CN205776099U - A kind of novel antifreeze deicer of spillway gate - Google Patents
A kind of novel antifreeze deicer of spillway gate Download PDFInfo
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- CN205776099U CN205776099U CN201620631918.0U CN201620631918U CN205776099U CN 205776099 U CN205776099 U CN 205776099U CN 201620631918 U CN201620631918 U CN 201620631918U CN 205776099 U CN205776099 U CN 205776099U
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- immersible pump
- sparge pipe
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- pipe
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Abstract
This utility model discloses a kind of novel antifreeze deicer of spillway gate, including: controller, icing detector, immersible pump, automatic check valve, connecting water pipe, sparge pipe, buoyant device and suspension cable fixing device, icing detector is arranged on the device water surface that snorkels, immersible pump is arranged on the underwater in the device waters that snorkels, immersible pump is connected with controller respectively with icing detector, and is read current state information by controller；Connecting water pipe is connected between immersible pump and sparge pipe, is connected together with sparge pipe by immersible pump, and the water that sparge pipe utilizes immersible pump extraction to come up stirs water body at the water surface；Sparge pipe links together with buoyant device, makes sparge pipe follow SEA LEVEL VARIATION and swims in the water surface all the time, and sparge pipe and buoyant device are fixed in setting regions by suspension cable fixing device.
Description
Technical field
This utility model relates to field, power station, in particular to a kind of novel antifreeze deicer of spillway gate.
Background technology
In recent years, the construction of hydropower stations of China achieves huge achievement.But in the construction in power station, spillway gate
Antifreeze deicing is one of emphasis of extremely frigid zones hydroelectric station design, the ice formation issues of extremely frigid zones spillway in winter gate, seriously
Affect the properly functioning of key water control project.In extremely frigid zones ice period, before floodgate, ice layer thickness can reach at 1～2 meter, winter
The shearing force when bulbs of pressure of ice sheet generation and SEA LEVEL VARIATION can produce stress rupture to gate, the most easily makes
Gate and gate pier produce permanent destruction.At present extremely frigid zones power station many employings man_made ice cover fluting method, compressed air bubble proof,
Press water fluid jet, gate flap electrothermal way ensure that floodgate is survived the winter.
Man_made ice cover fluting method is manually to slot at ice sheet, needs to reach certain thickness at ice sheet, can carry personnel
At ice work, just start ice sheet is processed, be therefore to eliminate at ice-bound initial stage ice sheet to the stress influence of gate
, simultaneously in defrosting early stage, protection can not be provided equally.It addition, take manually to open ice, personnel needed in whole every day freezeup period
Wanting the repeatability work of big intensity, under the conditions of extremely cold, the icing amount of every day is very big, and cost of labor rises year by year simultaneously, personnel
Potential safety hazard is bigger.
Compressed air bubble proof is to use air compressor and lay air compression pipeline to underwater 2～5 meters, blowing nozzle distance
Gate flap is more than 3 meters.Compressed air is utilized to form convection environment between different temperatures water layer, the bubble disturbance water surface constantly risen,
Reach the effect preventing freezing.In order to adapt to being continually changing of water level, it is ensured that nozzle and the distance of the water surface, pipe design is complicated,
Device therefor is more, and system maintenance expense is bigger.
Press water fluid jet principle is that water of a relatively high for submarine temperatures is passed through immersible pump and pipeline pressurized jet at lock
In front of the door, stir water body by current, a non-icing region can be formed before gate.The method is reliable, deicing is antifreeze
Effective, consume energy relatively low.But, controller uses PLC mostly, and programming is complicated, and circuit arranges complexity, is difficult to extension, is
System poor universality, automaticity is low, can promote difficulty big, and system maintenance is complicated.
Gate flap electrothermal way uses electrothermal tube, heating cable or electric hot plate, and threephase load distribution is equal, is uniformly distributed in gate flap
In the middle of structure, gate flap downstream face all uses warming plate to seal, and passes through electrical heating so that before gate, water temperature is more than freezing point.
The method economy is relatively low, consumes energy bigger.
Utility model content
This utility model provides a kind of novel antifreeze deicer of spillway gate, in order to overcome present in prior art
At least one problem.
For reaching above-mentioned purpose, this utility model provides a kind of novel antifreeze deicer of spillway gate, including: control
Device processed, icing detector, immersible pump, automatic check valve, connecting water pipe, sparge pipe, buoyant device and suspension cable fixing device, its
In:
Described icing detector and described immersible pump are arranged on the device waters that snorkels, and described immersible pump is arranged on the device that snorkels
The underwater in waters, and read current state information by described controller；Described connecting water pipe is connected to described immersible pump and institute
Stating between sparge pipe, connected together with described sparge pipe by described immersible pump, described sparge pipe utilizes described immersible pump to extract
The water come up stirs water body at the water surface；Described sparge pipe links together with described buoyant device, makes described sparge pipe follow water
Position change swims in the water surface all the time, and described sparge pipe and described buoyant device are fixed on setting regions by described suspension cable fixing device
In.
Further, described immersible pump is provided with two, and two described immersible pump alternations, on each described immersible pump
It is provided with automatic check valve, prevents the Water Damage flow backwards during the immersible pump work of work at present from shutting down the blade of immersible pump.
Further, described controller includes that control module, manual/auto selection switch, display screen and keyboard, CAN are total
Line, air switch, startup/stop key, submersible pump protector and A.C. contactor, wherein, described manual/auto selection is opened
Close, described display screen and keyboard, described CAN, described A.C. contactor and described submersible pump protector respectively with described control
Molding block is connected, and described submersible pump protector is connected with described A.C. contactor, described air switch the most respectively.
Further, described icing detector includes processor, Power Line Carrier Communication Module, temperature sensor, bias
Motor, 3-axis acceleration sensor and power module, wherein, described Power Line Carrier Communication Module, described temperature sensor, institute
State eccentric motor, described 3-axis acceleration sensor is connected with described processor respectively with described power module.
Further, described buoyant device uses pipeline keg float to be bolted on described sparge pipe, makes described spray
Water pipe swims in the water surface, and the length that the nozzle on described sparge pipe surfaces is in set point.
Further, described suspension cable fixing device includes that pull-cord and clump, described pull-cord one end are fixed on
On bridge floor, the other end is fixed on clump, during use, is first put in water by clump, then the D type safety at sparge pipe two ends
Pin is opened, and is inserted in by pull-cord in D type safety pin, and locked secure pin can normally use.
The beneficial effects of the utility model are that Sensor section is installed in device interior, can neglect equipment surface thin
The existence of ice, accuracy of measurement is greatly improved, and installs simple, easily realizes, and cost is relatively low.
Icing detector casing, turnover cable terminal and cable all use classification of waterproof IP68 and low temperature resistant standard system
Make, can use at low temperature and water float for a long time.Utilize power line carrier technology and controller communication, decrease order wire
The installation on road, owing to equipment moves along with the change of water level, the minimizing of cable greatly reduces construction volume, simplifies and installed
Journey, is more easy to promote realizing.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the novel spillway gate antifreeze deicer schematic diagram of one embodiment of this utility model；
Fig. 2 is the novel spillway gate antifreeze deicer top view of one embodiment of this utility model；
Fig. 3 is the controller module schematic diagram of one embodiment of this utility model；
Fig. 4 is the icing detector schematic diagram of one embodiment of this utility model；
Fig. 5 is the sparge pipe profile of one embodiment of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under paying creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Fig. 1 is the novel spillway gate antifreeze deicer schematic diagram of one embodiment of this utility model；Fig. 2 is this reality
With the novel spillway gate antifreeze deicer top view of a novel embodiment；In figure, 101 is controller, and 102 for controlling
Cable, 103 is suspension cable fixing device, and 104 is connecting water pipe, and 105 is buoyant device, and 106 is automatic check valve, and 107 is diving
Pump, 108 is bridge pier, and 109 is sparge pipe, and 110 is gate, and 111 is bridge floor, and 112 is icing detector；Overflow as it can be seen, novel
The flood road antifreeze deicer of gate according to press water fluid jet principle exclusively for spillway gate properly functioning design in winter
A Novel anti-freezing deicer.The novel antifreeze deicer of spillway gate include controller, icing detector, immersible pump,
Automatic check valve, connecting water pipe, sparge pipe, buoyant device, suspension cable fixing device.
Controller completes immersible pump and the monitoring of icing detector, manages and report to the police, and is that novel spillway gate is antifreeze
The core composition of deicer.The effect of icing detector is to detect whether the device Its Adjacent Waters that snorkels freezes, and to controller
Send the status information currently whether frozen.The effect of immersible pump is the water that extraction submarine temperatures is higher, and two can be used to dive
Water pump alternation, it is ensured that run without interruption.The Water Damage flow backwards when automatic check valve is to prevent current immersible pump from working is shut down
The blade of immersible pump.Immersible pump is connected together by connecting water pipe with sparge pipe.The water that immersible pump extraction comes up is existed by sparge pipe
Water surface agitation water body.Buoyant device makes sparge pipe follow SEA LEVEL VARIATION and swims in the water surface all the time.Suspension cable fixing device makes sparge pipe
Always work in certain area with buoyant device.
Hereinafter each ingredient of the novel antifreeze deicer of spillway gate is introduced respectively.
(1) controller
Controller is the core composition of the novel antifreeze deicer of spillway gate, completes immersible pump and icing detector
Monitoring, manage and report to the police, and with the group-net communication of remote terminal.Controller two immersible pump alternations of operation, to ensure
The non-stop run of immersible pump, and monitor immersible pump running status and water surface icing condition, in order to send when breaking down
Warning message, and be in communication with each other with remote terminal.
Fig. 3 is the controller module schematic diagram of an embodiment；In figure, 201 is control module, and 202 is manual/auto choosing
Selecting switch, 203 is EBI, and 204 is air switch, and 205 is submersible pump protector, and 206 for starting/stopping key, and 207 are
A.C. contactor, 208 is display and keyboard.As it can be seen, controller comprises control module, manual/auto selection switch, shows
Display screen & keyboard, CAN, air switch, startup/stop key, submersible pump protector, A.C. contactor.Control module
CPU selects the STM32F103 of ST Microelectronics as processor.Manual/auto selection switch be mode of operation select by
Button, by user's control, optional manual mode or automatic mode.Display screen & Keysheet module is used for checking data and duty,
Keyboard coordinates display screen can revise the relevant parameter of controller.CAN interface is for the CAN networking with other equipment
Communication.Air switch i.e. can be by user operation, device power supply (DPS) in hand off control chamber, it is also possible to electrically set in control chamber
For protecting.Start/stop key work in a manual mode, by the opening of user's manual operation immersible pump, stopped status.Latent
, for comprehensively protecting to motor for submerged pump, there is overload, phase shortage, stall, short circuit, mistake at motor for submerged pump in water pump protector
When pressure, under-voltage, electric leakage, three-phase imbalance, overheated, bearing wear, the device reported to the police and protect.A.C. contactor is a kind of
Middle controlling element, its advantage is can switching circuit frequently, in order to control module can control the startup of immersible pump and stop
Only.
Owing to LCDs processing technology limits, LCDs cannot be operated in subzero 20 DEG C and temperature below and tide
Wet working environment.In order to ensure that controller can be mounted with an electric cabinet dehumidifying with normal operating, operation winter in controller
Anti-condensation heater, it is ensured that controller can be with safe overwintering.
(2) icing detector
Whether icing detector freezes for the detection device Its Adjacent Waters that snorkels.As shown in Figure 4, icing detector comprises place
Reason device 301, Power Line Carrier Communication Module 306, temperature sensor 302, eccentric motor 305,3-axis acceleration sensor 303 and
Power module 304.Processor selects the STM32F103 of ST Microelectronics as processor.Power Line Carrier Communication Module
Utilize power line as communication line, carry out data communication with controller.Temperature sensor measurement icing detector position
Water surface temperature.3-axis acceleration sensor measures the swinging strength of icing detector casing.The effect of eccentric motor is when surveying
Swinging strength data relatively low time, start eccentric motor, increase swinging strength by force.Power module provides reliable and stable electricity
Source.
(3) plant equipment snorkels part
Plant equipment snorkels and is partly made up of buoyant device, suspension cable fixing device.
Buoyant device uses pipeline keg float to be bolted on sparge pipe, makes sparge pipe just swim in the water surface, spray
Nozzle on water pipe just surfaces as optimum state.
Suspension cable fixing device is made up of pull-cord and clump.Pull-cord one end is fixed on bridge floor, and the other end is solid
It is scheduled on clump.During use, first clump is put in water, then the D type safety pin at sparge pipe two ends is opened, by tracting cable
Rope sling enters in D type safety pin, and locking safety pin can normally use.When the fraction floats that snorkels is at the water surface, can be along traction
The direction of hawser moves up and down, without producing bigger skew.The weight of clump should be heavier, makes buoyant device at the work of current
Bigger skew cannot be produced under Yong Li.
(4) water system all presses current-sharing
Water system all presses current-sharing to be made up of immersible pump, automatic check valve, connecting water pipe and sparge pipe.The immersible pump extraction water surface
The water that lower temperature is higher, is pressurizeed via connecting water pipe by water pump, goes out from the nozzles spray of sparge pipe, manufactures spring at the water surface
Effect.Automatic check valve coordinates immersible pump to use the Water Damage flow backwards when preventing another one pump working to shut down the leaf of immersible pump
Sheet.
Fig. 5 is the sparge pipe profile of an embodiment.Sparge pipe uses segment design, Flange joint, sets at interval of 1 meter
Putting one group of nozzle, often group nozzle comprises three nozzles, and position is as it is shown in figure 5, be arranged above a nozzle, and 45 °, left and right respectively sets
Put one.
Block diagram illustrating operation principle of the present utility model and advantage below in conjunction with Fig. 1-Fig. 5:
(1) controller
Controller is the core composition of the novel antifreeze deicer of spillway gate, completes immersible pump and icing detector
Monitoring, manage and report to the police, and with the group-net communication of remote terminal.Controller two immersible pump alternations of operation, to ensure
The non-stop run of immersible pump, and monitor immersible pump running status and water surface icing condition, in order to send when breaking down
Warning message, and be in communication with each other with remote terminal.
Controller powerful, can realize data monitoring, logic control, fault alarm and group-net communication function simultaneously；
Easy to maintenance, use modularized design, every immersible pump independently controls, it is simple to safeguard；Can remotely located running parameter, check work
Make state；Storage function, record water pump operation time and the number of stoppages；Control function, support Non-follow control, automatically control, far
The start and stop of process control water pump, control model is changeable；Man machine interface, with LCDs and keyboard, can show and revise
Monitoring Data and relevant device running status；Communication function, supports the communication modes such as CAN, optical fiber, power line carrier；Report
Alert function, when the situation such as immersible pump fault, water surface icing occurs, report and alarm information immediately.
(2) icing detector
The effect of icing detector is whether detection water surface exists ice condition, coordinates deicing controller to use, side
Just user checks current water surface situation.The measuring principle of icing detector is that the icing utilizing the water level fluctuation not frozen to cause is visited
Survey device casing rock and water surface temperature is to judge whether the current water surface exists icing condition.With one inside icing detector
Individual 3-axis acceleration sensor monitoring casing swinging strength, when the intensity recorded is less than setting value, starts at the bottom of icing detector
Portion's eccentric motor, increases the swinging strength of icing detector casing, by force if the swinging strength now detected is still less than setting
Value, illustrate that icing detector is freezed cannot swing by ice sheet, and currently record temperature when being subzero, now assert to measure and puts
Water surface situation is icing condition.
The mode that detection freezes at present mainly has two kinds, and one is to measure temperature；Another kind is to use the special sensing that freezes
Device is measured.Utilizing temperature to judge icing condition, accuracy is relatively low, and the freezing sensor of commercial type can only Measuring Object table
Face ice condition.Owing to icing detector swims on the water surface, water jet the surge formed can be patted in equipment surface, therefore
Swimming in the equipment surface of water surface above section, it is possible to create one layer of thin ice, freezing sensor thinks that this situation is icing shape
State, institute the most all cannot measure water surface icing condition accurately.And the benefit of the design is Sensor section all pacifies
Being contained in device interior, can neglect the existence of equipment surface thin ice, accuracy of measurement is greatly improved, and installs simple, holds
Easily realizing, cost is relatively low.
Icing detector casing, turnover cable terminal and cable all use classification of waterproof IP68 and low temperature resistant standard system
Make, can use at low temperature and water float for a long time.Utilize power line carrier technology and controller communication, decrease order wire
The installation on road, owing to equipment moves along with the change of water level, the minimizing of cable greatly reduces construction volume, simplifies and installed
Journey, is more easy to promote realizing.
(3) plant equipment snorkels part
Plant equipment snorkels and is partly made up of buoyant device, suspension cable fixing device.
Buoyant device uses pipeline keg float to be bolted on sparge pipe, utilizes the buoyancy of pipeline keg float, makes water spray
Canal float is on the water surface.The advantage of pipeline keg float is that type kind is many can be selected according to practical situation, it is ensured that sparge pipe is at water
Upper floating；The appearance color of salmon pink can be as warning mark, it is simple to observe, easy-to-look-up；Simple installation, shortens construction work
Phase；Reduce maintenance cost.
Suspension cable fixing device is made up of pull-cord and clump.Bridge floor select correct position utilize pull-cord to hang
Hanging clump, utilize the direction principle the most straight down of gravity, pull-cord is perpendicular to the water surface all the time, is equivalent to one and stablizes
Vertical track, the device that snorkels is followed SEA LEVEL VARIATION and is moved up and down, and remains at same water surface site.The benefit of this design
It is simple installation, it is achieved easily, cost of manufacture is low.
(4) water system all presses current-sharing
Water system all presses current-sharing to be made up of immersible pump, automatic check valve, connecting water pipe and sparge pipe.
Immersible pump uses oil immersion type electric underwater pump, and its feature is that motor internal is full of machinery oil, makes the work of mechanical seal
Making improvement of terms, extraneous water is less susceptible to enter motor interior.The heat of motor interior is conducted out rapidly by fluid, cold
But effect is preferable, makes the temperature rise of motor significantly decline, thus adds the overload capacity of submersible pump.It addition, oil immersed type
The bearing of submersible pump is immersed in fluid and works, and lubricates and is guaranteed with cooling, so bearing life diving than other pattern
Water power pump to be grown, in hgher efficiency.
Automatic check valve uses butterfly swing check valve, and its effect is only to allow medium to flow to a direction, stops opposite direction
Flowing.Usual this valve is work automatically, and under the fluid pressure effect of a direction flowing, flap is opened；Fluid is anti-
During the flowing of direction, fluid pressure and flap act on valve seat from coincidence flap, thus cut off flowing.Its advantage is anti-non-return
Stream, when fault of water pump or another pump working, the water in connecting water pipe will produce backflow.This backflow can reversely promote
Rotor, keeps small thrust on thrust bearing of submersible motor simultaneously, until rotor stops operating, this can cause motor thrust
Bearing too much weares and teares, and reduces motor service life；Preventing the generation of water hammer, when water pump stops, the action of gravity of water column can form water
Hit.The thrust bearing of motor and water pump can be caused damage by conveying tube damage impeller by this water attack.
Sparge pipe uses sectional design, uses Flange joint.The benefit of this design is to be simple to manufacture, simple installation,
Reducing processing and cost of transportation, the angle that nozzle is arranged can expand spray area, increases territory, ice free.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, module in accompanying drawing or
Flow process is not necessarily implemented necessary to this utility model.
One of ordinary skill in the art will appreciate that: the module in device in embodiment can describe according to embodiment divides
It is distributed in the device of embodiment, it is also possible to carry out respective change and be disposed other than in one or more devices of the present embodiment.On
The module stating embodiment can merge into a module, it is also possible to is further split into multiple submodule.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；
Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that:
Technical scheme described in previous embodiment still can be modified by it, or is equal to wherein portion of techniques feature
Replace；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model embodiment technical scheme
Spirit and scope.
Claims (6)
1. the novel antifreeze deicer of spillway gate, it is characterised in that including: controller, icing detector, diving
Pump, automatic check valve, connecting water pipe, sparge pipe, buoyant device and suspension cable fixing device, wherein:
Described icing detector and described immersible pump are arranged on the device waters that snorkels, and described immersible pump is arranged on the device waters that snorkels
Underwater, and by described controller read current state information；Described connecting water pipe is connected to described immersible pump and described spray
Between water pipe, being connected together with described sparge pipe by described immersible pump, described sparge pipe utilizes the extraction of described immersible pump to come up
Water stir water body at the water surface；Described sparge pipe links together with described buoyant device, makes described sparge pipe follow water level and becomes
Changing and swim in the water surface all the time, described sparge pipe and described buoyant device are fixed in setting regions by described suspension cable fixing device.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that described immersible pump is arranged
There are two, two described immersible pump alternations, each described immersible pump is provided with automatic check valve, prevents work at present
The Water Damage flow backwards during immersible pump work shuts down the blade of immersible pump.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that described controller includes
Control module, manual/auto selection switch, display screen and keyboard, CAN, air switch, startup/stop key, immersible pump
Protector and A.C. contactor, wherein, described manual/auto selection switch, described display screen and keyboard, described CAN, institute
Stating A.C. contactor to be connected with described control module respectively with described submersible pump protector, described submersible pump protector is also distinguished
It is connected with described A.C. contactor, described air switch.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that described icing detector
Including processor, Power Line Carrier Communication Module, temperature sensor, eccentric motor, 3-axis acceleration sensor and power module,
Wherein, described Power Line Carrier Communication Module, described temperature sensor, described eccentric motor, described 3-axis acceleration sensor
It is connected with described processor respectively with described power module.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that described buoyant device is adopted
It is bolted on described sparge pipe with pipeline keg float, makes described sparge pipe swim in the water surface, the spray on described sparge pipe
The length that mouth surfaces is in set point.
The novel antifreeze deicer of spillway gate the most according to claim 1, it is characterised in that the fixing dress of described suspension cable
Putting and include pull-cord and clump, described pull-cord one end is fixed on bridge floor, and the other end is fixed on clump, uses
Time, first clump is put in water, then the D type safety pin at sparge pipe two ends is opened, pull-cord is inserted in D type safety pin
In, locked secure pin can normally use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631918.0U CN205776099U (en) | 2016-06-23 | 2016-06-23 | A kind of novel antifreeze deicer of spillway gate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620631918.0U CN205776099U (en) | 2016-06-23 | 2016-06-23 | A kind of novel antifreeze deicer of spillway gate |
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| CN205776099U true CN205776099U (en) | 2016-12-07 |
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| CN201620631918.0U Expired - Fee Related CN205776099U (en) | 2016-06-23 | 2016-06-23 | A kind of novel antifreeze deicer of spillway gate |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951684A (en) * | 2016-06-23 | 2016-09-21 | 哈尔滨今星微电子科技有限公司 | Novel antifreezing and deicing device for spillway gate |
| CN110106824A (en) * | 2019-04-25 | 2019-08-09 | 内蒙古自治区水利水电勘测设计院 | A kind of automatic inflating floating body gas shield dam anti-freezing for gate device |
| CN111894081A (en) * | 2020-07-30 | 2020-11-06 | 中国人民解放军31666部队 | High-cold area well water anti-freezing device utilizing high-pressure gas interference |
| CN113863230A (en) * | 2021-09-30 | 2021-12-31 | 黄河勘测规划设计研究院有限公司 | Novel anti-freezing landscape gate |
| CN114427923A (en) * | 2020-10-15 | 2022-05-03 | 兰州大学 | System, method, device and server for monitoring icing state of inland water area |
-
2016
- 2016-06-23 CN CN201620631918.0U patent/CN205776099U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951684A (en) * | 2016-06-23 | 2016-09-21 | 哈尔滨今星微电子科技有限公司 | Novel antifreezing and deicing device for spillway gate |
| CN105951684B (en) * | 2016-06-23 | 2018-03-13 | 哈尔滨今星微电子科技有限公司 | A kind of antifreeze deicer of spillway gate |
| CN110106824A (en) * | 2019-04-25 | 2019-08-09 | 内蒙古自治区水利水电勘测设计院 | A kind of automatic inflating floating body gas shield dam anti-freezing for gate device |
| CN110106824B (en) * | 2019-04-25 | 2020-11-10 | 内蒙古自治区水利水电勘测设计院 | Automatic fill anti-freezing device of air supporting body gas shield dam gate |
| CN111894081A (en) * | 2020-07-30 | 2020-11-06 | 中国人民解放军31666部队 | High-cold area well water anti-freezing device utilizing high-pressure gas interference |
| CN114427923A (en) * | 2020-10-15 | 2022-05-03 | 兰州大学 | System, method, device and server for monitoring icing state of inland water area |
| CN113863230A (en) * | 2021-09-30 | 2021-12-31 | 黄河勘测规划设计研究院有限公司 | Novel anti-freezing landscape gate |
| CN113863230B (en) * | 2021-09-30 | 2023-02-24 | 黄河勘测规划设计研究院有限公司 | Anti-freezing landscape gate |
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