CN206224267U - Heater and wind power generating set - Google Patents
Heater and wind power generating set Download PDFInfo
- Publication number
- CN206224267U CN206224267U CN201621328596.9U CN201621328596U CN206224267U CN 206224267 U CN206224267 U CN 206224267U CN 201621328596 U CN201621328596 U CN 201621328596U CN 206224267 U CN206224267 U CN 206224267U
- Authority
- CN
- China
- Prior art keywords
- casing
- air channel
- electrical heating
- heater
- air
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 82
- 238000007664 blowing Methods 0.000 claims abstract description 34
- 238000009413 insulation Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 5
- 238000010304 firing Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000010259 detection of temperature stimulus Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
Embodiment of the present utility model provides a kind of heater and wind power generating set.The heater includes：Casing, box house has the air channel for divulging information；Electrical heating portion and blowing portion, electrical heating portion and blowing portion are arranged in air channel, and electrical heating portion is located between blowing portion and the air outlet in air channel；Control unit, control unit is connected with electrical heating portion.Using the technical solution of the utility model, the hot blast for carrying heat can be blowed to equipment to be heated, the efficiency of heating surface is higher；And, the heater is convenient for carrying, the scope of application is wider.
Description
Technical field
The utility model is related to maintenance of machine technical field, more particularly to a kind of heater and wind power generating set.
Background technology
With wind power generating set continue to develop with popularization, the wind power plant under varying environment is developed, relatively low
Temperature, humidity higher, larger dust storm etc. can produce influence to the normal operation of wind power generating set, especially in wind-force
When the temperature of generating set local environment is relatively low, wind power generating set easily breaks down.For example, in cold or humid area, it is low
Warm environment causes that the hydraulic oil of hydraulic system runs viscosity greatly, causes hydraulic system characteristic to change, it is impossible to which stabilization is wind
Breaker in power generator group provides power, breaker then cannot normally adhesive, cause wind power generating set open circuit easily occur
The problem of device failure.
At present, solve the problems, such as that low temperature causes the technological means of circuit breaker failure mainly to include maintenance shut-downs and installs heating dress
Put.Wherein：
One, maintenance shut-downs are, in the case where wind power generating set is shut down, after the power-off of case low pressure side, breaker to be dismantled
And the hydraulic oil of hydraulic system is changed, and do corresponding maintenance treatment.This method has good specific aim, but needs more
Hydraulic oil is changed, increases cost；And maintenance process needs to shut down, and influences the generated energy of wind power generating set.
Two, it is to install heating, blowing device in the breaker end of wind power generating set to install heater, right in needs
When breaker is heated, heating is realized by blowing hot blast to circuit breaker external, reached with the running temperature for ensureing breaker
It is required that.This method needs to increase a set of heating blowing device, and only effective in winter, relatively costly.And, equipment is installed and received
Cabinet body structure where being formed on breaker, is not particularly suited for all wind power generating sets, and versatility is poor.
Therefore, cannot effectively solve the problems, such as that low temperature causes breaker easily to break down in the prior art.
Utility model content
Embodiment of the present utility model provides a kind of heater and wind power generating set, causes wind-force to be sent out to solve low temperature
The problem that the breaker of group of motors easily breaks down.
To reach above-mentioned purpose, embodiment of the present utility model provides a kind of heater, including：Casing, box house
With the air channel for divulging information；Electrical heating portion and blowing portion, electrical heating portion and blowing portion are arranged in air channel, and electrical heating portion is located at
Between blowing portion and the air outlet in air channel；Control unit, control unit is connected with electrical heating portion.
Further, heater also includes the temperature setting portion being arranged on casing, and TEMP is provided with air channel
Device；Control unit is connected with temperature setting portion and temperature sensor respectively, and according to the target temperature and temperature of temperature setting portion setting
The temperature control electrical heating portion of degree sensor detection.
Further, it is provided with grid in air channel and positioned at the downstream in electrical heating portion；And/or, in the air inlet in air channel
Place is provided with air filter.
Further, wind direction adjusting part is provided with the air outlet in air channel.
Further, wind direction adjusting part includes movable blade, and the governor motion for adjusting the direction of blade.
Further, the cross-sectional area edge in air channel is gradually increased by air inlet to the air outlet direction in air channel；And/or,
Thermal insulation layer is provided with the inwall in air channel, thermal insulation layer forms cross-sectional area along the air inlet by air channel to air outlet side in air channel
To gradually increased diversion air duct.
Further, display device is provided with casing, display device is connected with temperature sensor；And/or, set on casing
It is equipped with and power supply is provided with power interface or casing, power interface or power supply connects with electrical heating portion, blowing portion and control unit
Connect；And/or, fault reset device is provided with casing, fault reset device is connected with electrical heating portion；And/or, set on casing
There is overcurrent protective device, overcurrent protective device is connected with electrical heating portion.
Further, it is provided with handle on casing；And/or, running part is provided with casing.
Further, running part includes being arranged on multiple rollers of bottom half, is provided with for locking roller on roller
Locking mechanism.
According to another aspect of the present utility model, embodiment of the present utility model also provides a kind of wind power generating set, should
Wind power generating set includes the heater of any of the above-described.
The heater of embodiment of the present utility model, is arranged in air channel by by electrical heating portion and blowing portion, utilizes
Control unit control electrical heating portion carries out heating and produces heat, and the air-out in air channel is blown out by the hot blast that blowing portion will carry heat
Mouthful, can be heated after the air outlet of the heater is aligned into equipment to be heated, the efficiency of heating surface is higher；And, should add
Running part is provided with the casing of thermal, is convenient for carrying to various types of equipment to be heated, the scope of application is wider.
Brief description of the drawings
Fig. 1 is the surface structure schematic diagram of the heater of the utility model embodiment；
Fig. 2 is the internal structure schematic diagram of the heater of the utility model embodiment.
Description of reference numerals：
10th, casing；11st, handle；12nd, running part；121st, roller；122nd, locking mechanism；13rd, air channel；131st, air inlet；
132nd, air outlet；14th, thermal insulation layer；20th, electrical heating portion；30th, control unit；31st, temperature sensor；32nd, display device；40th, dry
Portion；50th, power interface；51st, switch；60th, grid；70th, wind direction adjusting part.
Specific embodiment
The heater and wind power generating set to the utility model embodiment are described in detail below in conjunction with the accompanying drawings.
Figures 1 and 2 show that the structural representation of the heater of the utility model embodiment, in the present embodiment, with this
Heater is used to be illustrated as a example by heating the breaker in wind power generating set, and those skilled in the art should be bright
, in actual applications, the heater can be also used for heating the equipment of other needs heating.
As depicted in figs. 1 and 2, according to embodiment of the present utility model, the heater of the present embodiment includes casing 10, electricity
Heating part 20, blowing portion 40 and control unit 30.Wherein, the inside of casing 10 has the air channel 13 for divulging information；The He of electrical heating portion 20
Blowing portion 40 is arranged in air channel 13, and electrical heating portion 20 is located between blowing portion 40 and the air outlet 132 in air channel 13；Control unit 30
It is connected with electrical heating portion 20.
In the heater, there is air channel 13 in casing 10, air channel 13 includes air inlet 131 and air outlet 132.Control
Portion 30 is used to control electrical heating portion 20 to be heated, and heat is produced in air channel 13.Blowing portion 40 is arranged in air channel 13 and is close to
The position of air inlet 131, for being dried towards electrical heating portion 20 in air channel 13, the heat for efficiently producing electrical heating portion 20
Blowout air channel 13.The air outlet 132 in air channel 13 is directed at the equipment for needing heating, the hot blast for blowing out air channel 13 can enter to equipment
Row heating, the efficiency of heating surface is higher.
In actual application, electrical heating portion 20 can use heating (such as PTC heatings), weight and size
It is smaller, and with preferable heating effect；Using small-sized fanses or small blower, (what is shown in Fig. 2 blows in blowing portion 40
Wind portion 40 is electric fan, is arranged at the air inlet 131 in the air channel 13 of casing 10 by mounting bracket), you can in air channel 13
Air outlet 132 at blow out hot blast.The size of casing 10 need to only be carried out accordingly according to the size in electrical heating portion 20 and blowing portion 40
Ground design, that is, the weight and size of casing 10 are smaller.Therefore, the heater simple structure, cost is relatively low, be it is a kind of just
Take formula heater.And, the heater has versatility higher, will not be limited by structure where equipment to be heated
System, is convenient for carrying and treats firing equipment into various types of mechanical structures and heated.
When by being heated to breaker in heater application to the wind power generating set, easily this can be added
Thermal is carried into wind power generating set.Air outlet (that is, the air outlet 132 in the air channel 13) alignment of casing 10 is to be added
After the breaker of heat, you can the control electrical heating of control unit 30 portion 20 is heated, and controls blowing portion 40 to blow, and is passed through
The heating to breaker is realized to breaker heat air delivery.Breaker is heated using the heater, can be disconnected
Road device needs heater directly efficiently to be heated, convenient to carry out heating maintenance work to breaker, to ensure wind-power electricity generation
The generated energy of unit, can efficiently solve the problem that low temperature causes breaker easily to break down.Relative to right in the prior art
The heating means of breaker, the heater can be heated to the breaker of polytype wind power generating set, be applicable
Property is higher, and cost is relatively low.
Preferably, the heater also includes the temperature setting portion being arranged on casing 10, for sets target temperature；And
And, be provided with temperature sensor 31 in the air channel 13 of casing 10, control unit 30 respectively with temperature setting portion and temperature sensor 31
Connection, and the temperature control electrical heating portion 20 detected according to the target temperature and temperature sensor 31 of temperature setting portion setting.
Specifically, when treating firing equipment using the heater and being heated, can be according to equipment to be heated just
Often the temperature of operation carrys out sets target temperature., equivalent to environment temperature, control unit 30 can for the temperature that temperature sensor 31 is detected
The heating power in electrical heating portion 20 is controlled with the difference of the temperature detected according to target temperature and temperature sensor 31.For example,
Control unit 30 can use PID temperature controller to realize the control to electrical heating portion 20, specifically can be by PID temperature controller
Receive the temperature adjustment signal of the sets target temperature that temperature setting portion sends, and the inspection for receiving the temperature of the detection of temperature sensor 31
Signal is surveyed, the target temperature according to setting calculates the heating power in electrical heating portion 20 with the difference of the temperature of detection automatically, and
Control signal is sent to electrical heating portion 20 to control the output of the heating power of electrical heating portion 20.
Alternatively, display device 32 is also provided with casing 10, display device 32 is connected with temperature sensor 31, is used
In the signal of the temperature for detecting for receiving the transmission of temperature sensor 31, and shown, to facilitate staff to check temperature
The environment temperature that sensor 31 is detected.
In the present embodiment, power interface 50 is provided with casing 10, power interface 50 connects with blowing portion 40 and control unit 30
Connect, for being powered to blowing portion 40 and control unit 30.For example, power interface 50 can be designed as receiving the power transmission line of 220V cables
AC power interface, or receive storage battery power supply dc source interface.Certainly, in other embodiments, it is also possible to
On the casing 10 or inside of casing 10 sets the power supplys such as battery, is directly powered to blowing portion 40 and control unit 30.
Additionally, being additionally provided with switch 51 on casing 10, switch 51 is connected to power interface 50 and electrical heating portion 20, blowing portion
40 and control unit 30 connection circuit in, conducting and disconnection for controlling the connection circuit.For example, 51, switch is arranged on case
Shift knob on body 10, after power interface 50 is connected with AC power, you can press shift knob to start the heating
Device；And stop the heater by pressing the shift knob again.More preferably, can be set in the shift knob
There is indicator lamp, it is whether in running order for indicating the heater.
In order to protect the safe operation and normal operation of the heater, the heater also include overcurrent protective device and
Fault reset device, overcurrent protective device and fault reset device can be connected with electrical heating portion 20.
Overcurrent protective device be used for detect electric current it is excessive when the electricity cut off the electricity supply between interface 50 and electrical heating portion 20
Power is connected, and improves the security of the heater.For example, overcurrent protective device is arranged in power interface 50, what is detected
When electric current exceedes setting value, the connection circuit cut off the electricity supply between interface 50 and electrical heating portion 20 controls the heater stop
Work.
Fault reset device be used for it is electrically connected between turn-on power interface 50 and electrical heating portion 20 after failture evacuation,
The heater is controlled to restart.
In a kind of feasible implementation method, above-mentioned control unit 30, temperature setting portion can be integrated with fault reset device
It is designed as the depressible knob on casing 10.When treating firing equipment using the heater and being heated, by rotation
Knob starts control unit 30, and temperature value according to pointed by the pointer on knob come sets target temperature；And, should excluding
After the failure that heater occurs, above-mentioned failure reset function is realized by pressing the knob.
Preferably, grid 60 is provided with the air channel 13 of the casing 10 of the heater, grid 60 is arranged in air channel 13
Positioned at the downstream in electrical heating portion 20.That is, grid 60 is arranged between the air outlet 132 in air channel 13 and electrical heating portion 20, blowing
The hot blast of the heat that the carrying electrical heating portion 20 of the blowout of portion 40 produces can successfully flow through grid 60.Grid 60 can ensure
Air channel 13 is divulged information in the case of smoothness, and electrical heating portion 20 is protected.
Preferably, it is provided with air filter (not shown) at the air inlet 131 in the air channel 13 of casing 10.Air
Filter is used to cross air filtering at air inlet 131, to avoid what is carried from the air in the inflow of air inlet 131 air channel 13
Impurity causes to damage to blowing portion 40 and electrical heating portion 20；Ensure to blow out pure hot blast in air channel 13 simultaneously, it is to avoid to be added
Hot equipment causes to damage.For example, air filter can be screen pack cotton.
Preferably, it is provided with wind direction adjusting part 70 at the air outlet 132 in the air channel 13 of casing 10.Wind direction adjusting part is used
In the air-out direction of adjustment air outlet 132, the hot blast for facilitating air outlet 132 to blow out is directed at equipment to be heated.
Specifically, wind direction adjusting part 70 includes movable blade, and the governor motion for adjusting the direction of blade.Such as
Shown in Fig. 2, multiple blades are abreast disposed at the air outlet 132 in air channel 13, by governor motion (not shown)
The direction of the multiple blades of regulation, it is possible to achieve the adjustment to the air-out direction of air outlet 132.In actual application scenarios, wind
Can be to adjusting part 70 but be not limited to shutter.
Preferably, it is provided with thermal insulation layer 14 on the inwall in the air channel 13 of casing 10.
Casing 10 is used to carry electrical heating portion 20 and the grade part of blowing portion 40, in order that casing 10 meets wanting for structural strength
Ask, the material of casing 10 is preferably generally metal material or the stronger plastics of structural strength.For example, the inner materials of casing 10
Can be 304 stainless steel plates, outside material can be the stainless steel plate of baking vanish.Thermal insulation layer 14 is set in casing 10, for case
Body 10 carries out flameproof protection, and isolation external electromagnetic interference, improves the reliability of casing 10, and improve the heater
Security.Specifically, thermal insulation layer 14 can be made up of the fireprotection layer of resistance to combustion on heat-protecting glass cotton and setting heat-protecting glass cotton.
More preferably, the thickness of thermal insulation layer 14 be preferably along by the air inlet 131 in air channel 13 to the direction of air outlet 132 gradually
Reduce, so that thermal insulation layer 14 forms cross-sectional area along the air inlet 131 by air channel 13 to the direction of air outlet 132 in air channel 13
The diversion air duct for gradually increasing, reduces air along the flow resistance by air inlet 131 to the direction of air outlet 132, to facilitate blowing portion
Air in air channel 13 is blowed to air outlet 132 by 40.Additionally, air channel 13 cross-sectional area along by air inlet to air outlet direction
In the case of gradually increased, that is to say, that when the structure in air channel 13 is diversion air duct, the thickness of thermal insulation layer 14 can be along by entering
Air port 131 to the direction of air outlet 132 keeps equal.
In the present embodiment, the bottom of casing 10 of the heater is provided with running part 12, is transportable heating device.In reality
In the application scenarios on border, running part 12 can include being arranged on multiple rollers 121 of the bottom of casing 10, for facilitating staff
The heater is moved by pushing or pull on casing 10.And, it is provided with each roller 121 for locking roller 121
Locking mechanism 122, for locking roller 121 when the heater is in running order, so as to fix the heater, makes
The heater is stably to equipment heat air delivery to be heated.For example, locking mechanism 122 is the buckle being arranged on roller 121.
Preferably, it is additionally provided with handle 11 on casing 10.Because the oeverall quality of the heater is lighter, staff can
To lift casing 10 by handle 11, easily the heater is carried to equipment to be heated.
It is as described above the heater of embodiment of the present utility model, the heater is a kind of small portable heating
Device, can easily carry into various types of Large Scale Mechanical Structures, and the air outlet alignment in air channel in casing 10 is to be added
Hot equipment, is heated using the electrical heating portion 20 of control unit 30, and efficiently produced electrical heating portion 20 by blowing portion 40
Heat blows to equipment to be heated, and the quick heating of firing equipment is treated in realization.
On this basis, embodiment of the present utility model also provides a kind of wind power generating set, in the wind power generating set
Heater including above-mentioned embodiment of the present utility model, the heater can be carried easily into unit, to unit
In each part quickly heated.For example, the heater can be when low temperature causes breaker to break down, to breaker
Heated, the hydraulic system of breaker is operated in normal temperature, so as to ensure that breaker being capable of normally adhesive, it is to avoid influence
The normal work of wind power generating set.
The heater of embodiment of the present utility model has the effect that：
The heater controls electrical heating portion to be heated by control unit, and will efficiently be taken using air channel and blowing portion
Hot blast with heat blows to equipment to be heated, it is possible to achieve treat the quick heating of firing equipment；
Running part and handle are provided with the casing of the heater, are convenient for carrying；And, each part of the heater
Lighter in weight, size are smaller, are a kind of small portable heaters, are not limited by structure residing for equipment to be heated, convenient
Carry to various types of equipment to be heated, it is applied widely；
The heater has the advantages that simple structure, safe and reliable, with low cost.
It may be noted that the need for according to implementation, all parts described in this application can be split as into more multi-part, also may be used
The part operation of two or more parts or part is combined into new part, to realize the purpose of this utility model.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with the power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of heater, it is characterised in that including：
Casing (10), has the air channel (13) for divulging information inside the casing (10)；
Electrical heating portion (20) and blowing portion (40), the electrical heating portion (20) and the blowing portion (40) are arranged on the air channel
(13) in, the electrical heating portion (20) is between the air outlet (132) of the blowing portion (40) and the air channel (13)；
Control unit (30), the control unit (30) is connected with the electrical heating portion (20).
2. heater according to claim 1, it is characterised in that the heater also includes being arranged on the casing
(10) temperature sensor (31) is provided with the temperature setting portion on, the air channel (13)；
The control unit (30) is connected with the temperature setting portion and the temperature sensor (31) respectively, and according to the temperature
The target temperature of configuration part setting and electrical heating portion (20) described in the temperature control of the temperature sensor (31) detection.
3. heater according to claim 1, it is characterised in that in the air channel (13) and positioned at the electrical heating
The downstream in portion (20) is provided with grid (60)；And/or,
Air inlet (131) place of the air channel (13) is provided with air filter.
4. heater according to claim 1, it is characterised in that set at air outlet (132) place of the air channel (13)
It is equipped with wind direction adjusting part (70).
5. heater according to claim 4, it is characterised in that the wind direction adjusting part (70) is including movable
Blade, and adjust the governor motion in the direction of the blade.
6. heater according to claim 1, it is characterised in that the cross-sectional area of the air channel (13) is along by the wind
The air inlet (131) in road (13) to air outlet (132) direction gradually increases；And/or,
Thermal insulation layer (14) is provided with the inwall of the air channel (13), the thermal insulation layer (14) is formed in the air channel (13)
Cross-sectional area is along the air inlet (131) by the air channel (13) to air outlet (132) direction gradually increased diversion air duct.
7. heater according to claim 2, it is characterised in that be provided with display device on the casing (10)
(32), the display device (32) is connected with the temperature sensor (31)；And/or,
It is provided with the casing (10) on power interface (50) or the casing (10) and is provided with power supply, the power interface
Or the power supply is connected with the electrical heating portion (20), the blowing portion (40) and the control unit (30) (50)；And/or,
Fault reset device is provided with the casing (10), the fault reset device is connected with the electrical heating portion (20)；
And/or,
Overcurrent protective device is provided with the casing (10), the overcurrent protective device is connected with the electrical heating portion (20).
8. heater according to any one of claim 1 to 7, it is characterised in that be provided with the casing (10)
Handle (11)；And/or,
Running part (12) is provided with the casing (10).
9. heater according to claim 8, it is characterised in that the running part (12) is including being arranged on the casing
(10) multiple rollers (121) of bottom, are provided with the locking mechanism for locking the roller (121) on the roller (121)
(122)。
10. a kind of wind power generating set, it is characterised in that the wind power generating set includes any one of claim 1 to 9 institute
The heater stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621328596.9U CN206224267U (en) | 2016-12-06 | 2016-12-06 | Heater and wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621328596.9U CN206224267U (en) | 2016-12-06 | 2016-12-06 | Heater and wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206224267U true CN206224267U (en) | 2017-06-06 |
Family
ID=58785443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621328596.9U Active CN206224267U (en) | 2016-12-06 | 2016-12-06 | Heater and wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206224267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168900A (en) * | 2020-01-20 | 2020-05-19 | 保定市巨龙微波能设备有限公司 | Prevent product from blowing structure inclined to one side under rubber strip curing equipment high wind speed |
-
2016
- 2016-12-06 CN CN201621328596.9U patent/CN206224267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168900A (en) * | 2020-01-20 | 2020-05-19 | 保定市巨龙微波能设备有限公司 | Prevent product from blowing structure inclined to one side under rubber strip curing equipment high wind speed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102928780B (en) | Step-in type motor load testing hot and damp box | |
| CN206347700U (en) | Electric heater protection device applied to air-conditioner control system | |
| CN107100803A (en) | Fan blade based on air heating is anti-icing, deicing system | |
| CN107829888B (en) | Partition type hot air blower heating wind generating set blade deicing method and system | |
| CN206224267U (en) | Heater and wind power generating set | |
| CN104218454A (en) | Air conditioning device of distribution room | |
| CN103884095B (en) | A kind of safety air-source water heater of Self-controlled | |
| CN205960439U (en) | Moistureproof dehumidification electric power cabinet | |
| CN104882837A (en) | Enclosed busbar micro-positive-pressure hot air maintenance apparatus | |
| KR20150036890A (en) | Freeze protection method for heat exchanger of gas water heater using heat ray | |
| CN203850670U (en) | Dehumidifying apparatus for distribution ring main unit | |
| CN101907334A (en) | Variable-frequency electromagnetic cold and warm air device | |
| CN107228483A (en) | A kind of air-heater control system and control method | |
| CN202068704U (en) | Heat radiation cooling apparatus for air conditioner outdoor unit electric control box | |
| CN109661153A (en) | A kind of electrical equipment local pyrexia point heat radiating device special | |
| CN204668874U (en) | Micro-positive pressure of enclosed busbar hot-air maintenance device | |
| CN104676802A (en) | System for supplying indoor humidity and control method thereof | |
| CN104950964A (en) | Ventilation and dehumidification type switch cabinet | |
| CN204216448U (en) | A kind of power distribution cabinet with heat abstractor | |
| CN205846516U (en) | A kind of pit furnace chilly formula Electric Appliance Cabinet | |
| CN205316693U (en) | Electromagnetism hot water compensator | |
| CN103612046B (en) | Electricity generation and electric welding unit | |
| CN102999040A (en) | Control platform for heat test on full-power operation of power unit of power electronic equipment and application method of control platform | |
| CN201787686U (en) | Variable frequency electromagnetic air conditioning device | |
| CN209840302U (en) | Corridor dehumidification system of water turbine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |