CN211917733U - Device for automatically switching heating modes of movable duct type blade die - Google Patents
Device for automatically switching heating modes of movable duct type blade die Download PDFInfo
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- CN211917733U CN211917733U CN201922324535.5U CN201922324535U CN211917733U CN 211917733 U CN211917733 U CN 211917733U CN 201922324535 U CN201922324535 U CN 201922324535U CN 211917733 U CN211917733 U CN 211917733U
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- blast gate
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Abstract
The utility model discloses a device that is used for automatic switch-over heating mode of portable pipeline formula blade mould, it includes: install the air outlet in steelframe top in proper order, go out the air-out pipeline, the heating cabinet, the air-blower, the blast gate, intake stack and air intake, the blast gate in be equipped with the blast gate executor, the blast gate executor passes through the PLC circuit and links to each other with host computer industrial computer, the air-out pipeline in be equipped with temperature switch and air outlet sensor, the intake stack in be equipped with axial fan and air intake sensor, root reduction heat dissipation when the device helps the mould heating increases the intensification efficiency, accomplishes and gives the inside rapid cooling of blade after the solidification, reduces latency, has promoted operating mass and efficiency.
Description
Technical Field
The utility model relates to a wind turbine blade mould field specifically is a device that is used for automatic switch-over heating mode of portable pipeline formula blade mould.
Background
Wind energy is increasingly gaining attention as a clean renewable energy source in all countries of the world. The energy storage capacity is huge, the global wind energy is about 2.74 multiplied by 109MW, and the available wind energy is 2 multiplied by 107MW which is 10 times larger than the total amount of water energy which can be developed and utilized on the earth. Wind is utilized by people for a long time, mainly water pumping, surface grinding and the like are realized through windmills, people are interested in how to utilize wind to generate electricity at present, and the principle of wind power generation is that wind power is utilized to drive blades of the windmills to rotate, and then the rotating speed is increased through a speed increaser to promote a generator to generate electricity. According to the current wind power generation technology, the power generation can be started at a breeze speed of about three meters per second. Wind power generation is forming a hot tide in the world because it has no fuel problems and does not produce radiation or air pollution.
With the rapid development of the state on clean energy, the wind power industry is rapidly developed, the megawatt level of the wind power blade is larger and larger, the length of the wind power blade is from forty meters to eighty meters, and therefore when the blade mold is manufactured, the hoisting cost is high, and the operation process is complicated.
The wind turbine blade is formed by combining two half blades, the heating space of the root part of the die is large during heating and curing, the temperature is slowly increased, and the heat requirement is high. The heat dissipation of the blades is slow after the heating is finished.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to solve the not enough of prior art, a device that is used for automatic switch-over heating mode of portable pipeline formula blade mould, root reduces the heat dissipation when the device help mould heating, increases intensification efficiency, accomplishes and gives the inside rapid cooling of blade after the solidification, reduces latency, has promoted operating mass with rated load and efficiency.
The technical scheme is as follows: in order to achieve the above object, the present invention provides an apparatus for automatically switching a heating mode of a movable duct type blade mold, comprising: the air outlet of installing in proper order in steelframe top, air-out pipeline, heating cabinet, air-blower, blast gate, intake stack and air intake, the blast gate in be equipped with the blast gate executor, the blast gate executor passes through the PLC circuit and links to each other with upper computer industrial computer, the air-out pipeline in be equipped with temperature switch and air outlet sensor, the intake stack in be equipped with axial fan and air intake sensor.
As a further preference of the utility model, the air outlet sensor be air outlet temperature sensor, installation temperature sensor is the actual temperature who is used for surveying the air-out, installation sensor is used for guaranteeing that automatic disconnection heating pipe power under the temperature is higher than the limited temperature condition, protection heater safety.
As a further preferred aspect of the present invention, the air intake sensor is an air intake sensor.
As a further preferred, the heating pipe work that is equipped with through PLC circuit control heating cabinet inside.
As the utility model discloses a further preferred, the below of steelframe be equipped with the universal wheel, make the device realize portable mode, do not occupy working space.
As a further preferred aspect of the present invention, the blower is a centrifugal blower.
As a further preferred aspect of the present invention, the temperature switch, the air outlet sensor, the axial flow fan and the air inlet sensor are connected to the PLC circuit respectively.
The control loop connected with the PLC circuit mainly comprises: host computer industrial computer, three-phase control relay, temperature sensor, temperature switch, blast gate executor, model and relevant effect as follows:
PLC: siemens CPU 1214C DC/DC/DC;
the Siemens input and output module SM 1223DI8/DQ8 x 24 VDC;
a Siemens analog quantity input module SM 1231AI4 x TC;
CPU processing program, the input point receives the feedback of electrical element, the output point controls the executive element such as air valve actuator, heating pipe;
the upper computer industrial computer is used for setting the heating target temperature, the heating time, the cooling temperature and the cooling time required by the PLC through computer software and monitoring the running condition of the equipment in real time;
overvoltage and undervoltage monitoring, phase sequence detection and phase fault monitoring are carried out on the three-phase control relay;
the temperature sensor is matched with the Siemens analog quantity input module to read the temperature of the return air inlet of the air outlet in real time and display the temperature on a computer software interface;
the temperature switch automatically cuts off the heating power supply when the temperature in the heating box exceeds the given point temperature of the temperature switch;
when the upper computer selects a heating mode, whether the air valve is at the 0-degree position is confirmed through a feedback point of an air valve A point, if the air valve is not in the position, the PLC controls the intermediate relay 1 to be powered on to provide power for a motor of the air valve actuator, and when the feedback point of the air valve A point is determined to be in the position, the intermediate relay 1 stops working, and the air valve reaches the 0-degree position. When the upper computer selects a cooling mode, whether the air valve is at a 90-degree position or not is confirmed through a feedback point of an air valve B point, if the air valve is not in the position, the PLC controls the intermediate relay 2 to be powered on to provide power for the motor of the air valve actuator, and when the feedback point of the air valve B point is confirmed to be in the position, the intermediate relay 2 stops working, and the air valve reaches the 90-degree position.
Principle of operation
When the industrial computer software interface selects heating, the air valve actuator starts a heating working mode, the equipment works in an internal circulation mode, the centrifugal blower pumps cold air above the interior of the mold and heats the cold air through the heating pipe, and the equipment conveys hot air to the interior of the mold according to the heating target temperature and the heating time input on the industrial computer software;
after the heating time meeting the requirement, the PLC controls the air valve actuator to be automatically switched to a cold air mode, the equipment works in an external circulation mode, the centrifugal blower extracts external air to supply air to the interior of the mold, the axial flow fan extracts hot air above the mold and discharges the mold, and after the cooling requirement meeting the requirement, the equipment automatically stops.
Has the advantages that: a device that is used for automatic switch-over heating mode of portable pipeline formula blade mould, compare with prior art, have following advantage:
(1) the hot air heating temperature and the heating time can be controlled, the intelligent degree is high, and the operation is simple;
(1) the internal air is heated circularly, so that the efficiency is high;
(1) the cold air is automatically switched to continue working, the cooling time is automatically stopped, and the manual operation and the waiting time are reduced;
(1) the air is extracted from the outside to dissipate heat, so that the efficiency is high;
(1) the whole operation process is controllable in the whole process of the industrial computer software interface;
(1) the movable support does not occupy working space.
Drawings
FIG. 1 is a schematic structural view of the present invention during heating;
FIG. 2 is a schematic view of the structure of the present invention during cooling;
fig. 3 is a schematic diagram of an automatic conversion process.
Detailed Description
The invention will be further elucidated with reference to the drawings.
As shown in the accompanying drawings, the present invention provides an apparatus for automatically switching heating modes of a movable duct type blade mold, which comprises: the air outlet 1, the air outlet pipeline 2, the temperature switch 21, the air outlet sensor 22, the heating box 3, the air blower 4, the air valve 5, the air valve actuator, the air inlet pipeline 6, the axial flow fan 61, the air inlet sensor 62 and the air inlet 7, wherein the air valve actuator is connected with an upper computer industrial computer through a PLC circuit.
Examples
Use the utility model discloses need hot-blast during operation, including 5 switches of blast gate, centrifugal blower 4 takes out to heating cabinet 3 through air intake 7 and intake stack 6 to the inside wind of mould after getting into centrifugal blower 1, and the effective PLC control solid state relay control power supply of heating cabinet 3 inside heating, wind after the heating gets into the mould inner space after air outlet 1 discharges through air-out pipeline 2. And temperature sensors are respectively arranged in the air outlet 2 and the air inlet 7 and used for detecting the actual temperature of the outlet air and the inlet air. 2 temperature switches 21 are additionally arranged in the air outlet pipeline 2, so that the power supply of the heating pipe is automatically cut off under the condition that the temperature is higher than the limited temperature, and the safety of the heater is protected.
Use the utility model discloses need the cold wind during operation, 3 out of work of heating cabinet this moment, blast gate 5 switches over at the extrinsic cycle gear, and centrifugal blower 4 takes out outside cold air and advances centrifugal blower 1 inside the entering mould through intake stack 6, and axial fan 61 discharges the inside hot-air of mould from the blast gate through the air intake pipeline.
The above embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (7)
1. An apparatus for automatically switching heating modes of a moving ducted blade mould, comprising: install air outlet (1) in the steelframe top in proper order, air-out pipeline (2), heating cabinet (3), air-blower (4), blast gate (5), intake stack (6) and air intake (7), its characterized in that: the air valve (5) in be equipped with the blast gate executor, the blast gate executor passes through the PLC circuit and links to each other with host computer industrial computer, air-out pipeline (2) in be equipped with temperature switch (21) and air outlet sensor (22), air inlet pipeline (6) in be equipped with axial fan (61) and air intake sensor (62).
2. The apparatus for automatically switching heating modes of a movable ducted blade mode according to claim 1, wherein: the air outlet sensor (22) is an air outlet temperature sensor.
3. The apparatus for automatically switching heating modes of a movable ducted blade mode according to claim 1, wherein: the air inlet sensor (62) is an air inlet sensor (62).
4. The apparatus for automatically switching heating modes of a movable ducted blade mode according to claim 1, wherein: the heating pipe arranged in the heating box (3) is controlled to work through the PLC circuit.
5. The apparatus for automatically switching heating modes of a movable ducted blade mode according to claim 1, wherein: the temperature switch (21), the air outlet sensor (22), the axial flow fan (61) and the air inlet sensor (62) are respectively connected with the PLC circuit.
6. The apparatus for automatically switching heating modes of a movable ducted blade mode according to claim 1, wherein: and universal wheels are arranged below the steel frame.
7. The apparatus for automatically switching heating modes of a movable ducted blade mode according to claim 1, wherein: the blower (4) is a centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324535.5U CN211917733U (en) | 2019-12-23 | 2019-12-23 | Device for automatically switching heating modes of movable duct type blade die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922324535.5U CN211917733U (en) | 2019-12-23 | 2019-12-23 | Device for automatically switching heating modes of movable duct type blade die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211917733U true CN211917733U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922324535.5U Active CN211917733U (en) | 2019-12-23 | 2019-12-23 | Device for automatically switching heating modes of movable duct type blade die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211917733U (en) |
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2019
- 2019-12-23 CN CN201922324535.5U patent/CN211917733U/en active Active
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