CN211819815U - Heating device for frequency converter of wind generating set - Google Patents
Heating device for frequency converter of wind generating set Download PDFInfo
- Publication number
- CN211819815U CN211819815U CN202020390763.2U CN202020390763U CN211819815U CN 211819815 U CN211819815 U CN 211819815U CN 202020390763 U CN202020390763 U CN 202020390763U CN 211819815 U CN211819815 U CN 211819815U
- Authority
- CN
- China
- Prior art keywords
- heater
- temperature
- frequency converter
- temperature control
- reference value
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model relates to a technical field of wind generating set converter especially relates to a heating device for be used for wind generating set converter, and it is including setting up the heater that is used for heating frequency conversion cabinet inner fan frequency converter temperature in the frequency conversion cabinet, the temperature control subassembly is coupled on the heater, whether the temperature control subassembly is used for controlling the heater work and has preset first temperature reference value, when the temperature is higher than first temperature reference value in the frequency conversion cabinet, the work circuit of temperature control subassembly disconnection self makes the disconnection of heater work circuit indirectly, power supply module is coupled with the temperature control subassembly to the heater, power supply module is used for supplying power with the temperature control subassembly. The utility model discloses have satisfy down the fan have a power failure under, can make the fan converter heated fast, indirectly make the electricity time short on the fan, improve the effect of fan steady operation.
Description
Technical Field
The utility model relates to a technical field of wind generating set converter especially relates to a heating device for be used for wind generating set converter.
Background
At present, in present industrial production, the use of frequency conversion fan is very extensive, controls through the inverter cabinet, can adjust rotational speed and direction, and the practicality is very high.
Among the prior art, only the heating pad in the 2MW fan frequency conversion cabinet, the fan has a power failure and can't satisfy rapid heating under cold weather winter, leads to the power-on time long, and it is long when increasing the trouble, causes great electric quantity loss to influence the fan availability ratio.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heating device for be used for wind generating set converter solves under the cold weather in winter the fan power failure can't satisfy the rapid heating, leads to going up the electric time long, increases the problem of trouble easily.
The above object of the present invention can be achieved by the following technical solutions:
a heating device for a frequency converter of a wind generating set comprises a heater which is arranged in a frequency conversion cabinet and used for heating the temperature of a fan frequency converter in the frequency conversion cabinet, wherein a temperature control assembly is coupled to the heater and used for controlling whether the heater works or not and presetting a first temperature reference value, when the temperature in the frequency conversion cabinet is higher than the first temperature reference value, the temperature control assembly disconnects a working loop of the temperature control assembly and indirectly disconnects the working loop of the heater, a power supply assembly is coupled to the heater and the temperature control assembly, and the power supply assembly is used for supplying power to the heater and the temperature control assembly.
By adopting the technical scheme, when the external environment temperature is too low and the fan frequency converter has unexpected power failure, the heater can work, the temperature of the fan frequency converter in the frequency conversion cabinet can be indirectly and quickly raised when the heater works, and accordingly, the fan frequency converter can be timely powered on to process the fan frequency converter, and the normal operation of the fan frequency converter is effectively guaranteed. When the temperature control assembly that sets up can be higher than first temperature reference value in the frequency conversion cabinet, the work circuit of temperature control assembly disconnection self to can make the work circuit disconnection of heater indirectly, to this, can guarantee that the temperature that fan frequency converter is located is in suitable range, thereby makes things convenient for the normal operating of fan frequency converter.
The utility model discloses further set up to: the temperature control component is a starting temperature controller.
By adopting the technical scheme, the starting temperature controller can automatically sample and immediately monitor the ambient temperature in the frequency conversion cabinet, when the ambient temperature is lower than a first temperature reference value, the starting temperature controller loop is switched on, and the heater is indirectly electrified and starts to work. When the temperature in the frequency conversion cabinet is higher than the first temperature reference value, the temperature control assembly disconnects the working circuit of the temperature control assembly, and indirectly disconnects the working circuit of the heater.
The utility model discloses further set up to: the temperature control device comprises a heater, a fan frequency converter, a protection temperature controller and a temperature control device, wherein the heater is coupled with the protection temperature controller for controlling the temperature born by the fan frequency converter, the protection temperature controller is preset with a second temperature reference value, the second temperature reference value is higher than the first temperature reference value, and when the temperature in the frequency converter cabinet is higher than the second temperature reference value, the protection temperature controller disconnects the working circuit of the protection temperature controller and indirectly disconnects the working circuit of the heater.
By adopting the technical scheme, the protection temperature controller can also monitor the temperature change in the frequency conversion cabinet in time, and can indirectly disconnect the working circuit of the heater while disconnecting the working circuit of the protection temperature controller. The second temperature reference value is higher than the first temperature reference value, can provide the back-up protection after the start temperature controller became invalid, avoids heater continuous operation to cause the interior high temperature of frequency conversion cabinet, makes the fan converter be heated too high and damage indirectly.
The utility model discloses further set up to: and when the current setting value of the loop in which the heater is positioned is abnormal, the leakage protection switch disconnects the power supply assembly so that the power supply assembly stops supplying power to the heater.
By adopting the technical scheme, the type of the arranged leakage protection switch is E017Q2, when the loop where the heater is located has a fault, the leakage protection switch can be tripped, so that the loop for supplying power to the heater can be cut off, through the mode, whether the setting value of the E017Q2 leakage protection switch is the original setting value or not can be checked during daily inspection, once the setting value is changed, the loop where the heater is located probably has a fault, and aiming at the problem, the leakage protection switch which is automatically disconnected can play a role in protecting the heater and prevent the heater from being damaged.
The utility model discloses further set up to: the detachable card rail of installing on the frequency conversion cabinet, the heater is installed on the card rail.
By adopting the technical scheme, the detachable clamping rail is convenient to install and detach, and further the heater is convenient to install and detach.
The utility model discloses further set up to: the clamping rail is installed on the frequency conversion cabinet through a self-tapping bolt.
By adopting the technical scheme, the position of the clamping rail is convenient to replace in time by installing the clamping rail through the self-tapping bolt, and then the position of the heater is convenient to replace according to actual needs.
The utility model discloses further set up to: the power supply assembly is 220V alternating current.
Adopt above-mentioned technical scheme, the alternating current that sets up can be same set with the power supply at fan converter place, to this, need not additionally set up new power supply module again, directly with the heater couple can on the alternating current at fan converter place.
To sum up, the utility model discloses a beneficial technological effect does:
the wind generating set control system is realized on the basis of not changing the original system, can be in seamless butt joint with a main control system of a wind generating set, can improve the overall operation working condition of a fan frequency converter in winter, enables the temperature in the frequency converter to be always kept in the optimal range, can heat the interior of a frequency conversion cabinet through the existence of a heater, and is convenient for the frequency converter to be rapidly heated. The starting temperature controller can control the heating time of the heater, namely when the temperature after the heater is heated is higher than a first preset temperature reference value of the starting temperature controller, a working circuit of the starting temperature controller can be disconnected, the working circuit of the heater can be indirectly disconnected, and the heater is prevented from working all the time. The protection temperature controller that sets up can provide the back-up protection after the start temperature controller became invalid, avoids heater continuous operation to cause the interior high temperature of inverter cabinet, makes the fan converter be heated too high and damage indirectly.
Drawings
Fig. 1 is a schematic circuit diagram of a heater and a protection thermostat according to the present invention.
Reference numerals: 1. a power supply component; 2. a heater; 3. a temperature control assembly; 4. protecting the temperature controller; 5. a leakage protection switch.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a heating device for wind generating set converter, heating device couples in wind generating set 'S major control system, heating device includes heater 2, protection temperature controller 4, temperature control subassembly 3, earth leakage protection switch 5, master switch S and power supply module 1, heater 2, protection temperature controller 4, temperature control subassembly 3, earth leakage protection switch 5 couples in proper order, in this embodiment, power supply module 1 is 220V' S alternating current, can supply power to heater 2, protection temperature controller 4, temperature control subassembly 3, earth leakage protection switch 5.
The heater 2 is installed in the frequency conversion cabinet, and during operation, can indirect heating install the temperature of fan converter in the frequency conversion cabinet, installs the card rail through self tapping bolt on the frequency conversion cabinet, and the heater 2 is installed on the card rail.
The temperature control assembly 3 is a starting temperature controller, the type is RKTO011, the starting temperature controller is installed in the frequency conversion cabinet, and the starting temperature controller can control whether the heater 2 works or not, so that the heater 2 is prevented from working for a long time. The start temperature controller has preset first temperature reference value, and supposing that first temperature reference value is 5, when the temperature was higher than 5 in the frequency conversion cabinet, start temperature controller return circuit disconnection, heater 2 stop work avoids heater 2 to last work and causes the high temperature. When the temperature in the frequency conversion cabinet is lower than 5 degrees, the temperature controller loop is started to be connected, and the heater 2 starts to work after being electrified.
4 models of protection temperature controller are RKTO011, and protection temperature controller 4 is installed in the inverter cabinet, and protection temperature controller 4 has preset the second temperature reference value, and the second temperature reference value is assumed to be 10, and in this embodiment, after the start temperature controller became invalid, protection temperature controller 4 provided the back-up protection, and temperature controller return circuit disconnection when the temperature was higher than 10 in the cabinet promptly, and heater 2 stop work avoids heater 2 continuous operation to cause and stabilizes too high.
The leakage protection switch 5 is directly connected with the main switch S, the leakage protection switch 5 is E017Q2 in model, when the heater 2 works, a current setting value is arranged on a loop where the heater 2 is located, the current setting value is set to be 6A, and the leakage protection switch 5 can automatically trip when the loop where the heater 2 is located has a fault, so that a power supply for supplying power to the heater 2 is cut off. Meanwhile, whether the setting value of the E017Q2 leakage protection switch 5 is 6A or not is checked during daily inspection, and whether the heater 2 normally operates or not can be judged.
The working principle is as follows: when the temperature in the frequency conversion cabinet is lower than 5 ℃, the temperature controller loop is started to be connected, the heater 2 starts to work when being electrified, and when the temperature in the frequency conversion cabinet is higher than 5 ℃, the temperature controller loop is disconnected, and the heater 2 stops working when being electrified. Through the scheme, the wind generating set main control system can be in seamless butt joint with the wind generating set main control system, the wind generating set main control system can be realized on the basis of not changing the original system, more importantly, the whole operation working condition of the fan frequency converter in winter can be improved, and the temperature in the frequency converter is always kept in the optimal range.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The heating device for the frequency converter of the wind generating set is characterized by comprising a heater (2) which is arranged in the frequency converter cabinet and used for heating the temperature of a fan frequency converter in the frequency converter cabinet, wherein a temperature control component (3) is coupled to the heater (2), the temperature control component (3) is used for controlling whether the heater (2) works or not and presetting a first temperature reference value, when the temperature in the frequency converter cabinet is higher than the first temperature reference value, the temperature control component (3) disconnects a working loop of the temperature control component and indirectly disconnects the working loop of the heater (2), a power supply component (1) is coupled to the heater (2) and the temperature control component (3), and the power supply component (1) is used for supplying power to the heater (2) and the temperature control component (3).
2. Heating device for a frequency converter of a wind power plant according to claim 1, characterised in that said temperature control assembly (3) is a start thermostat.
3. The heating device for the frequency converter of the wind generating set according to claim 1, wherein a protection temperature controller (4) for controlling the temperature level suffered by the frequency converter of the fan is coupled to the heater (2), the protection temperature controller (4) is preset with a second temperature reference value, the second temperature reference value is higher than the first temperature reference value, and when the temperature in the frequency converter cabinet is higher than the second temperature reference value, the protection temperature controller (4) disconnects its working circuit and indirectly disconnects the working circuit of the heater (2).
4. The heating device for the frequency converter of the wind generating set according to claim 1, characterized in that a leakage protection switch (5) is coupled to the heater (2), and when the current setting value of the loop in which the heater (2) is located is abnormal, the leakage protection switch (5) disconnects the power supply assembly (1) to stop the power supply assembly (1) from supplying power to the heater (2).
5. The heating device for the frequency converter of the wind generating set according to claim 1, wherein a clamping rail is detachably mounted on the frequency converter cabinet, and the heater (2) is mounted on the clamping rail.
6. The heating device for the frequency converter of the wind generating set according to claim 5, wherein the clamping rail is mounted on the frequency converter cabinet by a self-tapping bolt.
7. A heating device for a frequency converter of a wind park according to claim 1, wherein the power supply module (1) is 220V ac.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020390763.2U CN211819815U (en) | 2020-03-24 | 2020-03-24 | Heating device for frequency converter of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020390763.2U CN211819815U (en) | 2020-03-24 | 2020-03-24 | Heating device for frequency converter of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211819815U true CN211819815U (en) | 2020-10-30 |
Family
ID=73010862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020390763.2U Active CN211819815U (en) | 2020-03-24 | 2020-03-24 | Heating device for frequency converter of wind generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211819815U (en) |
-
2020
- 2020-03-24 CN CN202020390763.2U patent/CN211819815U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111835031A (en) | Wind generating set converter network side circuit breaker and machine side switch control strategy | |
| US11867412B2 (en) | Device and method for converting solar PV energy into thermal energy storage using combined heat-pump and resistive heating elements in water heater | |
| CN108571461A (en) | Fan controller, blower fan system and frequency convertor system | |
| CN111365826A (en) | Power supply system and air conditioner | |
| CN211819815U (en) | Heating device for frequency converter of wind generating set | |
| CN208124494U (en) | A kind of all-fresh air central air-conditioning of electric heating preheating | |
| US20230160371A1 (en) | Wind turbine thermal assembly | |
| CN203323318U (en) | Variable flow energy-saving system for central air conditioner | |
| CN216694160U (en) | Self-adjusting power-saving heating temperature control device | |
| CN211508943U (en) | Optimal control system based on 660WM thermal power generating unit air preheater motor | |
| CN212343340U (en) | Tower-type solar grid-disconnected inverter and grid-disconnected system | |
| JP2007280790A (en) | Fuel cell co-generation system | |
| CN214069151U (en) | Intelligent power distribution cabinet with overheat protection function | |
| CN211684565U (en) | Automobile air conditioner with delayed starting compressor | |
| CN206099364U (en) | Double -fed is heating system for converter control cabinet | |
| JP6423497B1 (en) | Power control system and power control method | |
| CN210958214U (en) | Load shedding control system of generator | |
| CN210769548U (en) | Oil heater with temperature control function | |
| CN110932292A (en) | Thermal power plant auxiliary frequency modulation device based on electric energy conversion device and energy storage device and control method | |
| CN210490660U (en) | Cooling device for overhead fan motor in high-temperature state after power failure | |
| CN221324770U (en) | Automatic circulation cooling device for reservoir | |
| CN205101172U (en) | Wind generating set's cold -starting and controlling means of operation | |
| CN201060398Y (en) | Fan component independent heating apparatus under low temperature condition | |
| CN112928776B (en) | Control method of wind driven generator grid-connected system | |
| CN220983775U (en) | Automatic temperature control device for street lamp control box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |