CN211698736U - Temperature control management system for battery cabinet of wind turbine generator - Google Patents
Temperature control management system for battery cabinet of wind turbine generator Download PDFInfo
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- CN211698736U CN211698736U CN202020791235.8U CN202020791235U CN211698736U CN 211698736 U CN211698736 U CN 211698736U CN 202020791235 U CN202020791235 U CN 202020791235U CN 211698736 U CN211698736 U CN 211698736U
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Abstract
The utility model discloses a wind turbine generator system battery cabinet temperature control management system relates to the electrical technology field of new energy engineering, and comprises a controller, a temperature acquisition module, a temperature display module, a temperature setting module and a TEC module, wherein the controller comprises an analog-to-digital conversion module, a digital PID control module, a pulse width modulation output module and a bidirectional driving module; the utility model has the advantages that the environment temperature in the cabinet is configured with high temperature and low temperature protection; the refrigeration and heating core components have high temperature protection; the system has a protection measure for preventing load overcurrent or short circuit; when power is cut off accidentally, the direct start cannot be realized possibly under the protection of high temperature or low temperature in the cabinet, and the direct start function after power cut is realized; after the high-temperature or low-temperature protection action, the trial operation function is realized after a certain interval time.
Description
Technical Field
The utility model relates to a new forms of energy engineering electrical technology field specifically is a wind turbine generator system battery cabinet temperature control management system.
Background
The storage battery of the wind turbine generator is a standby power supply for emergency shutdown of the generator, is vital to safe operation of the generator, temperature factors directly influence the operation life of the storage battery, and winter heating measures are taken in the battery cabinet, but the storage battery is extremely unreliable and effective in view of actual operation conditions; in summer, no heat dissipation measures are taken, so that the service life of the variable-pitch storage battery is basically within 3 years and is far less than the nominal service life (the float charge expected service life is 6 years at 25 ℃ and 10 years at 20 ℃).
The existing temperature control system has the following defects that firstly, a wind turbine generator is installed at high altitude in the field, a variable-pitch battery pack is installed in a hub of the variable-pitch battery pack, air in the hub is not circulated in summer, the temperature in a battery cabinet is about 40 ℃ and higher than the requirement of an operation environment with the upper limit of a storage battery of 25 ℃, and the variable-pitch battery packs are installed in a fixed and mutually attached manner, so that the heat dissipation capability of the battery is extremely poor, the heat dissipation of the battery is not facilitated, and the factor for accelerating the damage of the battery is also. Secondly, the heating is carried out by a heater in winter, the temperature in the cabinet is improved in a natural air conduction mode, the highest temperature of the heater is about 120 ℃ when the heater works, personnel can be scalded, and meanwhile, the hidden danger of fire disaster is caused; the heater with a small using space can not meet the installation clearance required by a manufacturer, nearby electrical elements in the cabinet are easily overheated, so that the insulation failure is caused, and in addition, the storage battery can cause the problems of activity instability, liquid leakage, explosion and the like due to roasting; the working voltage of the heater is 230V, the current is 9A, and the energy consumption is relatively large; the space heat radiation attenuation is fast, the temperature difference among all parts of the single battery and the battery blocks is large, and the batteries are heated unevenly; the working power supply is 230V, so that the possibility of accidental electric shock of personnel is caused; the temperature controller has low measurement precision and control precision which are both +/-0.5 ℃; the highest temperature in the cabinet can only be maintained at a level of about 10 ℃, the requirement of a low limit of 20 ℃ is not met, the activity of the electrolyte of the battery is reduced due to low and unbalanced temperature, the discharge of the battery is aggravated, and the service life of the battery is seriously influenced. And thirdly, according to actual operation and maintenance experience and periodic statistical analysis, the fault rates of the heater and the temperature controller are high. When the heater and the temperature controller are damaged and do not heat, the storage battery does not have use conditions at all when the environmental temperature is lower than the lower discharge limit of the storage battery to minus 15 ℃, in addition, the storage battery only has charge conditions when the temperature is higher than 0 ℃, the polarization phenomenon of the low-temperature environment battery is serious, the discharge is incomplete, the discharge capacity is reduced, the discharge time is shortened, the charge time is over long, and the service life and the performance of the battery are rapidly reduced; and when the temperature controller is in fault, the heater is continuously heated, and the temperature exceeds the application range of the variable-pitch battery, so that the performance of the variable-pitch battery is poor.
In conclusion, the battery cabinet in summer has no ventilation cooling measures, so that the battery in summer is damaged due to poor heat dissipation, and the problem of exposure in winter is possible; in winter, the heating measures of the battery cabinet are unreliable, and the heating and cooling measures of the variable-pitch battery cabinet are urgently needed to be optimized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a wind turbine generator system battery cabinet temperature control management system.
The purpose of the utility model is realized through the following technical scheme:
a temperature control management system for a battery cabinet of a wind turbine generator comprises a controller, a temperature acquisition module, a temperature display module, a temperature setting module and a TEC module, wherein the controller comprises an analog-to-digital conversion module, a digital PID control module, a pulse width modulation output module and a bidirectional driving module;
the output end of the temperature acquisition module is connected with the input end of the analog-to-digital conversion module, the output end of the analog-to-digital conversion module is connected with the input end of the digital PID control module, the output end of the digital PID control module is connected with the input end of the pulse width modulation output module, the output end of the pulse width modulation output module is connected with the input end of the bidirectional driving module, and the output end of the bidirectional driving module is connected with the TEC module;
the input end of the temperature display module is connected with the output end of the controller, and the output end of the temperature setting module is connected with the input end of the controller; the data of the temperature acquisition module is converted by the analog-to-digital conversion module and then displayed in real time by the temperature display module, and according to the temperature fixed value set by the temperature setting module, the direct current with the corresponding polarity is output to the TEC module by the digital PID control module and the pulse width modulation output module through the bidirectional driving module, so that the bidirectional driving of the TEC module is realized.
Furthermore, the temperature acquisition module is a negative temperature coefficient thermistor and is used for detecting the temperature in the battery cabinet in real time.
Further, the power supply further comprises a switching power supply for converting the input power supply voltage into the working voltage.
Further, the TEC module includes high temperature protection controller B1, low temperature protection controller B2 and TEC, form the electrical system return circuit through the cable connection between switching power supply, high temperature protection controller B1, low temperature protection controller B2 and the TEC, still be provided with switch relay K1 and delay relay K2 on the electrical system return circuit, switch relay K1 with high temperature protection controller B1, low temperature protection controller B2 are connected for realize the protection of system high low temperature, delay relay K2 receives high level control, is used for realizing system directly to start or trial run the function, the TEC is connected with high temperature protection temperature control switch B3 and B4.
Further, fans are arranged on two sides of the TES, a fan motor M1 is arranged in the fan on one side, and a fan motor M2 is arranged in the fan on the other side.
Further, the TES is also connected with FU 1.
Further, thermal-protective layers are arranged on two sides of the TES.
Further, a heat conducting layer is arranged between the TES and the fan.
The utility model has the advantages that:
1. the semiconductor refrigeration chip is used as a core device, the heating or refrigeration effect is realized by changing the polarity of direct current, and the integrated bidirectional temperature control device has an integrated bidirectional function, so that the temperature control space meets the ideal temperature requirement, and the temperature can be constantly maintained in an interval.
2. The core device of the invention has no rotating part, has small volume and convenient installation, and can be used in places with limited installation space.
3. The semiconductor refrigeration piece is a novel refrigeration device, does not need a refrigerant, and has no possibility of refrigerant pollution in the application environment; the semiconductor refrigerating sheet can realize the heating function by changing the current polarity without electric auxiliary heating; the heating efficiency can reach 100 percent, the refrigerating efficiency is 60 percent, and the characteristics are completely matched with the temperature control range of the battery.
4. In the invention, the working circuits are all safe voltage, so that no electric shock hazard exists for maintainers; under the heating mode, the highest temperature of the radiating fins is about 30 ℃, and accidents of scalding maintainers do not occur.
Drawings
Fig. 1 is a plan view of a peltier ATA-based constant temperature control system for a battery cabinet of a wind turbine generator system of the present invention;
FIG. 2 is an electrical schematic diagram of a peltier ATA-based constant temperature control system of a battery cabinet of a wind turbine generator set of the present invention;
FIG. 3 is a basic model of the constant temperature control system of the battery cabinet of the wind turbine generator based on Peltier ATA;
fig. 4 is the utility model discloses based on peltier ATA wind turbine generator system battery cabinet constant temperature control system topological diagram.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
The invention provides and designs a temperature control management system of a wind turbine generator battery cabinet, which is basically characterized in that the Peltier effect (refrigeration and heating) of a semiconductor refrigeration sheet is utilized, the refrigeration or heating function is realized on the same semiconductor refrigeration sheet by changing the polarity of direct current, and the semiconductor refrigeration sheet is a tool for realizing heat transfer by the thermoelectric principle in principle, so that the semiconductor refrigeration sheet can be vividly understood as a heat pump.
The invention conforms to the law of energy conservation, and is applied to occasions where the installation space of the battery cabinet of the wind turbine generator is limited, the reliability requirement is high, refrigerant pollution cannot be generated, and the like. The core device of the system has three characteristics: firstly, the integrated bidirectional function is realized; secondly, no rotating part is arranged; and thirdly, refrigerant and additional electric auxiliary heat are not needed.
The electric control working principle of the invention can realize the necessary temperature control function and also has the following functions: configuring high-temperature and low-temperature protection for the ambient temperature in the cabinet; the refrigeration and heating core components have high temperature protection; the system has a protection measure for preventing load overcurrent or short circuit; when power is cut off accidentally, the direct start cannot be realized possibly under the protection of high temperature or low temperature in the cabinet, and the direct start function after power cut is realized; after the high-temperature or low-temperature protection action, the trial operation function is realized after a certain interval time. The electric element comprises: switch power supply, temperature control switch, relay, radiator, fan, refrigeration piece, temperature controller, temperature sensor, cable and the like
As shown in fig. 1, a temperature control management system for a battery cabinet of a wind turbine generator system includes a controller, a temperature acquisition module, a temperature display module, a temperature setting module and a TEC module, where the controller includes an analog-to-digital conversion module, a digital PID control module, a pulse width modulation output module and a bidirectional driving module;
the output end of the temperature acquisition module is connected with the input end of the analog-to-digital conversion module, the output end of the analog-to-digital conversion module is connected with the input end of the digital PID control module, the output end of the digital PID control module is connected with the input end of the pulse width modulation output module, the output end of the pulse width modulation output module is connected with the input end of the bidirectional driving module, and the output end of the bidirectional driving module is connected with the TEC module;
the input end of the temperature display module is connected with the output end of the controller, and the output end of the temperature setting module is connected with the input end of the controller; the data of the temperature acquisition module is converted by the analog-to-digital conversion module and then displayed in real time by the temperature display module, and according to the temperature fixed value set by the temperature setting module, the direct current with the corresponding polarity is output to the TEC module by the digital PID control module and the pulse width modulation output module through the bidirectional driving module, so that the bidirectional driving of the TEC module is realized.
It should be noted that the temperature acquisition module is a negative temperature coefficient thermistor and is used for detecting the temperature in the battery cabinet in real time. It should be noted that the power supply further includes a switching power supply for converting an input power supply voltage into an operating voltage. The input power supply voltage of the battery cabinet is AC230V, the input power supply voltage is converted into DC12V through a switching power supply, all electric loops and device working power supplies of the control system are DC12V, the voltage is human body safety voltage, and no electric shock hazard exists for maintainers.
The TEC module comprises a high-temperature protection controller B1, a low-temperature protection controller B2 and a TEC, an electric system loop is formed by connecting a switch power supply, the high-temperature protection controller B1, the low-temperature protection controller B2 and the TEC through cables, a switch relay K1 and a delay relay K2 are further arranged on the electric system loop, the switch relay K1 is connected with the high-temperature protection controller B1 and the low-temperature protection controller B2 and used for achieving high-temperature and low-temperature protection of the system, the delay relay K2 is controlled by high level and used for achieving direct starting or trial switching of the system, and the TEC is connected with high-temperature protection temperature control switches B3 and B4.
In addition, fans are arranged on two sides of the TES, a fan motor M1 is arranged in the fan on one side, a fan motor M2 is arranged in the fan on the other side, and it can be understood that the TES is also connected with an FU 1.
As shown in fig. 2, the electrical operation diagram is described as follows:
NTC is a negative temperature coefficient thermistor, and detects the temperature T in the battery cabinet in real time;
b1 is a high-temperature protection temperature controller, TB1 is set to 30 ℃ (the constant value can be continuously adjusted within the range of 0-60 ℃);
and B2 is a low-temperature protection temperature controller, TB2 is set to 10 ℃ (the constant value can be continuously adjusted within the range of 0-60 ℃). The temperature controller sets the control temperature T to be 20 ℃ at the upper limit and 25 ℃ at the lower limit (the constant value can be continuously adjusted within the range of minus 40 ℃ to 110 ℃, the precision is 0.1 ℃), and the correct relation related to the temperature value is TB1 > T set > TB 2.
B3 and B4 are high-temperature protection temperature control switches of the semiconductor refrigerating sheet, and the fixed value is not adjustable at 90 ℃;
the TEC is a semiconductor refrigerating sheet;
FU1 is used for preventing load overcurrent or short circuit;
m1 and M2 are heat dissipation of semiconductor refrigeration sheet or air circulation fan motor;
eighthly, K1 is a system main loop switch relay and is controlled by a high-temperature and low-temperature controller to realize high-temperature and low-temperature protection of the system;
ninthly, K2 is a system main loop delay relay, is controlled by a high level, and realizes a system direct start or trial run function. The off-time CL is set to be 2h (the constant value can be continuously adjusted within the range of 0.01 s-9999 min), the relay does not act when high level (DC 3-24V, the same below) is detected, and the contact keeps an off state; when the action of a relay with low level (0-0.2V, the same below) is detected, the contact is in a closed state. The specific working mode is as follows: when the power is firstly switched on or switched off and restarted, a low level is detected, the off time CL defaults to 0s, the relay immediately acts, the control contact is closed, the on time OP is triggered by a high level, and the relay is switched off; when the low level is detected in the working process, the opening time CL starts to count down for 2h, no action is caused when the high level relay is detected in 2h, the relay is operated when the time CL counts the time till the relay is operated, the control contact is closed, and the relay contact is opened when the high level is detected.
Mode of operation
If T is T (in the range of upper and lower limit values), the temperature controller is in a standby state and is started without a mode;
if T is more than T setting (exceeding the upper limit), the temperature controller starts a refrigeration mode, a +/-port is a positive voltage DC12V, a-/+ "port is a reference (negative) voltage DC0V, the working surface of the TEC is electrified for refrigeration, a working surface fan M1 is synchronously started to promote air circulation of a cooling space, the refrigeration speed is accelerated, a non-working surface of the TEC generates a large amount of heat at the moment, the fan M2 is also started for radiating heat of the non-working surface in order to prevent the TEC from being overheated to burn out the non-working surface, and the temperature controller stops the refrigeration mode for standby when T is [ T setting (upper limit value) -refrigeration return difference ];
if T is less than T setting (lower limit), the temperature controller starts a heating mode, a +/-port is a reference (negative) voltage DC0V, a +/-port is a positive voltage DC12V, the working surface of the TEC is electrified to heat, a working surface fan M1 is synchronously started to accelerate air circulation of a heating space, overheating burning of the TEC can be effectively prevented, the non-working surface of the TEC is a cold surface, the TEC stops working at the moment in order to reduce energy consumption, the non-working surface fan M2 stops working at the moment, and the temperature controller stops the heating mode for standby when T is equal to [ T setting (lower limit) + heating return difference ].
High-temperature protection of the semiconductor refrigerating sheet:
in the refrigeration mode, if the temperature of the non-working surface exceeds 90 ℃, the B4 temperature control switch acts to automatically disconnect the load, and when the temperature is less than 90 ℃, the B4 temperature control switch automatically restores the closed state; in the heating mode, if the temperature of the working surface exceeds 90 ℃, the B3 temperature control switch acts to automatically disconnect the load, and when the temperature is less than 90 ℃, the B3 temperature control switch automatically restores the closed state.
The system low-temperature protection and trial delivery functions are as follows:
if the system is in failure, the refrigeration mode is always operated, when T is less than TB2, the switch action between 1 port and 2 ports of the B2 temperature controller is switched off, the solenoid A1 port of the K1 switching relay is de-energized, the switch action between 1 port and 2 ports of the K1 switching relay is switched off, simultaneously the HIGH port of the K2 delay relay detects a low level to start timing, when T is more than or equal to TB2, the switch action between 1 port and 2 ports of the B2 temperature controller is closed in a timing period, the K2 delay relay detects a HIGH level again, the timing is returned to 0 and is not operated, if the timing period of 2h is up, the K2 delay relay is operated to be closed, the temperature controller is energized and judges to execute the corresponding operation mode according to conditions, when T is equal to TB2, the switch between 1 port and 2 ports of the B2 temperature controller is closed, the solenoid A1 port of the K1 switching relay is energized, the switch action between 1 port and 2 ports is closed, and the switch action of the K2 delay relay is detected to be HIGH level, the temperature controller is always electrified and judges to execute a corresponding working mode according to conditions.
The system high-temperature protection and trial delivery functions are as follows:
if the system is in failure, the heating mode is always operated, when T is more than TB1, the switch action between 1 and 2 ports of the B1 temperature controller is switched off, the solenoid A1 port of the K1 switching relay is de-energized, the switch action between 1 and 2 ports of the K1 switching relay is switched off, simultaneously the HIGH port of the K2 delay relay detects a low level to start timing, when T is less than or equal to TB1 in the timing period, the switch action between 1 and 2 ports of the B1 temperature controller is closed, the K2 delay relay detects a HIGH level again, the timing is returned to 0 and is not actuated, if the timing period of 2h is up, the K2 delay relay is actuated to be closed, the temperature controller is energized and executes the corresponding operating mode according to the condition judgment, when T is equal to TB1, the switch between 1 and 2 ports of the B1 temperature controller is closed, the solenoid A1 port of the K1 switching relay is energized, the switch action between 1 and 2 ports of the solenoid A1 port of the K2 is closed, and the K2 delay relay is immediately switched off, the temperature controller is always electrified and judges to execute a corresponding working mode according to conditions.
Restarting after initial power-on or power-off:
when the temperature T in the battery cabinet meets the condition that TB1 is more than T and is more than TB2, a switch between ports 1 and 2 of the B1 temperature controller is closed, a switch between ports 1 and 2 of the B2 temperature controller is closed, a HIGH level port of the K2 delay relay does not act when detecting HIGH level, a switch electromagnetic coil A1 of the K1 switch relay is electrified, a switch between ports 1 and 2 of the K1 switch relay is closed, and the temperature controller is electrified and executes a corresponding working mode.
When the temperature T in the battery cabinet meets the condition that T is more than TB1, a switch between ports 1 and 2 of the B1 temperature controller is disconnected, a switch between ports 1 and 2 of the B2 temperature controller is closed, a switch electromagnetic coil A1 port of the K1 switching relay does not have electricity and does not act, a HIGH port of the K2 switching relay detects low level and acts immediately, a switch between ports 1 and 2 of the K2 switching relay is closed, the temperature controller is powered on to start a refrigeration mode, when the T is equal to the TB1 condition, a switch between ports 1 and 2 of the B1 temperature controller is closed, a switch electromagnetic coil A1 port of the K1 switching relay is powered on to act, a switch between ports 1 and 2 of the K1 switching relay is closed, meanwhile, a HIGH port of the K2 switching relay detects HIGH level action, a switch between ports 1 and 2 of the K2 switching relay is disconnected, and the corresponding working mode is judged and executed according to the.
When the temperature T in the battery cabinet meets the condition that TB2 is greater than T, a switch between ports 1 and 2 of the B1 temperature controller is closed, a switch between ports 1 and 2 of the B2 temperature controller is opened, a switch electromagnetic coil A1 port of the K1 switching relay does not have electricity and does not act, a HIGH port of the K2 switching relay detects low level and acts immediately, a switch between ports 1 and 2 of the K2 switching relay is closed, the temperature controller is in an electric starting heating mode, when the T is equal to the TB2 condition, a switch between ports 1 and 2 of the B2 temperature controller is closed, a switch electromagnetic coil A1 port of the K1 switching relay is electrified and acts, a switch between ports 1 and 2 of the K1 switching relay is closed, meanwhile, a HIGH level action is detected by a HIGH port of the K2 switching relay, a switch between ports 1 and 2 of the K2 switching relay is opened, electricity is always obtained, and the corresponding working mode is.
The system has a protective measure for preventing the load from overcurrent or short circuit, when the overcurrent or short circuit fault exists, FU1 is immediately fused, the process is irreversible, and manual intervention is needed for inspection and processing.
The electrical control working principle is characterized in that: (1) realizing the necessary temperature control function; (2) configuring high-temperature and low-temperature protection for the ambient temperature in the cabinet; (3) the refrigeration and heating core components have high temperature protection; (4) protective measures against overcurrent or short circuit of the load are provided; (5) when power is cut off accidentally, the direct start cannot be realized possibly under the protection of high temperature or low temperature in the cabinet, and the direct start function after power cut is realized; (6) after the high-temperature or low-temperature protection action, the trial operation function is realized after a certain interval time.
It will be appreciated that the TES is provided with insulation layers on both sides as shown in figure 1.
As shown in fig. 1, a heat conductive layer is provided between the TES and the fan.
As shown in fig. 3, the peltier ATA-based constant temperature control system for the battery cabinet of the wind turbine generator follows the law of conservation of energy, utilizes the action of a heat pump, and is electrified to extract heat from the outside when the temperature needs to be raised; and when the temperature needs to be reduced, the power is switched on to discharge heat from the inside. The thermoelectric refrigeration utilizes the Peltier effect generated by a special semiconductor material, the heat generated by the current can be transmitted from one side of the TEC to the other side, and the thermoelectric refrigeration system has the advantages of no rotating part, no limitation in space, high reliability requirement and no refrigerant pollution, and is completely feasible and mature in technical design.
The system has important functions of online temperature measurement, real-time display, fixed value setting, fan control, polarity interchange and the like, as shown in fig. 4, the functions are specifically realized through a TEC temperature controller, the NTC measured battery cabinet temperature is displayed in real time after analog-to-digital conversion, the TEC temperature controller is controlled through digital PID according to a set temperature fixed value, direct current with corresponding polarity is output through pulse width modulation, finally bidirectional driving of a semiconductor refrigerating sheet is realized, and a corresponding heating mode or a corresponding refrigerating mode is started according to temperature control requirements.
The foregoing is merely a preferred embodiment of the invention, it being understood that the embodiments described are part of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The invention is not intended to be limited to the forms disclosed herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. A temperature control management system for a battery cabinet of a wind turbine generator is characterized by comprising a controller, a temperature acquisition module, a temperature display module, a temperature setting module and a TEC module, wherein the controller comprises an analog-to-digital conversion module, a digital PID control module, a pulse width modulation output module and a bidirectional driving module;
the output end of the temperature acquisition module is connected with the input end of the analog-to-digital conversion module, the output end of the analog-to-digital conversion module is connected with the input end of the digital PID control module, the output end of the digital PID control module is connected with the input end of the pulse width modulation output module, the output end of the pulse width modulation output module is connected with the input end of the bidirectional driving module, and the output end of the bidirectional driving module is connected with the TEC module;
the input end of the temperature display module is connected with the output end of the controller, and the output end of the temperature setting module is connected with the input end of the controller; the data of the temperature acquisition module is converted by the analog-to-digital conversion module and then displayed in real time by the temperature display module, and according to the temperature fixed value set by the temperature setting module, the direct current with the corresponding polarity is output to the TEC module by the digital PID control module and the pulse width modulation output module through the bidirectional driving module, so that the bidirectional driving of the TEC module is realized.
2. The system according to claim 1, wherein the temperature acquisition module is a negative temperature coefficient thermistor and is used for detecting the temperature in the battery cabinet in real time.
3. The wind turbine generator system battery cabinet temperature control management system according to claim 1, further comprising a switching power supply for converting an input power supply voltage into an operating voltage.
4. The wind turbine generator system battery cabinet temperature control management system according to claim 3, wherein the TEC module comprises a high temperature protection controller B1, a low temperature protection controller B2 and a TEC, the switching power supply, the high temperature protection controller B1, the low temperature protection controller B2 and the TEC are connected through cables to form an electrical system loop, a switching relay K1 and a time delay relay K2 are further arranged on the electrical system loop, the switching relay K1 is connected with the high temperature protection controller B1 and the low temperature protection controller B2 to achieve high and low temperature protection of the system, the time delay relay K2 is controlled by a high level to achieve a direct start or trial run function of the system, and the TEC is connected with high temperature protection temperature control switches B3 and B4.
5. The wind turbine generator unit battery cabinet temperature control management system according to claim 4, wherein fans are disposed on two sides of the TEC, wherein a fan motor M1 is disposed in the fan on one side, and a fan motor M2 is disposed in the fan on the other side.
6. The wind turbine generator system battery cabinet temperature control management system according to claim 5, wherein the TES is further connected with FU 1.
7. The wind turbine generator system battery cabinet temperature control management system according to claim 5, wherein thermal insulation layers are arranged on two sides of the TES.
8. The wind turbine generator system battery cabinet temperature control management system according to claim 5, wherein a heat conducting layer is arranged between the TES and the fan.
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| CN202020791235.8U CN211698736U (en) | 2020-05-13 | 2020-05-13 | Temperature control management system for battery cabinet of wind turbine generator |
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| CN202020791235.8U CN211698736U (en) | 2020-05-13 | 2020-05-13 | Temperature control management system for battery cabinet of wind turbine generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204164A (en) * | 2021-12-08 | 2022-03-18 | 华中科技大学 | Intelligent temperature control system and method applied to liquid metal battery pack |
| CN116093494A (en) * | 2023-04-10 | 2023-05-09 | 江苏德春电力科技股份有限公司 | Energy storage power station with high security performance |
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2020
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204164A (en) * | 2021-12-08 | 2022-03-18 | 华中科技大学 | Intelligent temperature control system and method applied to liquid metal battery pack |
| CN114204164B (en) * | 2021-12-08 | 2023-07-25 | 华中科技大学 | Intelligent temperature control system and method applied to liquid metal battery pack |
| CN116093494A (en) * | 2023-04-10 | 2023-05-09 | 江苏德春电力科技股份有限公司 | Energy storage power station with high security performance |
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