CN215119792U - Intelligent rack type heat dissipation device of transformer substation relay protection device - Google Patents
Intelligent rack type heat dissipation device of transformer substation relay protection device Download PDFInfo
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- CN215119792U CN215119792U CN202121317657.2U CN202121317657U CN215119792U CN 215119792 U CN215119792 U CN 215119792U CN 202121317657 U CN202121317657 U CN 202121317657U CN 215119792 U CN215119792 U CN 215119792U
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Abstract
The utility model relates to an intelligent rack type heat dissipation device of a transformer substation relay protection device, which comprises a temperature sensing module, a heat dissipation module, a control module, a display unit module, a power supply module and a shell; the temperature sensing module is connected with the control module; the temperature sensing module comprises a temperature sensor and a signal transmission line, and the control module is electrically connected with the display module and the heat dissipation module respectively; the heat dissipation module comprises a heat dissipation fan; the control module comprises a singlechip and a singlechip development board; the display unit module comprises a display and a signal connecting wire; the power supply module comprises a power switch and a transformer element; the temperature sensing module and the display unit module are connected to the singlechip development board through signal lines; the heat dissipation module is electrically connected with the control module; the power module is respectively electrically connected with the control module and the heat dissipation module and is connected with the control module through 5V direct current. Compared with the existing relay protection device, the rack-type heat dissipation device has the advantages of being capable of forming a good air duct, covering all relay protection devices needing heat dissipation, achieving automatic control, saving energy and the like.
Description
Technical Field
The utility model relates to a heat dissipation technology, specifically speaking are heat abstractor in the relay protection device frame of transformer substation.
Background
Along with intelligent substation's general application, intelligent substation relay protection device's the problem of generating heat is gradually outstanding, and its common position of generating heat has: protection device power plug-in, CPU plug-in, switch net gape, device light mouth, high frequency device, …. The dangers of continuous heating of the equipment are as follows: the service life of the equipment can be shortened; resulting in varying degrees of damage to the device package, …. The unprotected operation of the power equipment seriously threatens the safety and stability of the operation of the power grid.
Nowadays, intelligent substation relay protection device's heat abstractor mainly has two kinds: one heat dissipation mode is that a relay protection device with huge individual heat productivity is provided with a heat dissipation module when leaving a factory, and the heat dissipation mode can effectively relieve the heating problem of the equipment, however, because the mode only aims at a specific relay protection device and the types of protection devices provided with the heat dissipation module are extremely limited, the problem that most relay protection devices cannot dissipate heat can not be fundamentally solved, and thus the service life of the equipment is reduced and faults occur frequently; the other heat dissipation mode is as follows: the heat dissipation system is externally hung on the side face of the relay protection rack, and although the heat dissipation system can dissipate heat for all relay protection devices in the local cabinet, reasonable effective air channels cannot be formed in the mode, the power consumption is large, the size is large, only a single part can be cooled at the same temperature, and the consumed time is long.
SUMMERY OF THE UTILITY MODEL
A difficult problem that generates heat to relay protection device existence in the transformer substation, the utility model provides a transformer substation relay protection device's intelligent rack-type heat abstractor.
The utility model discloses a concrete technical scheme as follows:
the intelligent rack type heat dissipation device of the transformer substation relay protection device comprises a temperature sensing module 1, a heat dissipation module 2, a control module 3, a display unit module 4, a power supply module 5 and a shell 6. The control module 3, the heat dissipation module 2, the power module 5 and the heat dissipation module 2 are positioned inside the shell 6; two cooling fans of the cooling module 2 are respectively positioned at two sides of the control module 3; the display unit module 4 is located on the front panel of the housing 6. The power module 5 leads out a plug to the outside of the shell 6 through a power line; a temperature sensor 1-1 of the temperature sensing module 1 is connected to the inside of the shell 6 through a signal wire and connected to the control module 3; the temperature sensing module 1 and the display unit module 4 are connected to a singlechip development board of the control module 3 through signal lines.
The temperature sensing module 1 has a function of transmitting the collected temperature signal to the control module 3. The temperature sensor comprises a temperature sensor 1-1 and a temperature signal transmission line 1-2; one end of the temperature signal transmission line 1-2 is connected with the interface 1-1 of the temperature sensor, and the other end is connected with the temperature signal input interface 3-2.1 of the singlechip development board 3-2; the temperature sensor 1-1 is arranged outside the shell 6 and placed on the surface of a measured object to acquire the temperature of the installation place.
The heat dissipation module 2 has the function of driving the fan to dissipate heat when the circuit is conducted. The heat dissipation device comprises 2 heat dissipation fans 2-1 and a fan power line 2-; 2 heat dissipation fans 2-1 are located inside the shell 6, and a power module 5 of the device and an on-off controller 3-2.2 on the singlechip development board 3-2 are connected in series through fan power lines 2-2, so that the function of starting or stopping working according to the on-off condition of the controller is realized.
The control module 3 has the functions of collecting the signals of the temperature sensing module 1, outputting the signals to the display module 4 after calculation, and controlling the on-off of the circuit of the heat dissipation module 2. The system comprises a singlechip 3-1 and a singlechip development board 3-2, wherein the singlechip development board 3-2 comprises a temperature signal input interface 3-2.1, an on-off controller 3-2.2, a chip slot 3-2.3, a display output interface 3-2.4 and a power interface 3-2.5; the singlechip 3-1 is inserted into a chip slot 3-2.3 of the singlechip development board 3-2. The singlechip development board 3-2 is positioned inside the shell 6. The singlechip 3-1 calculates and generates a start-stop instruction through a real-time signal input by a temperature signal input interface 3-2.1 on the singlechip development board 3-2 to control the on-off state of the on-off controller 3-2.2, and simultaneously the singlechip 3-1 transmits the measured real-time temperature, the set upper and lower temperature thresholds and the running state data of the fan to a display output interface 3-2.4 of the singlechip development board 3-2. The control module 3 is respectively connected with the temperature sensing module 1 and the display unit module 4 through two groups of signal wires;
the display unit module 4 has the function of displaying the signal output by the control module 3 on a display screen. Which includes a display 4-1 and a display signal transmission line 4-2. The display 4-is located on the surface of the housing 6. One end of the display signal transmission line 4-2 is connected with a display output interface 3-2.4 on the singlechip development board 3-2, and the other end is connected with a display 4-1.
And the power module 5 is used for respectively providing required electric energy for the control module 3 and the heat dissipation module 2. It comprises a power switch 5-1 and a transformer element 5-2; the power switch 5-1 is located on the surface of the housing 6 and the transformer element 5-2 is located inside the housing 6. The power module 5 is externally connected with 220V alternating current commercial power through a lead and then is divided into two paths for supplying power; one path is connected with a fan power line 2-of the heat dissipation module 2 through a switch power switch 5-1 to provide 220V alternating current for the fan power line; the other path of the alternating current is connected to a transformer element 5-2 after passing through a power switch 5-1, so that 220V mains supply is converted into stable 5V alternating current, and the alternating current is connected to a power interface 3-2.5 of the control module 3 to provide the required 5V alternating current for the alternating current. The power supply module 5 is connected with the control module 3 through a 220V alternating current power supply line and is connected with the control module 3 through a 5V direct current power supply line; the heat dissipation module 1 is connected with the control module 3 through 220V alternating current.
The operation logic of the single chip microcomputer 3-1 is as follows:
A. the initial state (note: the initial state is artificially specified) is set to be the off state of the on-off controller 3-2.2;
B. determine whether the real-time sensor temperature signal inputted from the temperature signal input interface 3-2.1 is higher than the start threshold (note: the start threshold is set manually, and is set to 40 ℃)? If yes, the on-off controller 3-2.2 is placed in a connected state, the fan is started at the same time, and the operation is switched to the current bar C after the time delay is set; if not, repeating the judgment B after delaying the set time;
C. determine whether the real-time sensor temperature signal inputted from the temperature signal input interface 3-2.1 is lower than the stop threshold (note: the stop threshold is set manually, and is set to 15 ℃)? If yes, the on-off controller 3-2.2 is set in an off state, and the previous line is switched to B after a period of time delay; if not, repeating the step C after delaying for a period of time.
The utility model discloses an intelligence rack-type heat abstractor, current relay protection device (from taking heat dissipation and the outer hanging heat abstractor of frame), can form good wind channel, can cover whole radiating relay protection device that needs, can realize advantages such as automatic control. The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Drawings
FIG. 1 is a block diagram illustrating a circuit principle of a rack-mounted heat dissipation device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a position and a structure of a rack-mounted heat sink device according to the present embodiment;
FIG. 3 is a schematic diagram of a power module and a power supply principle of the rack-mounted heat dissipation device of the present embodiment;
FIG. 4 is a logic diagram of the operation of the control module of the present embodiment;
in the figure, 1 is a temperature sensing module, 1-1 is a temperature sensor, 1-2 is a temperature signal transmission line, 2 is a heat dissipation module, 2-1 is a heat dissipation fan, 2-2 is a fan power line, 3 is a control module, 3-1 is a single chip microcomputer, 3-2 is a single chip microcomputer development board, 3-2.1 is a temperature signal input interface, 3-2.2 is an on-off controller, 3-2.3 is a chip slot, 3-2.4 is a display output interface, 3-2.5 is a power interface, 4 is a display unit module, 4-1 is a display, 4-2 is a display signal transmission line, 5 is a power module, 5-1 is a power switch, 5-2 is a transformer element, and 6 is a shell.
Detailed Description
Embodiment intelligent rack type heat dissipation device of transformer substation relay protection device
FIG. 1 is a block diagram illustrating the circuit principle of the rack-mounted heat dissipation device of the present embodiment
The temperature sensing module 1 collects temperature signals and transmits the temperature signals to the control module 3;
the control module 3 is respectively connected with the temperature sensing module 1 and the display unit module 4 through two groups of signal wires;
the heat dissipation module 2 and the power supply module 5 are connected with the control module 3 through a 220V alternating current power supply line;
the control module 3 collects signals of the temperature sensing module 1, outputs the signals to the display module 4 after calculation, controls the on-off of a circuit of the heat dissipation module 2, and drives the fan 2-1 to dissipate heat when the circuit is switched on by the heat dissipation module 2;
the power module 5 respectively provides required electric energy for the control module 3 and the heat dissipation module 2; the power supply module 5 is connected with the control module 3 through a 5V direct current power supply line;
the display unit module 4 displays the signal output by the control module 3 on the display screen 4-1.
FIG. 2 shows the position and structure of the components of the rack-mounted heat sink device of this embodiment
The structure of the intelligent rack-mounted heat dissipation device of the embodiment is as follows: the control module 3 is positioned in the right middle of the shell 6; 2 cooling fans 2-1 of the cooling module 2 are symmetrically positioned at two sides of the control module 3; the display 4-1 of the display unit module 4 is positioned on the front panel of the shell 6, and the external connection wires of the temperature sensing module 1 and the power supply module 5 are led out from the rear panel of the shell 6.
The temperature sensing module 1 comprises a temperature sensor 1-1 and a temperature signal transmission line 1-2. One end of the temperature signal transmission line 1-2 is connected with the interface 1-1 of the temperature sensor, and the other end is connected with the temperature signal input interface 3-2.1 of the singlechip development board 3-2; the temperature sensor 1-1 is arranged outside the shell 6 and positioned on the surface of a measured object to acquire the temperature of the installation position.
The heat dissipation module 2 comprises 2 heat dissipation fans 2-1 and fan power lines 2-2. 2 heat dissipation fans 2-1 are located inside the shell 6, and a power module 5 of the device and an on-off controller 3-2.2 on the singlechip development board 3-2 are connected in series through fan power lines 2-2, so that the work can be started or stopped according to the on-off condition of the controller 3-2.2.
And the control module 3 comprises a singlechip 3-1 and a singlechip development board 3-2. The singlechip development board 3-2 comprises a temperature signal input interface 3-2.1, an on-off controller 3-2.2, a chip slot 3-2.3, a display output interface 3-2.4 and a power interface 3-2.5. The singlechip 3-1 is inserted into a chip slot 3-2.3 of the singlechip development board 3-2; the singlechip development board 3-2 is positioned inside the shell 6; the singlechip 3-1 calculates and generates a start-stop instruction through a real-time signal input by a temperature signal input interface 3-2.1 on the singlechip development board 3-2 to control the on-off state of the on-off controller 3-2.2, and simultaneously the singlechip 3-1 transmits the measured real-time temperature, the set upper and lower temperature thresholds and the running state data of the fan to a display output interface 3-2.4 of the singlechip development board 3-2.
And the display unit module 4 comprises a display 4-1 and a display signal transmission line 4-2. The display 4-1 is positioned on the surface of the shell 6; one end of the display signal transmission line 4-2 is connected with a display output interface 3-2.4 on the singlechip development board 3-2, and the other end is connected with a display 4-1.
The power module 5 comprises a power switch 5-1 and a transformer element 5-2. The power switch 5-1 is located on the surface of the housing 6 and the transformer element 5-2 is located inside the housing 6. The power module 5 is externally connected with 220V alternating current commercial power through a lead and then is divided into two paths for supplying power.
The shell 6 is made of metal, the surfaces of the shell 6 corresponding to the two fan blades at the position of the heat radiation fan 2-1 are provided with openings, and the diameter of the openings is the same as that of the blades of the heat radiation fan 2-1.
FIG. 3 shows the power module 5 and the power supply principle of the present embodiment
The power module 5 is externally connected with 220V alternating current commercial power and then is divided into two paths for power supply: one path is connected to a cooling fan 2-1 through a switch 5-1 to provide 220V alternating current for the cooling fan; and the other path is connected to a transformer 5-2 after passing through a switch 5-1, so that 220V mains supply is converted into stable 5V alternating current, and the stable 5V alternating current is connected to a power interface 3-2.5 of a singlechip development board 3-2 to provide the required 5V alternating current for the singlechip development board.
FIG. 4 shows the operation logic of the single-chip microcomputer of this embodiment
The operation logic of the single chip 3-1 of this embodiment is:
A. the initial state (note: the initial state is artificially specified) is set to be the off state of the on-off controller 3-2.2;
B. determine whether the real-time sensor temperature signal inputted from the temperature signal input interface 3-2.1 is higher than the start threshold (note: the start threshold is set manually, and is set to 40 ℃)? If yes, the on-off controller 3-2.2 is placed in a connected state, the fan is started at the same time, and the operation is switched to the current bar C after the time delay is set; if not, repeating the judgment B after delaying the set time;
c, determine whether the real-time sensor temperature signal inputted from the temperature signal input interface 3-2.1 is lower than the stop threshold (note: the stop threshold is set manually, and is set to 15 ℃)? If yes, the on-off controller 3-2.2 is set in an off state, and the previous line is switched to B after a period of time delay; if not, repeating the step C after delaying for a period of time.
In this embodiment, the temperature sensor 1-1 of the temperature sensing module 1 is DS18B 20; a transformer element 5-2 non-isolated constant voltage transformer of type KP3211 SG; the switch 5-1 is a single-switch single-control switch; the model of the singlechip 3-1 is STC89C 51; the display 4-1 model of the display unit module 4 is an LCD 1602; the model of a cooling fan 2-1 of the cooling module 2 is DP200A P/N2123 XBL; the housing 6 is a standard server 1U size.
Claims (3)
1. An intelligent rack type heat dissipation device of a substation relay protection device comprises a temperature sensing module (1), a heat dissipation module (2), a control module (3), a display unit module (4), a power supply module (5) and a shell (6);
the control module (3), the heat dissipation module (2) and the power supply module (5) are positioned inside the shell (6), and the display unit module (4) is positioned on the front panel of the shell (6); two cooling fans of the cooling module (2) are respectively positioned at two sides of the control module (3); the power module (5) is led out of the shell (6) through a power line leading-out plug; a temperature sensor (1-1) of the temperature sensing module (1) is connected to the inside of the shell (6) through a signal wire and is electrically connected with the control module (3); the temperature sensing module (1) and the display unit module (4) are connected to a singlechip development board of the control module (3) through signal lines;
the temperature sensing module (1) comprises a temperature sensor (1-1) and a temperature signal transmission line (1-2); one end of the temperature signal transmission line (1-2) is connected with the interface of the temperature sensor (1-1), and the other end is connected with the temperature signal input interface (3-2.1) of the singlechip development board (3-2); the temperature sensor (1-1) is positioned on the surface of a measured object to acquire temperature information;
the heat dissipation module (2) comprises 2 heat dissipation fans (2-1) and fan power lines (2-2); 2 heat radiation fans (2-1) are positioned in the shell (6), and are connected with the power module (5) and the on-off controller (3-2.2) on the singlechip development board (3-2) in series through fan power lines (2-2) so as to realize the function of starting or stopping work according to the on-off condition of the controller;
the control module (3) comprises a singlechip (3-1) and a singlechip development board (3-2); the singlechip development board (3-2) comprises a temperature signal input interface (3-2.1), an on-off controller (3-2.2), a chip slot (3-2.3), a display output interface (3-2.4) and a power interface (3-2.5); the singlechip (3-1) is inserted into a chip slot (3-2.3) of the singlechip development board (3-2); the singlechip development board (3-2) is positioned inside the shell (6); the control module (3) is respectively connected with the temperature sensing module (1) and the display unit module (4) through two groups of signal wires;
the display unit module (4) comprises a display (4-1) and a display signal transmission line (4-2); the display (4-1) is positioned on the surface of the shell (6); one end of the display signal transmission line (4-2) is connected with a display output interface (3-2.4) on the singlechip development board (3-2), and the other end is connected with a display (4-1); the display unit module (4) displays the signal output by the control module (3) on a display (4-1);
the power supply module (5) comprises a power switch (5-1) and a transformer element (5-2); the power switch (5-1) is positioned on the surface of the shell (6), and the transformer element (5-2) is positioned inside the shell (6).
2. The intelligent rack type heat dissipation device of the substation relay protection device according to claim 1, wherein the power module (5) is externally connected with 220V alternating current mains supply and then supplies power by two ways: one path is connected to a cooling fan (2-1) through a switch (5-1) and provides 220V alternating current for the cooling fan; and the other path is connected to a transformer (5-2) after passing through a switch (5-1) to convert 220V mains supply into stable 5V alternating current, and is connected to a power interface (3-2.5) of the singlechip development board (3-2) to provide the required 5V alternating current for the singlechip development board.
3. The intelligent rack type heat dissipation device of the substation relay protection device according to claim 1, wherein the housing (6) is made of metal, and holes are formed in the front and rear surfaces of the housing (6) corresponding to the fan surface of the heat dissipation fan (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121317657.2U CN215119792U (en) | 2021-06-08 | 2021-06-08 | Intelligent rack type heat dissipation device of transformer substation relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121317657.2U CN215119792U (en) | 2021-06-08 | 2021-06-08 | Intelligent rack type heat dissipation device of transformer substation relay protection device |
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| Publication Number | Publication Date |
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| CN215119792U true CN215119792U (en) | 2021-12-10 |
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| CN202121317657.2U Active CN215119792U (en) | 2021-06-08 | 2021-06-08 | Intelligent rack type heat dissipation device of transformer substation relay protection device |
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| CN (1) | CN215119792U (en) |
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- 2021-06-08 CN CN202121317657.2U patent/CN215119792U/en active Active
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