CN214960786U - Thermal management system for railway locomotive transmission control cabinet - Google Patents
Thermal management system for railway locomotive transmission control cabinet Download PDFInfo
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- CN214960786U CN214960786U CN202121497657.5U CN202121497657U CN214960786U CN 214960786 U CN214960786 U CN 214960786U CN 202121497657 U CN202121497657 U CN 202121497657U CN 214960786 U CN214960786 U CN 214960786U
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- control cabinet
- transmission control
- management system
- thermal management
- temperature sensor
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 title claims abstract description 53
- 238000004891 communication Methods 0.000 claims abstract description 23
- 230000036760 body temperature Effects 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
A heat management system for a transmission control cabinet of a railway locomotive comprises a fixed support, a control main board, more than three fans, a relay, a connecting wire, an indicator light, a power supply interface, a communication interface, an internal temperature sensor and a cabinet body temperature sensor; the control main board, the fan, the relay, the indicator lamp, the power interface, the communication interface and the internal temperature sensor are all arranged on the fixed support, and the cabinet body temperature sensor is arranged on the outer surface of the transmission control cabinet of the railway locomotive; the control main board is connected with the relay, the indicator light, the power interface, the communication interface, the internal temperature sensor and the cabinet body temperature sensor through connecting wires; the relay is also connected with the fan through a connecting wire and used for controlling the switch of the fan; the power interface is also connected with the relay through a connecting wire. The utility model can monitor the temperature and the heat dissipation condition in the transmission control cabinet of the railway locomotive in real time; still possess the communication function to reduce the work load of artifical patrolling and examining.
Description
Technical Field
The utility model belongs to the technical field of electric locomotive control, concretely relates to a thermal management system for railway locomotive transmission control cabinet.
Background
The locomotive transmission control cabinet is an important component of a railway locomotive control circuit, and mainly has the functions of realizing traction, brake control, logic protection and the like of the locomotive by controlling the state of a motor.
The locomotive control cabinet is arranged in a mechanical room of the locomotive, and the space in the mechanical room is narrow and closed. The inner cabinet of the control cabinet is sealed, so that corrosion of corrosive gas and invasion of fungi and mold can be effectively resisted, and higher requirements on system heat dissipation are provided.
Therefore, the control cabinet is internally matched with a forced air cooling system for heat dissipation of the control cabinet, forced air cooling needs to be configured for heat management balance, internal PCB surface convection is enhanced, and local hot spots are prevented.
At present, a forced air cooling system is provided with 2 fans, and each fan only has one fuse wire as protection. When the fan damages, can only look over through the pilot lamp on the panel whether damage, need often pass through on-the-spot inspection and can discover like this. After the fan is damaged, the air volume is reduced, the temperature in the control cabinet is increased, local overheating burn elements are caused, and the PCB electronic plug-in and the elements in the control cabinet case can be failed or reduced along with the increase of the environmental temperature, so that the performance of the whole locomotive control cabinet is influenced.
Meanwhile, the locomotive runs across the south and north, and the climate difference in four seasons is large, so that the environmental temperature difference in the locomotive is also large, particularly in winter, the environmental temperature is low, the system temperature rise of the control cabinet is relatively high, and the heat balance can be realized without forced air cooling sometimes.
In the field of electric locomotive control in China, a control device with multiple modes is formed, different types of locomotives (with 4 shafts, 6 shafts and 8 shafts) have different numbers of PCB electronic plug-ins in a control cabinet, the total heat dissipation power is different, and the required heat dissipation power and the required ventilation volume are also different. And a lot of inconvenience is brought to the production, application and maintenance of the thermal management system.
Accordingly, there is a need to design a new thermal management system for a railroad locomotive transmission control cabinet.
Disclosure of Invention
An object of the utility model is to provide a thermal management system for railway locomotive transmission control cabinet to the thermal management system who solves the present locomotive transmission control cabinet that proposes in the background art sets up unreasonable problem.
In order to achieve the purpose, the utility model provides a heat management system for a transmission control cabinet of a railway locomotive, which comprises a fixed bracket, a control mainboard, more than three fans, relays with the same number as the fans, connecting wires, an indicator light, a power interface, a communication interface, an internal temperature sensor and a cabinet body temperature sensor;
the control main board, the fan, the relay, the indicator lamp, the power interface, the communication interface and the internal temperature sensor are all arranged on the fixed support, and the cabinet body temperature sensor is arranged on the outer surface of the transmission control cabinet of the railway locomotive; the control main board is connected with the relay, the indicator light, the power interface, the communication interface, the internal temperature sensor and the cabinet body temperature sensor through connecting wires; the relay is also connected with the fan through a connecting wire and used for controlling the switch of the fan; the power interface is also connected with the relay through a connecting wire.
In a specific embodiment, the fixing bracket is arranged on the control cabinet, and the fixing bracket comprises a fixing bottom plate, and a through hole for installing the fan is arranged on the fixing bottom plate.
In a specific embodiment, the communication interface is an RS485 interface.
In a specific embodiment, the indicator lights include a fan fault indicator light, a temperature anomaly indicator light, and a cabinet temperature sensor fault indicator light.
In one specific embodiment, the thermal management system for the transmission control cabinet of the railway locomotive is arranged right below the transmission control cabinet of the railway locomotive.
In a specific embodiment, the thermal management system for the railway locomotive transmission control cabinet is detachably arranged right below the railway locomotive transmission control cabinet through bolts.
In a specific embodiment, the control main board comprises a control chip, a current sensor, an AD conversion circuit and a relay drive circuit.
In a specific embodiment, the heat management system for the transmission control cabinet of the railway locomotive comprises 3-5 fans and 3-5 relays.
In a specific embodiment, the fan is detachably arranged on the fixed support through bolts.
In a specific embodiment, the power interface is integrated with the communication interface at the same location.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model can monitor the temperature and the heat dissipation condition in the transmission control cabinet of the railway locomotive in real time; still possess the communication function to reduce the work load of artifical patrolling and examining.
The utility model discloses an at least 2 with 1 fan setting modes of being equipped with, damage the back when one of them fan that is using, can launch reserve fan and continue work to ensure the locomotive transmission control cabinet and still have good heat dissipation condition, provide the reliability and the correlation performance of the PCB electronic plug-in components in the locomotive transmission control cabinet.
The utility model discloses to the railway locomotive transmission control cabinet of different grade type, adopt general thermal management system, can further improve reliability and reduce cost, again can conveniently maintain.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic top view of an embodiment of the present invention;
fig. 2 is a schematic front view of an embodiment of the present invention;
fig. 3 is a schematic left-side view of an embodiment of the present invention;
fig. 4 is a system diagram of a control motherboard according to an embodiment of the present invention;
wherein, 1, fixing the bracket; 2. a control main board; 3. a fan; 4. a relay; 5. an indicator light; 6. a power interface; 7. a communication interface; 8. an internal temperature sensor; 51. a fan fault indicator light; 52. a temperature anomaly indicator light; 53. cabinet body temperature sensor trouble pilot lamp.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1
The utility model provides a thermal management system for a railway locomotive transmission control cabinet, which comprises a fixed bracket 1, a control mainboard 2, more than three fans 3, relays 4 with the same number as the fans, connecting wires, an indicator lamp 5, a power supply interface 6, a communication interface 7, an internal temperature sensor 8 and a cabinet body temperature sensor;
the control main board 2, the fan 3, the relay 4, the indicator lamp 5, the power interface 6, the communication interface 7 and the internal temperature sensor 8 are all arranged on the fixed support 1, and the cabinet body temperature sensor is arranged on the outer surface of the transmission control cabinet of the railway locomotive; the control main board 2 is connected with the relay 4, the indicator lamp 5, the power interface 6, the communication interface 7, the internal temperature sensor 8 and the cabinet body temperature sensor through connecting wires; the relay 4 is also connected with the fan 3 through a connecting wire and is used for controlling the switch of the fan 3; the power supply interface 6 is also connected with the relay 4 through a connecting lead.
And the relay 4 is used for controlling the working start and stop of the fan. The power interface 6 is connected with a power supply in the transmission control cabinet of the railway locomotive to ensure the work of the heat management system. The internal temperature sensor 8 is used to measure the temperature of the thermal management system. The cabinet body temperature sensor is used for measuring the ambient temperature on the surface of the transmission control cabinet of the railway locomotive. The difference between the temperature sensor of the cabinet body and the internal temperature sensor is the system temperature rise value which is used for calculating the heat dissipation capacity of the transmission control cabinet of the railway locomotive. Judging whether the natural heat dissipation of the transmission control cabinet of the railway locomotive meets the requirements, if so, starting a fan is not needed; and if the air quantity does not meet the requirement, calculating the air quantity of the fan of the whole thermal management system, and starting the fan according to the requirement.
In a specific embodiment, the fixing bracket 1 is arranged on the control cabinet, and the fixing bracket 1 includes a fixing bottom plate, and a through hole for installing the fan is arranged on the fixing bottom plate.
In a specific embodiment, the communication interface 7 is an RS485 interface. Fan operating current and the fault signal who obtains that gather the temperature, current sensor that gather through this communication interface 7 with each temperature sensor send away, realize the monitoring of fan operating condition and temperature, through serial ports communication outside information of sending, during the thermal management system trouble, need not patrol and examine through the manual work to reduce the manual work and patrol and examine work load.
In a specific embodiment, the indicator lights 5 include a fan fault indicator light 51, a temperature anomaly indicator light 52, and a cabinet temperature sensor fault indicator light 53. The indicator lights are used for indicating the working state of the fan, the temperature state and the state of the temperature sensor respectively.
In one specific embodiment, the thermal management system for the transmission control cabinet of the railway locomotive is arranged right below the transmission control cabinet of the railway locomotive. The heat generated by the power supply thermal power of the PCB electronic plug-in the control cabinet is forced to convect, press and flow for heat exchange by the fan, so that the temperature of each PCB electronic plug-in the control cabinet is reduced.
In a specific embodiment, the thermal management system for the railway locomotive transmission control cabinet is detachably arranged right below the railway locomotive transmission control cabinet through bolts.
In a specific embodiment, the control main board 2 includes a control chip, a current sensor, an AD conversion circuit, and a relay driving circuit. The control chip is used for processing operation of the core. The current sensor is used for detecting the working current condition of the 3-path fan; the relay driving circuit is used for driving an external relay and controlling the fan to realize the start-stop and air volume control of the fan; the AD conversion circuit is responsible for converting the current and temperature analog signals into digital signals.
In a specific embodiment, the heat management system for the transmission control cabinet of the railway locomotive comprises 3-5 fans 3 and 3-5 relays 4. Wherein 2 at least fans and the relay that corresponds are as daily use, and 1 at least fan and the relay that corresponds are as reserve, and when taking place to damage as daily use's fan, control mainboard 2 starts reserve fan and the relay that corresponds and carries out work to guarantee that locomotive transmission control cabinet still has good heat dissipation condition.
In a specific embodiment, the fan 3 is detachably mounted on the fixing bracket by means of bolts.
In a specific embodiment, the power interface 6 is integrated in the same location as the communication interface 7.
The control main board collects the working current of each fan and monitors the working state of the fan; if the current of a certain path of fan is monitored to be larger than a set value or 0 for a long time, judging that the path of fan has a fault, closing a relay of the path of fan, stopping the path of fan from working, lightening a fan fault indicating lamp, and sending fault information to a railway locomotive transmission control cabinet through an RS485 interface; meanwhile, the standby fan is started to work by a relay for starting the standby fan.
The control main board collects a temperature sensor signal of the cabinet body and monitors the temperature state in the transmission control cabinet of the railway locomotive; if the monitored temperature is abnormal, lightening a temperature abnormality indicating lamp, and sending fault information to a railway locomotive transmission control cabinet through an RS485 interface; and simultaneously, starting the standby fan to cool, if the temperature is abnormal after more than 3 fans work simultaneously for 1 hour, judging that the temperature sensor of the cabinet body has faults, lightening a fault indicator lamp of the temperature sensor of the cabinet body, and sending fault information to the transmission control cabinet of the railway locomotive through an RS485 interface.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. The heat management system for the transmission control cabinet of the railway locomotive is characterized by comprising a fixed support (1), a control main board (2), more than three fans (3), relays (4) with the same number as the fans, connecting wires, an indicator lamp (5), a power supply interface (6), a communication interface (7), an internal temperature sensor (8) and a cabinet body temperature sensor;
the control main board (2), the fan (3), the relay (4), the indicator lamp (5), the power interface (6), the communication interface (7) and the internal temperature sensor (8) are all arranged on the fixed support (1), and the cabinet body temperature sensor is arranged on the outer surface of the transmission control cabinet of the railway locomotive; the control main board (2) is connected with the relay (4), the indicator lamp (5), the power interface (6), the communication interface (7), the internal temperature sensor (8) and the cabinet body temperature sensor through connecting wires; the relay (4) is also connected with the fan (3) through a connecting wire and is used for controlling the switch of the fan (3); the power interface (6) is also connected with the relay (4) through a connecting wire.
2. The thermal management system for a railway locomotive transmission control cabinet according to claim 1, characterized in that the fixing bracket (1) is arranged on the control cabinet, the fixing bracket (1) comprises a fixing bottom plate, and a through hole for installing a fan is arranged on the fixing bottom plate.
3. The thermal management system for a railroad locomotive transmission control cabinet according to claim 1, characterized in that said communication interface (7) is an RS485 interface.
4. The thermal management system for a railroad locomotive transmission control cabinet according to claim 1, characterized in that the indicator lights (5) comprise a fan fault indicator light (51), a temperature anomaly indicator light (52) and a cabinet temperature sensor fault indicator light (53).
5. The thermal management system for a railroad locomotive transmission control cabinet of claim 1, wherein the thermal management system for a railroad locomotive transmission control cabinet is disposed directly below a railroad locomotive transmission control cabinet.
6. The thermal management system for a railroad locomotive transmission control cabinet according to claim 5, wherein the thermal management system for a railroad locomotive transmission control cabinet is removably disposed directly beneath the railroad locomotive transmission control cabinet by bolts.
7. The thermal management system for a railroad locomotive transmission control cabinet according to claim 1, characterized in that the control main board (2) comprises a control chip, a current sensor, an AD conversion circuit and a relay drive circuit.
8. The thermal management system for a railroad locomotive transmission control cabinet according to claim 1, characterized in that the thermal management system for a railroad locomotive transmission control cabinet comprises 3-5 fans (3) and 3-5 relays (4).
9. The thermal management system for a railroad locomotive transmission control cabinet according to claim 1, characterized in that the fan (3) is removably mounted on a fixed support by means of bolts.
10. The thermal management system for a railroad locomotive transmission control cabinet according to claim 1, characterized in that the power interface (6) is integrated in the same location as the communication interface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497657.5U CN214960786U (en) | 2021-07-01 | 2021-07-01 | Thermal management system for railway locomotive transmission control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497657.5U CN214960786U (en) | 2021-07-01 | 2021-07-01 | Thermal management system for railway locomotive transmission control cabinet |
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| Publication Number | Publication Date |
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| CN214960786U true CN214960786U (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121497657.5U Expired - Fee Related CN214960786U (en) | 2021-07-01 | 2021-07-01 | Thermal management system for railway locomotive transmission control cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115454173A (en) * | 2022-09-30 | 2022-12-09 | 中车青岛四方车辆研究所有限公司 | Automatic temperature control 7U case and temperature control method |
-
2021
- 2021-07-01 CN CN202121497657.5U patent/CN214960786U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115454173A (en) * | 2022-09-30 | 2022-12-09 | 中车青岛四方车辆研究所有限公司 | Automatic temperature control 7U case and temperature control method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |