CN214450952U - Novel rail vehicle air conditioner electric heating control protection system - Google Patents
Novel rail vehicle air conditioner electric heating control protection system Download PDFInfo
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- CN214450952U CN214450952U CN202022958124.4U CN202022958124U CN214450952U CN 214450952 U CN214450952 U CN 214450952U CN 202022958124 U CN202022958124 U CN 202022958124U CN 214450952 U CN214450952 U CN 214450952U
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Abstract
The utility model discloses a novel rail vehicle air conditioner electrical heating control protection system, include: a central control system; the first control protection module is connected with the central control system in series; the second control protection module is respectively connected with the central control system and the first control protection module, and a first overheating protection device is also connected to the second control protection module; the second control protection module is connected to the electric heating assembly; and the second overheating protection device is connected with the first control protection module and also connected with the electric heating assembly. Which reduces failure rates and maintenance costs.
Description
Technical Field
The utility model relates to a rail transit air conditioning system heats technical field, specificly is a novel rail vehicle air conditioner electrical heating control protection system.
Background
With the development of society, the improvement of science and technology and the improvement of the living standard of people, rail transit vehicles become one of important transportation means for people to go out, and not only have railway rail transit such as high-speed rails, motor cars and ordinary passenger cars, but also have urban rail systems such as subways, light rails and single rails, passengers are concerned about the environmental comfort and the air quality in the carriage when the service requirements are improved, and especially are concerned about the reliability for long-distance traveling vehicles and pedestrians. The environmental comfort and the air quality in the carriage are completely guaranteed by the air conditioning system of the rail vehicle, so that the reliability is especially important for the requirement of high reliability of a refrigerating and heating system while the air conditioning of the rail vehicle is required to develop towards the intelligentized direction. It has many functional differences in the control system compared to the existing rail vehicle air conditioners.
Regarding the air conditioning system of the current rail transit vehicle, the heating function of the fixed-frequency air conditioning unit is realized by controlling electric heating and then matching with a fan system to work, to a certain extent, the components are controlled and managed by a central control system, meanwhile, the overheating protection system is divided into two stages to be executed, the first stage is used as basic control and protection through the central control system, once the overheating protection system of the first stage fails, the overheating protection system of the second stage can work, and the system is directly disconnected, so that the temperature in the closed space of the air conditioning system can be prevented from continuously rising, and potential safety hazards such as fire disasters can be avoided. However, due to the design of secondary overheat protection, the system can be restored to work only after manual jack-up reset, and meanwhile, fault information cannot be sent to a vehicle monitoring system. For a normally running vehicle, the maintainability, reliability and safety are low.
Through special electric heating control protection system, under the condition that the one-level overheat protection became invalid in the normal control process of air conditioning system, the second grade overheat protection need not the manual work and steps on the top to reset after triggering, can not send out unusual "second grade overheat protection unusual" error message to vehicle monitoring system simultaneously, has improved easy maintainability when guaranteeing rail vehicle air conditioning system's normal operating, has reduced fault rate and maintenance and service cost.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the embodiment of the utility model provides a novel rail vehicle air conditioner electrical heating control protection system, its reliability, security and the easy maintainability that can effectual assurance and improve air conditioning system.
In order to achieve the above object, the embodiment of the present application discloses a novel rail vehicle air conditioner electrical heating control protection system, including:
a central control system;
the first control protection module is connected with the central control system in series;
the second control protection module is respectively connected with the central control system and the first control protection module, and a first overheating protection device is also connected to the second control protection module; the second control protection module is connected to the electric heating assembly;
and the second overheating protection device is connected with the first control protection module and also connected with the electric heating assembly.
Preferably, the second overheat protection device comprises a shunt trip device.
Preferably, the second overheat protection device is further provided with a main circuit breaker, and the main circuit breaker is used for controlling the electric heating assembly.
Preferably, the second overheat protection device further comprises an auxiliary contact through which the second overheat protection device uploads fault information to the central control system.
Preferably, the central control system is connected with the vehicle communication management system through a field bus.
The utility model has the advantages as follows:
1. the system can realize effective electric heating control and temperature protection, improve the reliability and safety of the air conditioning system, ensure the normal operation of the system, improve the maintainability and reduce the failure rate and the maintenance cost;
2. when the second overheat protection device breaks down, the second overheat protection device does not need to be reset by climbing the roof, meanwhile, error information of 'abnormal secondary overheat protection' can be sent to the vehicle monitoring system, the second overheat protection device can be used for manually resetting the fault in the control panel, the second overheat protection device does not need to be reset by climbing the roof, and the maintainability and the safety of the system are greatly improved.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a novel rail vehicle air conditioner electric heating control protection system in an embodiment of the present invention;
reference numerals of the above figures:
1. a central control system;
2. a first control protection module; 21. a second overheat protection device;
3. a second control protection module; 31. a first overheat protection device;
4. an electrical heating assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
In the description of the present invention, it should be noted that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
In order to achieve the purpose, the utility model provides a novel rail vehicle air conditioner electrical heating control protection system.
In the present embodiment, please refer to fig. 1, a central control system 1;
the first control protection module 2 is connected with the central control system 1 in series;
the second control protection module 3, the second control protection module 3 is respectively connected with the central control system 1 and the first control protection module 2, and the second control protection module 3 is further connected with a first overheating protection device 31; the second control protection module 3 is connected to the electric heating assembly 4;
a second overheating protection device 21, wherein the second overheating protection device 21 is connected with the first control protection module 2, and the second overheating protection device 21 is further connected with the electric heating assembly 4.
The second overheating protection device 21 includes a shunt trip device.
Further, a main circuit breaker is further arranged on the second overheating protection device 21, and the main circuit breaker is used for controlling the electric heating assembly 4.
Further, the second overheating protection device 21 further includes an auxiliary contact through which the second overheating protection device 21 uploads fault information to the central control system 1.
Further, the central control system 1 is connected with a vehicle communication management system through a field bus.
By means of the structure, the central control system 1 is connected with the second control protection module 3 and the first overheating protection device 31, the states of the second control protection module 3 and the first overheating protection device 31 are monitored and controlled in real time, the control of the electric heating assembly 4 is managed, meanwhile, the central control system is connected with a vehicle communication management system through a field bus, information and data are provided for a vehicle in real time, and meanwhile, the vehicle controls and manages the operation of an air conditioning system in real time.
The first control protection module 2 and the second control protection module 3 monitor and control the second-stage overheat protection device and the electric heating component 4 in real time, and simultaneously feed back information to the central control system 1.
The first overheating protection device 31 controls the second control protection module 3 in real time according to the current working condition of the electric heating assembly 4, and simultaneously feeds back information to the central control system 1.
The novel rail vehicle air conditioner electric heating control protection system further comprises a three-phase high-voltage power supply system, and the three-phase high-voltage power supply system provides electric power support for the work of the whole electric heating assembly 4.
The novel rail vehicle air conditioner electric heating control protection system further comprises a power supply system for monitoring.
The power supply system monitors the three-phase high-voltage power supply system in real time and provides auxiliary judgment information for the control of the electric heating assembly 4 and the work of the overheat protection system.
The central control system 1 is connected with the first control protection module 2 and the second overheating protection device 21, monitors and controls the states of the first control protection module 2 and the second overheating protection device 21 in real time, manages the control of the electric heating assembly 4, is connected with the vehicle communication management system through a field bus, provides information and data for the vehicle in real time, and simultaneously controls and manages the operation of the air conditioning system in real time. The fault caused by the triggering of the second overheating protection device 21 can be reported to the central control system 1 in real time and is finally connected to a vehicle network, and because the shunt tripping device, the main circuit breaker and the auxiliary contacts are arranged on the second overheating protection device 21, the fault of the second overheating protection device 21 can be manually reset without logging on.
The second overheat protection device 21 uses a control mode of shunt tripping, the second overheat protection device 21 is installed on an air conditioner control panel, the electric heating assembly 4 is controlled by a main circuit breaker, meanwhile, the second overheat protection device is connected into an electric heating loop through shunt control, once the second overheat protection device works under the abnormal condition of electric heating, the shunt tripping device can drive the main circuit breaker to switch off the electric heating loop at the same time after being triggered, the continuous work temperature rise of the electric heating is avoided, meanwhile, fault information is uploaded to the central control system 1 in time through an auxiliary contact, and the central control system 1 can report to a TCMS system through a vehicle network. The control mode not only achieves the purpose of timely and safe control, but also can carry out manual reset operation on faults in the control panel without logging on the top, and greatly improves the maintainability and the safety of the system.
According to the control protection theory, effective electric heating control and temperature protection can be realized, the reliability and the safety of the air conditioning system are improved, the normal operation of the system is ensured, the maintainability is improved, and the failure rate and the maintenance cost are reduced.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (5)
1. The utility model provides a novel rail vehicle air conditioner electrical heating control protection system which characterized in that includes:
a central control system;
the first control protection module is connected with the central control system in series;
the second control protection module is respectively connected with the central control system and the first control protection module, and a first overheating protection device is also connected to the second control protection module; the second control protection module is connected to the electric heating assembly;
and the second overheating protection device is connected with the first control protection module and also connected with the electric heating assembly.
2. The novel rail vehicle air conditioner electric heating control protection system of claim 1, wherein the second overheat protection means comprises a shunt trip.
3. A novel electric heating control protection system for air conditioners of railway vehicles as claimed in claim 1, wherein the second overheat protection means is further provided with a main circuit breaker for controlling the electric heating assembly.
4. A novel rail vehicle air conditioning electric heating control protection system as claimed in claim 1, wherein said second overheat protection means further comprises an auxiliary contact through which said second overheat protection means uploads fault information to said central control system.
5. The novel rail vehicle air conditioner electric heating control protection system as claimed in claim 1, wherein the central control system and the vehicle communication management system are connected through a field bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022958124.4U CN214450952U (en) | 2020-12-09 | 2020-12-09 | Novel rail vehicle air conditioner electric heating control protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022958124.4U CN214450952U (en) | 2020-12-09 | 2020-12-09 | Novel rail vehicle air conditioner electric heating control protection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214450952U true CN214450952U (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022958124.4U Active CN214450952U (en) | 2020-12-09 | 2020-12-09 | Novel rail vehicle air conditioner electric heating control protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214450952U (en) |
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2020
- 2020-12-09 CN CN202022958124.4U patent/CN214450952U/en active Active
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