CN216531375U - Remote control and monitoring system for air conditioning system of railway vehicle - Google Patents
Remote control and monitoring system for air conditioning system of railway vehicle Download PDFInfo
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- CN216531375U CN216531375U CN202220092624.0U CN202220092624U CN216531375U CN 216531375 U CN216531375 U CN 216531375U CN 202220092624 U CN202220092624 U CN 202220092624U CN 216531375 U CN216531375 U CN 216531375U
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Abstract
The utility model provides a remote control and monitoring system of a rail vehicle air conditioning system. The method comprises the following steps: an air conditioning unit; the sensing system comprises: is connected with each air conditioning unit; a master controller: sending a control instruction to the air conditioning units of each carriage, connecting the control instruction with the sensors, and acquiring the state data of each air conditioning unit acquired by the sensors; the main controllers in each carriage are connected; the Internet of things module: the main controllers of all the carriages are connected; cloud server: the Internet of things module is connected with the Internet of things module; PC end and mobile terminal: the control commands to the air conditioning units are sent to the corresponding main controllers through the cloud server. According to the remote control and monitoring system for the air conditioner of the railway vehicle, technicians and passengers can acquire field data of the air conditioner of the train, perform work such as program updating and fault monitoring based on the system, can perform real-time early warning, avoid management careless omission and improve the riding comfort of the passengers.
Description
Technical Field
The utility model relates to the technical field of train air-conditioning control, in particular to a remote control and monitoring system for an air-conditioning system of a railway vehicle.
Background
The air conditioner is used as an important component of an urban rail train, and daily maintenance and troubleshooting of the air conditioner are important means for ensuring the running reliability of the train.
In the prior art, the following problems exist in routine maintenance and troubleshooting of a train air conditioning system: 1. the troubleshooting means of the urban rail air conditioner usually depends on technicians with abundant experience to analyze and troubleshoot according to the fault phenomenon on site, and the technicians need to climb the roof to operate, so that the troubleshooting time is usually long, and the fault phenomenon of part of the technicians is not obvious, thereby bringing great difficulty to the field troubleshooting personnel; 2. in daily maintenance, the urban rail air conditioner control program needs to be updated by a professional to lift the roof and disassemble the air conditioner cover plate and then be connected with the air conditioner control cabinet through a network cable to transmit the update program, so that the operation is inconvenient.
In addition, the temperature control of current track traffic train air conditioner is adjusted in real time by the change of the inside external environment of system, and the passenger can't carry out carriage control by temperature change setting according to self needs, and the passenger also can't learn the inside concrete environment operating mode in current carriage simultaneously, has reduced passenger's passenger travelling comfort and experience to a certain extent and has felt.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solve one of the above problems, and provides a remote control and monitoring system for an air conditioning system of a rail vehicle, which is capable of remotely controlling and maintaining the air conditioning system of a train.
In order to solve the above problems, the present invention provides the following technical solutions:
a rail vehicle air conditioning system remote control and monitoring system, comprising:
an air conditioning unit: is arranged in each carriage;
a sensing system: the system is connected with each air conditioning unit and used for collecting state data of each air conditioning unit;
a master controller: the main controllers in each carriage are connected with the air conditioning units corresponding to each carriage, and are used for issuing control instructions to the air conditioning units of each carriage, connecting with the sensors and acquiring the state data of each air conditioning unit, which are acquired by the sensors; the main controllers in each carriage are connected through a vehicle local area network;
the Internet of things module: the main controllers of all the carriages are connected through Ethernet;
cloud server: the Internet of things module is connected with the Internet of things module through a wireless network;
a PC terminal: the system is connected with a cloud server through a wireless network to obtain state data of each air conditioning unit, and a PC end user can issue control instructions or program updating instructions of each air conditioning unit to a corresponding main controller through the cloud server through the PC end;
a mobile terminal: the control system is connected with the cloud server through a wireless network, acquires state data of each air conditioning unit, and transmits control instructions of each air conditioning unit to a corresponding main controller through the cloud server; the mobile terminal includes but is not limited to a passenger cell phone.
In some embodiments of the present invention, the mobile terminal is a passenger mobile phone.
In some embodiments of the utility model, the sensing system includes, but is not limited to: a temperature sensor, a humidity sensor, a CO2 concentration sensor, a PM2.5 sensor, a pressure difference sensor, a voltage sensor and a current sensor; the temperature sensors comprise an air supply system temperature sensor, an air return temperature sensor, an exhaust temperature sensor, an outer disc temperature sensor, an inner disc temperature sensor, a fresh air temperature sensor and an air return temperature sensor; the voltage sensor includes: an air conditioning system voltage sensor; the current sensor comprises a compressor current sensor, a ventilator current sensor and a condensing fan current sensor.
In some embodiments of the present invention, the sensing system further comprises an analog current conversion unit;
data detected by the air conditioning system voltage sensor, the compressor current sensor, the ventilator current sensor and the condensation fan current sensor are transmitted to the analog current conversion unit, converted into analog current data and transmitted to the main controller, and the main controller generates corresponding fault signals according to the received analog current data.
In some embodiments of the present invention, the sensing system further comprises an analog temperature conversion unit;
the data detected by the air supply system temperature sensor, the return air temperature sensor, the exhaust temperature sensor, the outer disc temperature sensor and the inner disc temperature sensor are transmitted to the analog temperature conversion unit, converted into analog temperature data and transmitted to the main controller; and the master controller generates a corresponding fault signal according to the received analog temperature data.
In some embodiments of the present invention, the system further comprises a first communication detection unit for detecting the communication status of the CO2 concentration sensor and the PM2.5 sensor with the master controller, and feeding back the communication status data to the master controller.
In some embodiments of the present invention, the system further includes a second communication detection unit, configured to detect a communication status between the air conditioning unit and the master controller, and feed back communication status data to the master controller.
The method and the system provided by the utility model have the beneficial effects that:
(1) according to the remote control and monitoring system for the air conditioner of the railway vehicle, technicians and passengers can acquire field data of the air conditioner of the train, and perform work such as program updating, fault monitoring and the like based on the system. The system can avoid manual overhaul and omission of managers, realize real-time early warning and reduce the maintenance cost of the train air conditioning unit.
(2) The dynamic operation adjustment capability is provided. When the external environment appeared obvious change (for example, the weather sudden change, drive into the tunnel etc.), the passenger can participate in control such as rail train air conditioning unit operational mode and temperature through WEB end and cell-phone APP end, the passenger not only can look over the state such as humiture in current carriage in real time, can be according to self needs forward in participating in the control of train air conditioner simultaneously, it is mutual inductance to increase man-machine traffic under the condition that promotes the train comfort level, can satisfy passenger's travelling comfort demand, improve the satisfaction that the passenger experienced by bus.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a structural diagram of a remote control and monitoring system of an air conditioning system of a railway vehicle according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "disposed on," "connected to" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The terms "first" and "second" are used for descriptive purposes only and are not intended to imply relative importance.
The utility model provides a remote control and monitoring system for a rail vehicle air conditioning system, which can be used for remote maintenance, fault monitoring and the like of the rail vehicle air conditioning system.
Structure of the system referring to fig. 1, comprising: air conditioning unit, sensing system, master controller, thing networking module, high in the clouds server, PC end and mobile terminal.
An air conditioning unit: is arranged in each carriage; the air conditioning unit mainly includes: the system comprises a compressor, a gas-liquid separator, a condenser, a condensing fan, a drying filter, a frequency converter, an evaporator, a ventilator and other key parts. An independent air conditioning unit can be arranged in each carriage and used for independently controlling the temperature state in each carriage.
A sensing system: the system is connected with each air conditioning unit and used for collecting state data of each air conditioning unit; the sensing system may be selectively set as desired.
The sensing system may be optionally configured, and in some embodiments of the utility model, the sensing system includes, but is not limited to: a temperature sensor, a humidity sensor, a CO2 concentration sensor, a PM2.5 sensor, a pressure difference sensor, a voltage sensor and a current sensor; the temperature sensors comprise an air supply system temperature sensor, an air return temperature sensor, an exhaust temperature sensor, an outer disc temperature sensor, an inner disc temperature sensor, a fresh air temperature sensor and an air return temperature sensor; the voltage sensor includes: an air conditioning system voltage sensor; the current sensor comprises a compressor current sensor, a ventilator current sensor and a condensing fan current sensor.
A master controller: the main controllers in each carriage are connected with the air conditioning units corresponding to each carriage, and are used for issuing control instructions to the air conditioning units of each carriage, connecting with the sensors and acquiring the state data of each air conditioning unit, which are acquired by the sensors; the main controllers in each carriage are connected through a vehicle local area network. As mentioned above, the air conditioning units in each car can be independently controlled, and the main controller in each car can realize the independent control function of the air conditioning units.
The Internet of things module: the main controllers of all the carriages are connected through Ethernet; the communication between the internet of things module and the master controller is bidirectional, the data of the master controller can be uploaded to the internet of things module, and the internet of things module can also send the data of the air conditioner to the corresponding air conditioning unit through the master controller.
Cloud server: the Internet of things module is connected with the Internet of things module through a wireless network; the communication between the cloud server and the Internet of things module is also bidirectional, the Internet of things module can upload data acquired from the master controller to the cloud server, and the cloud server can also issue data of the air conditioning unit to the Internet of things module. The Internet of things module and the cloud server have a data transfer function.
A PC terminal: the system is connected with a cloud server through a wireless network, state data of each air conditioning unit is obtained, state monitoring is carried out in real time, and a PC end user can issue control instructions or program updating instructions of each air conditioning unit to a corresponding main controller through the cloud server through a PC end;
a mobile terminal: the mobile terminal user can send control instructions to each air conditioning unit to the corresponding main controller through the cloud server.
After the state data of the air conditioning unit are acquired and obtained by the PC terminal and the mobile terminal, the data can be further analyzed and fault early-warning is carried out, and a control instruction is generated based on a fault result, so that the remote closed-loop control of detection, transmission, processing and analysis of the air conditioning system is realized.
The form of the mobile terminal is not limited, and in a preferred embodiment, the mobile terminal is a passenger mobile phone.
The mode of the wireless network is not limited, and in this embodiment, the wireless network may be a 4G or WiFi network.
The PC end is a webpage end correspondingly, the mobile terminal is a mobile phone client correspondingly, and a worker or a passenger can be connected to the Internet of things cloud platform through the Internet to carry out interactive control on the module, so that the control and the monitoring on the air conditioner master controller are realized. The working personnel can carry out remote control and control program updating on the train air conditioner; passenger's accessible cell-phone APP end looks over the inside temperature, humidity, CO2 concentration etc. in current carriage, can feed back current carriage comfort level to thing networking data platform simultaneously, and the system can combine current operating mode back regulation current carriage temperature according to passenger's feedback to promote the travelling comfort in current carriage.
In order to more accurately monitor the fault of the air conditioning system, in some embodiments of the present invention, the sensing system further includes an analog current conversion unit;
data detected by the air conditioning system voltage sensor, the compressor current sensor, the ventilator current sensor and the condensation fan current sensor are transmitted to the analog current conversion unit, converted into analog current data and transmitted to the main controller, and the main controller generates corresponding fault signals according to the received analog current data.
In some embodiments of the present invention, the sensing system further comprises an analog temperature conversion unit;
data detected by the air supply system temperature sensor, the return air temperature sensor, the exhaust temperature sensor, the outer disc temperature sensor and the inner disc temperature sensor are transmitted to the analog temperature conversion unit, converted into analog temperature data and transmitted to the main controller; and the master controller generates a corresponding fault signal according to the received analog temperature data.
In some embodiments of the present invention, the system further comprises a first communication detection unit for detecting the communication status of the CO2 concentration sensor and the PM2.5 sensor with the master controller, and feeding back the communication status data to the master controller.
In some embodiments of the present invention, the system further includes a second communication detection unit for detecting a communication status between the air conditioning unit and the master controller, and feeding back the communication status data to the master controller.
Based on the structure, the implementation of the system for monitoring the fault of the train air conditioning system can be summarized as follows, and the following faults can be reflected on the PC end and the mobile terminal.
(1) Air supply system temperature sensor trouble: the detected temperature sensor of the air supply system is processed by the analog quantity module and then is transmitted back to the main controller, and the data is larger than a set threshold (such as 1000 ℃), which indicates that a fault exists.
(2) Outer plate temperature sensor failure: the detected data of the outer disk sensor is processed by the analog quantity module and then is transmitted back to the main controller, and the data is larger than a set threshold (such as 1000 ℃), which indicates that a fault exists.
(3) Inner disc temperature sensor failure: and detecting that the data of the inner disc temperature sensor is processed by the analog quantity module and then transmitted back to the main controller, wherein the data is larger than a set threshold (such as 1000 ℃), and indicating that a fault exists.
(4) Exhaust temperature sensor failure: the data of the exhaust temperature sensor is processed by the analog quantity module and then transmitted back to the main controller, and the data is larger than a set threshold (such as 1000 ℃), which indicates that a fault exists.
(5) CO2 concentration sensor failure: no communication between the CO2 concentration sensor and the master controller exists, and the data transmitted back to the master controller by the sensor is larger than a reference value, which indicates that a fault exists.
(6) And (3) a PM2.5 sensor fault (no communication exists between the sensor and the controller and data processed by the analog quantity module and transmitted back to the main controller by the sensor is larger than a reference value) indicates that a fault exists.
(7) Failure of the differential pressure sensor: and detecting that the data of the differential pressure sensor is processed by the analog quantity module and then transmitted back to the main controller, wherein the data is greater than a threshold value, and the existence of a fault is indicated.
(8) Failure of the fresh air temperature sensor: the detected fresh air temperature sensor is transmitted back to the main controller, and the data is larger than a set threshold (such as 1000 ℃), which indicates that a fault exists.
(9) Failure of return air temperature sensor: the detected return air temperature sensor returns data which are larger than a set threshold (such as 1000 ℃) to the main controller, and the existence of the fault is indicated.
(10) Failure of the condenser: after the condensing fan is in failure, the thermal relay can trip due to overcurrent heating, and a low level signal is given to the main controller.
(11) Compressor high pressure failure: the high-voltage switch of the compressor is conducted because the pressure is higher than the threshold value, and then a level signal is given to the main controller.
(12) Low-pressure failure of the compressor: the low-voltage switch of the compressor is conducted due to the fact that the pressure is lower than the threshold value, and then a level signal is given to the main controller.
(13) Failure of the ventilator: after the ventilator fails, the thermal relay can trip due to overcurrent heating, and a low level signal is sent to the main controller.
(14)380V undervoltage, overvoltage and open-phase faults: the phase sequence protector detects the anomaly and gives a high level signal to the controller.
(15) Communication failure: no communication signal exists in the A path and the B path between the main controller and the air conditioner.
(16) And (3) system voltage failure: the voltage sensor converts the detected data into corresponding analog quantity (current), and the analog quantity (current) is processed by the analog quantity module and then transmits the data to the main controller for analysis and operation.
(17) The compressor current sensor converts the detected data into corresponding analog quantity (current), and the analog quantity (current) is processed by the analog quantity module and then transmits the data to the main controller for analysis and operation; when the current data transmitted back to the main controller by the current sensor is larger than the reference value, the fault exists.
(18) The ventilator current sensor converts the detected data into corresponding analog quantity (current), and the analog quantity (current) is processed by the analog quantity module and then transmits the data to the main controller for analysis and operation.
(19) The current sensor of the condensing fan converts the detection data into corresponding analog quantity (current), and the analog quantity (current) is processed by the analog quantity module and then transmits the data to the main controller for analysis and operation.
According to the system provided by the utility model, monitoring values such as current, voltage, temperature and humidity are uploaded to a network cloud platform through an Internet of things module in the forms of 4G network, WIFI or Ethernet and the like for maintenance personnel to overhaul and passengers to check reference; meanwhile, the maintainers can also issue state control commands, upgrade maintenance programs and the like through the network cloud platform according to a protocol mechanism to realize the remote debugging and maintenance functions. After the reference standard threshold values of the state quantities are set at the platform end of the network Internet of things, train maintenance personnel can check whether the air conditioning system works abnormally or not in real time at the background so as to process faults in time. Meanwhile, the network cloud platform end has permission setting, and only a designated user with an account can perform remote control, state monitoring and fault analysis on the local equipment by accessing the WEB server and the mobile phone APP.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a rail vehicle air conditioning system remote control and monitoring system which characterized in that includes:
an air conditioning unit: is arranged in each carriage;
a sensing system: the system is connected with each air conditioning unit and used for collecting state data of each air conditioning unit;
a master controller: the main controllers in each carriage are connected with the air conditioning units corresponding to each carriage, and are used for issuing control instructions to the air conditioning units of each carriage, connecting with the sensors and acquiring the state data of each air conditioning unit, which are acquired by the sensors; the main controllers in each carriage are connected through a vehicle local area network;
the Internet of things module: the main controllers of all the carriages are connected through Ethernet;
cloud server: the Internet of things module is connected with the Internet of things module through a wireless network;
a PC terminal: the system is connected with a cloud server through a wireless network to obtain state data of each air conditioning unit, and a PC end user can issue control instructions or program updating instructions of each air conditioning unit to a corresponding main controller through the cloud server through the PC end;
a mobile terminal: the mobile terminal user can send control instructions to each air conditioning unit to a corresponding main controller through the cloud server through the mobile terminal; the mobile terminal includes but is not limited to a passenger cell phone.
2. The rail vehicle air conditioning system remote control and monitoring system of claim 1, wherein the mobile terminal is a passenger cell phone.
3. The rail vehicle air conditioning system remote control and monitoring system of claim 1, wherein the sensing system includes but is not limited to: temperature sensor, humidity sensor, CO2A concentration sensor, a PM2.5 sensor, a differential pressure sensor, a voltage sensor and a current sensor; the temperature sensors comprise an air supply system temperature sensor, an air return temperature sensor, an exhaust temperature sensor, an outer disc temperature sensor, an inner disc temperature sensor, a fresh air temperature sensor and an air return temperature sensor; the voltage sensor includes: an air conditioning system voltage sensor; the current sensor comprises a compressor current sensor, a ventilator current sensor and a condensing fan current sensor.
4. The rail vehicle air conditioning system remote control and monitoring system of claim 3, wherein the sensing system further comprises an analog current conversion unit;
data detected by the air conditioning system voltage sensor, the compressor current sensor, the ventilator current sensor and the condensation fan current sensor are transmitted to the analog current conversion unit, converted into analog current data and transmitted to the main controller, and the main controller generates corresponding fault signals according to the received analog current data.
5. The rail vehicle air conditioning system remote control and monitoring system of claim 3, wherein the sensing system further comprises an analog temperature conversion unit;
the data detected by the air supply system temperature sensor, the return air temperature sensor, the exhaust temperature sensor, the outer disc temperature sensor and the inner disc temperature sensor are transmitted to the analog temperature conversion unit, converted into analog temperature data and transmitted to the main controller; and the master controller generates a corresponding fault signal according to the received analog temperature data.
6. The rail vehicle air conditioning system remote control and monitoring system of claim 3, wherein the system further comprises a first communication detection unit for detecting CO2And the communication states of the concentration sensor and the PM2.5 sensor and the master controller feed back the communication state data to the master controller.
7. The remote control and monitoring system of air conditioning system of rail vehicle as claimed in claim 1, wherein the system further comprises a second communication detecting unit for detecting the communication status of the air conditioning unit with the master controller and feeding back the communication status data to the master controller.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220092624.0U CN216531375U (en) | 2022-01-13 | 2022-01-13 | Remote control and monitoring system for air conditioning system of railway vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220092624.0U CN216531375U (en) | 2022-01-13 | 2022-01-13 | Remote control and monitoring system for air conditioning system of railway vehicle |
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| CN216531375U true CN216531375U (en) | 2022-05-13 |
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| CN202220092624.0U Active CN216531375U (en) | 2022-01-13 | 2022-01-13 | Remote control and monitoring system for air conditioning system of railway vehicle |
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