High-speed rail station central air conditioner monitoring system

Abstract

The utility model relates to a central air-conditioning monitoring system for a high-speed rail station, which comprises a monitoring host and a cold and heat source host PLC master station connected with the monitoring host, and the cold and heat source host PLC master station is accessed to the monitoring host through network cable jump. The tail end sensor is arranged in an air conditioner fan box, is connected to the DDC control cabinet, and is in signal connection with the monitoring host through a BAS optical fiber ring network of a station; the environment monitoring sensor comprises an environment parameter integrated monitor installed in a waiting room and a fuel gas monitor installed in a heating and ventilation power machine room, and the environment monitoring sensor is in signal connection with the monitoring host through a BAS optical fiber ring network of a station. Compared with the prior art, the cold and heat source host, the terminal air-conditioning box of the waiting room and the monitoring sensor of the waiting room environment are connected to the monitoring host of the elimination control room through the station local area network, so that information such as the running state of the central air-conditioning system, the temperature and humidity of the outdoor environment, the heat and humidity state of the terminal air-conditioning box and the like can be obtained; management personnel can conveniently know the environment in the station and the running state of the central air conditioner.

Description

TECHNICAL FIELD

[0001] The utility model relates to equipment monitoring technical field especially is related to a high -speed railway station central air conditioning monitoring system. BACKGROUND

[0002] High -speed railway station as the indoor place of dense human flow needs through central air conditioning system needs to control the air conditioning in whole station, makes air temperature, humidity and so on index to be in a proper range. But high -speed railway station building area is big, and each part is unevenly cold and hot, and the number of air conditioning system and supporting equipment is numerous, needs a centralized monitoring system to effectively manage central air conditioning equipment, realizes remote monitoring to each equipment operating state parameter. UTILITY MODEL CONTENTS

[0003] The utility model discloses a high -speed railway station central air conditioning monitoring system that overcomes the defects of the prior art.

[0004] The utility model discloses a high -speed railway station central air conditioning monitoring system that overcomes the defects of the prior art.

[0005] A high -speed railway station central air conditioning monitoring system, system includes the monitoring host computer and with the monitoring host computer

[0006] The PLC master station of cold heat source host computer is accessed to the monitoring host computer through the network cable jump;

[0007] End sensor is arranged in the air conditioning fan case and is accessed to DDC control cabinet, and is connected with the monitoring host computer signal through the BAS fiber ring network of station;

[0008] Environment monitoring sensor includes the environmental parameter integrated monitor installed in the waiting room and the gas monitor installed in the heating power machine room, and the environment monitoring sensor is connected with the monitoring host computer signal through the BAS fiber ring network of station.

[0009] As a preferred technical scheme, the monitoring host computer is arranged in the control room.

[0010] As a preferred technical scheme, the control room is arranged with the fiber switch, and the fiber switch is connected with the monitoring host computer and the BAS fiber ring network.

[0011] As a preferred technical scheme, the PLC master station of cold heat source host computer and the monitoring host computer are provided with the protocol gateway, and then are accessed to the monitoring host computer through the access switch.

[0012] As a preferred technical scheme, the protocol gateway and the access switch are installed in the control room console.

[0013] As a preferred technical scheme, the air conditioner fan case is provided with a terminal sensor, the DDC control cabinet is provided with a data gateway and is connected to a BAS fiber ring network, and the monitoring host is connected to the BAS fiber ring network through a fiber switch.

[0014] As a preferred technical scheme, the environmental parameter integrated monitor is installed in the grating of the ticket checking island platform of the waiting room.

[0015] As a preferred technical scheme, the gas monitor is installed at the boiler gas inlet of the cold and heat source host.

[0016] As a preferred technical scheme, the environmental parameter integrated monitor and the gas monitor are connected to the data gateway of the BAS fiber ring network through an RS485 bus, and the monitoring host is connected to the BAS fiber ring network through the fiber switch.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The cold and heat source host, the terminal air conditioner case of the waiting room and the waiting room environment monitoring sensor are connected on the unified station local area network to form an integrated central air conditioner data monitoring system, the running state of the central air conditioner system, the temperature and humidity of the outdoor environment and the heat and humidity state of the terminal air conditioner case can be monitored in real time through the monitoring host, and the management personnel can know the environment in the station and the running state of the central air conditioner in real time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a high-speed rail station central air conditioner monitoring system arrangement schematic view of the utility model;

[0020] Figure 2 It is a high-speed rail station central air conditioner monitoring system schematic block diagram of the utility model;

[0021] The figure mark shows: 1, monitoring host, 2, control room platform, 3, cold and heat source host, 4, ticket checking island platform. DETAILED DESCRIPTION

[0022] The utility model will be explained in detail in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, gives detailed implementation mode and specific operation process, but the protection scope of the utility model is not limited to the following examples.

[0023] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0024] Some embodiments of the utility model will be described in detail below with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0025] Example 1

[0026] The utility model discloses, through the central air conditioning equipment cold and heat source host 3, the waiting room terminal air conditioner box, the waiting room environment is connected on the unified LAN and forms the operation monitoring system of integrated central air conditioning management and control, can make the management personnel to be able to through control terminal to monitor the running state of central air conditioning system, the temperature and humidity of outdoor environment, the hot and humid state of terminal air conditioner box in real time.

[0027] As Figure 1 Indicated, in current high-speed rail station, the combined air conditioning fan box is mostly arranged in the station's horse path layer, and the air conditioning fan cabinet adopts DDC controller to control, and the cold and heat source host 3 of central air conditioning system is arranged and distributed in the multiple heating and ventilation machine rooms of station. As Figure 2 Indicated, the high-speed rail station central air conditioning monitoring system provided by the utility model includes the monitoring host 1 arranged in the control room, adopts the BAS fiber ring network arranged in the station as the system LAN backbone physical link, and the BAS fiber ring network is accessed to the monitoring host 1 through the fiber switch arranged in the control room, and the data gateway is arranged on each monitoring equipment side to access each sensor collection data to the fiber ring network.

[0028] In the embodiment, the monitoring host 1 and the siemens PLC300 master station of the cold and heat source host 3 adopt S7 protocol to communicate. To access the data of PLC300 master station, need to increase protocol gateway, convert siemens S7 private protocol into Modbus TCP protocol, and the monitoring point is about 1600 points. The PLC master station network of heating and ventilation machine room is accessed to the monitoring host 1 in the control room through network cable jump. The newly added protocol gateway and network access switch are installed in the control room piano table 2.

[0029] For the combined air conditioning fan box monitoring located in the horse path layer of station, the utility model sets up multiple terminal sensors in the air conditioning fan box, and unifies the terminal sensors and accesses to the DDC control cabinet, and the DDC control cabinet is provided with data gateway and accesses to the BAS fiber ring network, and the collected data is accessed to the monitoring host 1 through the fiber switch via the BAS fiber ring network.

[0030] The relevant monitoring points of the terminal sensor arranged include: air conditioner fan running state; exhaust fan running state; filter screen alarm, fresh air temperature, supply air temperature, return air temperature and humidity, air pipe pressure, and air valve actuator and water valve actuator opening degree detection of the air conditioner box; the data collection of the above monitoring points can be realized by one or more sensor combinations, and the specific sensor type and model used is not limited by the utility model.

[0031] For the environment monitoring in the waiting room, the utility model sets environment parameter integrated monitor, real-time monitoring waiting room's temperature, humidity, CO2, PM2.5, TVOC etc. environmental parameters, and installs natural gas detection sensor in the warm power plant boiler gas side, real-time collection gas (methane) concentration. Environmental parameter integrated monitor and gas monitor are all through RS485 bus access BAS fiber ring network's data gateway, and then through fiber switch access monitoring host 1.

[0032] Specifically, the environment parameter monitor in the embodiment is arranged in the grating on the side of the ticket checking island platform 4, and the technical parameters of the environment parameter monitor used are as follows: power supply 10-25VDC, working environment 0-60 DEG C, output square signal RS485, standard Modbus communication protocol. Temperature resolution 0.1 DEG C, humidity resolution 0.1%, CO2 resolution 1ppm, PM2.5 resolution 0.3ug / m3, TVOC resolution 1ug / m3.

[0033] The gas monitor in the embodiment is installed near the boiler gas inlet, and the technical parameters of the gas monitor used are as follows: resolution 0.1% LEL, output signal RS485, standard Modbus communication protocol, aluminum alloy shell with display, protection level IP65.

[0034] Table 1 each monitoring equipment arrangement

[0035]

[0036] The above detailed the preferred embodiment of the utility model. It should be understood that ordinary skilled in the art can make many modifications and changes according to the conception of the utility model without creative labor. Therefore, all the technical solutions that can be obtained by logical analysis, reasoning or limited experiment based on the existing technology according to the conception of the utility model by the skilled in the art should be within the protection scope determined by the claims.

Claims

1. A monitoring system for central air conditioning in a high-speed railway station, characterized in that, The system includes a monitoring host (1) and a system connected to the monitoring host (1). The PLC master station of the cold and heat source host (3) is connected to the monitoring host (1) via a network cable; The terminal sensor is placed in the air conditioning fan box and connected to the DDC control cabinet. It is connected to the monitoring host (1) via the station's BAS fiber optic ring network. The environmental monitoring sensors include an integrated environmental parameter monitoring instrument installed in the waiting room and a gas monitoring instrument installed in the HVAC power room. The environmental monitoring sensors are connected to the monitoring host (1) via the station's BAS fiber optic ring network.

2. The high-speed railway station central air conditioning monitoring system according to claim 1, characterized in that, The monitoring host (1) is located in the fire control room.

3. The high-speed railway station central air conditioning monitoring system according to claim 2, characterized in that, The fire control room is equipped with a fiber optic switch, which connects the monitoring host (1) to the BAS fiber optic ring network.

4. The high-speed railway station central air conditioning monitoring system according to claim 2, characterized in that, The PLC master station of the cold and heat source host (3) is connected to the monitoring host (1) via a protocol gateway, and then connected to the monitoring host (1) via an access switch.

5. A high-speed railway station central air conditioning monitoring system according to claim 4, characterized in that, The protocol gateway and access switch are installed inside the fire control room piano stand (2).

6. The high-speed railway station central air conditioning monitoring system according to claim 1, characterized in that, The air conditioning fan box is equipped with a terminal sensor, and the DDC control cabinet is equipped with a data gateway and connected to the BAS fiber optic ring network. The data gateway is connected to the monitoring host (1) via the BAS fiber optic ring network and a fiber optic switch.

7. A high-speed railway station central air conditioning monitoring system according to claim 1, characterized in that, The integrated environmental parameter monitoring instrument is installed inside the grille of the ticket check island (4) in the waiting room.

8. A high-speed railway station central air conditioning monitoring system according to claim 1, characterized in that, The gas monitoring instrument is installed at the boiler gas inlet of the cold and heat source host (3).

9. A high-speed railway station central air conditioning monitoring system according to claim 1, characterized in that, Both the integrated environmental parameter monitor and the gas monitor are connected to the data gateway of the BAS fiber optic ring network via RS485 bus, and are connected to the monitoring host (1) via the BAS fiber optic ring network and fiber optic switch.

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