CN110745155A - Locomotive air conditioner control system - Google Patents
Locomotive air conditioner control system Download PDFInfo
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- CN110745155A CN110745155A CN201911261635.6A CN201911261635A CN110745155A CN 110745155 A CN110745155 A CN 110745155A CN 201911261635 A CN201911261635 A CN 201911261635A CN 110745155 A CN110745155 A CN 110745155A
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- air conditioner
- locomotive air
- main control
- conditioner main
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D27/00—Heating, cooling, ventilating, or air-conditioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
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- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
A locomotive air conditioner control system comprises a locomotive air conditioner main control board, and a power supply, a condensing fan, a ventilator, a compressor, an electric heater, a fresh air valve, a communication network, a temperature detector, a temperature adjusting switch, a mode control switch and a pressure protection switch which are connected with the locomotive air conditioner main control board; the locomotive air conditioner main control panel is connected with a power supply through a power supply control port, the locomotive air conditioner main control panel is connected with a condensing fan through a condensing fan input control port and a condensing fan output control port, the locomotive air conditioner main control panel is connected with a ventilator through a ventilator input control port and a ventilator output control port, and the locomotive air conditioner main control panel is connected with a compressor through a compressor input control port and a compressor output control port. The invention has the control functions of ventilation, refrigeration, heating, overcurrent, temperature detection, fresh air quantity regulation and the like, realizes automatic control through the ambient temperature and return air temperature sensors, and can provide comfortable indoor environment for the locomotive cab by setting a manual function.
Description
Technical Field
The invention relates to the technical field of air conditioner control systems, in particular to a locomotive air conditioner control system.
Background
Air conditioners, i.e., room air conditioners, are units used to provide process air to a room or enclosed space, area. The function of the air conditioner is to adjust the temperature, humidity, cleanliness and air flow rate of the air in the room or the closed space or the area, so as to meet the requirements of human comfort or technological process.
The existing air conditioners can be classified into window type, split wall type, split vertical cabinet type, ceiling type, embedded type, small central air conditioners and the like according to the shapes, are mostly used for adjusting parameters such as air temperature and humidity and the like of closed spaces of fixed places, have single functions and cannot simultaneously have control functions such as ventilation, refrigeration, heating, overflowing, temperature detection, fresh air volume adjustment and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art, and provide a locomotive air conditioner control system which has the control functions of ventilation, refrigeration, heating, overcurrent, temperature detection, fresh air volume regulation and the like, realizes automatic control through an ambient temperature sensor and a return air temperature sensor, is provided with a manual function, and can provide a comfortable indoor environment for a locomotive cab.
The technical scheme adopted by the invention for solving the technical problems is as follows: a locomotive air conditioner control system comprises a locomotive air conditioner main control board, and a power supply, a condensing fan, a ventilator, a compressor, an electric heater, a fresh air valve, a communication network, a temperature detector, a temperature adjusting switch, a mode control switch and a pressure protection switch which are connected with the locomotive air conditioner main control board; the locomotive air conditioner main control board is connected with a power supply through a power supply control port, the locomotive air conditioner main control board is connected with a condensing fan through a condensing fan input control port and a condensing fan output control port, the locomotive air conditioner main control board is connected with a ventilator through a ventilator input control port and a ventilator output control port, the locomotive air conditioner main control board is connected with a compressor through a compressor input control port and a compressor output control port, the locomotive air conditioner main control board is connected with an electric heater through an electric heater input control port and an electric heater through an electric heater output control port, the locomotive air conditioner main control board is connected with a fresh air valve through an air valve control port, the locomotive air conditioner main control board is connected with a communication network through a network communication port, the locomotive air conditioner main control board is connected with a temperature detector through a temperature AD sampling port, the, The heating and stopping mode selection input port is connected with the mode control switch, and the locomotive air conditioner main control board is connected with the pressure protection switch through the pressure protection input port; the 32-bit microprocessor is used for data acquisition, calculation and logic control, so that the locomotive air conditioner has high control precision and stable and reliable performance, realizes the functions of fault diagnosis, recording, software downloading, information reading, parameter setting, network control and the like, and replaces the traditional PLC control system.
Further, be connected with switch and short-circuit protector between power control port and the power, be connected with condensation fan control and power protector between condensation fan input, output control port and the condensation fan, be connected with ventilation blower control and current protector between ventilation blower input, output control port and the ventilation blower, be connected with compressor control and current protector between compressor input, output control port and the compressor, be connected with electrical heating control and temperature protector between electrical heater input, output control port and the electrical heater.
Further, thermodetector includes outdoor thermodetector and indoor thermodetector, temperature AD sampling port includes outdoor temperature AD sampling port and indoor AD sampling port, outdoor temperature AD sampling port is connected with outdoor thermodetector, indoor AD sampling port is connected with indoor thermodetector.
Further, the locomotive air conditioner main control board is a 32-bit microprocessor, the communication network is an RS232 network, and the power supply is an AC440V60HZ power supply.
Further, the electric heating control and temperature protector is a double heater and a double contactor; the problem of control system burning loss when the heater high temperature and heavy current operating mode are solved.
Further, the temperature detector comprises a MAX31865 low temperature drift isolation chip; and the 16-bit AD sampling mode has high precision, high reliability and strong anti-interference performance.
The invention has the advantages that the air conditioner is arranged in an air conditioning system and is combined with the air conditioner into a whole, has the control functions of ventilation, refrigeration, heating, overcurrent, temperature detection, fresh air volume regulation and the like, realizes automatic control through the ambient temperature and return air temperature sensors, is provided with a manual function, and can provide comfortable indoor environment for a locomotive cab.
The air conditioner control system adopts a 32-bit microprocessor to reliably control, protect, diagnose and record the air conditioner; through the RS232 communication port, the functions of software downloading, information reading, parameter setting and the like can be realized. The connector is connected with the control panel on the control console, so that the operation and the maintenance can be conveniently carried out.
Drawings
FIG. l is a schematic diagram of the structure of the present invention.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention:
as shown in fig. 1, an embodiment of a locomotive air conditioning control system includes a locomotive air conditioning main control board which is a 32-bit microprocessor, and an AC440V60HZ power supply, a condensing fan, a ventilator, a compressor, an electric heater, a fresh air damper, an RS232 communication network, a temperature detector, a temperature adjustment shape, a mode control switch and a pressure protection switch which are connected with the locomotive air conditioning main control board; the 32-bit microprocessor is used for data acquisition, calculation and logic control, so that the locomotive air conditioner has high control precision and stable and reliable performance, realizes the functions of fault diagnosis, recording, software downloading, information reading, parameter setting, network control and the like, and replaces the traditional PLC control system.
The locomotive air conditioner main control board is connected with an AC440V60HZ power supply through a power supply control port, a power supply switch and a short-circuit protector are connected between the power supply control port and the power supply, the locomotive air conditioner main control board is connected with a condensing fan through a condensing fan input and output control port, a condensing fan control and power supply protector is connected between the condensing fan input and output control port and the condensing fan, the locomotive air conditioner main control board is connected with a ventilator through a ventilator input and output control port, a ventilator control and current protector is connected between the ventilator input and output control port and the ventilator, the locomotive air conditioner main control board is connected with a compressor through a compressor input and output control port, a compressor control and current protector is connected between the compressor input and output control port and the compressor, and the locomotive air conditioner main control board is connected with an electric heater through an electric heater input, an electric heating control and temperature protector is connected between the input and output control ports of the electric heater and the electric heater, a locomotive air conditioner main control board is connected with a fresh air valve through an air valve control port, the locomotive air conditioner main control board is connected with an RS232 communication network through a network communication port, the locomotive air conditioner main control board is connected with a temperature detector through a temperature AD sampling port, the locomotive air conditioner main control board is connected with a mode control switch through a refrigeration, heating and stop mode selection input port, and the locomotive air conditioner main control board is connected with a pressure protection switch through a pressure protection input port;
the temperature detector comprises an outdoor temperature detector and an indoor temperature detector, the temperature AD sampling port comprises an outdoor temperature AD sampling port and an indoor AD sampling port, the outdoor temperature AD sampling port is connected with the outdoor temperature detector, and the indoor AD sampling port is connected with the indoor temperature detector. The electric heating control and temperature protector is a double heater and a double contactor; the problem of burning loss of a control system under the working conditions of high temperature and large current of a heater is solved; the temperature detector comprises a MAX31865 low temperature drift isolation chip; and the 16-bit AD sampling mode has high precision, high reliability and strong anti-interference performance.
Those not described in detail in the specification are well within the skill of the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as being within the protection scope of the present invention.
Claims (6)
1. A locomotive air conditioner control system is characterized by comprising a locomotive air conditioner main control board, and a power supply, a condensing fan, a ventilator, a compressor, an electric heater, a fresh air valve, a communication network, a temperature detector, a temperature adjusting switch, a mode control switch and a pressure protection switch which are connected with the locomotive air conditioner main control board; the locomotive air conditioner main control board is connected with a power supply through a power supply control port, the locomotive air conditioner main control board is connected with a condensing fan through a condensing fan input control port and a condensing fan output control port, the locomotive air conditioner main control board is connected with a ventilator through a ventilator input control port and a ventilator output control port, the locomotive air conditioner main control board is connected with a compressor through a compressor input control port and a compressor output control port, the locomotive air conditioner main control board is connected with an electric heater through an electric heater input control port and an electric heater through an electric heater output control port, the locomotive air conditioner main control board is connected with a fresh air valve through an air valve control port, the locomotive air conditioner main control board is connected with a communication network through a network communication port, the locomotive air conditioner main control board is connected with a temperature detector through a temperature AD sampling port, the, The heating and stopping mode selection input port is connected with the mode control switch, and the locomotive air conditioner main control board is connected with the pressure protection switch through the pressure protection input port.
2. The locomotive air conditioning control system of claim 1, wherein a power switch and a short circuit protector are connected between the power control port and a power supply, a condensing fan control and power protector is connected between the condensing fan input and output control port and the condensing fan, a ventilator control and current protector is connected between the ventilator input and output control port and the ventilator, a compressor control and current protector is connected between the compressor input and output control port and the compressor, and an electric heating control and temperature protector is connected between the electric heater input and output control port and the electric heater.
3. The locomotive air conditioning control system of claim 2, wherein said temperature detector comprises an outdoor temperature detector and an indoor temperature detector, said temperature AD sampling port comprises an outdoor temperature AD sampling port and an indoor AD sampling port, said outdoor temperature AD sampling port is connected with said outdoor temperature detector, said indoor AD sampling port is connected with said indoor temperature detector.
4. A locomotive air conditioning control system as claimed in claim 3, wherein said locomotive air conditioning main control board is a 32-bit microprocessor, said communication network is an RS232 network, and said power source is an AC440V60HZ power source.
5. A locomotive air conditioning control system according to claim 4, characterized in that said electric heating control and temperature protector is a dual heater and dual contactor.
6. A locomotive air conditioning control system according to claim 5, characterized in that said temperature detector comprises a MAX31865 low temperature drift isolation chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261635.6A CN110745155A (en) | 2019-12-10 | 2019-12-10 | Locomotive air conditioner control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261635.6A CN110745155A (en) | 2019-12-10 | 2019-12-10 | Locomotive air conditioner control system |
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| CN110745155A true CN110745155A (en) | 2020-02-04 |
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| CN201911261635.6A Pending CN110745155A (en) | 2019-12-10 | 2019-12-10 | Locomotive air conditioner control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605573A (en) * | 2020-05-15 | 2020-09-01 | 中车青岛四方机车车辆股份有限公司 | Electric cabinet, control method and device of air conditioner, air conditioning unit and train |
| CN112721979A (en) * | 2021-01-29 | 2021-04-30 | 中车大连机车研究所有限公司 | Pressure protection control system of CO2 air conditioning system of rail transit vehicle |
| CN116353646A (en) * | 2023-02-15 | 2023-06-30 | 株洲桓基电气股份有限公司 | Locomotive air conditioner leakage protection device and air conditioner control system using same |
-
2019
- 2019-12-10 CN CN201911261635.6A patent/CN110745155A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605573A (en) * | 2020-05-15 | 2020-09-01 | 中车青岛四方机车车辆股份有限公司 | Electric cabinet, control method and device of air conditioner, air conditioning unit and train |
| CN111605573B (en) * | 2020-05-15 | 2021-05-07 | 中车青岛四方机车车辆股份有限公司 | Electric cabinet, control method and device of air conditioner, air conditioning unit and train |
| CN112721979A (en) * | 2021-01-29 | 2021-04-30 | 中车大连机车研究所有限公司 | Pressure protection control system of CO2 air conditioning system of rail transit vehicle |
| CN112721979B (en) * | 2021-01-29 | 2024-06-04 | 中车大连机车研究所有限公司 | Pressure protection control system of CO2 air conditioning system of rail transit vehicle |
| CN116353646A (en) * | 2023-02-15 | 2023-06-30 | 株洲桓基电气股份有限公司 | Locomotive air conditioner leakage protection device and air conditioner control system using same |
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