JP2013248977A - Air conditioner management system for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle air conditioner management system capable of easily determining reduction in cooling capacity of an air conditioner in a short time.SOLUTION: An air conditioner management system includes a vehicle information control device 3 for calculating average vehicle indoor temperature by reading vehicle indoor temperatures of vehicles 4, 5 and 6 detected by temperature sensors 7 when an air conditioner 2 starts test cooling operation, measuring a first time until the average vehicle indoor temperature reaches the set temperature, measuring a second time until the vehicle indoor temperatures of the vehicles 4, 5 and 6 reach the set temperature, subtracting the first time from the second time to obtain deviations respectively, and determining that the cooling capacity of the air conditioner 2 is reduced when the determined deviation is equal to or larger than a preset value.

Description

  The present invention relates to a vehicle air conditioner management system that manages the driving capability of an air conditioner for a railway vehicle, for example.

  As a conventional vehicle air-conditioner management system, for example, a vehicle air-conditioning control device installed in a train vehicle regularly manages data including operation information of the mounted air conditioner and position information of the vehicle. The management computer stores and processes the data sent from the vehicle air conditioning control device. As a result, there is a technique in which detailed investigation / analysis of an air conditioner can be performed in association with a route, a position, or the like (see, for example, Patent Document 1).

  In addition, there is one that calculates the average of the heating degree of the air conditioner mounted on each vehicle of a plurality of both trains and calculates a deviation from the average heating degree to determine the deterioration of the evaporator (for example, patent) Reference 2).

Japanese Patent No. 4244676 (abstract) Japanese Patent No. 4372514 (abstract)

  In any of the technologies disclosed in Patent Documents 1 and 2 described above, it is necessary to operate the air conditioner for a long time until it is determined that the air conditioner is deteriorated or the cooling capacity is lowered. The calculation method of the value was complicated.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a vehicle air conditioner management system that can easily determine a decrease in the cooling capacity of an air conditioner in a short time. To do.

  An air conditioner management system for a vehicle according to the present invention includes an air conditioner mounted on each vehicle in a plurality of vehicles, a temperature sensor provided in each vehicle for detecting an in-vehicle temperature, and a door of each vehicle in the plurality of vehicles. A vehicle information control device that transmits a test cooling operation command when receiving a test cooling operation instruction, and is preset when a test cooling operation command is received. An air conditioning control device that performs a test cooling operation of the air conditioner with a cooling capacity, and the vehicle information control device detects the interior of each vehicle detected by each temperature sensor when the air conditioner starts the test cooling operation. The temperature is read to calculate the average interior temperature, and the first time until the average interior temperature reaches the set temperature is measured, and the second time until the interior temperature of each vehicle reaches the set temperature is measured. time The measuring means and the first time are subtracted from the second time to obtain the respective deviations, and the air conditioning apparatus in which the obtained deviation is equal to or greater than a preset value determines that the cooling capacity of the air conditioner has decreased. Ability judging means.

  According to the present invention, when the air-conditioning apparatus starts the test cooling operation, the vehicle interior temperature detected by each temperature sensor is read to calculate the vehicle interior temperature, and the vehicle interior temperature reaches the set temperature. Is measured, and the second time until the in-vehicle temperature of each vehicle reaches the set temperature is measured, and the first time is subtracted from the second time to obtain the respective deviations. Then, it is determined that the cooling capacity of the air conditioner in which the obtained deviation is equal to or greater than a preset value is reduced. Thus, the cooling capacity of the air conditioner decreases based on the first time until the average in-vehicle temperature reaches the set temperature and the second time until the in-vehicle temperature of each vehicle reaches the set temperature. Therefore, it is possible to easily determine a decrease in the cooling capacity of the air conditioner in a short time.

It is a schematic block diagram which shows an example of the whole vehicle air conditioner management system which concerns on Embodiment 1. FIG. It is a block diagram of the vehicle air conditioner management system shown in FIG. It is a figure which shows the cooling capability of the air conditioning apparatus in Embodiment 1, and the change of vehicle interior temperature. It is a figure which shows the cooling capability of the air conditioning apparatus in Embodiment 2, and the change of vehicle interior temperature. It is a figure which shows the cooling capability of the air conditioning apparatus in Embodiment 3, and the change of vehicle interior temperature. It is a figure which shows the cooling capability of the air conditioning apparatus in Embodiment 4, and the change of vehicle interior temperature. It is a conceptual diagram of the vehicle air conditioner management system which concerns on Embodiment 5.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment of a vehicle air conditioner management system according to the present invention will be described with reference to the drawings.

Embodiment 1 FIG.
FIG. 1 is a schematic configuration diagram showing an example of the entire vehicle air conditioner management system according to Embodiment 1, FIG. 2 is a block diagram of the vehicle air conditioner management system shown in FIG. 1, and FIG. It is a figure which shows the cooling capability of an air conditioning apparatus, and the change of vehicle interior temperature.
The vehicle air conditioner management system according to Embodiment 1 is used for a train having three cars, for example, as shown in FIG. The vehicle air conditioner management system includes an air conditioner 2 mounted on the ceiling of each vehicle 4, 5, 6, an air conditioner control apparatus 1 for controlling the air conditioner 2, and the leading vehicle 4 or 6. The vehicle information control device 3 provided in the vehicle, the temperature sensor 7 that is installed in each of the vehicles 4, 5, 6 and detects the temperature inside the vehicle, and the signal line 8. In the present embodiment, it is shown that each vehicle 4, 5, 6 is provided with one air conditioner 2. However, the present invention is not limited to this, and two air conditioners 2 are provided. The vehicle provided may be sufficient.

  The above-described temperature sensor 7 is installed, for example, in the vicinity of the intake port provided in each vehicle 4, 5, 6. In addition, a humidity sensor is installed in each of the vehicles 4, 5, 6, and for example, an outside air temperature sensor that detects the temperature of the outside air is provided on the intake side of the outdoor unit of each air conditioner 2. ing. In the present embodiment, it is described that the vehicle air-conditioner management system is used for a train of three cars. However, this is an example and is not limited.

  Each air conditioner 2 includes a refrigeration cycle apparatus configured by sequentially connecting a compressor, an outdoor unit, a decompression device, and an indoor unit with refrigerant piping. During the cooling operation, the outdoor unit functions as a condenser and the indoor unit functions as an evaporator, and cool air is blown out from the indoor units into the vehicles 4, 5, and 6. Further, during the heating operation, the outdoor unit functions as an evaporator and the indoor unit functions as a condenser, and warm air is blown out from the indoor units into the vehicles 4, 5, and 6.

  As shown in FIG. 2, the air conditioning control device 1 includes an information acquisition unit 1a and a control unit 1b. The information acquisition means 1a is detected by the temperature sensor 7 installed in each vehicle 4, 5 and 6 and the vehicle internal temperature and the vehicle internal humidity detected by the humidity sensor, and the outside air temperature sensor installed in the air conditioner 2. Information on the outside air temperature is acquired as data. Further, the information acquisition unit 1 a acquires data such as an air conditioning operation command, a boarding rate, a date, and opening / closing of the doors of the vehicles 4, 5, 6 from the vehicle information control device 3.

  The control means 1b of the air conditioning control device 1 controls the operation of the air conditioner 2 based on the data acquired by the information acquisition means 1a. When receiving a command for automatic cooling operation, the control means 1b adjusts the cooling capacity and controls the air conditioner 2 so that the in-vehicle temperature approaches the target temperature. Further, when receiving the test cooling operation command, the control means 1b controls the air conditioner 2 to perform the cooling operation with a preset cooling capacity of, for example, 100%. The vehicle information control device 3 includes a touch panel type display unit, and when the test cooling operation is selected by an operation of a maintenance worker or the like, the air conditioning control device for each of the vehicles 4, 5, 6 is instructed to perform the test cooling operation. 1 is transmitted via the signal line 8.

Further, the vehicle information control device 3 signals the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 detected by each temperature sensor 7 when the air conditioning device 2 starts the test cooling operation in response to the test cooling operation command. The average vehicle interior temperature T _AV is calculated by reading through the line 8, and the first time S ₁ until the average vehicle interior temperature T _AV reaches the set temperature T is measured, and the interior of each vehicle 4, 5, 6 is measured. A time measuring means for measuring the second time S ₂ until the temperature T ₁ reaches the set temperature T, and subtracting the first time S ₁ from the _second time S ₂ to obtain the respective deviations. Is provided with a cooling capacity determination means for determining that the cooling capacity of the air conditioner 2 in which the air pressure is equal to or greater than a preset value has decreased.

  In the present embodiment, the case where the air conditioning control device 1 is provided for each air conditioner 2 and the vehicle information control device 3 is provided in each of the leading vehicles 4 or 6 has been described. You may make it provide each function of the control apparatus 3 in one control apparatus.

Next, in the vehicle air conditioner management system configured as described above, an operation of determining the cooling capacity of the air conditioner when the test cooling operation is performed will be described with reference to FIG.
When the maintenance worker operates the touch panel type display unit of the vehicle information control device 3 during vehicle inspection and selects the test cooling operation, the vehicle information control device 3 issues a test cooling operation command to each vehicle 4 according to the selection. 5 and 6 are transmitted to the air conditioning control device 1 through the signal line 8. When the air-conditioning control device 1 receives the command, the air-conditioning control device 1 controls the air-conditioning device 2 to perform a cooling operation with a cooling capacity of 100%, as shown in FIG.

On the other hand, the vehicle information control device 3 reads the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 via the signal line 8, The average vehicle interior temperature T _AV is calculated from the vehicle interior temperature T ₁ , and the first time S ₁ until the average vehicle interior temperature T _AV reaches the set temperature T is measured, and the vehicle interior temperature T of each vehicle 4, 5, 6 is measured. The second time S ₂ until ₁ reaches the set temperature T is measured.

Change in average inside temperature T _AV is decreases as indicated by the broken line shown in FIG. Further, the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 is decreased in a state of approaching the average in-vehicle temperature T _AV because the thermal load of each of the vehicles 4, 5, 6 is substantially the same (not shown). ) However, if the outdoor unit or the indoor unit is clogged, such as clogging, the cooling capacity decreases, and a vehicle with a reduced cooling capacity has a slow decrease in the vehicle interior temperature T ₁ as shown by the solid line in FIG. (S ₂ > S ₁ )

When the average in-vehicle temperature T _AV reaches the set temperature T, the vehicle information control device 3 subtracts the first time S ₁ from the _second time S _{2 for} each of the vehicles 4, 5, and 6, and obtains the respective deviations. It determines with the air_conditioning | cooling capability of the air conditioning apparatus 2 from which the calculated | required deviation became more than the preset value has fallen. At this time, the vehicle information control device 3 displays the determination result on the display unit.

As described above, in the first embodiment, the first time S ₁ when the average in-vehicle temperature T _AV reaches the set temperature T and the in-vehicle temperatures T _{1 of the} vehicles 4, 5, 6 reach the set temperature T. since the is configured to determine whether there is a reduced air conditioning system cooling capacity based second time and S ₂ when, easily determine a reduction in the cooling capacity of the air conditioner 2 in a short time can do.

Embodiment 2. FIG.
FIG. 4 is a diagram showing changes in cooling capacity and in-vehicle temperature of the air-conditioning apparatus according to Embodiment 2. In addition, since the structure of the vehicle air conditioner management system is the same as that of Embodiment 1, it demonstrates using FIG.1 and FIG.2.

The vehicle information control device 3 according to the second embodiment is configured such that when the air-conditioning apparatus 2 starts the test cooling operation in response to the test cooling operation command, the vehicle interior temperature T of each vehicle 4, 5, 6 detected by each temperature sensor 7. reads _one, and calculates the average temperature inside the vehicle T _AV from the vehicle interior temperature T ₁ of the read, the average interior temperature T _AV and each vehicle 4, 5, 6 when the elapsed set time S ₃ from the start of the test cooling operation a temperature holding means for holding the vehicle temperatures T _1, determine the respective deviation ΔT from the vehicle interior temperatures T ₁ by subtracting the mean inside temperature T _AV of each vehicle 4, 5, 6 set obtained deviation ΔT advance value Cooling capacity determination means for determining that the cooling capacity of the air conditioner 2 that has been described above has been reduced is provided.

Next, in the vehicle air conditioner management system configured as described above, the operation of determining the cooling capacity of the air conditioner 2 when the test cooling operation is performed will be described with reference to FIG.
When the maintenance worker operates the touch panel type display unit of the vehicle information control device 3 during vehicle inspection and selects the test cooling operation, the vehicle information control device 3 issues a test cooling operation command to each vehicle 4 according to the selection. 5 and 6 are transmitted to the air conditioning control device 1 through the signal line 8. When receiving the command, the air conditioning control device 1 controls the air conditioner 2 to perform a cooling operation with a cooling capacity of 100% as shown in FIG.

On the other hand, the vehicle information control device 3 reads and reads the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 via the signal line 8. it calculates the average temperature inside the vehicle T _AV from the vehicle interior temperatures T _1, holding the average inside temperature T ₁ of the inside temperature T _AV and each vehicle 4, 5, 6 when the elapsed set time to S3 start of the test cooling operation .

Change in average inside temperature T _AV is decreases as indicated by the broken line shown in FIG. Further, the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 is decreased in a state of approaching the average in-vehicle temperature T _AV because the thermal load of each of the vehicles 4, 5, 6 is substantially the same (not shown). ) However, if the outdoor unit or the indoor unit is clogged, such as clogging, the cooling capacity is lowered, and a vehicle with a reduced cooling capacity has an average in-vehicle temperature T ₁ as indicated by the solid line in FIG. It becomes higher than T _AV (T ₁ > T _AV ).

Thereafter, the vehicle information control unit 3, when the inside temperature T ₁ of the each vehicle 4,5,6 average subtracts the inside temperature T _AV respectively a deviation ΔT, the obtained deviation ΔT is equal to or greater than a preset value Then, it is determined that the cooling capacity of the air conditioner 2 whose deviation is equal to or greater than the above value is reduced. At this time, the vehicle information control device 3 displays the determination result on the display unit.

As described above, in the second embodiment, the average in-vehicle temperature T _AV and the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 when the set time S ₃ has elapsed from the start of the test cooling operation are retained and retained. The average in-vehicle temperature _TAV is subtracted from the in-vehicle temperature T _{1 for} each of the vehicles 4, 5, and 6 to obtain the deviation ΔT, respectively, and the cooling capacity of the air conditioner 2 in which the obtained deviation ΔT is equal to or greater than a preset value. It is determined that it is decreasing. Thereby, compared with Embodiment 1, the fall of the cooling capability of the air conditioning apparatus 2 can be determined easily in a shorter time.

Embodiment 3 FIG.
FIG. 5 is a diagram showing changes in cooling capacity and in-vehicle temperature of the air-conditioning apparatus according to Embodiment 3. In addition, since the structure of the vehicle air conditioner management system is the same as that of Embodiment 1, it demonstrates using FIG.1 and FIG.2.

The vehicle information control device 3 according to the third embodiment is configured such that when the air-conditioning apparatus 2 starts the test cooling operation in response to a test cooling operation command, the vehicle interior temperature T of each vehicle 4, 5, 6 detected by each temperature sensor 7 is detected. ₁ is read and the average vehicle interior temperature T _AV is calculated from the read vehicle interior temperature T ₁ , and the average temperature decrease rate V _AV of the average vehicle interior temperature T _AV when the set time S ₃ has elapsed from the start of the test cooling operation is calculated. while, the temperature reduction rate calculation means for calculating a vehicle temperature decrease rate V ₁ of the inside temperature T ₁ of the respective vehicles 4,5,6, average temperature reduction from the vehicle interior temperature decrease rate V ₁ of the respective vehicles 4,5,6 A cooling capacity determination unit that subtracts the velocity V _AV to determine each deviation and determines that the cooling capacity of the air conditioner 2 in which the calculated deviation is equal to or greater than a preset value has decreased is provided.

Next, in the vehicle air conditioner management system configured as described above, the operation for determining the cooling capacity of the air conditioner when the test cooling operation is performed will be described with reference to FIG.
Similarly to the above, when the maintenance worker operates the touch panel type display unit of the vehicle information control device 3 during vehicle inspection and selects the test cooling operation, the vehicle information control device 3 performs the test cooling operation according to the selection. The command is transmitted to the air conditioning control device 1 of each vehicle 4, 5, 6 via the signal line 8. When receiving the command, the air conditioning control device 1 controls the air conditioner 2 to perform a cooling operation with a cooling capacity of 100%, as shown in FIG.

On the other hand, the vehicle information control device 3 reads and reads the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 via the signal line 8. it calculates the average temperature inside the vehicle T _AV from the vehicle interior temperature T _1, to calculate the average temperature decrease rate V _AV of the average inside temperature T _AV when the elapsed set time S ₃ from the start of the test cooling operation, each vehicle 4 The in-vehicle temperature decreasing speed V ₁ of the in-vehicle temperature T ₁ of 5 and 6 is calculated.

Change in average inside temperature T _AV is decreases as indicated by the broken line shown in FIG. Further, the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 is decreased in a state of approaching the average in-vehicle temperature T _AV because the thermal load of each of the vehicles 4, 5, 6 is substantially the same (not shown). ) However, if the outdoor unit or the indoor unit is clogged, such as clogging, the cooling capacity declines, and the vehicle with the reduced cooling capacity has an average temperature drop rate V _AV as shown by the solid line in FIG. In comparison, the in-vehicle temperature decrease speed V ₁ becomes slower (V ₁ <V _AV ).

The vehicle information control device 3 subtracts the average temperature decrease rate V _AV from the in-vehicle temperature decrease rate V _{1 of} each of the vehicles 4, 5, 6 to obtain respective deviations, and the obtained deviations are equal to or greater than a preset value. It is determined that the cooling capacity of the air conditioner 2 has decreased. At this time, the vehicle information control device 3 displays the determination result on the display unit.

As described above, since the cooling capacity of the air conditioner 2 is determined based on the average temperature decrease rate V _AV and the vehicle interior temperature decrease rate V ₁ , there is a slight difference in the initial vehicle interior temperature T _1. However, a decrease in the cooling capacity of the air conditioner 2 can be determined.

Embodiment 4 FIG.
In the first to third embodiments described above, when each air conditioning control device 1 receives a test cooling operation command from the vehicle information control device 3, the air conditioning device 2 is cooled. No. 4 starts the first automatic cooling operation in a vehicle with zero passengers, and determines the cooling capacity of the air conditioner 2.

  FIG. 6 is a diagram showing changes in cooling capacity and in-vehicle temperature of the air-conditioning apparatus according to Embodiment 4. In addition, since the structure of the vehicle air conditioner management system is the same as that of Embodiment 1, it demonstrates using FIG.1 and FIG.2.

The vehicle information control device 3 according to the fourth embodiment is configured such that each vehicle 4 detected by each temperature sensor 7 when the first automatic cooling operation of the air conditioner 2 is started by the air conditioning control device in a vehicle with zero passengers, 5,6-vehicle temperatures T ₁ and Loading calculates the average temperature inside the vehicle T _AV of, and with the average temperature inside the vehicle T _AV measures the third time S ₄ to reach a target temperature (e.g., about 25 ° C.), Time measuring means for measuring the fourth time S ₅ until the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 reaches the aforementioned target temperature, and the third time S ₄ is subtracted from the fourth time S ₅ . The air conditioning apparatus 2 is provided with cooling capacity determination means for determining that the cooling capacity of the air-conditioning apparatus 2 in which the calculated deviation is equal to or greater than a preset value is reduced.

Next, in the vehicle air conditioner management system configured as described above, a description will be given of an operation for determining the cooling capacity when the first automatic cooling operation is performed on the air conditioner 2 of the vehicle with zero passengers with reference to FIG. To do.
For example, if a driver or a conductor operates a touch panel display unit of the vehicle information control device 3 to select a normal automatic cooling operation before operating a three-car train, the vehicle information control device 3 performs the selection. Accordingly, a cooling operation command is transmitted to the air conditioning control device 1 of each vehicle 4, 5, 6 via the signal line 8. When the air-conditioning control device 1 receives the command, as shown in FIG. 6, if the temperature is equal to or higher than the target temperature, the air-conditioning device 2 performs the cooling operation with a cooling capacity of 100%. To control. Incidentally, three-car when the car temperatures T ₁ of each vehicle 4, 5, 6 or any one of the vehicle knitting is lower than the target temperature, or reducing the number of operating compressors, by lowering the operating frequency of the compressor Control is performed such that the cooling capacity is lowered and the in-vehicle temperature T ₁ approaches the set temperature.

On the other hand, the vehicle information control device 3 reads the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 via the signal line 8, and averages the inside of the vehicle The temperature T _AV is calculated, and the third time S ₄ until the average in-vehicle temperature T _AV reaches the target temperature is measured, and the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 reaches the set temperature. fourth time to measure the S _5.

Change in average inside temperature T _AV is decreases as indicated by the broken line shown in FIG. Further, the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 is decreased in a state of approaching the average in-vehicle temperature T _AV because the thermal load of each of the vehicles 4, 5, 6 is substantially the same (not shown). ) However, if the outdoor unit or the indoor unit is clogged, such as clogging, the cooling capacity decreases, and the vehicle whose cooling capacity has decreased has a decreasing rate of the in-vehicle temperature T ₁ as shown by the solid line in FIG. V ₁ is slower than the decrease speed V _AV of the average inside temperature T _AV, (time until lowering the cooling capacity) time for cooling control is delayed (S _5> S _4).

Vehicle information control unit 3, the average interior temperature T _AV reaches the target temperature, or to reduce the number of operating compressor as described above, to lower the operating frequency of the compressor reduces the cooling capacity. Then, the vehicle information control device 3 subtracts the third time S ₄ from the fourth time S _{5 for} each of the vehicles 4, 5, and 6 to obtain a deviation, and the obtained deviation is equal to or greater than a preset value. It determines with the air_conditioning | cooling capability of the air conditioner 2 which has become deteriorated. At this time, the vehicle information control device 3 displays the determination result on the display unit.

As described above, in the fourth embodiment, the third time S ₄ when the average vehicle interior temperature T _AV reaches the target temperature and the vehicle interior temperature T ₁ of each of the vehicles 4, 5, 6 reach the target temperature. fourth because so as to determine whether there is an air conditioner 2 reduced the cooling capacity based time and S ₅ in a short time easily determine a decrease in cooling capacity of the air conditioner 2 be able to.

Embodiment 5 FIG.
In the first to third embodiments described above, a test cooling operation command is transmitted from the vehicle information control device 3 to each air conditioning control device 1, and the determination result of the cooling capacity of the air conditioning device 2 is sent to the vehicle information control device 3. In the fifth embodiment, a test cooling operation command is transmitted from the remote service computer to the vehicle information control device 3 and the determination result of the cooling capacity of the air conditioner 2 is displayed in the display unit. The information is transferred from the vehicle information control device 3 to a remote service computer.

FIG. 7 is a conceptual diagram of a vehicle air conditioner management system according to the fifth embodiment.
The vehicle air conditioner management system shown in the figure includes a vehicle information control device 3 installed in the head vehicle 4 or 6, and a plurality of areas along the route, and wirelessly transmits and receives data to and from the vehicle information control device 3. The regional management station 100 that performs the management, the management computer 300 that receives and stores data received by the regional management station 100 via the network 200 such as the Internet, and analyzes the management computer 300 via the management computer 300 and the dedicated line 400. It is mainly composed of a service computer 500 connected and installed in a vehicle air conditioning maintenance company.

  In the vehicle air conditioner management system configured as described above, when performing the test cooling operation of the air conditioner 2 mounted on each vehicle 4, 5, 6, for example, the service computer 500 periodically performs the test cooling operation. The command is transmitted to the management computer 300 via a dedicated line. When the command for the test cooling operation is received, the management computer 300 transfers the command to the regional management station 100 via the network and causes the designated vehicle information control device 3 to receive the command. When the command for the test cooling operation is received, the vehicle information control device 3 transmits the command to the air conditioning control device 1 of each vehicle 4, 5, 6. The air conditioning control device 1 of each vehicle 4, 5, 6 controls the air conditioner 2 to perform the cooling operation with a cooling capacity of 100% when a command for the test cooling operation is received.

On the other hand, the vehicle information control device 3 reads the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 detected by the temperature sensor 7 installed in each of the vehicles 4, 5, 6. The cooling capacity of the air conditioner 2 is determined. The determination of the cooling capacity is performed in any of the first, second, and third embodiments described above. The vehicle information control device 3 wirelessly transmits the determination result of the cooling capacity obtained by the test cooling operation of the air conditioner 2 as data to the regional management station 100, via the network 200, the management computer 300 and the dedicated line. To the service computer 500. When the service computer 500 receives the data of the determination result of the cooling capacity, the service computer 500 displays the result on the display unit.

  As described above, by issuing a test cooling operation command from the service computer 500, it is possible to determine a decrease in the cooling capacity of the air conditioner 2 without a maintenance worker having to go to and operate a train of a plurality of cars. It becomes possible and labor saving is possible.

Embodiment 6 FIG.
In the above-described fifth embodiment, a test cooling operation command is transmitted from the remote service computer 500 to the vehicle information control device 3, and the determination result of the cooling capacity of the air conditioner 2 is remotely transmitted from the vehicle information control device 3. In the sixth embodiment, the data of each air conditioner 2 at the time of the test cooling operation is transferred from the vehicle information control device 3 to the remote service computer 500. The service computer 500 makes it possible to determine a decrease in the cooling capacity of a vehicle having a plurality of cars.

The configuration of the vehicle air conditioner management system in the sixth embodiment is the same as that in the fifth embodiment, and will be described with reference to FIG.
The vehicle air conditioner management system shown in the figure includes a vehicle information control device 3 installed in the head vehicle 4 or 6, and a plurality of areas along the route, and wirelessly transmits and receives data to and from the vehicle information control device 3. The regional management station 100 that performs the management, the management computer 300 that receives and stores data received by the regional management station 100 via the network 200 such as the Internet, and analyzes the management computer 300 via the management computer 300 and the dedicated line 400. It is mainly composed of a service computer 500 connected and installed in a vehicle air conditioning maintenance company.

  In the vehicle air conditioner management system configured as described above, when performing the test cooling operation of the air conditioner 2 mounted on each vehicle 4, 5, 6, for example, the service computer 500 periodically performs the test cooling operation. The command is transmitted to the management computer 300 via the dedicated line 400. When the command for the test cooling operation is received, the management computer 300 transfers the command to the regional management station 100 via the network 200 and causes the designated vehicle information control device 3 to receive the command. When the command for the test cooling operation is received, the vehicle information control device 3 transmits the command to the air conditioning control device 1 of each vehicle 4, 5, 6. The air conditioning control device 1 of each vehicle 4, 5, 6 controls the air conditioner 2 to perform the cooling operation with a cooling capacity of 100% when a command for the test cooling operation is received.

On the other hand, the vehicle information control device 3 reads the vehicle interior temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 and averages it from each vehicle interior temperature T _1. The in-vehicle temperature T _AV is calculated, and the first time S ₁ until the average in-vehicle temperature T _AV reaches the set temperature T is measured, and the in-vehicle temperature T ₁ of each of the vehicles 4, 5 and 6 becomes the set temperature T. The second time S ₂ until the time is reached is measured, and the measured first time S ₁ and second time S ₂ are transmitted as data to the regional management station 100 wirelessly, and the network 200, the management computer 300, and The data is transmitted to the service computer 500 via the dedicated line 400.

When the service computer 500 receives the first time S ₁ and the second time S ₂ as data, the service computer 500 subtracts the first time S ₁ from the _second time S ₂ to obtain respective deviations. It determines with the air_conditioning | cooling capability of the air conditioning apparatus 2 from which the calculated | required deviation became more than the preset value has fallen. And the service computer 500 displays the determination result of the cooling capacity obtained by the test cooling operation of the air conditioning apparatus 2 on the display unit.

  As described above, by determining the cooling capacity from the service computer 500, the determination of the cooling capacity can be performed collectively. As a result, the program capacity of the vehicle information control device 3 mounted on each of the vehicles 4, 5, and 6 in each of the plurality of both trains can be reduced, and labor can be saved when changing the program.

Embodiment 7 FIG.
In the sixth embodiment, the service computer 500 determines the cooling capacity of the air conditioner 2 based on the first time S ₁ and the second time S ₂ received as data. In the seventh embodiment, the cooling capacity of the air conditioner 2 is determined based on the deviation ΔT obtained by subtracting the average in-vehicle temperature T _AV from the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6. .

  The configuration of the vehicle air conditioner management system in the seventh embodiment is the same as that in the fifth embodiment, and will be described with reference to FIG.

  In the vehicle air conditioner management system configured as described above, when performing the test cooling operation of the air conditioner 2 mounted on each of the vehicles 4, 5, 6, as described above, the service computer 500 periodically A test cooling operation command is transmitted to the management computer 300 via the dedicated line 400. When the command for the test cooling operation is received, the management computer 300 transfers the command to the regional management station 100 via the network 200 and causes the designated vehicle information control device 3 to receive the command. When the command for the test cooling operation is received, the vehicle information control device 3 transmits the command to the air conditioning control device 1 of each vehicle 4, 5, 6. The air conditioning control device 1 of each vehicle 4, 5, 6 controls the air conditioner 2 to perform the cooling operation with a cooling capacity of 100% when a command for the test cooling operation is received.

On the other hand, the vehicle information control device 3 reads and reads the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 via the signal line 8. calculating the average temperature inside the vehicle T _AV from the vehicle interior temperatures T _1, the inside temperature T ₁ of the average inside temperature T _AV and each vehicle 4, 5, 6 when the elapsed set time S ₃ from the start of the test cooling operation data I Are transmitted wirelessly to the regional management station 100 and transmitted to the service computer 500 via the line network 200, the management computer 300, and the dedicated line 400.

Service computer 500, when the inside temperature T ₁ of the average inside temperature T _AV and each vehicle 4, 5 is received as data, the mean inside temperature T _AV from the vehicle interior temperature T ₁ of the each vehicle 4,5,6 Are subtracted from each other to obtain a deviation ΔT, and when the obtained deviation ΔT is equal to or greater than a preset value, it is determined that the cooling capacity of the air-conditioning apparatus 2 having the deviation equal to or greater than the value is reduced. And the service computer 500 displays the determination result of the cooling capacity obtained by the test cooling operation of the air conditioning apparatus 2 on the display unit.

  As described above, in the seventh embodiment, as in the above-described sixth embodiment, by determining the cooling capacity from the service computer 500, the determination of the cooling capacity can be performed collectively. As a result, the program capacity of the vehicle information control device 3 mounted on each of the vehicles 4, 5, and 6 in each of the plurality of both trains can be reduced, and labor can be saved when changing the program.

Embodiment 8 FIG.
In the seventh embodiment, the service computer 500 determines the cooling capacity of the air conditioner 2 based on the deviation ΔT obtained by subtracting the average in-vehicle temperature T _AV from the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6. However, in the eighth embodiment, the cooling capacity of the air conditioner 2 is based on the deviation obtained by subtracting the average temperature decrease speed V _AV from the in-vehicle temperature decrease speed V _{1 of} each vehicle 4, 5, 6. This determination is made.

  The configuration of the vehicle air-conditioner management system in the eighth embodiment is the same as that in the fifth embodiment, and will be described with reference to FIG.

  In the vehicle air conditioner management system configured as described above, when performing the test cooling operation of the air conditioner 2 mounted on each of the vehicles 4, 5, 6, as described above, the service computer 500 periodically A test cooling operation command is transmitted to the management computer 300 via the dedicated line 400. When the command for the test cooling operation is received, the management computer 300 transfers the command to the regional management station 100 via the network 200 and causes the designated vehicle information control device 3 to receive the command. When the command for the test cooling operation is received, the vehicle information control device 3 transmits the command to the air conditioning control device 1 of each vehicle 4, 5, 6. The air conditioning control device 1 of each vehicle 4, 5, 6 controls the air conditioner 2 to perform the cooling operation with a cooling capacity of 100% when a command for the test cooling operation is received.

On the other hand, the vehicle information control device 3 reads and reads the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 detected by the temperature sensor 7 installed in each vehicle 4, 5, 6 via the signal line 8. it calculates the average temperature inside the vehicle T _AV from the vehicle interior temperature T _1, to calculate the average temperature decrease rate V _AV of the average inside temperature T _AV when the elapsed set time S ₃ from the start of the test cooling operation, each vehicle 4 The in-vehicle temperature decrease rate V ₁ of the in-vehicle temperature T ₁ of 5, 6 is calculated, and the calculated average temperature decrease rate V _AV and the in-vehicle temperature decrease rate V ₁ of the in-vehicle temperature T ₁ of each vehicle 4, 5, 6 are data. Are transmitted wirelessly to the regional management station 100 and transmitted to the service computer 500 via the line network 200, the management computer 300, and the dedicated line 400.

When the service computer 500 receives the average temperature decrease rate V _AV and the in-vehicle temperature decrease rate V ₁ of the in-vehicle temperature T ₁ of each vehicle 4, 5, 6, the in-vehicle temperature of each vehicle 4, 5, 6. Deviations are obtained by subtracting the average temperature reduction rate V _AV from the reduction rate V _1, and it is determined that the cooling capacity of the air conditioner 2 in which the obtained deviation is equal to or greater than a preset value is reduced. And the service computer 500 displays the determination result of the cooling capacity obtained by the test cooling operation of the air conditioning apparatus 2 on the display unit.

  As described above, in the eighth embodiment, as in the sixth and seventh embodiments described above, by determining the cooling capacity from the service computer 500, the determination of the cooling capacity can be performed collectively. As a result, the program capacity of the vehicle information control device 3 mounted on each of the vehicles 4, 5, and 6 in each of the plurality of both trains can be reduced, and labor can be saved when changing the program.

Embodiment 9 FIG.
In the eighth embodiment, the cooling capacity of the air conditioner 2 is determined by the vehicle information control device 3 mounted on a vehicle having a plurality of cars. However, the ninth embodiment is the sixth, seventh, and eighth embodiments. Similarly, the service computer 500 determines the cooling capacity of the air conditioner 2.

  The configuration of the vehicle air conditioner management system in the ninth embodiment is the same as that in the fifth embodiment, and will be described with reference to FIG.

  The vehicle air conditioner management system shown in the figure includes a vehicle information control device 3 installed in the head vehicle 4 or 6, and a plurality of areas along the route, and wirelessly transmits and receives data to and from the vehicle information control device 3. The regional management station 100 that performs the management, the management computer 300 that receives and stores data received by the regional management station 100 via the network 200 such as the Internet, and analyzes the management computer 300 via the management computer 300 and the dedicated line 400. It is mainly composed of a service computer 500 connected and installed in a vehicle air conditioning maintenance company.

  In the vehicle air conditioner management system configured as described above, when a command for the first automatic cooling operation is issued from the service computer 500, the command is sent to the dedicated line 400, the management computer 300, the line network 200, and the management computer 300. In order, it is sent to the vehicle information control device 3 mounted on the vehicle of the designated plural-car train. When a command for the first automatic cooling operation is received in a vehicle with zero passengers, the vehicle information control device 3 sends the command to the air conditioning control device 1 mounted in each of the vehicles 4, 5, 6, and the air conditioner 2 is cooled.

In this case, the vehicle information control unit 3, the mean inside temperature T _AV is calculated, and the target average inside temperature T _AV reads the inside temperature T ₁ of the respective vehicles 4, 5, 6 detected by the temperature sensor 7 The third time S ₄ until the temperature (for example, about 25 ° C.) is measured is measured, and the fourth time S ₅ until the in-vehicle temperature T ₁ of each of the vehicles 4, 5, 6 reaches the target temperature is calculated. The measured third time S ₄ and the measured fourth time S ₅ are transmitted as data to the regional management station 100 wirelessly and sent to the service computer 500 via the network 200, the management computer 300, and the dedicated line 400. Send.

Service computer 500, when the third time S ₄ as the data is the fourth time S ₅ is received, the third time subtracting S ₄ from a fourth time S ₅ for each vehicle 4,5,6 Each deviation is obtained, and it is determined that the cooling capacity of the air conditioner 2 in which the obtained deviation is equal to or greater than a preset value is reduced. And the service computer 500 displays the determination result of the cooling capacity obtained by the test cooling operation of the air conditioning apparatus 2 on the display unit.

  As described above, in the ninth embodiment, similarly to the sixth, seventh, and eighth embodiments described above, the determination of the cooling capacity can be performed collectively by determining the cooling capacity from the service computer 500. . As a result, the program capacity of the vehicle information control device 3 mounted on each of the vehicles 4, 5, and 6 in each of the plurality of both trains can be reduced, and labor can be saved when changing the program.

  DESCRIPTION OF SYMBOLS 1 Air-conditioning control apparatus, 1a Information acquisition means, 1b Control means, 2 Air conditioning apparatus, 3 Vehicle information control apparatus, 4, 5, 6 Vehicle, 7 Temperature sensor, 8 Signal line, 100 Regional management station, 200 Line network, 300 Management computer, 400 leased line, 500 service computer.

Claims (9)

An air conditioner mounted on each vehicle in a plurality of cars,
A temperature sensor provided in each vehicle for detecting the temperature inside the vehicle;
A vehicle information control device that has a function of controlling the opening and closing of the doors of each vehicle of a plurality of both trains, and that transmits a test cooling operation command when receiving an instruction of the test cooling operation;
An air conditioning control device for performing a test cooling operation of the air conditioner with a preset cooling capacity when receiving a command for the test cooling operation;
The vehicle information control device includes:
When the air-conditioning apparatus starts a test cooling operation, the vehicle interior temperature of each vehicle detected by each temperature sensor is read to calculate an average vehicle interior temperature, and a first time until the average vehicle interior temperature reaches a set temperature is calculated. Time measuring means for measuring a second time until the in-vehicle temperature of each vehicle reaches a set temperature,
A cooling capacity determination for subtracting the first time from the second time to obtain respective deviations, and determining that the cooling capacity of the air-conditioning apparatus in which the obtained deviation is equal to or greater than a preset value has decreased. And a vehicle air conditioner management system. An air conditioner mounted on each vehicle in a plurality of cars,
A temperature sensor provided in each vehicle for detecting the temperature inside the vehicle;
A vehicle information control device that has a function of controlling the opening and closing of the doors of each vehicle of a plurality of both trains, and that transmits a test cooling operation command when receiving an instruction of the test cooling operation;
An air conditioning control device for performing a test cooling operation of the air conditioner with a preset cooling capacity when receiving a command for the test cooling operation;
The vehicle information control device includes:
When the air-conditioning apparatus starts test cooling operation, it reads the in-vehicle temperature of each vehicle detected by each temperature sensor, calculates the average in-vehicle temperature from the read in-vehicle temperature, and sets the time from the start of the test cooling operation. Temperature holding means for holding the average vehicle interior temperature and the vehicle interior temperature of each vehicle after passing,
A cooling capacity determination means for subtracting the average vehicle interior temperature from the vehicle interior temperature of each vehicle to determine a deviation, and determining that the cooling capacity of the air conditioner in which the calculated deviation is equal to or greater than a preset value is reduced. And a vehicle air conditioner management system. An air conditioner mounted on each vehicle in a plurality of cars,
A temperature sensor provided in each vehicle for detecting the temperature inside the vehicle;
A vehicle information control device that has a function of controlling the opening and closing of the doors of each vehicle of a plurality of both trains, and that transmits a test cooling operation command when receiving an instruction of the test cooling operation;
An air conditioning control device for performing a test cooling operation of the air conditioner with a preset cooling capacity when receiving a command for the test cooling operation;
The vehicle information control device includes:
When the air-conditioning apparatus starts test cooling operation, it reads the in-vehicle temperature of each vehicle detected by each temperature sensor, calculates the average in-vehicle temperature from the read in-vehicle temperature, and sets the time from the start of the test cooling operation. A temperature decrease rate calculating means for calculating an average temperature decrease rate of the average vehicle interior temperature when elapses, and calculating an in-vehicle temperature decrease rate of the in-vehicle temperature of each vehicle;
The average temperature decrease rate is subtracted from the in-vehicle temperature decrease rate of each vehicle to obtain respective deviations, and the air conditioner in which the obtained deviation is equal to or greater than a preset value determines that the cooling capacity of the air conditioner has decreased. A vehicle air conditioner management system comprising: a capability determination unit. A command for test cooling operation is transmitted to the regional management station installed along the route via the network, and the vehicle is transferred from the regional management station to the vehicle information control device of each vehicle of the designated plural cars. Equipped with a computer that performs a test cooling operation of the air conditioner installed in the
4. The vehicle information control device according to claim 1, wherein the vehicle information control device transmits a determination result of a cooling capacity of an air conditioner provided in each vehicle from the regional management station to the computer via a network. The vehicle air conditioner management system according to claim 1. It has a function to control the opening and closing of the doors of each vehicle in a multi-car train, and when a test cooling operation command is received, the test cooling operation command is sent to the air conditioning control device, and the preset cooling capacity A vehicle information control device for causing the air conditioner to perform a test cooling operation at
A computer for transmitting a test cooling operation command to a regional management station installed along a route via a network and transferring the command from the regional management station to the vehicle information control device of a specified plurality of vehicles. ,
The vehicle information control device reads an in-vehicle temperature detected by a temperature sensor provided in each vehicle when the air conditioner starts a test cooling operation, calculates an average in-vehicle temperature, and the average in-vehicle temperature Measuring the first time until the vehicle reaches the set temperature, measuring the second time until the in-vehicle temperature of each vehicle reaches the set temperature, and using the measured first and second times as data, Sent from the regional management office to the computer via the network,
When the first and second times are received as data, the computer obtains a deviation by subtracting the first time from the second time, and the obtained deviation is equal to or greater than a preset value. It is determined that the cooling capacity of the air conditioning apparatus that has become deteriorated. It has a function to control the opening and closing of the doors of each vehicle in a multi-car train, and when a test cooling operation command is received, the test cooling operation command is sent to the air conditioning control device, and the preset cooling capacity A vehicle information control device for causing the air conditioner to perform a test cooling operation at
A computer for transmitting a test cooling operation command to a regional management station installed along a route via a network and transferring the command from the regional management station to the vehicle information control device of a specified plurality of vehicles. ,
The vehicle information control device reads an in-vehicle temperature detected by a temperature sensor provided in each vehicle when the air conditioner starts a test cooling operation, and calculates an average in-vehicle temperature from the read in-vehicle temperature. In addition, the average vehicle temperature when the set time has elapsed from the start of the test cooling operation and the vehicle interior temperature of each vehicle are sent as data to the computer via the network from the regional management station,
When the computer receives the average vehicle interior temperature and the vehicle interior temperature of each vehicle as data, the computer calculates the deviation by subtracting the average vehicle interior temperature from the vehicle interior temperature of each vehicle, and the obtained deviation is a preset value. It is determined that the cooling capacity of the air-conditioning apparatus that has become above is lowered. It has a function to control the opening and closing of the doors of each vehicle in a multi-car train, and when a test cooling operation command is received, the test cooling operation command is sent to the air conditioning control device, and the preset cooling capacity A vehicle information control device for causing the air conditioner to perform a test cooling operation at
A computer for transmitting a test cooling operation command to a regional management station installed along a route via a network and transferring the command from the regional management station to the vehicle information control device of a specified plurality of vehicles. ,
The vehicle information control device reads an in-vehicle temperature detected by a temperature sensor provided in each vehicle when the air conditioner starts a test cooling operation, and calculates an average in-vehicle temperature from the read in-vehicle temperature. The average temperature decrease rate of the average vehicle interior temperature when the set time has elapsed from the start of the test cooling operation is calculated, the vehicle interior temperature decrease rate of the vehicle interior temperature of each vehicle is calculated, and the calculated average temperature decrease rate and each vehicle As a data, the temperature drop rate of the in-vehicle temperature is transmitted from the regional management station to the computer via the network,
When the average temperature decrease rate and the in-vehicle temperature decrease rate of the in-vehicle temperature of each vehicle are received as data, the computer calculates a deviation by subtracting the average temperature decrease rate from the in-vehicle temperature decrease rate of each vehicle. It is determined that the cooling capacity of the air conditioner for which the deviation is equal to or greater than a preset value is reduced. An air conditioner mounted on each vehicle in a plurality of cars,
A temperature sensor provided in each vehicle for detecting the temperature inside the vehicle;
A vehicle information control device that issues a command for the initial automatic cooling operation when a normal first automatic cooling operation instruction is received in a vehicle with zero passengers and a function to control the opening and closing of the doors of each vehicle in a plurality of cars When,
An air conditioning control device for cooling the air conditioner when receiving the first automatic cooling operation command,
The vehicle information control device includes:
When the air conditioning apparatus starts the initial automatic cooling operation, the vehicle interior temperature of each vehicle detected by each temperature sensor is read to calculate the average vehicle interior temperature, and the average vehicle interior temperature until the average vehicle interior temperature reaches the target temperature is calculated. Time measuring means for measuring the time 3 and measuring the fourth time until the in-vehicle temperature of each vehicle reaches the target temperature;
A cooling capacity determination for subtracting the third time from the fourth time to obtain respective deviations, and determining that the cooling capacity of the air-conditioning apparatus in which the obtained deviation is equal to or greater than a preset value has decreased. And a vehicle air conditioner management system. It has a function to control the opening and closing of the doors of each vehicle in a multi-car train, and when a command for the first automatic cooling operation is received in a vehicle with zero passengers, the command for the first automatic cooling operation is sent to the air conditioning controller. A vehicle information control device for cooling the air conditioner,
A computer for transmitting a command for the first automatic cooling operation to a regional management station installed along a route via the network and transferring the command from the regional management station to the vehicle information control device of a specified plurality of vehicles. Prepared,
The vehicle information control device reads an in-vehicle temperature of each vehicle detected by each temperature sensor when the air conditioner starts an initial automatic cooling operation, calculates an average in-vehicle temperature, and the average in-vehicle temperature is The third time until reaching the target temperature is measured, the fourth time until the in-vehicle temperature of each vehicle reaches the target temperature is measured, and the measured third and fourth times are used as data, and the region Sent from the management station to the computer via the network,
When the third time and the fourth time are received as data, the computer obtains a deviation by subtracting the third time from the fourth time, and the obtained deviation is a preset value. It is determined that the cooling capacity of the air-conditioning apparatus that has become above is lowered.

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