JPS63210545A - Air conditioner controller - Google Patents

Abstract

PURPOSE:To prevent overcooling or overheating of a room by suppressing an abrupt change in the temperature, with respect to a rapid change in the temperature, with respect to a rapid change in the indoor temperature, by catching the instantaneous value and operating the air conditioner, and suppressing the variation of the indoor temperature due to the action of the air conditioner with respect to a gradual change in the indoor temperature by gradually changing the working ratio of the air conditioner based on set outputs on many points. CONSTITUTION:Since a temperature adjuster 15 catches the temperatures digitally on many points, the controller 20 immediately changes the operational condition of coolers 6 and 7 with respect to a rapid temperature change. For example, in a case where the indoor temperature has risen until setting switches 16, 17, 18 and 19 are all turned on by opening a door, when only the setting switch 16 is turned on and coolers 6 and 7 are operated, the coolers 6 and 7 enter full operations, and hence the temperature rise is prevented. When the indoor temperature is lowered by the operation of the coolers 6 and 7 from this state, the working ratio of the coolers 6 and 7 is gradually lowered, and hence the rapid temperature lowering is controlled.

Description

[Detailed Description of the Invention] [Object of the Invention] [Industrial Application Field] The present invention relates to an air conditioning control device, and particularly to a vehicle air conditioner, which is used to maintain an appropriate indoor temperature against sudden disturbance conditions. The present invention relates to a suitable air conditioning control device.

(Prior Art) FIG. 3 shows a block diagram of a conventional air conditioning control device. As shown in the figure, the cooler 6.7 is controlled on and off by the controller 5, and its operating point is arbitrarily determined by the temperature controller 2 having a setting switch 3.4. This temperature regulator 2 compares the indoor temperature detected by the temperature sensor 1 with the set operating point, and
．． The coolers 6 and 7 are operated by controlling on/off of the cooler 4.

The relationship between the indoor temperature and the operation of the coolers 6 and 7 in this case is as shown in the time chart of FIG.

In other words, as shown in the same figure (A), temperature setting level 8,
9 is compared with the indoor temperature 10 detected by the temperature sensor 1, and if the indoor temperature 10 is equal to or higher than the temperature setting level 9, the setting switch 4 is turned on and the cooler 7 is turned on, as shown in FIG. If the indoor temperature 10 is equal to or higher than the temperature setting level 8, the setting switch 3 is also turned on to operate the cooler 6, as shown in FIG.

In this way, the problem when determining a certain setting level 8.9 and operating the cooler 6.7 based on this is how to set the operating points of the setting switches 3 and 4 of the temperature controller 2. It's somewhere like that.

In other words, if you shorten the setting interval between setting levels 8 and 9 that determine the operating point, the time to operate between setting levels 8 and 9 will become shorter, and the time to stop at setting level 9 or lower and the time to operate at setting level 8 or higher will become shorter. The time will be longer and the temperature change will be larger.

Also, in this case, raising the operating point setting level will make it hotter.
If this is lowered, the temperature will become too cold, making it extremely difficult to set the level.

Next, if the interval between setting levels 8 and 9 is widened, cooler 6
．． Half of the 7s are driven longer.

Therefore, in this case as well, there is a problem that if the setting level is increased, it becomes difficult for the coolers 6.7 to fill all the parts and the temperature becomes hot, and if the setting level is lowered, half of the coolers 6.7 will be operated for a long time, resulting in excessive cooling.

FIG. 5 is a time chart showing an example of control when the operating rate of the cooler 6.7 is continuously controlled in the configuration shown in FIG. In this control method, a certain period is determined as shown in FIG. 2A, and the operating rate of the cooler 6.7 is determined by comparing the indoor temperature 10 within that period with the control pattern 14.

be. One period set in this case refers to the minimum time period in which the cooler 6.7 can operate on and off,
During this time, the operating time of the coolers 6 and 7 is determined, as shown in FIG.

For example, if the indoor temperature 10 is above the control pattern 14, the operating time is 100% cooler, and if it is in the middle, the operating time is 50% cooler.

Although this continuous operation rate control is an effective means for solving the problems associated with controlling the vehicle interior temperature by level setting, this method has the disadvantage that it cannot cope with sudden changes in the interior temperature.

In other words, although the cooler operates within a certain period, for example, after the cooler is turned off, even if the indoor temperature changes, the cooler operation cannot be started until a preset period has elapsed. In addition, this cycle is a value determined by the cooler operation, for example, approximately 6 minutes and seconds, and if the interior temperature rises due to a sudden increase in the number of passengers in the vehicle during this period, service will be degraded. There's a problem.

(Problems to be Solved by the Invention) Therefore, the purpose of the present invention is to solve the above-mentioned problems of the prior art, eliminate excessively hot or cold indoor temperatures caused by simple level settings, and eliminate sudden changes in indoor temperature. The purpose of this invention is to provide an air conditioning control device that can effectively cope with the situation.

[Structure of the invention]

(Means for Solving the Problems) As a means for solving the above problems, the present invention provides a sensor for detecting indoor temperature, and outputs the detected value of the sensor as a plurality of stepwise operation setting values. temperature control means;
The present invention provides an air conditioning control device including a control means for controlling the operating rate of an air conditioner in stages based on the output of a temperature adjustment means.

(Function) With the above means, the air conditioning control device of the present invention suppresses sudden changes in indoor temperature by capturing the instantaneous value and operating the air conditioner, and suppresses sudden changes in indoor temperature. The operating rate of the air conditioner is gradually changed by setting outputs at multiple points to suppress changes in indoor temperature due to air conditioner operation.

(Example) Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is a block diagram of an air conditioning control device according to an embodiment of the present invention.

As shown in the figure, the output signal of the temperature sensor 1 is introduced into a temperature controller 15, and converted into a digital multi-point signal by setting switches 16-19. In other words, the setting switches 16 and 17 are turned on sequentially as the temperature rises.
, 18. When all setting switches of 18 and 19 are off, all coolers 6 and 7 are inactive. When setting switch 16 is on, coolers 6 and 7 are operated at 25%, and when setting switches 16 and 17 are on. The cooler 6.7 is running at 50%, and when the setting switch 16, 17, and 18 are on, the cooler 6.7 is running at 75%.
When % operation and all setting switches are on, cooler 6
．． Set switch 16.1 so that 7 is 100% operation.
7, 18, and 19 temperature setting levels are set.

Temperature controller 15 setting switch 16.17°18.19
The signal is introduced into the control unit 21 of the controller 20, and the cooler 6
．． 7 on/off control, that is, the operating rate.

The operation of this configuration will now be explained with reference to the time chart of FIG. 2. 4A shows the operating state of the cooler 6, and FIG. 3B shows the operating state of the cooler 7.

Since the temperature regulator 15 digitally captures the temperature at multiple points, the controller 20 can immediately change the operating conditions of the cooler 6-27 in response to sudden temperature changes.

For example, when only the setting switch 16 is on and the cooler 6.7 is in operation, the setting switch 16
．． When the indoor temperature rises until all of the coolers 17, 18, and 19 are turned on, all of the coolers 6 and 7 enter 100% operation, thereby preventing overheating. From this state, as the indoor temperature decreases due to the action of the cooler 6.7, the operating rate of the cooler 6.7 gradually decreases.
A rapid temperature drop is suppressed.

In other words, since the operation rate of the cooler 6.7 can be finely controlled by the action of the control unit 21, it is possible to minimize temperature changes due to the operation of the cooler 6.7.

〔Effect of the invention〕

As described above, according to the present invention, since the setting switch digitally immediately follows sudden changes in indoor temperature, air conditioning can be controlled in a direction that prevents sudden changes in indoor temperature. is Fill function, and even if the indoor temperature changes gradually, the operation rate of the air conditioner is gradually changed in stages, so the temperature change due to the air conditioner operation also changes gradually, preventing it from becoming too cold or too hot. It is possible to obtain an air conditioning control device that can perform

[Brief explanation of the drawing]

Fig. 1 is a block diagram of an air conditioning control device according to an embodiment of the present invention, Fig. 2 is a time chart for explaining the operation of the configuration shown in Fig. 1, and Fig. 3 is a block diagram of a conventional air conditioning control device. , FIG. 4 is a time chart for explaining the operation of the configuration shown in FIG. 3, and FIG. 5 is a time chart for explaining the operation of the conventional continuous operation rate control. DESCRIPTION OF SYMBOLS 1... Temperature sensor, 2, 15... Temperature regulator, 5°20... Controller, 6, 7... Cooler, 21... Control unit. Figure 1 Figure 2

Claims (1)

[Claims] 1. A sensor for detecting indoor temperature, a temperature control means for outputting the detected value of this sensor as a plurality of stepwise operation setting values, and an air conditioning system based on the output of the temperature control means. An air conditioning control device comprising a control means for controlling the operating rate of an air conditioner in stages. 2. The control means according to claim 1, wherein the control means includes means for controlling the operating rate of the air conditioners by controlling the number of air conditioners and their respective on/off times. Air conditioning control equipment.