JP2005296739A - Garbage treatment machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a garbage treatment machine in which the moisture content of the garbage in a treatment tank can be estimated correctly by simple constitution over a long period of time and the operation of which can be controlled optimally according to the estimated moisture content. <P>SOLUTION: This garbage treatment machine is provided with: the treatment tank 3 for housing/treating garbage; a heating means 19 for heating the garbage housed in the treatment tank 3; a temperature sensor 15 arranged on an outer wall of the bottom of the treatment tank for detecting the temperature of the garbage housed in the treatment tank; a storing means for storing the temperature detected by the temperature sensor 15; a temperature change detecting means for detecting a temperature change of the garbage housed in the treatment tank on the basis of the output of the storing means; and a control part 21 for controlling the output of the heating means 19 according to the extent of the temperature change when the temperature change detecting means detected that the temperature of the garbage housed in the treatment tank is changed. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a garbage disposal machine for treating garbage by the action of microorganisms.

In this kind of garbage processing machine, paying attention to the fact that the temperature of the air in the treatment tank immediately after stirring the garbage in the treatment tank changes according to the moisture content in the treatment tank, What has arrange | positioned the temperature sensor in the upper space in a processing tank, without using a moisture content sensor in order to detect a moisture content is known. And the temperature change amount is calculated from the temperature after stirring the garbage detected by the temperature sensor and after stirring, the moisture content in the treatment tank is estimated based on the result, and according to the estimated moisture content The output of the heater that heats the inside of the treatment tank is controlled (for example, see Patent Document 1).
Japanese Patent Laid-Open No. 9-253604

  However, since the temperature sensor is disposed in the space above the processing tank, dust generated when the garbage is agitated adheres to the surface of the temperature sensor. Accurate temperature cannot be detected if dust adhering to the surface of the temperature sensor accumulates over a long period of time, and the reliability of the temperature detected by the temperature sensor decreases. In addition to being unable to estimate, there are disadvantages that optimal control according to the moisture content cannot be performed.

  In addition, since the heat held by the garbage is released into the upper space in the treatment tank immediately after stirring the garbage, the temperature of the upper space in the treatment tank changes momentarily. The temperature of the heat released from the garbage is as follows: it is mixed with the outside air taken in and changes suddenly, and the heat distribution of the garbage released into the space above the treatment tank is difficult to be uniform. There was a drawback that it was difficult to detect.

  The present invention has been made in order to solve such a problem, and it is possible to accurately estimate the moisture content in the treatment tank over a long period of time with a simple configuration, and to perform optimal control according to the moisture content. It is an object of the present invention to provide a garbage disposal machine that can be used.

  Means for solving the above-mentioned problems are disposed on a processing tank for storing and processing garbage, a heating means for heating the inside of the processing tank, and an outer wall of the bottom of the processing tank. A temperature sensor to detect, a storage means for storing the temperature detected by the temperature sensor, a temperature change detection means for detecting a temperature change of the contents in the processing tank based on an output of the storage means, and a temperature change detection means When the temperature change of the storage thing in a tank is detected, the control part which controls the output of a heating means according to the degree of the temperature change is provided.

  In the means for solving the above-mentioned problems, the garbage processing machine detects an input port through which garbage is input into the processing tank, an input door that closes the input port in an openable and closable manner, and opening / closing of the input door. Open / close detecting means, and the controller detects the temperature detected by the temperature sensor before the garbage is introduced into the treatment tank and after the garbage door is closed and the temperature after a predetermined time has elapsed after closing the entry door. The output of the heating means may be controlled according to the difference.

In addition, the control unit sets a threshold value for the degree of temperature change detected by the temperature change detection unit, sets an output of the heating unit according to the threshold value, and stores the contents in the processing tank detected by the temperature change detection unit. The output of the heating means may be controlled by determining which threshold value the temperature change value belongs to.

  Moreover, the said garbage processing machine may further be provided with the outside temperature sensor which detects outside temperature, and the said control part may correct | amend the said threshold value according to the outside temperature which an outside temperature sensor detects.

  In addition, while the garbage processing machine is performing an operation in which the output of the heating unit is controlled according to the degree of temperature change of the storage container, the temperature of the storage container is a predetermined temperature. When the temperature sensor detects that the temperature has risen to the above level, the operation is stopped, and after the operation is stopped, the operation is stopped when the temperature sensor detects that the temperature of the contents stored in the processing tank has dropped below a predetermined temperature. You may perform the driving | running which reduced the output of the heating means rather than before stopping.

  The garbage processing machine further includes a stirring shaft that is rotatably mounted on both side walls of the treatment tank, and a plurality of stirring blades standing on the stirring shaft, and the temperature sensor includes a stirring blade. You may arrange | position on a rotation locus.

  According to the configuration of claim 1 of the present invention, it is possible to accurately detect the degree of temperature change in the processing tank by detecting the temperature of the stored contents in the processing tank. With a simple configuration called a temperature sensor, the moisture content in the treatment tank can be accurately estimated, and optimal control according to the moisture content can be performed. In addition, since the temperature sensor is disposed on the outer wall of the processing tank, it is possible to prevent dust from adhering to the temperature sensor and improve the reliability of the temperature sensor.

  According to the configuration of the second aspect of the present invention, the storage in the processing tank can be performed only by detecting the temperature of the storage in the processing tank before the garbage is input and after the predetermined time has elapsed since the closing of the input lid after the garbage is input. Since the degree of temperature change of the object can be detected, there is no need to store a large amount of temperature data of the storage tank, and the capacity of the storage means can be reduced.

  According to the configuration of the third aspect of the present invention, it is not necessary to store table data for each degree of temperature change by setting a threshold for determining the degree of temperature change of the contents in the processing tank. There is an effect that the capacity of the storage means can be reduced.

  According to the configuration of the fourth aspect of the present invention, since the temperature of the processing tank contents affected by the outside air temperature can be corrected according to the outside air temperature, the degree of the temperature change of the processing tank contents is more accurate. As a result, the moisture content of the stored contents in the processing tank can be estimated more accurately, and the optimum control according to the moisture content can be performed.

  According to the configuration of the fifth aspect of the present invention, it is possible to suppress drying of the stored contents in the processing tank and to achieve effects such as reduction of power consumption.

  According to the configuration of the sixth aspect of the present invention, since the temperature sensor is disposed on the rotation trajectory of the agitating blade, the contents stored in the processing tank at the position corresponding to the temperature sensor are not stirred. Can be prevented, and the temperature of the contents stored in the processing tank that is always stirred uniformly by the stirring blade can be detected, so that the accuracy of temperature detection of the contents stored in the processing tank can be improved. There is an effect.

(First embodiment)
A first embodiment of a garbage disposal machine according to the present invention will be described with reference to FIGS. 1 to 6 and Table 1. FIG. The garbage processing machine of the present invention agitates the main body case 1, a processing tank 3 disposed in the main body case 1 and containing a carrier 2 for cultivating microorganisms for processing garbage, and the inside of the processing tank 3. A stirring means 4, an exhaust passage 6 through which the air in the treatment tank 3 is exhausted to the outside of the main body case 1 through the exhaust port 5, a deodorizing device 7 for removing the odor of the air passing through the exhaust passage 6, An opening 8 is opened on the upper surface of the main body case 1 and is composed of a loading port 8 into which the garbage is put into the treatment tank 3 and a loading door 9 that closes the loading port 8 so as to be freely opened and closed (see FIGS. 1 to 4). ).

  The processing tank 3 has a substantially U-shaped side cross section that opens upward. The stirring means 4 is composed of a stirring shaft 10 that is rotatably mounted between the left and right side walls of the treatment tank 3 and a plurality of stirring blades 11 that are erected on the stirring shaft 10. The stirring means 4 is periodically rotated for a predetermined time by connecting a stirring gear 12 fixed to the stirring shaft 10 to a motor gear 14 fixed to the output shaft of the stirring motor 13 by a connecting means (not shown). At the same time, it is rotated for a predetermined time immediately after the garbage is thrown in or at the time of discharge of the processed material. In addition, a temperature sensor 15 that detects the temperature of the contents in the processing tank via the processing tank 3 is disposed on the outer wall of the bottom of the processing tank so as to be positioned on the rotation trajectory of the stirring blade 11 (FIG. 2 to 4).

  The exhaust passage 6 communicates with the heat exchange chamber 16 formed at the bottom of the treatment tank via the exhaust port 5 formed on the inner wall of the main body case 1 above the treatment tank 3 and the deodorizing device 7, and from the heat exchange chamber 16. The outside air communicates with the blower fan 17 and the discharge port 18 formed in the bottom of the main body case 1. By driving the blower fan 17, the air in the processing tank 3 is forcibly exhausted to the outside of the main body case 1 through the exhaust passage 6 (see FIGS. 2 and 4).

  The deodorizing device 7 is composed of a heater 19 as a heating means for heating air passing through the exhaust passage 6 and a catalyst 20 disposed on the downstream side of the heater 19. The air passing through the flow path 6 is heated, and the odor can be removed by the catalyst 20 heated by the heated air. Moreover, since the heated air which passes the deodorizing apparatus 7 flows in into the heat exchange chamber 16 formed in the processing tank bottom part, while being able to heat the processing tank 3 with the heat, in order to heat the processing tank 3 The air deprived of heat can be exhausted through the exhaust port 18 without any particular cooling treatment.

  A charging port 8 opened on the upper surface of the main body case 1 communicates with the processing tank 3. The insertion port 8 is closed so as to be opened and closed by a loading door 9 configured to be opened and closed by a hinge or the like. The closing door 9 can detect whether the closing door 9 is opened or closed by an opening / closing detecting means (not shown) (see FIGS. 2 and 3).

  The control unit 21 of the garbage processing machine of the present invention is connected to a power supply unit 22 for supplying power to the input side, a processing tank temperature detection unit 23 by a temperature sensor 15, and a closing door open / close detection unit 24 by an open / close detection means. A heater driving unit 25 that drives the heater 19, a stirring motor driving unit 26 that drives the stirring motor 13, and a blower fan driving unit 27 that drives the blowing fan 17 are connected to the side (see FIG. 5).

  The garbage processing machine configured in this way opens / closes the closing door 9 when the closing door 9 is opened and the closing door 9 is closed by opening the closing door 9 and closing the charging door 9. Is detected and the stirring means 4 is rotated for a predetermined time. Garbage thrown into the treatment tank 3 by the stirring means 4 is mixed with the carrier 2, and the garbage is decomposed by the action of microorganisms that live on the carrier 2, and oxygen is supplied to the microorganisms. Further, by driving the blower fan 17 and exhausting the moist air in the processing tank 3 to the outside of the main body case 1, the inside of the processing tank 3 is prevented from becoming a high humidity state, and the inside of the processing tank 3 Make the humidity environment suitable for the activity. In addition, the heater 19 deodorizes the air exhausted from the main body case 1 and maintains the inside of the treatment tank 3 at an optimum temperature for the activity of microorganisms, thereby promoting the activity of microorganisms.

  When the input door 9 is opened during the operation of the garbage disposal machine, the open / close detection means detects this state, and the control unit 21 stops the driving of the stirring means 4. With this configuration, the user can be prevented from touching the stirring means 4 that is being driven.

  Next, the automatic operation based on the output of the temperature sensor 15 will be described in detail below based on the flowchart of FIG. The temperature detection of the contents in the processing tank by the temperature sensor 15 is performed periodically, and the result is stored in a storage means (not shown) placed in the control unit 21. In addition, a temperature change detection unit (not shown) that detects a temperature change of the stored contents in the processing tank based on the output of the storage unit is placed in the control unit 21.

  Immediately after the power is turned on, the temperature of the contents stored in the processing tank is the average value of the measured values for 5 minutes detected at intervals of 0.2 seconds, and then the average value of the measured values for 5 minutes detected at intervals of 0.2 seconds The temperature difference is detected by the temperature change detecting means (S1). As shown in Table 1, thresholds of 10 ° C. and 20 ° C. are set for the degree of temperature change detected by the temperature change detecting means. When the degree of temperature change detected by the temperature change detecting means is small, less than 10 ° C. (Y in S2), the moisture content is low, so that the amount of heat taken away from the heater 19 by the contents in the processing tank is low. Then, the operation is performed in the weak mode in which the output of the heater 19 is suppressed (S3).

  In addition, when the degree of temperature change detected by the temperature change detecting means is a standard value of 10 ° C. or higher and lower than 20 ° C. (Y in S4), the amount of heat deprived from the heater 19 by the contents in the processing tank is standard. Since the moisture content is in the standard state, the operation is performed in the medium mode in which the output of the heater 19 is standardized (S5). Further, when the degree of temperature change detected by the temperature change detecting means is as large as 20 ° C. or more (Y in S6), the moisture content in which the amount of heat taken away from the heater 19 by the stored contents in the treatment tank increases is high. Therefore, the operation is performed in the strong mode in which the output of the heater 19 is increased (S7). The detection of the degree of the temperature change is continuously performed at intervals of 5 minutes thereafter, and the reference temperature is updated every time the temperature of the storage tank is detected. The operation mode is automatically switched when the temperature change detected by the temperature change detecting means changes until it exceeds the threshold of 10 ° C. or 20 ° C.

  In addition, when the temperature of the storage part in the processing tank exceeds a predetermined temperature, for example, 75 ° C. during operation in each operation mode (Y in S8), the storage part in the processing tank is dry and the moisture content is low. Since it is extremely low, the operation is stopped to prevent further drying (S9). Then, this stopped state is maintained until the temperature of the stored item in the processing tank becomes lower than the predetermined temperature (N in S10). The detection is resumed and the operation is resumed (Y in S10).

  In the garbage processing machine according to the first embodiment configured as described above, the temperature of the contents stored in the processing tank is substantially constant and stable according to the moisture content, and the temperature of the contents stored in the processing tank is detected. Since the degree of temperature change in the treatment tank can be accurately detected, the moisture content in the treatment tank can be accurately estimated with a simple configuration of the temperature sensor 15 without using a moisture content sensor. At the same time, optimal control according to the moisture content can be performed.

  Since it is not necessary to store table data for each degree of temperature change by setting a threshold value for determining the degree of temperature change of the contents in the processing tank, the capacity of the storage means of the control unit 21 is reduced. can do.

  Further, since the temperature sensor 15 is disposed on the outer wall of the processing tank 3, it is possible to prevent dust from adhering to the temperature sensor 15 and to improve the reliability of the temperature sensor 15.

Further, since the temperature sensor 15 is disposed on the rotation locus of the stirring blade 11, the temperature sensor 1
5 can prevent the contents in the processing tank from staying due to the fact that the contents in the processing tank at the position corresponding to 5 are not agitated, and detect the temperature of the contents in the processing tank that is always uniformly stirred by the stirring blade 11. Therefore, it is possible to improve the accuracy of temperature detection of the contents in the processing tank.

  In the first embodiment of the present invention, the threshold of the degree of temperature change is set to be limited to two points of 10 ° C. and 20 ° C., but is not limited to this configuration. The threshold value may be set to an arbitrary temperature, or three or more points may be set.

  In the first embodiment of the present invention, the threshold value is set to determine the degree of temperature change, but the present invention is not limited to this configuration. Table data for each degree of temperature change may be stored without setting a threshold value, and optimal output control of the heater 19 may be performed for each degree of temperature change.

(Second Embodiment)
The flowchart of FIG. 7 and Tables 2 to 4 show a second embodiment of the present invention. The same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. The main body case 1 of the second embodiment is equipped with an outside air temperature sensor (not shown) that detects the outside air temperature. Since the temperature of the items stored in the processing tank is affected by the temperature of the outside air, the threshold value for determining the degree of temperature change of the items stored in the processing tank is corrected according to the outside air temperature detected by the outside air temperature sensor.

  The average value of the measured values for 5 minutes detected at 0.2 second intervals immediately after the power is turned on is taken as the reference temperature, and the average value of the measured values for 5 minutes detected at 0.2 second intervals thereafter. The temperature change degree is detected by the temperature change detecting means (Sa1). When the outside temperature is detected by the outside temperature sensor and the outside temperature is 15 ° C. or higher and lower than 30 ° C., as shown in Table 2, the degree of temperature change detected by the temperature change detecting means is 10 ° C. Set a threshold of 20 ° C. In addition, when the outside air temperature is cold below 15 ° C., the temperature of the contents in the processing tank is difficult to rise due to the influence of outside air. Set thresholds of ° C and 15 ° C. Further, when the outside air temperature is as high as 30 ° C. or higher, the temperature of the contents in the processing tank is likely to rise due to the influence of the outside air. Thresholds of 25 ° C. and 25 ° C. are set (Sa2).

  When the outside air temperature is 15 ° C. or more and less than 30 ° C. and the degree of temperature change is small, less than 10 ° C., or when the outside air temperature is less than 15 ° C., and the degree of temperature change is less than 5 ° C., or the outside air temperature is When the degree of temperature change is as small as less than 15 ° C. at 30 ° C. or higher (Y of Sa3), since the moisture content is low, the amount of heat taken away from the heater 19 by the stored contents in the treatment tank is low. Operation is performed in a weak mode in which the output of the heater 19 is suppressed (Sa4).

  In addition, when the outside air temperature is 15 ° C. or more and less than 30 ° C. and the temperature change degree is 10 ° C. or more and less than 20 ° C., or when the outside air temperature is less than 15 ° C. and the temperature change degree is 5 ° C. or more and 15 ° C. When the temperature is less than 0 ° C. or when the outside air temperature is 30 ° C. or higher and the degree of temperature change is 15 ° C. or higher and lower than 25 ° C. (Y of Sa5), the amount by which the heater 19 is deprived of heat in the processing tank Since the moisture content that becomes standard is in the standard state, the operation is performed in the medium mode in which the output of the heater 19 is standard (Sa6).

Also, when the outside air temperature is 15 ° C. or more and less than 30 ° C. and the degree of temperature change is 20 ° C. or more, or when the outside air temperature is less than 15 ° C. and the degree of temperature change is 15 ° C. or more, or outside air When the temperature is 30 ° C. or higher and the temperature change is 25 ° C. or higher (Y of Sa7), the moisture content that increases the amount of heat removed from the heater 19 by the contents in the processing tank is high. Then, the operation is performed in the strong mode in which the output of the heater 19 is increased (Sa8). The detection of the degree of this temperature change is continuously performed at intervals of 5 minutes thereafter, and the reference temperature is updated every time the temperature of the storage tank is detected. Then, when the degree of temperature change changes until it exceeds the threshold, the operation mode is automatically switched.

  Further, during operation in each operation mode, when the temperature of the storage part in the processing tank is a predetermined temperature, for example, the outside air temperature is 15 ° C. or more and less than 30 ° C., and the temperature of the storage container contains more than 75 ° C. Alternatively, when the outside air temperature is less than 15 ° C. and the temperature of the storage tank contents exceeds 73 ° C., or the outside air temperature is 30 ° C. or more and the temperature of the storage tank contents exceeds 77 ° C. Since the case (Y of Sa9) is a case where the storage portion in the processing tank is dry and the moisture content is extremely low, the operation is stopped to prevent further drying (Sa10). Then, this stopped state is maintained until the temperature of the stored item in the processing tank is lower than the predetermined temperature (N of Sa11), and when the temperature of the stored item in the processing tank is decreased below the predetermined temperature, the temperature change detection in the processing tank is detected. At the same time, the operation is resumed (Y of Sa11).

  In this way, by detecting the outside air temperature with the outside air temperature sensor, the temperature of the contents stored in the processing tank affected by the outside air temperature can be corrected according to the outside air temperature. The degree of temperature change of the object can be detected, the moisture content of the stored contents in the treatment tank can be estimated more accurately, and optimal control according to the moisture content can be performed.

(Third embodiment)
The flowchart of FIG. 8 shows a third embodiment of the present invention.

  The average value of the measured values for 5 minutes detected at 0.2 second intervals immediately after the power is turned on is set as the reference temperature, and the average value of the measured values for 5 minutes detected at 0.2 second intervals thereafter. The temperature difference is detected by the temperature change detecting means (Sb1). As shown in Table 1, thresholds of 10 ° C. and 20 ° C. are set for the degree of temperature change detected by the temperature change detecting means. When the degree of temperature change is less than 10 ° C. (Y of Sb2), the amount of heat taken away from the heater 19 by the stored contents in the processing tank is low, and the moisture content is low. The operation is performed in the weak mode (Sb3).

  In the case of a standard temperature change degree of 10 ° C. or more and less than 20 ° C. (Y of Sb4), the moisture content at which the amount of heat removed from the heater 19 by the stored contents in the treatment tank is standard is a standard state. Therefore, the operation is performed in the middle mode in which the output of the heater 19 is standardized (Sb5). When the degree of temperature change is as large as 20 ° C. or more (Y of Sb6), since the moisture content that increases the amount of heat taken away from the heater 19 by the stored contents in the processing tank is high, the output of the heater 19 is high. The operation is performed in the strong mode with increased (Sb7). The detection of the degree of this temperature change is continuously performed at intervals of 5 minutes thereafter, and the reference temperature is updated every time the temperature of the storage tank is detected. And if the degree of temperature change changes until it crosses the threshold value of 10 ° C. or 20 ° C., the operation mode is automatically switched.

  In addition, when the temperature of the storage part in the processing tank exceeds a predetermined temperature, for example, 75 ° C. during operation in each operation mode (Y of Sb8), the storage part in the processing tank is dry and the moisture content is low. Since this is an extremely low case, the operation is stopped to prevent further drying (Sb9). Then, this stopped state is maintained until the temperature of the storage tank contents is lower than the predetermined temperature (N of Sb10), and when the temperature of the storage tank contents is lower than the predetermined temperature, the heating is performed more than before the operation is stopped. The operation with the output of the means lowered (mode operation after stop) is performed (Sb11).

The operation in the post-stop mode is continued unless the closing door 9 is opened / closed (N in Sb12), and when the temperature of the contents in the processing tank is lowered to a predetermined temperature or less after the opening / closing door 9 is opened / closed (in Sb13). Y) Cancel the mode after stopping (Sb14) and return to the operation according to the temperature change of the contents in the processing tank. By providing the post-stop mode, it is possible to suppress drying of the contents stored in the processing tank and to reduce power consumption.

(Fourth embodiment)
The flowchart of FIG. 9 shows the fourth embodiment.

  The average value of the measured values for 5 minutes detected at 0.2 second intervals immediately before the closing door 9 is opened is defined as the reference temperature (Sc1), and a predetermined time (for example, 4 hours) after the closing door 9 is closed. After the elapse (Y of Sc2), the temperature change detecting means detects the degree of temperature change from the average value of the measured values for 5 minutes detected at intervals of 0.2 seconds (Sc3). As shown in Table 1, thresholds of 10 ° C. and 20 ° C. are set for the degree of temperature change detected by the temperature change detecting means (Sc4). When the degree of temperature change is less than 10 ° C. (Y in Sc5), since the moisture content is low, the amount of heat taken away from the heater 19 by the stored contents in the processing tank is low, so the output of the heater 19 is suppressed. Driving in the weak mode (Sc6).

  Further, when the degree of temperature change is a standard value of 10 ° C. or more and less than 20 ° C. (Y of Sc7), the moisture content at which the amount of heat of the heater 19 taken away by the contents in the treatment tank is standard is a standard state. Therefore, the operation is performed in the middle mode in which the output of the heater 19 is standardized (Sc8). When the degree of temperature change is as large as 20 ° C. or more (Y in Sc9), since the moisture content that increases the amount of heat removed from the heater 19 by the stored contents in the processing tank is high, the output of the heater 19 is high. The vehicle is operated in the strong mode with increased (Sc10). Since the detection of the degree of temperature change is not performed until the closing door 9 is next opened and closed, the operation in the constant mode is continued during that time.

  Moreover, when the temperature of the storage part in the processing tank exceeds a predetermined temperature, for example, 75 ° C. during the operation in each operation mode (Y of Sc11), the storage part in the processing tank is dry and the moisture content is low. Since this is an extremely low case, the operation is stopped to prevent further drying (Sc12). Then, this stopped state is maintained until the temperature of the stored item in the processing tank becomes lower than the predetermined temperature (N in Sc13), and when the temperature of the stored item in the processing tank decreases below the predetermined temperature, the heating is performed more than before the operation is stopped. An operation (mode operation after stop) with a reduced output of the means is performed (Sc14).

  The operation in the post-stop mode is continued until the closing door 9 is opened and closed (N in Sc15), and when the temperature of the contents in the processing tank decreases to a predetermined temperature or less after opening and closing the closing door 9 (Sc16). Y) The mode after the stop is canceled (Sc17), and the operation returns to the operation according to the temperature change of the contents in the processing tank.

  The garbage processing machine of the fourth embodiment configured as described above only detects the temperature of the contents in the processing tank immediately after opening the closing door 9 and after a predetermined time has elapsed since the closing of the closing door 9. Since it is possible to detect the degree of temperature change of the storage tank, it is not necessary to store a large amount of temperature data of the storage tank, and the capacity of the storage means of the control unit 21 can be reduced. .

  In addition, in 4th Embodiment, although the temperature of the stored item in a processing tank just before the opening of the insertion door 9 was set to the reference | standard temperature, it is not limited to this structure. You may make it the structure which set the temperature of the stored item in a processing tank immediately after opening of the injection door 9 to the standard temperature. That is, what is necessary is just to set the temperature of the thing in a processing tank before throwing in garbage into the processing tank 3 to the reference | standard temperature.

(Fifth embodiment)
Although the fifth embodiment is not shown in the flowchart, the method for detecting the degree of temperature change of the contents in the processing tank differs from the first to fourth embodiments, and the first and fourth embodiments are different. It is the composition which combined form.

In the first embodiment, the degree of temperature change of the contents in the processing tank is continuously detected at intervals of 5 minutes immediately after the power is turned on, and the reference temperature is updated every 5 minutes. In the fourth embodiment, The temperature of the contents in the processing tank changes depending on the difference from the temperature of the contents in the processing tank after a lapse of a predetermined time since the temperature of the contents in the processing tank just before the opening of the charging door 9 is set as a reference temperature. The degree of was detected.

  In the fifth embodiment, the degree of temperature change in the storage tank is continuously detected at intervals of 5 minutes from when the power is turned on, and the reference temperature is updated every 5 minutes. Perform temperature change detection. Further, when the charging door 9 is opened halfway, the temperature of the processing tank storage immediately before the charging door 9 is opened is updated as the reference temperature, and the processing tank storage after a predetermined time has elapsed since the closing door 9 was closed. The degree of temperature change of the stored item in the processing tank is detected based on the difference from the temperature. After that, until the closing door 9 is opened and closed, the degree of temperature change of the contents in the processing tank is continuously detected at intervals of 5 minutes, and the reference temperature is updated every 5 minutes. The temperature change of the stored item is detected.

  That is, the fifth embodiment is configured not to detect the temperature change degree of the contents in the processing tank until a predetermined time elapses after the closing door 9 is closed. When the garbage is put into the treatment tank 3, the temperature distribution in the treatment tank becomes non-uniform due to the non-uniform mixing state of the new garbage and the carrier 2 until a predetermined time elapses. Even if the temperature of the contents in the processing tank in such a state is detected and the output of the heater 19 is controlled, there is a possibility that optimal control may not be performed. Therefore, it is possible to continuously detect the degree of temperature change of the contents stored in the processing tank after the temperature distribution of the contents stored in the processing tank becomes substantially uniform after a lapse of a predetermined time since the closing door 9 is closed. Thus, the optimal control of the heater 19 can be performed.

It is an external appearance perspective view of the garbage processing machine of 1st Embodiment of this invention. It is an external appearance perspective view of the state which removed the main body case of the same garbage processing machine. It is a sectional side view of the same garbage processing machine. It is sectional drawing of the same garbage processing machine, and shows the state seen from the upper part. It is a block diagram of the control part of the same garbage processing machine. It is a flowchart which shows control of the same garbage processing machine. It is a flowchart which shows control of the garbage processing machine of 2nd Embodiment of this invention. It is a flowchart which shows control of the garbage processing machine of 3rd Embodiment of this invention. It is a flowchart which shows control of the garbage processing machine of 3rd Embodiment of this invention. It is a table | surface which shows the threshold value of the degree of the temperature change of the garbage processor of 1st Embodiment of this invention. It is a table | surface which shows the threshold value of the degree of the temperature change of the garbage processor of 2nd Embodiment of this invention, and shows the case where external temperature is 15 degreeC or more and less than 30 degreeC. It is a table | surface which shows the threshold value of the degree of the temperature change of the garbage processor of 2nd Embodiment of this invention, and shows the case where external temperature is less than 15 degreeC. It is a table | surface which shows the threshold value of the degree of the temperature change of the garbage processing machine of 2nd Embodiment of this invention, and shows the case where external temperature is 30 degreeC or more.

Explanation of symbols

3 treatment tank 8 inlet 9 inlet door 10 stirring shaft 11 stirring blade 15 temperature sensor 19 heater (heating means)
21 Control unit

Claims (6)

A processing tank for storing and processing garbage, a heating means for heating the inside of the processing tank, a temperature sensor disposed on the outer wall of the bottom of the processing tank, for detecting the temperature of the contents stored in the processing tank, and detected by the temperature sensor Storage means for storing the measured temperature, temperature change detection means for detecting the temperature change of the storage tank contents based on the output of the storage means, and the temperature change detection means detected the temperature change of the storage tank contents And a controller for controlling the output of the heating means in accordance with the degree of temperature change. The garbage processing machine further includes an input port through which garbage is input into a treatment tank, an input door that closes the input port so that the input port can be opened and closed, and an open / close detection means that detects opening and closing of the input door. The section controls the output of the heating means according to the difference between the temperature detected by the temperature sensor and the temperature after a period of time has passed since the garbage was closed before the garbage was put into the treatment tank. The garbage processing machine according to claim 1, wherein: The control unit sets a threshold value for the degree of temperature change detected by the temperature change detection unit, sets an output of the heating unit according to the threshold value, and changes the temperature change of the contents in the processing tank detected by the temperature change detection unit. The garbage processing machine according to claim 1 or 2, wherein the output of the heating means is controlled by judging to which threshold the value belongs. The said garbage processing machine is further provided with the outside temperature sensor which detects outside temperature, The said control part correct | amends the said threshold value according to the outside temperature which an outside temperature sensor detects. Garbage disposal machine. While the garbage processing machine is performing an operation in which the output of the heating means is controlled in accordance with the degree of temperature change of the contents in the processing tank, the temperature of the contents in the processing tank reaches a predetermined temperature or higher. When the temperature sensor detects that the temperature has risen, the operation is stopped. After the operation is stopped, the operation is stopped when the temperature sensor detects that the temperature of the material stored in the processing tank has dropped below a predetermined temperature. The garbage processing machine according to any one of claims 1 to 4, wherein an operation is performed in which the output of the heating means is lower than before the heating. The garbage processing machine further includes a stirring shaft that is rotatably mounted on both side walls of the treatment tank, and a plurality of stirring blades that are erected on the stirring shaft, and the temperature sensor includes a rotation locus of the stirring blades. The garbage processing machine according to any one of claims 1 to 5, wherein the garbage processing machine is disposed on the top.

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