JPH09136074A - Garbage disposer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To keep the garbage disposal environment in an optimum state by automatically control a means for arranging the disposal environment in a garbage disposal tank in the optimum state in accordance with charge of garbage. SOLUTION: In the garbage disposer A, garbage disposal material incorporated into a garbage disposal tank 1 decomposes and disposes of garbage. A weight sensor 2 is provided to detect the weight of garbage charged into the garbage disposer A. A means 3 is provided to arrange the disposal environment in the garbage disposal tank 1 provided in the garbage disposer A. A control part 4 is provided to control the means 3 for arranging the disposal environment in accordance with the charge of garbage detected by the weight sensor 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a garbage disposal apparatus for decomposing garbage using the power of microorganisms.

[0002]

2. Description of the Related Art Conventionally, sludge containing organic matter and water has been decomposed (fermented) to the extent that it does not affect the environment by utilizing microorganisms. Are known. This food waste treatment device has a wood chip called a biochip in a treatment tank (for example, Japanese Patent Publication No. 2-10398, Japanese Patent Publication No. 2-30760, and Jikkei 3).
No. 22385) is filled as a food waste treatment material. Then, the garbage is put into the treating tank through the charging port provided in the treating tank, the stirring means is used to mix the treating material with the garbage, and the heating means and the blowing means are used to bring air into contact with each other. Then, the garbage is decomposed by the microorganisms that live in the garbage processing material, the water is evaporated at the same time, and the exhaust gas is discharged to the outside by the exhaust fan.

[0003] In the past, the processing environment for food waste in the food waste treatment tank was such that a heater, an intake fan, a stirring blade,
It was made by controlling the exhaust fan.

[0004]

However, in the above-mentioned conventional food waste processing apparatus, the control of the heater, the intake fan, the stirring blades, the exhaust fan, etc. is constant or disclosed in Japanese Patent Laid-Open No. 5-221765. As described above, the amount of food waste to be put in is grasped by visual judgment, and the ventilation volume is manually switched and adjusted.

In the former case, since the control system is constant, there is a problem that the raw garbage processing material becomes emptied and becomes difficult to decompose on days when the amount of raw garbage input is small. There is a problem that when the amount of input garbage is large, the processing of raw garbage cannot be performed sufficiently. Also, in the latter case, it is troublesome to manually switch the ventilation amount according to the input amount of raw garbage one by one, and since the input amount of raw garbage is visually determined, accuracy is required. There is a problem that it is difficult.

The present invention has been made in view of the above problems, and automatically controls the means for adjusting the processing environment in the garbage processing tank to the optimum state according to the amount of the garbage input. However, it is an object of the present invention to provide a food waste processing device that optimizes the food waste processing environment.

[0007]

Means for Solving the Problems In order to solve the above-mentioned problems of the present invention, a raw garbage processing apparatus of the present invention decomposes raw garbage with a raw garbage processing material placed in a raw garbage processing tank 1. In the garbage disposal A, a weight sensor 2 for detecting the weight of the garbage thrown into the garbage disposal A is provided to prepare a processing environment in the garbage disposal tank 1 provided in the garbage disposal A. 2 is provided, and a control unit 4 for controlling the means 3 for adjusting the processing environment according to the amount of food waste detected by the weight sensor 2 is provided. With such a configuration, the weight sensor 2 detects the input amount of food waste, and the means 3 for adjusting the processing environment in the food waste processing tank 1 is automatically controlled based on the detection result. The optimum processing environment is set according to the weight of food waste.

Further, it is preferable that the garbage processing tank 1 is supported by the three legs 5, and a weight sensor 2 is provided on each of the three legs 5. With such a configuration, it is possible to accurately detect the weight change of the food waste processing tank 1 due to the difference in the amount of food waste to be input and perform accurate control.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on embodiments shown in the accompanying drawings. FIG. 1 is a perspective view showing the entire food waste processing apparatus A, in which a case 8 having an upper opening of the food waste processing apparatus A is internally provided with a food waste processing tank 1 having an upper opening. A stirring blade 6 constituting a stirring means is rotatably provided inside the garbage processing tank 1. The stirring blade 6 is rotated by the motor 7, and the rotation of the motor 7 is controlled by the controller 4.

An upper end opening of the case 8 serves as a loading port, and a lid 9 for loading food waste is provided at the loading port, which is rotatable about a shaft mounting portion at a rear end and can be opened and closed. There is. A ventilation passage 10 is provided at the opening edge of the upper end of the case 8,
The air passage 10 has one end opening to the outside of the case 8 and the other end opening to the upper end opening of the garbage processing tank 1. A blower fan 11 and a heater 12 are provided inside the blower passage 10, and the blower fan 11 and the heater 12 are controlled by signals from the control unit 4.

An exhaust passage 13 is provided in the case 8,
The exhaust passage 13 has one end opening to the upper end opening of the garbage processing tank 1 and the other end opening to the outside of the case 8. An exhaust fan 14 is installed inside the exhaust passage 13, and the exhaust fan 14 is controlled by a signal from the control unit 4. A planar heater 17 is provided on the lower outer surface portion of the food waste processing tank 1 and is controlled by a signal from the control unit 4.

In the garbage disposal tank 1, there is placed a garbage disposal material such as sawdust-like wood chips called a biochip in which microorganisms inhabit. As this food waste treating material, a conventionally known wood strip (for example, Japanese Patent Publication No. 2-10398,
(Japanese Patent Publication No. 2-30760, Jikkei 3-22385, etc.)
Can be used. The garbage processing device A is provided with a weight sensor 2 for detecting the weight of the garbage put in the garbage processing tank 1. The weight sensor 2 is adapted to detect the weight of the food waste processing tank 1 containing the food waste processing material, for example. By comparing the weight of the refuse treatment tank 1 with the weight of the garbage treatment tank 1 after the introduction, the amount of garbage introduced can be determined.

In the embodiment shown in FIG. 1, the garbage processing tank 1 is supported by three legs 5, and a weight sensor 2 is provided on each of the three legs 5 to obtain the weight sensor 2. The weight data is input to the control unit 4. FIG. 1 shows a control block diagram of the present invention, in which the weight data obtained by the weight sensor 2 is input to the control unit 4, and based on this data, an output signal from the control unit 4 is used to dispose of the garbage processing tank 1 It controls the means 3 for adjusting the internal processing environment.

Here, as the means 3 for adjusting the processing environment, there are a blower fan 11, a heater 12, a heater 17, a stirring blade 6, an exhaust fan 14 and the like. In the present invention, the blower fan 11, the heater 12, the heater 1
One or more of 7, the stirring blade 6, and the exhaust fan 14 are controlled in accordance with the amount of food waste to be charged. That is, in the processing of food waste, when the food waste is put into the food waste treatment tank 1 through the inlet and the lid 9 is closed, the stirring blade 6
Is intermittently rotated to stir and mix the food waste treatment material and the food waste. Further, the blower fan 11 is intermittently operated to supply the outside air into the garbage processing tank 1 to supply oxygen to the microorganisms.
Further, the heater 12 and the heater 17 are energized to heat the inside of the garbage processing tank 1. Further, carbon dioxide and moisture generated by the decomposition are exhausted to the outside by the exhaust fan 14 which operates intermittently.

When the garbage is put in, the weight sensor 2 reads the weight change before and after the garbage is put in, and means for adjusting the processing environment in the garbage processing tank 1 according to the input amount. 3 is controlled. As an example, for example, when the weight change by the weight sensor 2 is large, it is determined that the amount of food waste is large, and the blower fan 1
First, the heater 12 controls to remove a large amount of water. Specifically, the amount of air blown by the blower fan 11 per unit time is increased, the operating time of the blower fan 11 is lengthened, the heater 12 is turned on, or the on time of the heater 12 is lengthened, or , Heater 12
The control unit 4 controls the heating by increasing the amount of water, and controls to remove a large amount of water. On the other hand, when the change in weight by the weight sensor 2 is small, it is determined that the amount of food waste is small, and the blower fan 11 and the heater 12 are used to control the removal of water. Specifically, the amount of air blown by the blower fan 11 per unit time is reduced, the operating time of the blower fan 11 is shortened, the heater 12 is turned off, or the heater 1 is used.
Even if 2 is turned on, the heating time by the heater 12 is shortened, the heating by the heater 12 is set to be small, and the control unit 4 controls so that the water content is reduced. In this way, the water content of the raw garbage processing material can be automatically kept substantially constant regardless of the input weight of the raw garbage, and a comfortable raw garbage processing environment can be prepared.

In the above example, the blower fan 11 and the heater 12 are controlled according to the weight change by the weight sensor 2. However, when the heater 17 is turned on and off, or when the heater 17 is turned on. The heater capacity of the heater 17 is controlled to be switched between large and small, or the stirring blade 6 that is intermittently operated is shortened between the operating time and the operating time, or conversely lengthened, or The operating time itself is controlled to be increased or decreased, or the interval between the operating time of the exhaust fan 14 which operates intermittently is lengthened or shortened, or the operating time itself. You may make it control to lengthen or shorten. And
One or more of the blower fan 11, the heater 12, the heater 17, the stirring blades 6, and the exhaust fan 14 are combined and controlled.

[0017]

According to the invention of claim 1 of the present invention, as described above, in the food waste disposing device for decomposing food waste by the food waste disposing material placed in the food waste disposing tank, A weight sensor is installed to detect the weight of food waste that has been thrown into the garbage processing device, and a means is provided to prepare the processing environment in the food waste processing tank provided in the food processing device. Since a control unit is provided to control the means for preparing the processing environment according to the amount of garbage input, even if the amount of garbage input changes, the amount of garbage input is detected by the weight sensor and It is possible to automatically set an optimum processing environment corresponding to the amount of input of raw garbage in the refuse processing device, and it is possible to perform the optimum processing of raw garbage regardless of the input amount of raw garbage.

In addition to the effect of the invention described in claim 1, in the invention described in claim 2, the garbage processing tank is supported by three legs and each of the three legs is supported. Since the weight sensor is provided, it is possible to accurately detect the weight change of the food waste processing tank 1 due to the difference in the input amount of food waste and perform accurate control.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing the entire garbage processing apparatus of the present invention.

FIG. 2 is a control block diagram of the above.

[Explanation of symbols]

 A Garbage Disposal Equipment 1 Garbage Disposal Tank 2 Weight Sensor 3 Means for Arranging Processing Environment 4 Control Section 5 Legs

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Hiroyasu Kawanishi 1048, Kadoma, Kadoma-shi, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Harusei Tsusaka, 1048, Kadoma, Kadoma-shi, Osaka Matsushita Electric Works Co., Ltd. (72) Inventor Masakatsu Nakamura 1048, Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Hidehiko Kishie, 1048, Kadoma, Kadoma City, Osaka Matsushita Electric Works Co., Ltd. (72) Inventor, Takashi Hyodo Osaka Fudo Kadama City 1048 Kadoma Matsushita Electric Works Co., Ltd. (72) Inventor Koichi Fujita 1048 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works Co., Ltd. (72) Inventor Kawada 1048 Kadoma, Kadoma City, Osaka Matsushita Denko stock company

Claims (2)

[Claims] 1. In a food waste processing device for decomposing food waste with a food waste processing material placed in a food waste processing tank, a weight sensor for detecting the weight of the food waste put into the food waste processing device is provided. Provided, means for adjusting the processing environment in the garbage processing tank provided in the garbage processing device,
An apparatus for treating food waste, comprising a control unit for controlling means for adjusting a processing environment according to the amount of food waste detected by a weight sensor. 2. The food waste processing apparatus according to claim 1, wherein the food waste processing tank is supported by three legs, and a weight sensor is provided on each of the three legs.