JP2000351427A - Powder/grain shock absorber with power generation function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To generate electric power by effectively using falling energy of power/grain, and to prevent the damage by absorbing falling shock of the powder/grain by providing an impeller for rotating by natural flowing-down of the powder/grain and a generator rotatably driven by the impeller, and connecting the generator to a load. SOLUTION: An end part of a chute pipe is provided with a shock absorber composed of a generator C having a stator 3 by winding an armature coil 2 on an iron core, a rotary field part 4 being a magnetic pole for generating a magnetic field in this center and an impeller 7 for coaxially rotating on a rotary shaft 5 located at the center and installing an abrasion resistant member 6. Electromotive force is generated in an armature (the stator) 3 by rotating the rotary field part 4 by rotating the impeller 7 by colliding powder/grain becoming a high speed by naturally flowing down in a chute pipe with the impeller 7 to generate AC electric power to thereby prevent abrasion of the chute pipe and damage of the power/grain, and flowing-down energy of the powder/grain is effectively used to be converted into electric power.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorber having a power generation function provided in a flow path of a granular material.

[0002]

2. Description of the Related Art One of means for transporting granular material is to naturally flow down a tubular chute pipe. There are cases where the chute pipe is provided vertically and cases where the chute pipe is provided at an angle.However, no matter which way the pipe is provided, it is necessary to change the direction of the flow of the granular material on the way. Elbow was used as a response. However, if an elbow is used at the end of a chute pipe with a long straight line distance, the flow rate of the granular material increases due to the long linear portion of the chute pipe, and the collision of the granular material wears the elbow and opens a hole. However, the powder itself was also damaged. In order to prevent this, when the straight distance of the chute pipe is long, a shock absorber is used instead of the elbow. JP 5
9-17419 discloses a shock absorber used when a chute pipe is provided vertically, and Japanese Utility Model Publication No. 8-8393 discloses a shock absorber used when a chute pipe is provided diagonally.

[0003] As a facility provided with these buffer devices, for example, a cereal co-drying preparation facility for processing a large amount of cereal harvested by each farmer during the harvest season is known.

[0004]

In such a cereal joint drying and drying facility, a large amount of electric power is used because many machines operate all year round. All of this electric power is supplied from an electric power company or a private power generator, and the electric power cost and the running cost of the equipment have been considerable.

[0005] In view of the above problems, the present invention generates electricity by utilizing the falling energy of the powder particles flowing down naturally in a chute pipe during operation of a cereal co-drying preparation facility or the like.
Use of the generated power for the load in the facility saves electricity bills, and also provides a shock absorber with a power generation function that plays a role in buffering fast-flowing granules and preventing damage. Is a technical issue.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a tubular chute pipe for transferring powdery granules by their own weight and conveying the same, and an elbow for connecting the chute pipes. A damper for preventing wear of the powder and damage to the granules, the damper includes an impeller that rotates by flowing down of the granules, and a generator that is rotationally driven by the impeller. It takes technical measures to connect to the load. Therefore, the invention according to claim 1 has the following operations.

[0007] The granular material naturally flows down the tubular chute pipe to gain momentum, and collides with an impeller provided in the middle of the chute pipe. The impeller cannot endure the particles that collide one after another, and finally starts turning to drive the generator. Since the power generated by the generator is used for the load, it not only prevents chute pipes and elbows from abrasion and damage to the granules, but also converts the down-flow energy of the granules to electric power for effective use. ,
It can greatly contribute to energy saving.

According to a second aspect of the present invention, there is provided a granular material shock absorber with a power generation function, wherein the impeller rotating by the flow of the granular material has one side of a plurality of quadrangular plate blades in the longitudinal direction of the rotating shaft, and And technical means that they are fixed at equal angles about the rotation axis. Therefore, the particulate material shock absorber with power generation function according to claim 2 has the following operation.

The impeller, which is fixed at an equal angle to the rotating shaft, rotates in a well-balanced manner around the rotating shaft by the particles, which flow down naturally, colliding with the plate blades. Power can be reliably transmitted to the generator.

[0010] The particulate material shock absorber with a power generation function according to claim 3 of the present application employs a technical measure that a wear-resistant member is attached to the powder particle collision surface of the blade portion of the impeller. is there. Therefore, the powder and granular material shock absorber with power generation function according to claim 3 has the following operations.

[0011] The wear of the blade portion, which is caused by the particles that naturally flow down and collides with the blade portion, can be prevented by the wear-resistant member. Can be driven.

According to a fourth aspect of the present invention, there is provided a powdery and granular material shock absorber with a power generation function, which has a technical means of providing a rectifier for rectifying the AC power of the generator into a DC power. Therefore, the granular material shock absorber with power generation function according to claim 4 is:
It has the following effects.

[0013] Since the AC power generated by the generator is rectified into DC by the rectifier, even if the generated power is AC, the generated power can be used in a device that operates with DC.

According to a fifth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising: a rectifier for rectifying the AC power of the generator into a DC; and a power storage unit for storing the power rectified by the rectifier. The technical means of taking. Therefore,
The granular material shock absorber with power generation function according to claim 5 has the following operation.

The AC power generated by the generator is rectified to DC by the rectifier and charged in the power storage unit. Therefore, even when the load is not connected, the generated power can not only be stored but also be stable DC power. Can be supplied to a load that requires the power. Alternatively, a load may be directly connected to the power storage unit, or only the charged power storage unit may be moved to another location and used.

According to a sixth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising: a rectifier for rectifying AC power of the generator to DC; a power storage unit for storing the power rectified by the rectifier; Technical means of providing an inverter for converting power stored in the power storage unit into AC power is provided.
Therefore, the particulate material shock absorber with power generation function according to claim 6 has the following operation.

The AC power generated by the generator is rectified into DC by the rectifier and charged in the power storage unit. Further, the DC power output from the power storage unit is converted into AC power by the inverter. Therefore, it is possible to connect an AC load that requires stable AC power, so that the use range is expanded.

According to a seventh aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising switching means for switching a supply power between a commercial AC power supply and a generator, and connected to a load via the switching means. Take technical measures. Therefore, the granular material shock absorber with power generation function according to claim 7 is:
It has the following effects.

When power is consumed by the load, when the power is being generated by the generator, the switching means is switched to the generator to use the generated power, and when the power is not generated, the power is switched to the commercial AC power supply. By switching the means, power can be supplied from the commercial AC power supply to cover the power consumed by the load.For loads that constantly consume power, energy-saving operation can be performed only when the powder is flowing down. it can.

According to an eighth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising voltage detection means for detecting the output voltage of the generator, and switching the switching means in accordance with the voltage detected by the voltage detection means. Take technical measures.
Therefore, the powder and granular material shock absorber with power generation function according to claim 8 has the following operation.

The voltage of the generated power generated by the generator is detected by the voltage detecting means, and when the generated power is less than the set value, the switching means is switched to the commercial AC power supply side so that the power is supplied from the commercial AC power supply. Since it can be supplied, the switching of the switching means can be automated.

According to a ninth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising: a rectifier for rectifying AC power of the generator to DC; a power storage unit for storing the power rectified by the rectifier; Technical means of providing an inverter for converting power stored in the power storage unit into AC power is provided.
Therefore, the particulate material shock absorber with power generation function according to claim 9 has the following operation.

The AC power generated by the generator is rectified to DC by the rectifier and charged in the power storage unit. In addition, since the DC power output from the power storage unit is converted into AC power by the inverter, an AC load requiring stable AC power can be connected, so that the use range is expanded.

According to a tenth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising voltage detecting means for detecting a voltage of the power storage unit, and switching the switching means in accordance with a voltage detected by the voltage detecting means. Take measures. Therefore, the powder-granular material buffer device with the power generation function according to claim 10 has the following operations.

The voltage of the power storage unit is detected by the voltage detecting means, and if the amount of power charged in the power storage unit is less than the set value, the switching means is switched to the commercial AC power supply side to switch the power from the commercial AC power supply. Can be supplied, so that the switching of the switching means can be automated.

[0026]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1, 2, 3 and 4 taking a case where a chute pipe is connected as an example.

FIG. 1 is a powdery and granular material shock absorber with a power generation function according to a preferred embodiment of the present invention, FIG. 2 is a schematic diagram of a power generator according to a preferred embodiment of the present invention, and FIG. Part 11
FIG. 4 is a block diagram of an embodiment in which a switching unit 19 and a power consuming unit 20 are provided instead of FIG. First,
When a tubular chute pipe 1 having a long straight line distance is provided at an angle, a stator 3 having an armature winding 2 wound on an iron core and a center of the stator 3 are provided at the end of the chute pipe 1. A rotating field part 4 that is a magnetic pole for generating a magnetic field, and an impeller 7 that rotates on the same axis as a rotating shaft 5 at the center of the rotating field part 4 and has a wear-resistant member 6 attached thereto. A shock absorber A including a generator C is provided. When the tubular chute pipe 8 having a long linear distance is provided vertically, the chute pipe 8 is formed by projecting the tubular pipe in a semi-cylindrical shape 9 from the inside toward the outside. The shock absorber B including the generator C provided with the impeller 7 is provided at a position where the impeller 7 is efficiently rotated by the granular material flowing down the chute pipe 8. Here, the wear-resistant member 6 is a wear-resistant rubber mainly composed of natural rubber or urethane rubber, a steel plate subjected to ceramic spraying, a stainless steel plate, or the like.

The generator C is connected to the power storage unit 12 via a rectifier 10 for rectifying AC power to DC power and a cutoff unit 11 for cutting off the power generated from the generator C. The power storage unit 12 is connected to a voltage detection unit 13, and the voltage detection unit 13 is connected to a switching unit 14 that switches a circuit according to a voltage value and to the cutoff unit 11. In addition, power storage unit 1
Reference numeral 2 denotes an inverter 15 for converting AC power to DC power and a breaker 1 for shutting off electricity when a current exceeding a predetermined value flows.
6a and the switching means 14 are connected to the load 18, and the commercial AC power supply 17 is connected to the switching means 14 via the breaker 16b.

In place of the cut-off unit 11 for shutting off the power generated by the generator C to charge the power storage unit 12, a switching unit 19 is provided which can be switched between the power storage unit 12 and the power consumption unit 20 as shown in FIG. Alternatively, when the charging of the power storage unit 12 is over, the generated power from the generator C may be switched to the power consuming unit 20 to consume extra power. If the switching unit 19 is provided between the rectifier 10 and the generator C,
The power consuming unit 20 can be connected to one that consumes AC power, such as an incandescent lamp or a nichrome wire type heating element.

Next, the operation of the above embodiment will be described. The granular material naturally flows down the long tubular chute pipe to increase the speed. When the speed reaches the maximum, the vehicle reaches the shock absorber A or the shock absorber B provided at the end of the chute pipe and collides with the impeller 7. The impeller 7 finally turns without being able to withstand the colliding particles, and the rotation of the impeller 7 causes the rotating field unit 4 to rotate. The rotation of the rotating field unit 4 generates an electromotive force in the armature (stator) to generate AC power. The generated AC power is supplied to the rectifier 10.
Is converted into DC power, and the power storage unit 12 is charged. The DC power charged in power storage unit 12 is supplied to inverter 1
5, the power is supplied to the load 18 after being converted into AC power. When the power used by the load 18 is large and a current exceeding a predetermined value of the breaker 16a flows, the breaker 16a cuts off the electricity to prevent leakage and overload.

Voltage detecting means 13 connected to power storage unit 12
Monitors the voltage of the power storage unit 12 at all times.
, A voltage of 100 volts + 10% with respect to 100 volts is stored.
4 is switched so that power can be supplied from the power storage unit 12 to the load 18, and when the voltage reaches 100 volts + 15%, the shut-off unit 11 prevents the power storage unit 12 from being overcharged. Cut off. In addition, the blocking unit 11
When the switching unit 19 and the power consuming unit 20 are provided instead of the switching unit 19, the switching unit 19 consumes the power generated from the generator C in the power consuming unit 20 to prevent the power storage unit 12 from being overcharged.

The voltage of power storage unit 12 is 100 volts + 10%
If even a small amount is not enough, the cutoff unit 11 releases the cutoff of the cutoff unit 11 so that the power storage unit 12 can be charged with the electric power generated from the generator C.

The power storage unit 12 stores 1 for 100 volts.
When the voltage drops to 00 volts-10%, the switching means 14 is switched so that power can be supplied from the commercial AC power supply 17 to the load 18. When the power used by the load 18 is large and a current exceeding the predetermined value of the breaker 16b flows,
The breaker 16b cuts off electricity to prevent leakage and overload. Although the operation of the switching unit 14 and the cutoff unit 11 based on the voltage detected by the voltage detection unit 13 has been described, the voltage setting related to this control is an example, and the setting may be changed for each device.

Another embodiment will be described with reference to FIGS. 5, 6, and 7. FIG. First, FIG. 5 is a block diagram showing another embodiment. A voltage detecting means 13 is connected to the generator C. The voltage detecting means 13 is connected to a switching means 14 for switching a circuit according to the voltage value of the voltage detecting means 13. The generator C is connected to the load 18 via the switching means 14, and the commercial AC power supply 17 is connected to the switching means 14.

The operation of the above embodiment is performed by the generator C
Is used by the load 18. The voltage detection means 13 constantly monitors the voltage of the generator C, and when the power generation amount of the generator C is small, the switching means 14 switches so that power can be supplied from the commercial AC power supply 17 to the load 18. The timing of switching the switching means 14 of the voltage detecting means 13 can correspond to various voltage setting timings.

FIG. 6 is a block diagram showing various other embodiments. (A) is a device in which the generator C is connected to the load 18, (A) is a device in which the generator C is connected to the load 18 via the rectifier 10, and (C) is a device in which the generator C is connected to the rectifier 10.
A device connected to the load 18 via the power storage unit 12 and
(D) is a device in which the generator C is connected to the load 18 via the rectifier 10, the power storage unit 12, and the inverter 15.

The operation in the above embodiment is as follows.
Is effective when the AC power generated by the generator C is directly used by a load such as an incandescent lamp or a nichrome wire type heating element. By the way, in a state where the powder and the granular material pass through the buffer device A or the buffer device B and the power generated by the generator C is supplied to the load 18, the operation and the non-operation of the load 18 are confirmed, so that the Normal / abnormal can be confirmed. This is convenient because when the shock absorber A or the shock absorber B is installed at a high place, any abnormality can be found by checking the load 18 without performing periodic inspection.
(A) is a rectifier 10 for converting the AC power generated by the generator C.
After rectifying to DC, load 1 using DC power
8 for use. (C) After the AC power generated by the generator C is rectified into DC by the rectifier 10, the power is stored in the power storage unit 12, and the DC power of the power storage unit 12 is connected to a load 18 for use. (D) After the AC power generated by the generator C is rectified into DC by the rectifier 10, the DC power is stored in the power storage unit 12, the DC power of the power storage unit 12 is converted into AC power by an inverter, and the AC power is converted. Used by connecting to the load 18 to be used.

FIG. 7 is a view showing another embodiment of the impeller 7, in which the tip of the blade of the impeller 7 is curved, and the impeller 7 is used when the flow of the granular material is not constant. Are designed to be easily rotated.

[0039]

According to the first aspect of the present invention, there is provided a powdery / granular material shock absorber with a power generation function. A shock absorber for preventing body damage, said shock absorber comprising an impeller rotating by the flow of powder and granules, and a generator rotationally driven by the impeller, the generator being connected to a load. Take technical measures. Therefore, the granular material shock absorber with power generation function according to claim 1 has the following effects.

The impeller is rotated by the falling energy of the granular material, and the electric power generated by the generator rotationally driven by the impeller can be used for other purposes, thereby contributing to energy saving and saving electricity bills. I can do it.

According to a second aspect of the present invention, the impeller rotating by the flow of the granular material has one side of a plurality of quadrangular plate blades in the longitudinal direction of the rotating shaft, and And technical means that they are fixed at equal angles about the rotation axis. Therefore, the particulate matter buffer device with the power generation function according to claim 2 has the following effects.

Even when only a small amount of powder is flowing down, the impeller fixed at an equal angle around the rotation axis can be efficiently rotated, so that the energy of the powder flowing down can be reliably reduced by the generator. Can be transmitted to

[0043] The particulate material shock absorber with power generation function according to claim 3 of the present application employs a technical measure that a wear-resistant member is attached to the powder particle collision surface of the blade portion of the impeller. is there. Therefore, the particulate matter buffer device with the power generation function according to claim 3 has the following effects.

The abrasion-resistant member can prevent wear of the blade portion caused by collision of the powder particles flowing down naturally with the blade portion, thereby reducing maintenance of the blade portion due to abrasion. Cost and time can be saved, and long-term driving can be made possible.

[0045] The powder and granular material shock absorber with a power generation function according to claim 4 of the present application is provided with a technical means of providing a rectifier for rectifying the AC power of the generator to DC. Therefore, the granular material shock absorber with power generation function according to claim 4 is:
The following effects are obtained.

By rectifying the generated alternating current into direct current, even if the generated power is alternating current, the generated power can be used in a device that operates with direct current power.

According to a fifth aspect of the present invention, a granular material shock absorber with a power generation function includes a rectifier for rectifying AC power of the generator to DC and a power storage unit for storing the power rectified by the rectifier. The technical means of taking. Therefore,
The granular material shock absorber with power generation function according to claim 5 has the following effects.

The power storage unit can be charged by rectifying the generated AC power into DC power. Therefore, even when a load is not connected, not only can the generated power be stored, but also power can be supplied to a load that requires a stable direct current. Alternatively, a load may be directly connected to the power storage unit, or only the charged power storage unit may be moved to another location and used.

According to a sixth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising: a rectifier for rectifying AC power of the generator to DC; a power storage unit for storing the power rectified by the rectifier; Technical means of providing an inverter for converting power stored in the power storage unit into AC power is provided.
Therefore, the granular material shock absorber with power generation function according to claim 6 has the following effects.

By rectifying the generated AC power to DC power, it becomes possible to charge the power storage unit with power,
This charged power can be used at any time.
In addition, by converting DC power output from the power storage unit to AC power by the inverter, it can be connected to an AC load that consumes stable AC power, so that the use range is expanded.

According to a seventh aspect of the present invention, there is provided a powdery and granular material shock absorber with a power generation function, comprising switching means for switching power supply between a commercial AC power supply side and a generator side, and connected to a load via the switching means. Take technical measures. Therefore, the granular material shock absorber with power generation function according to claim 7 is:
The following effects are obtained.

When the power is consumed by the load and the powder is flowing down, the power generated by the generator can be used, so that the electricity bill can be saved.

According to an eighth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising voltage detection means for detecting the output voltage of the generator, and switching the switching means in accordance with the voltage detected by the voltage detection means. Take technical measures.
Therefore, the particulate material shock absorber with power generation function according to claim 8 has the following effects.

Since the voltage generated by the generator is detected by the voltage detecting means and the switching means is controlled in accordance with the detected voltage, the switching means is switched to the generator side if the power generated by the generator can be supplied. When the amount of generated power is small or no, the switching means is switched to the commercial AC power supply side to supply power, thereby enabling automatic switching that enables efficient use of power.

According to a ninth aspect of the present invention, there is provided a granular material shock absorber with a power generation function, comprising: a rectifier for rectifying AC power of the generator into DC; a power storage unit for storing the power rectified by the rectifier; Technical means of providing an inverter for converting power stored in the power storage unit into AC power is provided.
Therefore, the particulate matter buffer device with the power generation function according to claim 9 has the following effects.

By rectifying the generated AC power to DC power, it becomes possible to charge the power to the power storage unit,
This charged power can be used at any time.
Further, by converting DC power output from the power storage unit into AC power by the inverter, a load that consumes stable AC power can be used.

According to a tenth aspect of the present invention, there is provided a powdery and granular material shock absorber with a power generation function, comprising voltage detecting means for detecting a voltage of the power storage unit, and switching the switching means in accordance with a voltage detected by the voltage detecting means. Take measures. Therefore, the granular material shock absorber with power generation function according to claim 10 has the following effects.

Since the voltage of the power storage unit is detected by the voltage detection means and the switching means is controlled in accordance with the detected voltage, automatic switching using the power of the power storage unit can be efficiently performed.

[Brief description of the drawings]

FIG. 1 shows a particulate buffer device with a power generation function showing a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram of a generator showing a preferred embodiment of the present invention.

FIG. 3 is an embodiment in which a switching unit 19 and a power consuming unit 20 are provided in place of the cutoff unit 11;

FIG. 4 is a block diagram of the embodiment of FIG. 1;

FIG. 5 is a block diagram showing another embodiment.

FIG. 6 is a block diagram showing various other embodiments (a).
~ (D)

FIG. 7 is a view showing another embodiment of the impeller 7;

[Explanation of symbols]

 Reference Signs List A buffer device B buffer device C generator 1 chute pipe 2 armature winding 3 stator 4 rotating field part 5 rotating shaft 6 wear-resistant member 7 impeller 8 chute pipe 9 semi-cylindrical shape 10 rectifying means 11 interrupting part 12 Power storage unit 13 Voltage detection unit 14 Switching unit 15 Inverter 16a Breaker 16b Breaker 17 Commercial AC power supply 18 Load 19 Switching unit 20 Power consumption unit

Claims (10)

[Claims] The present invention relates to a tubular chute pipe for causing a powder to flow down by its own weight, and a shock absorber for preventing abrasion of an elbow connecting the chute pipe and damage to the powder. And a generator that is rotated by the impeller, and the generator is connected to a load. 2. The impeller rotating by the flow of the granular material,
One side of a plurality of quadrangular plate blades in the longitudinal direction of the rotation axis,
2. The particulate material shock absorber with a power generation function according to claim 1, wherein the powder shock absorber is fixed at an equal angle around the rotation axis. 3. The particulate material shock absorber with a power generation function according to claim 1, wherein a wear resistant member is attached to the powder particle collision surface of the blade portion of the impeller. 4. The particulate material shock absorber with power generation function according to claim 1, further comprising a rectifier for rectifying AC power of the generator into DC. 5. The powdery granule with a power generation function according to claim 1, further comprising a rectifier for rectifying the AC power of the generator to DC, and a power storage unit for storing the power rectified by the rectifier. Body shock absorber. 6. A rectifier for rectifying AC power of a generator to DC, a power storage unit for storing the power rectified by the rectifier, and an inverter for converting the power stored in the power storage unit to AC power. The particulate material buffer device with a power generation function according to claim 1, wherein: 7. The granular material with a power generation function according to claim 1, further comprising switching means for switching a supply power between a commercial AC power supply side and a generator side, and connected to a load via the switching means. Shock absorber. 8. The granular material with a power generation function according to claim 7, further comprising voltage detection means for detecting an output voltage of the generator, wherein the switching means is switched in accordance with a voltage detected by the voltage detection means. Shock absorber. 9. A rectifier for rectifying AC power of a generator to DC, a power storage unit for storing the power rectified by the rectifier, and an inverter for converting the power stored in the power storage unit to AC power. The powdery particulate buffer device with a power generation function according to claim 7, wherein: 10. The apparatus according to claim 9, further comprising voltage detecting means for detecting a voltage of the power storage unit, wherein the switching means is switched in accordance with a voltage detected by the voltage detecting means. .