JP3452529B2 - Septic tank air pump and septic tank - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air pump used in an apparatus for purifying sewage, which automatically discharges a discharge flow path of air to be supplied to a septic tank at a predetermined time to another place in the septic tank. The present invention relates to an air pump that can be switched over time, and a wastewater septic tank incorporating the air pump.

[0002]

2. Description of the Related Art An example of a sewage purification apparatus is, as shown in FIG. 5, a sedimentation separation tank first chamber 50 into which sewage is charged, a sedimentation separation tank second chamber 51, a contact aeration tank 52, and a sedimentation tank. And a tank 53. And, in the precipitation separation tank first chamber 50,
Air for adjusting the air lift that discharges the sewage and causes the suspended matter to flow into the second chamber 51 of the precipitation separation tank is discharged, and the contact aeration tank 52 discharges the aeration air. Further, in order to wash the contact filter medium 54 in the contact aeration tank 52, the aeration air is periodically switched to the backwash air at a predetermined time and for a predetermined time.

[0003]

SUMMARY OF THE INVENTION The present invention is an air pump which can be suitably used for such a waste water purifying apparatus, is low in price, and can appropriately change the switching mode as necessary, and the same. The purpose is to provide a septic tank incorporating the.

[0004]

The air pump (6 according to the present invention
0 / 60a) is the pump body (1/1
a) and a solenoid valve 4 for switching the air supply destination to the branch portion in a branch flow path having an inlet for receiving the discharge air and branched discharge outlets 2 (P), 3 (Q) and no other inlet / outlet. And a controller (5 / 5a) that controls switching of the solenoid valve, and the pump body (1 / 1a) includes the branch channel and the controller (5 / 5a). ) And are assembled together.

Here, the controller 5 may be provided with a setting device (20 / 20a) for setting the switching condition of the solenoid valve 4 fixedly or detachably.

When the setting device is detachably provided, it can be connected with a cable 6 via a jack 27 provided on the controller 5a.
It is also possible to connect wirelessly via the transmitting / receiving unit.

The setting device (20 / 20a) for setting the switching condition of the solenoid valve 4 preferably has a selection unit A for selecting the present time, a backwash time T in the septic tank and its reverse. A mode selection unit B for selecting a washing time t, a display unit C for displaying each time and backwash time, an adjusting unit D for adjusting each time and backwash time, and each of the above A setting unit E for setting the time and backwash time. Here, the backwash time t is
It may be time to return the solenoid valve 4 to the original state.

The present invention further provides the air pump (60 /
60a), that is, one of the discharge ports (P) of the air pump is a contact aeration tank 5 in the septic tank.
The other one (Q) is guided below the contact filter medium 54, and in normal times (that is, during the treatment of waste water except during backwashing), contact aeration is performed with air from the discharge port P. When the tank 52 is aerated and the contact filter medium 54 is backwashed, the contact filter medium 54 is cleaned by the aeration from the discharge Q, and the switching between the aeration from P and the aeration from Q is performed by the air pump for the septic tank (60 / 6
0a) of the septic tank controlled by the controller (5 / 5a).

[0009]

DETAILED DESCRIPTION OF THE INVENTION An air pump of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is an external front view of an air pump of one example of the present invention, FIG. 2 is an external front view of an air pump of another example of the present invention, FIG. 3 is a schematic configuration diagram of the air pump, and FIG. 4 shows a switching mode. FIG. As shown in FIG. 1, an air pump 60a for discharging air and switching air has a switching mode set in a pump main body 1a having a solenoid valve 4 for switching an air discharge passage and a controller 5a for switching the solenoid valve. The device 20a is integrally assembled. The switching mode setting device 20a includes a contact filter 54
Mode selection section for selecting backwash time and backwash time, display section for displaying backwash time and backwash time, adjustment section for adjusting backwash time and backwash time, and backwash time and backwash time. A setting unit for setting is built in, and the air pump 60a is driven by operating switches of each unit.

Another example of the air pump 60 shown in FIGS.
Is a two-way solenoid valve 4 for switching the air outlet (P) 2 and the air outlet (Q) 3 in the pump body 1, a controller 5 for controlling the switching of the solenoid valve 4, and a cable 6 for the controller 5. 7 for detachable connection
It has and.

The pump body (1a / 1) is not limited according to the invention and is based on a conventional air pump, for example a magnetic interaction between an electromagnet and a permanent magnet.
It is possible to use a vibration pump or the like in which the diaphragm connected to the vibrator is driven by electromagnetic vibration of the vibrator including the permanent magnet, and air is sucked and then discharged.

As the controller (5a / 5),
The external input is stored, and the power of the solenoid valve 4 is turned on and off according to a program of a certain procedure.
For example, a 4-bit microcomputer can be used.

To the air tank 8 in the pump body (1a / 1), a discharge passage 9 to which the solenoid valve 4 is connected midway and another discharge passage 10 are connected. The air discharged from the air tank 8 in the pump body 1 is continuously discharged to the discharge channels 9 and 10 (FIG. 4A).
reference). On the other hand, the solenoid valve 4 is turned on by the controller 5.
When it is in the FF state, it is discharged from the discharge flow path 9 to the discharge port (P) 2 side (see FIG. 4C), but the solenoid valve 4 is turned on by the controller 5. In this case, the ejection direction is switched to the ejection port (Q) 3 side (see FIG. 4B).

When the air pump according to the present embodiment is used in a septic tank of a purifying apparatus as shown in FIG. 5, for example, the discharge port (P) 2 from the discharge passage 9 is connected to the aeration air flow into the contact aeration tank. And the discharge port (Q) 3 is connected to the backwashing air passage, and the other discharge passage 10 is connected to the air lift adjusting air passage. In this case, it is preferable to connect a valve 11 for adjusting the discharge amount of air to the tip of the discharge port (P) 2.

Input to the controller (5a / 5) for turning on / off the power source of the solenoid valve 4 in the air pump is performed by the switching mode setting device 20a or the remote setting device 20.

In the remote setting device 20, as shown in FIGS. 2 and 4, a selection unit A for selecting the current time, a time in the air pump, and an air pump switching time T and time t are selected. Mode selection section B for
And a display section C for displaying the respective times and times
And an adjusting unit D for adjusting the respective times and times
And a setting unit E for setting each time and time, and a cable 6 that is detachably attached is connected to a jack 7 of the air pump.

In FIG. 2, the cable 6 is detachably connected to a control unit in the setting device main body 21, for example, a jack 22 of an internal input / output cable drawn from a 4-bit microcomputer. The present invention is not limited to this, and the cable 6 and the internal input / output cable may be integrally connected.

The front panel 23 of the setting device main body 21
Is provided with the switches of the selection unit A, the mode selection unit B, the adjustment unit D, and the setting unit E, and
The liquid crystal display 24 of the display section C is provided.
When each of the switches is used in a purification device, the present time switch 25, the pump time selection switch 26, the backwash time selection switch 27, the backwash time selection switch 28, and the hour U.
P switch 29a, hour DOWN switch 29b, minute UP
A switch 30a, a minute DOWN switch 31b, and a setting switch 31.

Next, setting of the switching time of the controller in the air pump and the backwashing time and backwashing time which are switching times using the remote setting device will be described with reference to FIG.

First, the setting device main body 21 is turned on, and the present time selection switch 25 is pushed. And when UP, DOWN
The switches 29a and 29b and the minute UP and DOWN switches 30a and 30b are used to adjust the display of the liquid crystal display 24 to the current time, and then the setting switch 31 is pressed. As a result, the current time is stored in the setting device main body 21.

Then, the cable 6 is connected to the controller 5 in the air pump. Then, the in-pump time selection switch 26 is pressed in order to know the current in-pump time. Next, when the current time selection switch 25 for which the adjustment has been completed is pressed and the time in the pump displayed on the liquid crystal display 24 does not match the current time, the hour UP, the DOWN switches 29a, 29b and the minutes UP, DOWN are displayed. Switch 30
Use a and 30b to set the current time. After that, the setting switch 31 is pressed to cause the controller 5 to store the current time.

Then, in order to enter the backwash time setting mode,
The backwash time selection switch 27 is pressed. And when UP, D
OWN switches 29a, 29b and minute UP, DOWN
The switches 30a and 30b are used to set a predetermined backwash time. After that, the setting switch 31 is pressed to cause the controller 5 to store the backwash time.

Next, the backwash time selection switch 28 is pressed to enter the backwash time setting mode. And when UP, DOW
The N switches 29a and 29b and the minute UP and DOWN switches 30a and 30b are used to adjust to a predetermined backwash time.
After that, the setting switch 31 is pressed to cause the controller 5 to store the backwash time. The operation up to this point is shown in Figure 1.
The same applies when the air pump 60a is used.

By the above operation, the cable 6 is disconnected from the air pump whose backwash time and backwash time have been set. And for air pumps with other purification devices,
Perform the same setting operation.

By using the remote setting device 20 which can be freely attached to and detached from the controller, the above-described setting operation can be performed, and the backwashing time and backwashing time can be changed appropriately, and the backwashing time of the air pump in each purifying device can be changed. And the backwash time can be easily changed according to the type of waste water.

In the remote setting device 20 described above, the controller 5 of the pump body 1 and the setting device body 21 are
Transmission and reception of various signals between and are carried out by the cable 6, but the present invention is not limited to this, and wireless transmission is also possible. That is, a transmitter / receiver may be provided instead of the jack of the air pump, and a transmitter / receiver may also be provided in the remote setting device so that signals can be transmitted and received between each other by ordinary wireless communication or wireless communication such as optical signal. Optical signals such as infrared rays and electromagnetic waves can be used as the wireless signal.

[0028]

According to the air pump of the present invention, there is provided a compact air pump in which a pump main body, a branch passage having a branched outlet, and a controller for controlling switching of the branch passage are integrally assembled. . Further, this air pump can automatically switch the discharge flow path of the air to be supplied to the septic tank at a predetermined time to supply it to another place in the septic tank.

In an air pump in which the controller and the remote setting device can be connected by a cable or can be connected by wireless communication, for example, the controllers of the air pumps in a plurality of purification devices are set to the switching mode by one remote setting device. It can be convenient and economical. Further, the switching mode can be changed as needed.

[Brief description of drawings]

FIG. 1 is an external front view of an air pump according to an example of the present invention.

FIG. 2 is an external front view of an air pump of another example of the present invention.

FIG. 3 is a schematic configuration diagram of the air pump.

FIG. 4 is an explanatory diagram showing a switching mode.

FIG. 5 is a conceptual diagram in which an air pump according to an example of the present invention is incorporated into a conventional purification device according to an example.

[Explanation of symbols]

1a, 1: Pump body 2: First ejection port (P) 3: Second ejection port (Q) 4: Solenoid valve 5a, 5: Controller 6: Cable 7,22: Jack 8: Air tank 9: Discharge passage 10: Other discharge flow path 11: Valve 20a: Switching mode setting device 20: Remote setting device 21: Setting device main body 22: Jack 23: Front panel 24: Liquid crystal display 25: Current time selection switch 26: Pump time selection switch 27: Backwash time selection switch 28: Backwash time selection switch 29a: hour UP switch 29b: Hour DOWN switch 30a: Minute UP switch 30b: minute DOWN switch 31: Setting switch 50: Precipitation separation tank first chamber 51: Precipitation separation tank second chamber 52: Contact aeration tank 53: Settling tank 54: Contact filter medium 60a, 60: Air pump A: Selection part B: Mode selection part C: Display section D: Adjustment section E: Setting section

Claims (4)

(57) [Claims] 1. A pump main body for discharging air, a branch flow passage having an inlet for receiving the discharge air and a branched discharge outlet (P and Q) and no other inlet / outlet, and an air supply destination to the branch portion. It includes a branch passage electromagnetic valve is attached for switching, and a controller for controlling the switching of the electromagnetic valve, the pump body, and the branch flow path, a septic tank in which the controller and are integrally assembled air pump. 2. The air pump for a septic tank according to claim 1, wherein the controller is provided with a setting device for setting switching conditions of the solenoid valve. 3. A setting device for setting switching conditions of a solenoid valve includes a selection unit for selecting a current time, and a mode selection unit for selecting a backwash time T and its backwash time t in a septic tank. A display unit for displaying each time and backwash time, an adjusting unit for adjusting each time and backwash time, and a setting unit for setting each time and backwash time The air pump for the septic tank according to claim 2, which is a thing. 4. A septic tank comprising the air pump according to any one of claims 1 to 3, wherein one of the discharge ports (P) of the air pump is introduced into a contact aeration tank in the septic tank, and One (Q) is guided to the lower side of the contact filter medium, and normally, the contact aeration tank 52 is aerated by the air from the discharge port P, and the back contact filter medium 54 is aerated by the discharge Q during backwash. A septic tank that has been cleaned and the switching between the aeration from P and the aeration from Q is controlled by the controller of the air pump for the septic tank.