JPS6357808A - Oil changer - Google Patents

Abstract

PURPOSE:To attempt cost reduction by enabling extracting operation of old oil to a waste oil tank, discharging operation of the old oil from the waste oil tank, filling operation of new oil into a new oil tank and replenishment operation of the new oil to the new oil tank to be executed by a single pump. CONSTITUTION:A waste oil tank 6 which stores old oil extracted by a nozzle 3 inserted in an oil gage hole which is provided at a crank case and so forth and a new oil tank 7 which stores new oil to be fill in are arranged below an oil changer body in free insertion and extraction manner. And a pump 10 which can execute intake and discharge operations is provided, inside the body and a nozzle 3 is connected to one port of this pump 10 through a pipe passage 15-1, an oil checker 20 which visually confirms a degree of oil pollution and hose 2. And the waste oil tank 6 and the new oil tank 7 are connected to the other port of the pump 10 through the pipe passage 15-1, a chamber 17 with a float 18, a flow meter 12, pipe passages 15-2, and 15-3 in which electromagnetic valves 13 and 14 are arranged respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for extracting and filling lubricating oil used in automobiles and the like.

Conventionally, in this type of equipment, when the waste oil tank becomes full or the new oil tank becomes empty,
There are inconveniences such as having to perform cumbersome manual operations such as removing the tank to dispose of the waste oil and refilling with new oil.

This invention addresses these issues and uses an extremely simple configuration to perform tasks such as draining and filling oil, and discharging waste oil from a waste oil tank. The purpose of this invention is to provide a device that can perform tasks such as refilling J fresh oil tanks.

Hereinafter, a specific example thereof will be explained based on the drawings.

FIG. 1 is an external view of an embodiment of the present invention, FIG. 2 is an enlarged view of a control panel section of the embodiment, and FIG. 3 is an explanatory diagram of the configuration of the embodiment. 3 is an oil conversion device, in which a hose 2 extends outward and a galle 3 is provided at its tip. This /gull 3 is formed from a tube material with a thickness that can be inserted into the oil hole of the crankcase of a car engine, torque converter, etc., and is usually housed in a nozzle hole provided on one side of the main body 1. It has been F. , 61 is a waste oil tank that stores the old oil that has been removed, and 7 is a new oil tank that stores the new oil that will be filled.
It is placed on an outer shelf 8 and is provided so that it can be freely taken out from the rear of the main body 1.

Inside the main body 1, there are a pump 10, a float switch 11,
A total of 12 electromagnetic valves 13 and 14 are provided for the flow, and are connected to each other by oil pipes 15-1 to 15-3.

(Refer to Figure 3) Pump IO can be rotated in forward and reverse directions.
It consists of a volumetric pump that is driven by the pump and is capable of both suction and discharge operations. The 70-F switch 11 is
A chamber 17 that communicates with the pump IO via a pipe line 15-1, and a float 18 that moves up and down within the chamber 17.
and a reed switch 19 that is opened and closed by a magnet embedded in the float.
When oil flows into the 70-118, the 70-18 rises to -, and when air flows in, it descends.
The reed switch 19 detects the operation of the oil pipe 1.
It functions as a means for determining whether the fluid flowing through 5-1 is oil or air. The flow meter 12 is connected to the pump 1
It is of a type that can measure the flow rate in either direction of flow inhaled or discharged by 0, and outputs a signal for each unit flow. The solenoid valve 1:3 opens and closes a flow path 15-2 branching from the flow path 15-1 and leading to the waste oil tank 6. The solenoid valve 14 similarly opens and closes a flow path 15-3 branching from the flow path 15-1 and reaching the new oil tank 7. The flow path 15-1 is connected to the hose 2 and communicates with the nozzle 3, and all oil suction and discharge performed in this device is performed through this pipe 15-1. Reference numeral 20 denotes an oil check device provided in the flow path 15-1, which is made of a transparent container and is installed in the flow path 15-1.
This is for visually confirming the degree of contamination of the oil flowing through -1, and is provided exposed at one corner of the control panel 30, which will be described later.

A control panel 30 is formed above the curved surface of the main body 1, and is provided with a display 31, a production board 32, an alarm output section 33, and the like. (Refer to fjS2 diagram) Display 3
1 displays the oil flow rate based on the flow rate signal from the flow rate J[12 and the input value at the preset key 3G, which will be described later. Operation keys 35-1 to 5 are provided on the operation board 32.
・Preset key 36-1~2・Reset) 4-37-1
~! , Eh, Luck, Table H: 577' 38-1 to 5 are provided. The operation keys 35-1 to 35-5 are used to individually execute/stop the work that can be performed with this device 1, so
5-1 is an "auto" key that continuously drains and fills oil, and 35-2 is used to suck old oil.
Extraction-1 key, 35-3 is the "fill" key to inject new oil, 35-4 is the "refill" key to replenish new oil to the new oil tank 7, 35-5 is to drain waste oil from the waste oil tank 6. This is the "eject" key. Preset key 36-1~
3 is used to preset the amount of oil to be inhaled or discharged in each of the operations set to each of the operation keys 35-1 to 35-5, except for "auto" operation.
-, press the liter key 36-1 and the cc key 36-2 the required number of times to set the preset amount. Liter key: (
6-1 can be set from 0 to 202, and each press increases the number to 11.
The number increases by 1, and returns to 0 when it exceeds 2o1. The ec key 36-2 can be set in increments of 0.11 from 0 to 9e, and increases by 1 each time it is pressed (20), returning to 0 when it exceeds 0.91.Reset key 37- 1 to 2 are used to initialize the amount of oil stored in the waste oil tank 6 and new oil tank 7, respectively, and 37-1 is pressed when the waste oil tank 6 is empty after draining the waste oil or replacing the tank.

In addition, 37-2 has "Replenishment 1" when the new oil tank is empty.
Press after completing work. The display lamps 38-1 to 38-5 light up to indicate that each operation performed by the operation keys 35-1 to 35-5 is being executed.

Reference numeral 40 denotes a control unit that operates the pump 10, solenoid valves 13, 14, display 31, etc. according to programs in response to signals from the flow meter 12 and float switch 11, as well as the flowmeter panel 30. 41 is the drive of the pump 10.

424 is a drive circuit for the solenoid valves 13 and 14, and 44 is a drive circuit for driving the pump 10 and switching between suction and discharge.
11j, a drive circuit for the display 31; 45 is a drive circuit for outputting an alarm from the alarm output unit 33;

46 is a microcomputer, and the CPU 4 sends and receives signals to and from the above-mentioned parts via an interface circuit 47.
Equipped with 8.flOM49.RAM50.

4 to 8 are flowcharts representing the operation program of the above embodiment, showing each operation given by the operation keys 35-1 to 35-5, and FIG.
The figure shows "sampling" operation, Figure 6 shows "filling" operation, and Figure 7 shows "filling" operation.
Figure 58 shows the operation during the 1-discharge operation. The specific operation of the embodiment will be explained below based on this figure.

After setting the one-piece nozzle 3 into the oilage hole of the part to be worked on, press the "Auto" key 35- on the control panel 30.
When 1 is pressed, automatic operation starts.

First, after counting the flow rate signal from the flow meter 12 and clearing the contents of the counter C that gives the flow rate (1), the pump lO
The solenoid valve 13 is opened and the solenoid valve 14 is closed, the operation lamps 38-1 and 38-2 are turned on (2), and oil extraction is started. When the float switch 11 detects that oil has flowed into the flow path 15-1 as the pump 10 is operating (3), the counter C
At L11, the count of the flow rate signal from the flow meter 12 is started, and at the same time, the flow rate signal is also counted and integrated to start counting the amount of oil in the waste oil tank 6. The contents of C are displayed on the display 31 (5). After that, when the oil has been removed from the work target area and the 70-toggle switch 11 detects that air has flowed into the flow path 15-1 (6), the counter C
After stopping the count of counter C to prevent incorrect weighing due to counting of incoming air and storing the contents of counter C in memory D (7), wait for a certain period of time T (approximately 5 to 10 seconds) and then (
8) Completely drain the oil in the channels 15-1 and 15-2 into the waste oil tank 6, and stop the pump 10 (9).

During the oil extraction operation, when it is detected that the amount in the waste oil tank 6 given by the counter TC has reached a predetermined value or more and there is a risk of waste oil overflowing (10), the pump 10 is stopped and the alarm output section 33 A warning is outputted, and the operation lamp 38-5 flashes at the same time as the operation lamp 38-1 to prompt the user to discharge the waste oil (11).

Furthermore, 7 lag F indicates that the sampling operation is being suspended.

Add 1 cent to 'JD' and note the value of counter C.
Save to s (12). After this, control panel 3
When the "eject" key 35-5 is pressed at 0 (13)
, ■ (See Fig. 8) When the ``discharge'' operation is performed by jumping and the reset key 37-1 is pressed (14
), determines that the waste oil tank 6 has been replaced with an empty tank, clears the counter TC, returns the saved data Ds to C, and returns the 7 lag F, to O (15), and operates the operation key 35-1. By re-operating (16), the extraction operation is continued from (2).

When the extraction operation is completed in step (9), the contents of the counter C are cleared L (+7), the pump 10 is then operated for discharge, the solenoid valve 13 is closed, the solenoid valve 14 is opened, and the operation lamp 38- 1 and 38-3 are turned on (18), and oil filling is started. When the float switch 11 detects that oil has flowed into the flow path 15-1 as the pump 10 is operating (19)
, counter C starts counting the flow rate signal, and the flow rate signal, ! ;! 20) Counter TC2, which calculates the amount remaining in the new oil tank 7, starts counting.
, among which the contents of the counter C are displayed on the display 31 (
21). Oil is filled in this way, and when the filling amount C reaches the above-mentioned saved extraction amount data D1 (22
), the pump 10 is stopped, the counter C stops counting, the operation display lamp is turned off, and the alarm output unit 33 notifies the end of the operation (23), thereby ending the operation.

During the oil filling operation, if the remaining amount of new oil in the tank 7 given by the counter TC2 reaches a predetermined level or less, (24)
, stops the pump 1o, outputs an alarm from the alarm output section 33, and at the same time turns on the operation lamp 38-1.
4 flashes to prompt the replenishment of new oil (25), and also sets 7 lag F2 to 1 indicating that the filling operation is being interrupted, and saves the contents of counter C in memory DC (26). . After this, when the "replenishment" key 35-4 is pressed on the control panel 30 (27), the "replenishment" operation is performed by jumping 7 to ■ (see Fig. 7), and when the reset key 37-2 is pressed again. When the new oil tank 7 is filled with new oil (2!3), it is determined that the new oil tank 7 has been replaced with a new tank filled with new oil, a predetermined full tank amount a is assigned to the counter TC2, and the saved data DC is returned to C. with 7 lag F
2 is returned to O (29), and the operation key 35-1 is operated again (30), and the filling operation is continued from (3).

Therefore, in this automatic operation, we plan to drain the old oil.
is, L, and the end of the extraction is detected by the inflow of air into the flow path 15-1, and the operation automatically shifts to filling new oil, and the same amount of new oil as the oil that was extracted is filled. The process ends with If the waste oil tank 6 becomes full during the extraction operation or the new oil tank 7 becomes empty during the filling operation, the operation will be automatically stopped and the waste oil will be drained or new oil will be refilled. You can then continue and resume your work from the point where you left off.

After setting the nozzle 3, when the "extraction" key 35-2 is pressed on the control panel 30, the extraction operation starts.First, clear the counter C. 1), and further read preset (preset) ff1P input using the preset keys 36-1 and 36-2 into the memory PS1 (2).At this time, if there is no preset amount setting, the capacity of the waste oil tank 6 is stored in F"Sl; A fixed value is given accordingly. Thereafter, the pump 10 is operated for suction, the electromagnetic nut 13 is opened, the electromagnetic valve 14 is closed, and the operation lamp 38-2 is turned on (3) to begin draining the oil. When the 70-toe switch 11 detects that oil has flowed into the flow path 15-1 as the pump IO is operating (4), the counter C starts counting the flow @ signal from the flow meter 12, and the waste oil Start counting the amount of oil in the tank (5)
, among which the contents of the counter C are displayed on the display 31 (
6). As oil is removed, the amount of oil removed, that is, C
(7) or 70-) When the switch 11 detects that air has flowed into the flow path 15-1 (8), the counter C stops counting.9) After waiting for the certain period of time T (10),
Stop the pump IO, output a termination sound from the alarm output unit 33, and turn off the operation lamp 35-2 (1
1), Finish.

During this extraction operation, when the number of silkworms in the waste oil tank 6 supplied by the counter 1'C reaches a predetermined level (12), the pump 10 is stopped and the alarm output part 33 is activated. At the same time, the operation lamp 38-2 and the operation lamp 38-5 are flashed to prompt the user to discharge the waste oil (13).

Further, the 7-lag F1 is set to 1, and the value of the counter C is stored in the memory Ds (14). After this, when the r' eject J key 35-5 is pressed on the load roll panel 30 (15), the eject operation is performed by jumping to ■ (see Fig. 8), and the 1st cycle recent key 37-5 is pressed.
When 1 is pressed (16), it is determined that the waste oil tank 6 has been replaced with an empty tank, the counter TC is cleared, and the stored data Dsl;:C is returned to, and 7 lags F.

is returned to O (17), and the operation key 35-1 is pressed again (18), and the extraction operation is continued from (1).

Therefore, in this sampling operation, the old oil is removed and the amount of oil removed reaches the preset value or the extraction from the k1 quadrant is completed, but the oil stops automatically at some point. To manually interrupt the sampling operation, press the operation key 35-
Just press 2 again. Furthermore, if the waste oil tank becomes full during the extraction operation, the sedentary work is temporarily interrupted, and once the waste oil is discharged or the tank is replaced, the work can be resumed from the point of interruption.

Light-5] Ko Deaf A! After setting the one-piece nozzle 3, when the "filling" key 35-3 is pressed on the control panel 30, a filling operation is performed. First, the quantity C is cleared (1), and the preset amount P is read into the memory PS2 (2).If the preset amount P is not set at this time, a constant value corresponding to the capacity of the new oil tank 7 is given to PS2.

Thereafter, the pump 10 is operated for discharge, the solenoid valve I3 is closed, the solenoid valve 14 is opened, and the operation lamp 38-3 is turned on (3) to begin filling the oil. When the float switch 11 detects that oil has flowed into the flow path 15-1 (4), it starts counting the counter c't' flow rate signal and at the same time turns on the subtraction force wand of the remaining amount counter TC2 of the new oil tank. At the beginning (5), the contents of the counter C are displayed on the display 31 (6). When the filling amount given by the counter C reaches the preset 1Ps2 (7), the counter C stops counting (8), the pump 10 is stopped, and the alarm output section 33 notifies the completion, and the operation lamp 38-3 Turn off the light (9) and exit.

During the filling operation, when the remaining amount of new oil given by the counter T C2 reaches a predetermined amount or less (10), the benz 10 is stopped,
An alarm is output from the alarm output ff1S33, and the operation lamp 38-4 is flashed at the same time as the operation lamp 38-3 to urge replenishment of new oil (11). Further, the 7-lag F2 is set to 1, and the value of the counter C is stored in the memory Dc (
12). After this, on the control panel 30, select "Supplementary light J key 35-4 fr" IP 3 h (13),
■If you jump to (see m 71A) and perform a replenishment operation, and the reset key 37-2 is pressed again (14), the new oil tank is replaced with another tank filled with new oil? Finally, give a predetermined full tank amount a to the counter TC, return the saved data DC to the counter C, return the flag F2 to 0 (15), and press the operation key 35-1.
By re-operating ') (16), the filling operation is continued from ■.

Therefore, in this filling operation, new oil is filled, and when the filling (2) reaches the preset amount, it is automatically stopped. To manually interrupt the filling operation, simply press the operation key 35-3 again. Here, when the new oil tank becomes empty during the filling operation, the operation is interrupted, and when the tank is replaced, which is likely to be refilling, the operation can be resumed from the point of interruption.

Insert the Kagoinu a3 engineering U V-bar nozzle 3 or the hose 2 from which the nozzle 3 has been removed into a new oil container containing refill oil, and press the rltl charge J key 35-4 on the control panel 30 to refill. Driving takes place. Clear the counter C (1) and read the preset amount P into the memory PS (
2). At this time, if the setting of the preset amount P is
The full tank amount a of the new oil tank is substituted into . After that, the pump 10 is operated for suction, the solenoid valve 13 is closed, and the solenoid valve 14 is closed.
At the same time, turn on the operation lamp 38-4 (3
), start inhaling the new oil. When the float switch 11 detects that oil has flowed into the flow path 15-1 (4
), counter C″c should start counting the flow rate signal 5)
, the contents of this counter C are displayed on display 2S31 (
6). The intake amount given by counter C is the preset amount PS,
(7), but the suction oil runs out and the flow path 15-
1 (8), the counter C stops counting (9), the pump 10 is stopped, the alarm output section 33 notifies the end of replenishment, and the operation lamp 38 is turned on. -4 to turn off the light 10), the light Ji! to the remaining amount counter TC2 of the new oil tank 7! The ¥ amount C is set (11).

Furthermore, after this, check the above 7 runog F212), F=
If (), the work is completed, and if F=1, it is determined that the automatic operation or filling operation is continuing, and the data Dct! is displayed on the counter C. - When the operation key 35-1 or 35-3 (corresponding operation lamp 38-1 or 38-3 is blinking) is pressed (14) (15L■ or Henoyumps and resumes the work he left off.

Therefore, in this replenishment operation, the new oil tank is replenished with new oil, and when the replenishment amount reaches the preset amount or the replenishment oil runs out, the system automatically stops. Also, operation key 35-4
You can also stop it manually by pressing again.

11 Put the single nozzle 3 or the hose 2 from which the nozzle 3 has been removed into a container for transferring waste oil, and press the [Discharge 1 key 35-5 on the control panel 30 to start the discharge operation.] It is done. First, clear counter C1),
Priscella), read FQ P into memory PS4 (2
). At this time, if the preset amount P is not set, a constant value exceeding the full amount of the waste oil tank 6 is given to the PS4. Next, the pump 10 is operated for discharge, and the solenoid valve 13 is opened.
The solenoid valve I4 is closed, the operation lamp 38-5 is turned on (3), and waste oil discharge begins. float sui・
When the notch 11 detects that oil has flowed into the channel 15-1 (4), the counter C't? Counting of the Q presentation signal is started 5), and the contents of this counter C are displayed on the display 31 (6). Whether the suction amount given by counter C reaches the preset amount PS (7), or whether it is detected that the oil has finished discharging and the air has flowed into the flow ψ15-1 (8)
Then, after stopping the count of counter C (9),
The pump 10 is stopped, the alarm output unit 33 notifies the completion of discharge, and the operation lamp 38-5 is turned off.
), the oil quantity counter TC of the waste oil tank 6 is set with no discharge air C (11). Furthermore, after this, check the flag F-'112). If F=0, the work is finished, and if F=1, it is determined that the automatic operation or sampling operation is continuing. , Counter C! : To restore the data Ds 13), when the operation key 35-1 or 35-2 (the corresponding operation lamp 38-1 or 38-3 is in a blinking state) corresponding to the ongoing work is pressed. (1
4) (15), ■ or ■ resume the interrupted work.

Therefore, in this discharge operation, waste oil is discharged from the waste oil tank 6, and when the discharge amount reaches a preset amount or the waste oil tank becomes empty, the operation is automatically stopped. Also, driving key 3
By pressing 5-5 again, you can switch to manual mode [L].

In this embodiment, automatic operation, sampling operation, filling operation, and
The five operations of replenishment operation and discharge operation can be performed selectively or in succession as required.

This invention has the above-mentioned configuration, and includes a pump for both suction and discharge, a waste oil tank for storing old oil,
This simple device is equipped with a new oil tank for storing new oil, and a flow path switching means that selectively communicates the new oil tank with the pump, which is similar to a waste oil tank. The first step is to run the pump to discharge the old oil from the waste oil tank. The second step is to run the pump to discharge the old oil and fill it with new oil from the new oil tank. It can also be used to replenish new oil.
It is small and can be produced at low cost, and can perform many tasks that were not possible before.

[Brief explanation of the drawing]

The It diagram is an external view of one embodiment of the present invention. FIG. 2 is an enlarged view of the main parts of the embodiment. ttS3 Figure is an explanatory diagram of the configuration of the embodiment. Figures 4 to 8 are flowcharts showing each operation of the embodiment.
figure. Reference numeral 1 denotes the main body of the oil exchange device, 6 a waste oil tank, 7 a new oil tank, 10 a pump, 13 and 14 a flow path, and a solenoid valve serving as a switching means. Patent application Artificial Muke Seiko Co., Ltd. Figure 2, Figure 3, Figure 5, Figure 4 (1) Figure 4, Figure 6, Figure 7, Figure 3 (1) Yukyoko I21

Claims (1)

[Claims] The pump is equipped with a pump for both suction and discharge, a waste oil tank for storing old oil, a new oil tank for storing new oil, and a flow path switching means for selectively communicating the waste oil tank or the new oil tank with the pump. The pump is operated to perform suction operation to drain old oil into the waste oil tank, discharge operation of the pump to discharge old oil from the waste oil tank, discharge operation of the pump to fill new oil from the new oil tank, and pump operation. An oil change device characterized in that it can carry out the work of refilling new oil into a new oil tank by suctioning the oil.