JPS5962497A - Device for forwarding fixed quantity of liquid - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a liquid metering shipping device, and more particularly to a liquid metering shipping device used when shipping various petroleum products by tank truck or the like.

In such a liquid quantitative shipping device, a shipping station is constructed to which a tank truck or the like for delivering liquid products is mounted, and shipping piping is provided for each type of liquid at this station.

This shipping piping is equipped with a so-called quantitative meter, but this metering needle is mainly a non-circular gear type or other positive displacement flow rate needle equipped with a counter with a preset function, which is equipped with a sub-valve. It is inserted into shipping piping together with an automatic on-off valve, and is further equipped with an automatic temperature compensation device and an on-site operation panel operated by tank truck drivers and other on-site workers (4).

One flow rate needle is equipped with one automatic on-off valve, which constitutes one shipping port, but the delivery side piping of one flowmeter is branched into multiple pipes, and an automatic on-off valve is installed on each of the branch pipes. It is also possible to configure a plurality of shipping ports, and both methods are widely used.

Therefore, these liquid metering delivery devices are usually controlled by a remote control device that centrally controls all metering needles of one or more shipping stations, and furthermore, the remote control device is also subject to shipping contracts and It is now managed by a central control unit that manages accounting processing.

The driver of the tank truck receiving the shipment is issued with a magnetic card and other sticks created by a terminal in the central control unit in advance, and he inserts the stick into the on-site operation panel to release the lock. , performs a predetermined operation and loads a predetermined amount of oil of a predetermined type into its own tank truck.

(5) In such cases, the central controller immediately processes accounting transactions related to the shipment online.

In this way, the liquid metering and dispensing equipment widely used today is incorporated into a large-scale administrative system that includes a central control unit. It may cause.

In particular, the remote control device used in conventionally known liquid metering shipping devices is configured as an inseparable black box system, and therefore only a minor partial failure occurs. However, once a failure occurs, its effects spread over a wide area, causing the entire system to stop functioning, and eliminating the failure requires a great deal of time and manpower.

In addition, conventionally known remote control devices are equipped with large panels that are equipped with a large number of instruments that do not necessarily require constant monitoring, so they are not only expensive but also require a large floor space to install. required area.

(6) In addition, in conventionally known devices, the display device for detecting and displaying abnormalities in shipping operations and shipping equipment is also complex, requiring a large area on the panel and a large number of display elements, which makes maintenance difficult. This required a great deal of manpower and expense.

The present invention has been made based on the above-mentioned viewpoints, and its purpose is to provide a system that is simple and compact, that makes it easy to eliminate failures, and as a result, the effects of accidents are less likely to spread to others. Moreover, it is an object of the present invention to provide a new liquid quantitative shipping device that does not take up much space for installation, is inexpensive, and requires low maintenance costs.

Hereinafter, the present invention will be explained in detail with reference to the drawings.

The drawing is an explanatory diagram showing one embodiment of the liquid fixed quantity shipping device according to the present invention, in which 1 is a shipping station on which a tank truck is attached, 10.20 and 30 are liquid supply pipes, and 11.21 and 31 are Non-circular gear type flow meter, 12.
22 and 32 are temperature detectors, 13.23L523R and 33 are automatic on-off valves, 14.24L, 24R and 34 are shipping port hoses, 15.25L, 25R and 35 are (7) respectively. Third and fourth shipping ports, 16.26L.

26R and 36 are on-site operation panels, 40 is a remote control panel,
41 is the housing, 42 is the front panel, 50.51.52.5
3.54.55 and 56 are indicator lamps, 57.58.5
9 and 60 are shipping port number displays, 61 is a display, 62 is a select switch, 63 is an error reset switch, 64
65 is a batch reset switch, 66 and 66 are hinges for locking the front panel 42, 70-1.70-2.70-3 and 70-4 are control printed boards, and 71 is a control print board. timing pulse oscillator,
72 is a CPU, 73 is a read-only memory, 74 is a random access memory, 75.75 is a data bus, 76
is a flow rate pulse input terminal from the positive displacement flowmeter 11, 77 is a frequency divider, 78 is a changeover switch, 79 is a reset input terminal to which a batch reset switch signal is input, 80 is a signal input terminal from the temperature detector 12, 81 82 is an automatic temperature compensation calculation circuit, 82 is an estimated overposition setting device, 83 is an initial shipping amount setting device using a sub valve, 84 is an input/output isolator, 85 is a shipping permission indicator lamp, 86 is an auxiliary valve open/close indicator lamp, 87 is an auxiliary valve open/close indicator lamp. Main valve open/close indicator lamp, 88 is metering needle operation indicator lamp, 89
(8) is a CPU operation indicator lamp, 90 is a central control unit provided at a remote value, and 91 is a data line.

The liquid supply piping 10.20.30 is connected to a storage tank and an oil pump (not shown) and is supplied with pressurized oil prior to use of the device.

This liquid supply pipe 10.20.30 has a positive displacement flowmeter 11.21.31 and a temperature sensor 12.22.3, respectively.
2 is inserted.

Automatic opening/closing valves 13 are provided in the liquid supply pipes 10 and 30, respectively.
and 33 and hoses 14 and 34 are connected, which constitute the second and fourth shipping ports 15 and 35, and the liquid supply pipe 20 has two automatic on-off valves 23L and 23R.
and hoses 24L and 24R are attached, thereby forming second and third shipping ports 25L and 25R.

Therefore, these first, second, third and fourth shipping ports 15
．． 25L, 25R, and 35 are connected to a tank truck or the like (not shown) at the time of shipment.

Automatic opening/closing valves 13.23L, 23R, and 33 are equipped with a large diameter main valve and (9) a small diameter sub-valve, and when the valve opens, the sub-valve opens before the main valve, and when it closes, the main valve closes. The rear auxiliary valve is configured to close, thereby preventing accidents caused by hammering or static electricity when opening and closing the valve.

The field operation panels 16, 26L, 26R, and 36 are always locked with magnetic locks, but when a field worker inserts a predetermined magnetic card, they are unlocked and can be operated.

The field worker connects the desired shipping port hose and grounding conductor wire (not shown) to his own tank truck, sets the desired shipping amount using the setting dial on the field operation panel, and presses the start pushbutton switch. An automatic on-off valve is opened to receive a predetermined amount of oil.

The operating status of these devices is controlled by the remote control panel 4.
Monitored, controlled and recorded by 0.

The front panel 42 of the remote control panel 40 is attached to the housing 41 (10) so that it can be opened and closed by a hinge, a part of which is shown, and has shipping port number displays 57 to 60 and corresponding display lamps. 50.51.52.53.54
．． 55 and 56 are provided.

The indicator lamps 50, 51, 52 correspond to the liquid supply piping 10, 20, 30 and the positive displacement flowmeter 11, 21, 31, respectively, and are indicator lamps 50a, 51a or 51a, respectively, which light up while the metering needle is in operation. 52a1 central control device 9
Reservation confirmation display lamps 50b, 51b that light up when the operation of the corresponding on-site operation panel is determined to be appropriate as a result of the comparison with 0
Or 52b1 Abnormality indicator lamp 5 that lights up when an abnormal situation occurs
0c, 51c or 52C.

In addition, the indicator lamps 53 and 54 are connected to the second or third shipping port 2.
This indicates whether 5L or 25R is used, and the indicator lamp 55 is the earth indicator lamp, and the indicator lamp 55 is the earth indicator lamp.
Reference numeral 6 denotes an indicator lamp (not shown) indicating that the pressure of control air is equal to or higher than a specified value.

Therefore, when shipping is proceeding smoothly from the second shipping port 25L, the indicator lamps 51a, 53, 55, and 56 are lit.

The housing 41 has four control printed boards 70-1.70-2.70-3 and 70 corresponding to the four shipping ports.
-4 is provided.

The select switch 62 is a rotary switch that selects one of the four control printed boards and connects it to the display 61. In the illustrated state, the select switch 62 selects the control printed board 70-2 corresponding to the second shipping port 25L, and therefore the display 61 indicates that the control board 70-2 corresponds to the second shipping port 25L. It shows data on quantitative shipments.

Each control printed board 70-1.70-2.70-3
and 70-4 have the same configuration and include a known timing pulse oscillator 71, CPU 72, read-only memory 73, random access memory 74, automatic temperature compensation calculation circuit 81, and other illustrated circuit elements. It also performs well-known temperature compensation calculations and quantitative control.

Furthermore, these control printed boards are connected to a central control unit 90 via a data line 91, and the central control unit 90 determines whether or not the field operation panel is being operated based on a predetermined contract. In addition, the system constantly monitors whether the shipment is carried out without any problems, and when the shipment is completed, predetermined accounting processing is carried out without delay.

The estimated flow overposition setting device 82 provided on this control printed board sets the estimated amount of oil that will pass through the valve after the closing command signal is given to the sub-valve until the sub-valve is closed. , when the shipment of an amount smaller than the expected shipment amount is completed, a sub-valve closing signal is transmitted. The volume to be shipped is set using only the sub-valve before opening.

Furthermore, since each of these control printed boards has a shipping permission indicator lamp 85, a sub-valve open/close indicator lamp 86, a main valve open/close indicator lamp 87, a metering needle operation indicator lamp 88, and a CPU operation indicator lamp 89, the administrator can The front panel 42, which also serves as the door of the housing 41, can be opened at any time to know the operating status of the system.

In this embodiment, the display 61 is a 6-bit number (13
) The display part 61a of the upper two bits indicates the preset value set by the field worker on the field operation panel 26L and whose shipment has been approved as valid as a result of verification by the central controller 90, The display portion 61b of the lower 4 bits indicates the capacity shipped to date, that is, the capacity of the positive displacement flowmeter 21.
It displays the measured value (value after temperature compensation).

However, if a detection device (not shown) detects an abnormality in any part or operation of the device,
This display 61 is automatically switched to display a code indicating the location and type of accident.

An example of this abnormality display is as follows.

3rd bit: Accident occurrence display E 4th bit: Number of accidents 1 to 9 5th bit: Accident location Shipping port number 1 to 4 6th bit: Accident type (1) Backlog... −−−−−−−−
−−−−−−1 (2) Earth abnormality −−−−−−−−
−−−1・・−・−・−2 (3) Shipping amount exceeded−−・
−・−−−−−−−−−3 (14) (4) No flow needle pulse after valve opening −4 (5) Emergency stop−・−−−−−−−−−1−−−
・-・-5 When the occurrence of multiple accidents is displayed, pressing the low-chie scene switch 64 changes the display of the 5th and 6th bits, and sequentially displays the contents of the other accidents and their contents. This is to display the location of the accident.To cancel this accident display, press the error reset switch 6.
Press 3. In such a case, the accident record will be erased one by one with each press, and the display will return to the above-mentioned normal state.

Incidentally, the batch reset switch 65 is used to reset and initialize all circuits.

Since the present invention is configured as described above, according to the present invention, when a failure occurs in a control printed board, etc., the failure can be immediately eliminated by taking measures such as replacing the defective product with a spare one. It is something.

The system of the invention is simple and compact and therefore:
According to the present invention, it is possible to provide a new liquid quantitative shipping device that can easily eliminate failures, has less influence of accidents, and that does not take up much space to install, is inexpensive, and has low maintenance costs. There is something you get to do.

The configuration of the present invention is not limited to the above-mentioned embodiments. For example, the present invention can be applied to devices for quantitatively shipping all types of liquids other than petroleum. The number and arrangement of the ports may be determined according to the object II of the present invention as necessary.
The design can be freely changed within IIB, and the present invention encompasses all of them.

[Brief explanation of the drawing]

The drawing is an explanatory view showing one embodiment of the liquid quantitative shipping device according to the present invention. 1-------・----1----------Shipping Stylon 10.20.30----Liquid supply piping 1
1.21.31--・--Positive flow meter 12.22
．． 32-------・1 temperature detector 13.23L, 2
3R, 33------Automatic on-off valve 14.24L
, 24R, 34--1-...-Shipping port hose I5.
25L, 25R, 35-1---Shipping port 16.2
6L, 26R, 36----... Field operation panel 40
------ ---------・---1----Front panel 50 to 56------------Indication lamp 61----------1.- 11--------Display 62------11-----------Select switch 63-----------1------- −
1 Error Reset Sui Nochi 64--------11--------Rhode Shiron Sui Nochi 65.-
・・−・−１−−−−−−−・−Baso chili set sui・
Nochi 70-1 to 70-4----- Control printed board 71-・-----11-----Timing pulse oscillator 72--・--1-- −・・−・−
・-CP U73-・-----11--------
---Read only memory 74----
----Random access memory 75--
−−−−−−−・−・−Data bus 76・−111・
-・-1------Flow pulse input terminal 77
・−・−1−−−−−−−−−−−−−− Frequency divider 7B
−−−−−−−−−−−−−−−−−Swissia 9
−1−−・−・−・−−−−−−−−−−−−Reset input terminal (17) 80−−−−−−−−・−1−−−・−−−m−・Temperature Signal input terminal 81・−・−・−・・−−−−−1−−−1 Temperature signal input terminal 82−・・−−−−−−−−−−
------ Expected excess amount setting device 83-・-----・----
-------m-Initial shipping amount setting device 84-- by sub-valve
−・−・−・−・−11−−−・−Person output isolator 85−・−1−−−・−−1−−−−−−−−−Shipping permission display lamp 86−−− −− −−−1・・−1−−・
−1−−−Sub-valve open/close indicator lamp 87−・−−−1−−・
・-1------ Main valve open/close indicator lamp 8B---
−−・−−1−・・−−−−−1−− Constant quantity meter operation indicator lamp 89−・−・・−・・−・−CP U operation indicator lamp 90・−−1−・−・−・−11−−−−−−
Central control unit 91--------------Deke line patent applicant Agent for Oval Equipment Industry Co., Ltd. (7524) Shotabe Mogami (18)

Claims (1)

[Claims] (11) A plurality of liquid supply pipes each leading to a predetermined shipping port, a flow rate needle provided in each of the plurality of liquid supply pipes, and an automatic opening/closing valve provided corresponding to the shipping port. A metering needle consisting of a temperature detector and an automatic temperature compensation calculation device provided corresponding to a valve, a field operation panel, and the flow meter, and a meter provided separately from the field operation panel to control the meter and operated. In a liquid metering shipping device consisting of a remote control panel that controls the operation of the remote control panel and a central control device that controls the operation of the remote control panel and records its operating status, the remote control panel meets the following (items 81 to te1). The above-mentioned liquid quantitative shipping device is characterized in that it consists of the following components. 1) Consists of a reservation confirmation display lamp that indicates whether the operation is appropriate, a shipping display lamp that indicates that the corresponding quantitative meter is in operation, and an abnormality display lamp that indicates the occurrence of an abnormal situation. , display lamps arranged on the front panel corresponding to the arrangement of each shipping port. A central control unit (hereinafter referred to as CPU) that is connected to the metering needle and controls the corresponding automatic on-off valve with sub-valve and other components, a read-only memory that stores the programs necessary for control, and arithmetic and equipment. Random access memory used to record the operating status of the liquid, an automatic temperature compensation calculation circuit connected to the temperature sensor of the liquid to be shipped and that corrects measurement errors due to temperature expansion of the liquid, a shipping permission indicator lamp, 2) A sub-valve open/close indicator lamp, a main valve open/close indicator lamp, a metering needle operation indicator lamp that blinks due to the oscillation pulse of the metering needle, a CPU operation indicator lamp, a CPU reset switch, an estimated line overposition setting device, A control printed board that is equipped with an initial shipping amount setting device using a sub-valve and is housed in the above-mentioned housing. +e) It is selectively connected to the plurality of control printed boards mentioned above, and when normal, it displays the shipping amount set by the field operation panel and the actual shipping amount of metering needles, and detects abnormalities in shipping work or shipping equipment. An indicator that displays a code indicating the location and type of accident when an accident occurs. (e) A select switch that selectively connects the plurality of control printed boards to the display device. (3) (2) The display has an error reset switch that cancels the accident display and returns the display to normal display, and when multiple accidents occur, the display switches sequentially to display codes indicating the location and type of the accident. 2. The liquid quantitative shipping device according to claim 1, further comprising a low-chie switch for controlling the flow rate.