CN201716063U - Tank container single-bin digital metering system - Google Patents
Tank container single-bin digital metering system Download PDFInfo
- Publication number
- CN201716063U CN201716063U CN2010202583774U CN201020258377U CN201716063U CN 201716063 U CN201716063 U CN 201716063U CN 2010202583774 U CN2010202583774 U CN 2010202583774U CN 201020258377 U CN201020258377 U CN 201020258377U CN 201716063 U CN201716063 U CN 201716063U
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- China
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- tank container
- hole
- metering system
- storehouse
- valve core
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Abstract
The utility model discloses a tank container single-bin digital metering system which aims to conveniently, quickly and accurately meter the liquid added to or discharged from a tank body. A gravity collector is arranged at the bottom of the tank container, the output signal of the gravity collector is processed by a signal amplifier and an A/D converter and is finally transmitted a terminal processor, and the terminal processor is connected with a monitor and a keyboard. Compared with prior art, the basic information of the liquid is inputted through the keyboard, the gravity collector converts the millivolt pressure signal into electrical signal in 0-10V, and then the electrical signal is converted by the A/D converter to output the frequency signal to the terminal processor, the terminal processor operates the frequency signal through fixed value judgment method to display the operation structure through the monitor; the tank container single-bin digital metering system is more convenient, quick and more accurate and has minimal error rate, and is applicable to the volume metering of tank transporters.
Description
Technical field
The utility model relates to the volumetric metering system of a kind of special purpose vehicle, particularly a kind of tank car.
Background technology
At present, at home and abroad in the pot type special car manufacturing process, single storehouse metering of flow container class special car is very difficult.Even the flow container special car that has can measure in single storehouse, all is the volume that calculates in the independent storehouse mostly, measure liquid level with rule, obtain single storage capacity metering by Calculation Method then, the shortcoming of this measuring method is: measure inaccurately, error is big, and error is about 5%; Do not measure the function of unit price; Inconvenient operation needs survey crew upper tank body top that manhole cover is opened, and just can observe rule, and measuring method falls behind.
Summary of the invention
The purpose of this utility model provides a kind of tank container list storehouse numeral metering system, and the technical matters that solve is the liquid that can convenient, fast and accurately be metered into or export in the tank body.
The utility model is by the following technical solutions: a kind of tank container list storehouse numeral metering system, described tank container list storehouse numeral metering system is provided with the gravity collector in the bottom of tank container, to terminal handler, terminal handler is connected with display and keyboard to the output signal of gravity collector through signal amplifier, analog/digital converter; Described gravity collector is provided with valve body, and along valve axis, the valve body upper end has first counterbore, and the bottom has second counterbore; Be provided with the cone valve core retainer plate in first counterbore, taper valve core is arranged in the cone valve core retainer plate, and passes valve body, its lower end to the second counterbore, and connect gravity sensor; Fluid to be measured in taper valve core top and the tank container contacts; Form movable sealing structure between the middle part of taper valve core and the valve body; Taper valve core is provided with the structure that taper valve core is resetted.
Between first counterbore and second counterbore of the utility model valve body, along axis, inner shape of through holes from top to bottom is: the aperture in first hole is greater than the aperture in second hole, the aperture in second hole is greater than the aperture in the 3rd hole, form first boss between first hole and second hole, form second boss between second hole and the 3rd hole.
The internal diameter of the cone valve core retainer plate external diameter of the present utility model and first counterbore is suitable, and cone valve core retainer plate endoporus is shaped as: top is first cylindric, and the middle part is first taper shape that dwindles downwards, and the bottom is the first roundlet column.
Taper valve core of the present utility model be shaped as column, be followed successively by from top to bottom: second largest cylindric, second taper shape that dwindles, the second roundlet column, external thread, have the cylinder on two relative planes downwards, first cylindric, first taper shape that dwindles downwards of the top of second largest cylindric, the second conical and second roundlet column of dwindling downwards and cone valve core retainer plate endoporus and the hole of the first roundlet column are suitable, and the lower, outer perimeter edge of the second roundlet column is a sealing surface.
Be provided with valve pocket in described first hole of the present utility model, the external diameter of valve pocket and height and the internal diameter in first hole and highly suitable, the endoporus of valve pocket is a sealing surface, forms movable sealing structure by the O RunddichtringO between the top of the second roundlet column and the valve pocket endoporus.
The structure that resets of the present utility model is made of the spiral compression spring of external thread periphery overcoat, the back-up ring on compression spring top, second boss of compression spring bottom.
Cylinder with two relative planes of the present utility model, two relative plane is used for connecting gravity sensor with screw.
Be provided with strain-type gravity foil gauge in the gravity sensor of the present utility model, strain-type gravity foil gauge outputs signal to signal amplifier, and the bridge circuit that described signal amplifier is made of direct supply, four resistance, two operational amplifiers are linked in sequence and constitute.
Valve body of the present utility model upper end is provided with and is used for sending out flange connecting blue with the installation of tank body bottom.
Have the outage in cross connection first hole on the wall of the utility model valve body; The described second counterbore end is provided with the gland that connects by screw.
The utility model compared with prior art, adopt the essential information of keyboard input liquid and the gravity collector becomes the signal of millivolt level into pressure 0-10V after amplifier amplifies by gravity sensor electric signal output, output frequency signal is loaded on the terminal handler after the A/D analog to digital conversion, terminal handler computing and field planting are judged, the computing structure is presented on the display, make metering system more convenient, quick, measurement is accurate, error rate is minimum.
Description of drawings
Fig. 1 is a structural drawing of the present utility model.
Fig. 2 is the structural representation of the utility model gravity sensor.
Fig. 3 is the installation site figure of the utility model tank container list storehouse numeral metering system.
Fig. 4 is circuit theory diagrams of the present utility model.
Embodiment
The utility model will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, tank container list of the present utility model storehouse numeral metering system, be provided with the gravity collector in the tank container bottom, to terminal handler, terminal handler connects display and keyboard to the signal of gravity collector output through signal amplifier, analog/digital A/D converter.
The gravity collector is used to gather the weight that the liquid in flow container special car list storehouse increases or reduces, and after converting voltage signal to and exporting to signal amplifier and amplify, A/D converter carries out the A/D conversion with amplified analog signal, exports to terminal handler again.Display is used to show that liquid increases or the volume of minimizing, and keyboard is used for proportion and the unit price to terminal handler input liquid.
As shown in Figure 2, gravity collector 18 is provided with valve body 5, and valve body 5 upper ends are flange 16, has first counterbore 51 along valve body 5 axis valve bodies 5 upper ends, and the bottom has second counterbore 52.Be provided with cone valve core retainer plate 2 in first counterbore 51, taper valve core 1 is arranged in the cone valve core retainer plate 2, and passes valve body 5, its lower end to the second counterbore 52.The lower end of the taper valve core 1 in second counterbore 52 is connected with gravity sensor 6.Second counterbore, 52 ends are provided with the dismountable gland 8 that connects by screw 10.Be provided with valve pocket 58 between the middle part of taper valve core 1 and the valve body 5, form movable sealing structure by the O RunddichtringO between the lower rim of taper valve core 1 and valve pocket 58 endoporus.Taper valve core 1 is provided with the structure that taper valve core 1 is resetted.
Between first counterbore 51 and second counterbore 52 of valve body 5, along axis, inner shape of through holes from top to bottom is: first hole 53, second hole 54 and the 3rd hole 55, the aperture of the first hole 53D is greater than the aperture in second hole 54, the aperture in second hole 54 is greater than the aperture in the 3rd hole 55, form between first hole 53 and second hole 54 and form second boss 57 between first boss, 56, the second holes 54 and the 3rd hole 55.Described valve pocket 58 is arranged in first hole 53, the external diameter of valve pocket 58 and height and the internal diameter in first hole 53 and highly suitable (suitable is that mating part size, the size of two parts adapts and cooperate).
The internal diameter of cone valve core retainer plate 2 external diameters and first counterbore 51 is suitable, and cone valve core retainer plate 2 endoporus are shaped as: top is first cylindric 21, and the middle part is first taper shape that dwindles downwards 22, and the bottom is the first roundlet column 23.
The outer peripheral edges of external thread 15 are equipped with spiral compression spring 4 outward, and the top of compression spring 4 contacts with the back-up ring 12 that external thread 15 tops are provided with, second boss 57 of bottom contact valve body 5.
The cylinder with two relative planes 16 of the lower end of taper valve core 1, two relative plane is used for connecting gravity sensor 6 with screw, be provided with strain-type gravity foil gauge 9 in the gravity sensor 6, strain-type gravity foil gauge 9 connects signal amplifier through signal output lead 7.
On the wall of valve body 5, have the outage 59 in cross connection first hole 53.
As shown in Figure 3, the bottom of tank body 15 is provided with afflux groove 17, and gravity collector 18 is installed in the afflux groove 17, is connected with in tank body 15 bottoms to install to send out orchid 19, is used for being connected with the flange 16 of valve body 5.This gravity collector 18 has a plurality of, is located at the compartment bottom of each tank body 15 respectively.
As shown in Figure 4, the voltage signal of gravity foil gauge 9 generations exports signal amplifier to through signal output lead 7.The bridge circuit that signal amplifier is made of 9V direct supply, four resistance, two operational amplifiers are linked in sequence and constitute.
The signal of signal output lead 7 outputs connects 9V positive source, the 5th resistance R 5, first resistance R 1, second resistance R 2.The ground wire of signal output lead 7 connects 9V power cathode, the 6th resistance R 6, the 3rd resistance R 3, the 4th resistance R 4.The other end of adjustable resistance RW1 connection and the 5th resistance R 5 and the 6th resistance R 6, it regulates the other end of termination first resistance R 1 and the 3rd resistance R 3, the forward output terminal of the 2 the second operational amplifier A 2, and the reverse input end of the 2 the second operational amplifier A 2 connects the reverse input end of first operational amplifier A 1 through the 7th resistance.The positive input of second resistance R 2 and the 4th resistance R 4 another termination first operational amplifier A 1.
To terminal handler, terminal handler connects display, keyboard and storer to the output signal of first operational amplifier A 1 and second operational amplifier A 2 through A/D converter.
As most preferred embodiment: gravity sensor 6 of the present utility model adopts the GYL-3 strain pressure transducers, A/D converter adopts ICL7106 biproduct somatotype A/D converter, terminal handler adopts 8031 single-chip microcomputers, display adopts 7.5 cun LCDs, keyboard adopts 20 key waterproof tactile keyboards, first to fourth resistance adopts the resistance of 350 Ω, the 5th resistance adopts the resistance of 35.7K Ω, the 6th resistance adopts the resistance of 27K Ω, adjustable resistance adopts the resistance of 2K Ω, and first operational amplifier and second operational amplifier adopt the ICL7650 high precision operating amplifier.
Principle of work of the present utility model: when the fluid pressure in the tank container acts on above the taper valve core of gravity collector, taper valve core has moving of trace downwards, four resistance strain gages that pressure passed to the GYL-3 strain pressure transducer constitute the full-bridge bridge circuit, under the constant situation of bridge voltage V, GYL-3 strain pressure transducer output is directly proportional with gravity and common bridge bridge voltage on acting on sensor; And the variation of bridge bridge voltage V directly influences the precision of weighing altogether; So requiring bridge voltage should stablize; The sensing output of millivolt level is after A1, A2 amplify, become the electric signal output of 0-10V, carry out A/D mould, number conversion, the frequency signal of conversion back output is loaded into that terminal handler carries out computing and definite value is judged, the result that computing is judged is presented on the display screen.
The utility model is installed in the integrated digital display system of single storehouse numeral metering of tank container list storehouse numeral metering system on the instrument desk of vehicle cab, as long as the operator imports title, fluid density and the unit price of certain single storehouse liquid, will show on the display screen that the general assembly (TW) of existing liquid this single storehouse in and total charge reach the weight and the amount of money of output liquid in single storehouse.If on the pot type special car of a plurality of compartments, each independent compartment is installed single storehouse numeral metering system, the gravity sensor of each independent compartment is connected with the interface of digital display system, and metering system can be gathered the general assembly (TW) and the total charge of the liquid input and output in any one single storehouse like this.To realize purpose to whole each tank body metering.This measuring method is measured accurately, error rate is minimum easily and fast, and error rate is 0.1%; Bridge is electrically connected the influence of zero point and output sensitivity during for temperature variation, even adopt with a collection of supporting foil gauge, also can influence,, meet the requirements fully after treatment so when design, manufacturing, should adopt the temperature difference to compensate bonding die automatically because of the error that characteristic between the foil gauge causes.
Claims (10)
1. tank container list storehouse numeral metering system, it is characterized in that: described tank container list storehouse numeral metering system is provided with gravity collector (18) in the bottom of tank container, to terminal handler, terminal handler is connected with display and keyboard to the output signal of gravity collector (18) through signal amplifier, analog/digital converter; Described gravity collector (18) is provided with valve body (5), and along valve body (5) axis, valve body (5) upper end has first counterbore (51), and the bottom has second counterbore (52); Be provided with cone valve core retainer plate (2) in first counterbore (51), taper valve core (1) is arranged in the cone valve core retainer plate (2), and passes valve body (5), its lower end to the second counterbore (52), and connect gravity sensor (6); Fluid to be measured in taper valve core (1) top and the tank container contacts; Form movable sealing structure between the middle part of taper valve core (1) and the valve body (5); Taper valve core (1) is provided with the structure that taper valve core (1) is resetted.
2. tank container list according to claim 1 storehouse numeral metering system, it is characterized in that: between first counterbore (51) and second counterbore (52) of described valve body (5), along axis, inner shape of through holes from top to bottom is: the aperture of first hole (53) is greater than the aperture of second hole (54), the aperture in second hole (54) is greater than the aperture of the 3rd hole (55), form first boss (56) between first hole (53) and second hole (54), form second boss (57) between second hole (54) and the 3rd hole (55).
3. tank container list according to claim 2 storehouse numeral metering system, it is characterized in that: the internal diameter of described cone valve core retainer plate (2) external diameter and first counterbore (51) is suitable, cone valve core retainer plate (2) endoporus is shaped as: top is first cylindric (21), the middle part is first taper shape that dwindles downwards (22), and the bottom is the first roundlet column (23).
4. tank container list according to claim 3 storehouse numeral metering system, it is characterized in that: described taper valve core (1) be shaped as column, be followed successively by from top to bottom: second largest cylindric (11), second taper shape that dwindles downwards (12), the second roundlet column (13,14), external thread (15), cylinder (16) with two relative planes, second largest cylindric (11), first cylindric (21) of the top (13) of second taper shape that dwindles downwards (12) and the second roundlet column and cone valve core retainer plate (2) endoporus, the hole of first taper shape that dwindles downwards (22) and the first roundlet column (23) is suitable, and the bottom of the second roundlet column (14) outer peripheral edges are sealing surface.
5. tank container list according to claim 4 storehouse numeral metering system, it is characterized in that: be provided with valve pocket (58) in described first hole (53), the external diameter of valve pocket (58) and height and the internal diameter of first hole (53) and highly suitable, the endoporus of valve pocket (58) is a sealing surface, forms movable sealing structure by the O RunddichtringO between the top of the second roundlet column (13) and valve pocket (58) endoporus.
6. tank container list according to claim 5 storehouse numeral metering system is characterized in that: the described structure that resets is made of the spiral compression spring (4) of external thread (15) periphery overcoat, the back-up ring (12) on compression spring (4) top, second boss (57) of compression spring (4) bottom.
7. tank container list according to claim 6 storehouse numeral metering system, it is characterized in that: described cylinder (16) with two relative planes, two relative plane is used for connecting gravity sensor (6) with screw.
8. tank container list according to claim 7 storehouse numeral metering system, it is characterized in that: be provided with strain-type gravity foil gauge (9) in the described gravity sensor (6), strain-type gravity foil gauge (9) outputs signal to signal amplifier, and the bridge circuit that described signal amplifier is made of direct supply, four resistance, two operational amplifiers are linked in sequence and constitute.
9. tank container list according to claim 8 storehouse numeral metering system is characterized in that: described valve body (5) upper end is provided with the installation that is used for tank body (15) bottom and sends out orchid (19) flange connecting (16).
10. tank container list according to claim 9 storehouse numeral metering system is characterized in that: the outage (59) that has cross connection first hole (53) on the wall of described valve body (5); Described second counterbore (52) end is provided with the gland (8) that connects by screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202583774U CN201716063U (en) | 2010-07-13 | 2010-07-13 | Tank container single-bin digital metering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202583774U CN201716063U (en) | 2010-07-13 | 2010-07-13 | Tank container single-bin digital metering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716063U true CN201716063U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202583774U Expired - Fee Related CN201716063U (en) | 2010-07-13 | 2010-07-13 | Tank container single-bin digital metering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001794A (en) * | 2020-12-29 | 2022-02-01 | 广州机觉云物联科技有限公司 | Storage container stock measuring device, control and measuring method, device and medium |
-
2010
- 2010-07-13 CN CN2010202583774U patent/CN201716063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001794A (en) * | 2020-12-29 | 2022-02-01 | 广州机觉云物联科技有限公司 | Storage container stock measuring device, control and measuring method, device and medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20160713 |