CN204489137U - A kind of inland navigation craft load measuring device - Google Patents
A kind of inland navigation craft load measuring device Download PDFInfo
- Publication number
- CN204489137U CN204489137U CN201420789996.4U CN201420789996U CN204489137U CN 204489137 U CN204489137 U CN 204489137U CN 201420789996 U CN201420789996 U CN 201420789996U CN 204489137 U CN204489137 U CN 204489137U
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- pressure
- load
- transfer device
- carrying transfer
- pressure measurement
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Abstract
The utility model relates to a kind of inland navigation craft load measuring device, comprises device for pressure measurement and load-carrying transfer device; Device for pressure measurement is made up of shell, pressure sensor, temperature sensor, A and D converter, waterproof data line, and shell is tubular cavity body, and pressure sensor adopts throw-in type pressure probe; Load-carrying transfer device is by singlechip chip, pin-saving chip, read-out; By structure and the mounting arrangement setting of device for pressure measurement, obtain and shipping draft corresponding pressure signal, for host computer provides data, result of a measurement is objective, accurate, survey two errors minimum, and not by the impact of wave factor in harbour, obtain accurate drinking water value, and then realize deadweight of vessel and automatically measure, automatically draw deadweight of vessel, take off data can be used for remote transmission, easy to use, water temperature change does not affect survey precision, and boats and ships are when navigating by water, also can measure, using value is high.
Description
Technical field
The utility model relates to marine equipment measuring equipment field, particularly a kind of inland navigation craft load measuring device.
Background technology
Load-carrying measurement problem in the ships that transport cargo handing process of current navigation channel is a great problem of puzzlement both parties always, present stage, the metering method of inland navigation craft load carrying ability generally adopted manual observation drauht, look into " water gauge and load carrying ability synopsis " by the classification of drinking water value again and determine load carrying ability, the accuracy of the method metering depends primarily on the precision to water gauge reading on hull, this method is often with subjectivity, range estimation error is large, and be subject to the impact of the factor such as wave in harbour, what obtain is not accurate drinking water value.
Along with the development of automatic technology, the method of measurement of existing manual observation drauht can be changed completely by sensor and automatic control technology means, and not yet have at present bibliographical information this type of, also have no practical application, how to address this problem the problem just becoming those skilled in the art and will study and solve.
Summary of the invention
The purpose of this utility model is exactly for overcoming the deficiencies in the prior art, a kind of inland navigation craft load measuring device is provided, by structure and the mounting arrangement setting of device for pressure measurement, obtain and shipping draft corresponding pressure signal, for host computer provides data, realize inland navigation craft load carrying ability and automatically measure.Result of a measurement is objective, accurate, surveys two errors minimum, and not by the impact of wave factor in harbour, obtains accurate drinking water value.
The utility model is realized by such technical scheme: it is characterized in that, comprise device for pressure measurement and load-carrying transfer device; Described device for pressure measurement is made up of shell, pressure sensor, temperature sensor, A and D converter, waterproof data line, and shell is tubular cavity body, and the both sides of tubular cavity body cover and process some inlet openings and apopore respectively;
Described pressure sensor adopts throw-in type pressure probe;
Described temperature sensor adopts Pt100 resistance to heat;
Throw-in type pressure probe and Pt100 resistance to heat probe segment are arranged in tubular cavity body, and the leading-out terminal of throw-in type pressure probe and Pt100 resistance to heat uses epoxy encapsulation respectively;
Pressure transmission module and temperature transmitting module is comprised in described A and D converter; Pressure transmission module and temperature transmitting module are fixed on enclosure by after epoxy encapsulation;
Pressure sensor is connected with pressure transmission module by lead-in wire, and pressure transmission module is connected to load-carrying transfer device by waterproof data line;
Described temperature sensor is connected with temperature transmitting module by lead-in wire, and temperature transmitting module is connected to load-carrying transfer device by waterproof data line;
Described load-carrying transfer device is made up of singlechip chip, pin-saving chip, read-out, GPS/ Big Dipper dual mode receiver, power circuit, read-out;
The 4-20mA current signal output end of pressure transmission module is connected to an I/O port of micro controller system through A/D convertor circuit, micro controller system connects host computer by communication port;
The 4-20mA current signal output end of temperature transmitting module is connected to an I/O port of micro controller system through A/D convertor circuit, micro controller system connects host computer by communication port;
Inland navigation craft load measuring device, comprises 6 device for pressure measurement, and 6 device for pressure measurement distributions are arranged on the installation site of side all around of boats and ships.
The advantage that the utility model has and good effect are: this device arranges acquisition and shipping draft corresponding pressure signal by the structure of device for pressure measurement and mounting arrangement, for host computer provides data, realize the automatic measurement of inland navigation craft load carrying ability, and increase substantially the ship load accuracy value that corresponding traditional visual method draws.1. automatically can draw deadweight of vessel, take off data can be used for remote transmission, easy to use; 2. possess and prevent from water temperature from changing affecting function to survey precision, survey precision is high; 3. boats and ships are when navigating by water, and also can measure, using value is high.
Accompanying drawing explanation
Fig. 1, be shipping draft principle of measurement schematic diagram;
Fig. 2, be device for pressure measurement pie graph;
Fig. 3, be device for pressure measurement installation site figure;
Fig. 4, be load-carrying transfer device circuit block diagram;
In figure: 1. shell, 2. pressure sensor, 3. temperature sensor, 4. A and D converter, 5. waterproof data line, 6. load-carrying transfer device, 7. deck, 8. floating line, 9.GPS/ Big Dipper dual-mode antenna, the 10. water surface.11. device for pressure measurement installation sites.
101. inlet openings, 102. apopores 102; 401. pressure transmission modules, 402 temperature transmitting modules.
Detailed description of the invention
Understand the utility model in order to clearer, describe the utility model in detail in conjunction with the accompanying drawings and embodiments:
As shown in Figures 1 to 4, based on the inland navigation craft load measuring device of pressure measurement technology, comprise device for pressure measurement and load-carrying transfer device;
Described device for pressure measurement is made up of shell 1, pressure sensor 2, temperature sensor 3, A and D converter 4, waterproof data line 5, and shell 1 is tubular cavity body, and the both sides of tubular cavity body cover and process some inlet openings 101 and apopore 102 respectively;
Described pressure sensor 2 adopts throw-in type pressure probe;
Described temperature sensor 3 adopts Pt100 resistance to heat;
Throw-in type pressure probe and Pt100 resistance to heat probe segment are arranged in tubular cavity body, and the leading-out terminal of throw-in type pressure probe and Pt100 resistance to heat uses epoxy encapsulation respectively;
Pressure transmission module 401 and temperature transmitting module 402 is comprised in described A and D converter 4; Pressure transmission module 401 and temperature transmitting module 402 are fixed on shell 1 after epoxy encapsulation inner;
Pressure sensor 2 is connected with pressure transmission module 401 by lead-in wire, and convert pressure signal to 4-20mA current signal by pressure transmission module 401,4-20mA current signal is sent to load-carrying transfer device by waterproof data line 5;
Described temperature sensor 3 is connected with temperature transmitting module 402 by lead-in wire, and temperature transmitting module 402 converts pressure signal to 4-20mA current signal, and 4-20mA current signal is sent to load-carrying transfer device by waterproof data line 5;
Described load-carrying transfer device is made up of singlechip chip, pin-saving chip, read-out, GPS/ Big Dipper dual mode receiver, power circuit, read-out;
The 4-20mA current signal that pressure transmission module 401 exports is converted to digital signal through A/D convertor circuit, digital signal after conversion is sent to an I/O port of micro controller system, through SCM program computing, draw pressure data, pass to host computer by communication port and store and display;
The 4-20mA current signal that temperature transmitting module 402 exports is converted to digital signal through A/D convertor circuit, digital signal after conversion is sent to an I/O port of micro controller system, through SCM program computing, draw temperature data, pass to host computer by communication port and store and display;
The external GPS of described load-carrying transfer device and big-dipper satellite dual-mode antenna, can measure shipping sail speed in real time by GPS/ Big Dipper dual mode receiver;
Host computer software synthesis pressure data, temperature data, route speed data, Weight Check by Draft data are carried out computing and are finally drawn ship load data.
Principle of device: ship load is more, then drauht is darker, and the hydraulic pressure that the device for pressure measurement being so fixed on hull bears is larger.
As shown in Figure 1, device for pressure measurement is fixed near drauht line, according to the relation of pressure and the depth of water, can measure boats and ships water depth value D herein by pressure sensor:
The depth of water and pressure relation formula: D=P/ (r × g)
D: the depth of water (rice);
P: pressure (handkerchief);
R: river density;
G: acceleration due to gravity.
This value adds floating line scale value H herein, just can draw the draft S of boats and ships, i.e. S=D+H.By other pertinent data of " ship load and the water gauge synopsis " and boats and ships of analyzing every bar boats and ships, the corresponding data of shipping draft and load carrying ability is stored into the memory cell of load-carrying transfer device inside, when measurement mechanism is by after showing that the draft of boats and ships exports to load-carrying transfer device, after the automatic comparative analysis of software program by the inner micro controller system of load-carrying transfer device, the load carrying ability of boats and ships is shown by display screen, for user.
Although be described preferred embodiment of the present utility model by reference to the accompanying drawings above; but the utility model is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, can also make a lot of form, these all belong within protection domain of the present utility model.
Claims (2)
1. an inland navigation craft load measuring device, is characterized in that, comprises device for pressure measurement and load-carrying transfer device;
Described device for pressure measurement is made up of shell (1), pressure sensor (2), temperature sensor (3), A and D converter (4), waterproof data line (5), shell (1) is tubular cavity body, and the both sides of tubular cavity body cover and process some inlet openings (101) and apopore (102) respectively;
Described pressure sensor (2) adopts throw-in type pressure probe;
Described temperature sensor (3) adopts Pt100 resistance to heat;
Throw-in type pressure probe and Pt100 resistance to heat probe segment are arranged in tubular cavity body, and the leading-out terminal of throw-in type pressure probe and Pt100 resistance to heat uses epoxy encapsulation respectively;
Pressure transmission module (401) and temperature transmitting module (402) is comprised in described A and D converter (4); Pressure transmission module (401) and temperature transmitting module (402) are fixed on shell (1) after epoxy encapsulation inner;
Pressure sensor (2) is connected with pressure transmission module (401) by lead-in wire, and pressure transmission module (401) is connected to load-carrying transfer device by waterproof data line (5);
Described temperature sensor (3) is connected with temperature transmitting module (402) by lead-in wire, and temperature transmitting module (402) is connected to load-carrying transfer device by waterproof data line (5);
Described load-carrying transfer device is made up of singlechip chip, pin-saving chip, read-out, GPS/ Big Dipper dual mode receiver, power circuit, read-out;
The 4-20mA current signal output end of pressure transmission module (401) is connected to an I/O port of micro controller system through A/D convertor circuit, micro controller system connects host computer by communication port;
The 4-20mA current signal output end of temperature transmitting module (402) is connected to an I/O port of micro controller system through A/D convertor circuit, micro controller system connects host computer by communication port.
2. a kind of inland navigation craft load measuring device as claimed in claim 1, comprises 6 device for pressure measurement, and 6 device for pressure measurement distributions are arranged on the installation site of side all around of boats and ships.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420789996.4U CN204489137U (en) | 2014-12-15 | 2014-12-15 | A kind of inland navigation craft load measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420789996.4U CN204489137U (en) | 2014-12-15 | 2014-12-15 | A kind of inland navigation craft load measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204489137U true CN204489137U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420789996.4U Withdrawn - After Issue CN204489137U (en) | 2014-12-15 | 2014-12-15 | A kind of inland navigation craft load measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204489137U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145104A (en) * | 2017-05-17 | 2017-09-08 | 中国计量大学 | Inland navigation craft load-carrying measuring system and its measuring method |
| CN107560698A (en) * | 2017-11-02 | 2018-01-09 | 南京船行天下信息科技有限公司 | A kind of inland navigation craft weighing apparatus |
| CN108674600A (en) * | 2018-05-18 | 2018-10-19 | 舟山出入境检验检疫局综合技术服务中心 | A kind of full-automatic drauht liquid level emasuring device |
| JP6948554B1 (en) * | 2021-01-28 | 2021-10-13 | 株式会社ステップ・ケイ・スリー | Draft surface detection method for ships and draft control system |
-
2014
- 2014-12-15 CN CN201420789996.4U patent/CN204489137U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107145104A (en) * | 2017-05-17 | 2017-09-08 | 中国计量大学 | Inland navigation craft load-carrying measuring system and its measuring method |
| CN107560698A (en) * | 2017-11-02 | 2018-01-09 | 南京船行天下信息科技有限公司 | A kind of inland navigation craft weighing apparatus |
| CN108674600A (en) * | 2018-05-18 | 2018-10-19 | 舟山出入境检验检疫局综合技术服务中心 | A kind of full-automatic drauht liquid level emasuring device |
| CN108674600B (en) * | 2018-05-18 | 2024-05-03 | 舟山海关综合技术服务中心 | Full-automatic ship draft liquid level measuring device |
| JP6948554B1 (en) * | 2021-01-28 | 2021-10-13 | 株式会社ステップ・ケイ・スリー | Draft surface detection method for ships and draft control system |
| JP2022115541A (en) * | 2021-01-28 | 2022-08-09 | 株式会社ステップ・ケイ・スリー | Detection method for draft surface of vessel, and draft surface control system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20161201 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |