CN209962123U - LNG loader detects and control system - Google Patents
LNG loader detects and control system Download PDFInfo
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- CN209962123U CN209962123U CN201920425458.XU CN201920425458U CN209962123U CN 209962123 U CN209962123 U CN 209962123U CN 201920425458 U CN201920425458 U CN 201920425458U CN 209962123 U CN209962123 U CN 209962123U
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Abstract
The utility model discloses a detection and control system of an LNG loader, which comprises an LNG detection system, a vehicle control unit and a combination instrument; the LNG detection system is communicated with the whole vehicle controller through a CAN bus; the vehicle control unit is communicated with the combination instrument through a CAN bus; the LNG detection system is arranged on the body of the LNG cylinder and comprises a pressure sensor, a temperature sensor and a liquid level sensor; the pressure sensor is used for detecting the pressure in the LNG cylinder, the temperature sensor is used for detecting the temperature in the LNG cylinder, and the liquid level sensor is used for detecting the LNG liquid level in the LNG cylinder; the combination meter comprises a pressure display area, a temperature display area, a liquid level display area and a fault display area. The utility model discloses carry out the communication through the CAN bus between LNG detecting system, vehicle control unit and the combination meter, real-time transmission information and instruction CAN remind operating personnel to carry out necessary operation, avoid the person and suffer the loss with property.
Description
Technical Field
The utility model relates to a LNG detects and control technical field, especially relates to a LNG loader detects and control system.
Background
At present, the electrical system of the domestic LNG loader is simple, the detection of the state parameters of the LNG cylinder is realized by installing related sensors and arranging a simple digital instrument to indicate the magnitude of the state quantities, such as liquid level, temperature, pressure, etc., and the values of these state parameters are not collected into the control instruments of the vehicle system, namely, the LNG detection system and the control of the electric instrument of the whole vehicle are two relatively independent detection control systems, the signal of the LNG detection system can not be transmitted to the combination instrument of the whole vehicle controller, the operator can not know the state information and the alarm information of the LNG cylinder in time, when the LNG gas cylinder is abnormal in state or alarm information occurs, the whole vehicle control system cannot transmit the related state information of the LNG gas cylinder to an operator in time, so that the operator can not maintain or stop the machine for treatment in time, and further certain potential safety hazard is brought to the driving of the driver.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, provide a LNG loader detects and control system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a detection and control system of an LNG loader comprises an LNG detection system, a vehicle control unit and a combination instrument;
the LNG detection system is communicated with the whole vehicle controller through a CAN bus; the vehicle control unit is communicated with the combination instrument through a CAN bus;
the LNG detection system is arranged on the body of the LNG cylinder and comprises a pressure sensor, a temperature sensor and a liquid level sensor;
the pressure sensor is used for detecting the pressure in the LNG cylinder, the temperature sensor is used for detecting the temperature in the LNG cylinder, and the liquid level sensor is used for detecting the LNG liquid level in the LNG cylinder;
the combination meter comprises a pressure display area, a temperature display area, a liquid level display area and a fault display area.
Preferably, the combination meter is arranged in a cab of the LNG loader, so that a driver can conveniently know state information and alarm information of the LNG detection system in time and perform corresponding operation when necessary.
Preferably, the pressure sensor is a PPM-T230E-N type pressure sensor, the volume is small, the installation is convenient, the use temperature is-196-150 ℃, and the application range is wide.
Preferably, the temperature sensor is a thermal resistance temperature sensor.
Preferably, the liquid level sensor is a PPM-T127J low-temperature liquid level sensor, and has the advantages of small volume, high measurement precision, high dynamic response frequency, strong corrosion resistance and long service life.
The utility model provides a LNG loader detects and control system, LNG detecting system pass through the CAN bus and carry out the communication with vehicle control unit, and vehicle control unit carries out the communication through CAN bus and combination meter again. Specifically, the LNG detection system collects a pressure signal detected by a pressure sensor, a temperature signal detected by a temperature sensor and an LNG liquid level signal detected by a liquid level sensor, judges whether a fault occurs or not to generate a fault code, and then transmits the pressure signal, the temperature signal, the liquid level signal and the fault code to the whole vehicle controller through a CAN bus; the whole vehicle controller transmits the pressure signal, the temperature signal, the liquid level signal and the fault code to the combination instrument through the CAN bus and correspondingly displays the pressure signal, the temperature signal, the liquid level signal and the fault code on a pressure display area, a temperature display area, a liquid level display area and a fault display area of the combination instrument; the operator performs necessary operation according to the information displayed on the combination instrument so as to avoid the loss of the person and property caused by accidents.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a LNG loader detects and control system, LNG detecting system, carry out the communication through the CAN bus between vehicle control unit and the combination meter, real-time transmission information and instruction, each status signal of LNG detecting system real-time detection LNG gas cylinder here, the combination meter shows LNG detecting system's status information and alarm information in real time, the form through audible-visual alarm reminds operating personnel to carry out necessary operation when necessary, whole process has realized timely transmission and the demonstration of LNG detecting system information, its personal safety who has effectively protected navigating mate and has avoided property to suffer the loss.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic block diagram of the LNG loader detection and control system of the present invention.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background, there are in the prior art: LNG detecting system is two relatively independent detection control system with whole car electric instrument control, LNG detecting system's signal can not transmit for in the combination meter of whole car controller, operating personnel can't in time know the state information and the alarm information of LNG gas cylinder, when the state is unusual or alarm information appears in the LNG gas cylinder, whole car control system can not in time transmit LNG's relevant state information for operating personnel, so that operating personnel can not in time maintain or shut down the processing, and then bring certain potential safety hazard for driver's driving, in order to solve above technical problem, this application provides a LNG loader detection and control system.
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, an LNG loader detection and control system includes an LNG detection system, a vehicle controller, and a combination meter;
the LNG detection system is communicated with the whole vehicle controller through a CAN bus; the vehicle control unit is communicated with the combination instrument through a CAN bus;
the LNG detection system is arranged on the body of the LNG cylinder and comprises a pressure sensor, a temperature sensor and a liquid level sensor;
the pressure sensor is used for detecting the pressure in the LNG cylinder, the temperature sensor is used for detecting the temperature in the LNG cylinder, and the liquid level sensor is used for detecting the LNG liquid level in the LNG cylinder;
the combination meter comprises a pressure display area, a temperature display area, a liquid level display area and a fault display area.
Preferably, the combination meter is arranged in a cab of the LNG loader, so that a driver can conveniently know state information and alarm information of the LNG detection system in time and perform corresponding operation when necessary.
Preferably, the pressure sensor is a PPM-T230E-N type pressure sensor, the volume is small, the installation is convenient, the use temperature is-196-150 ℃, and the application range is wide.
Preferably, the temperature sensor is a thermal resistance temperature sensor.
Preferably, the liquid level sensor is a PPM-T127J low-temperature liquid level sensor, and has the advantages of small volume, high measurement precision, high dynamic response frequency, strong corrosion resistance and long service life.
The utility model provides a LNG loader detects and control system, LNG detecting system pass through the CAN bus and carry out the communication with vehicle control unit, and vehicle control unit carries out the communication through CAN bus and combination meter again. Specifically, the LNG detection system collects a pressure signal detected by a pressure sensor, a temperature signal detected by a temperature sensor and an LNG liquid level signal detected by a liquid level sensor, judges whether a fault occurs or not to generate a fault code, and then transmits the pressure signal, the temperature signal, the liquid level signal and the fault code to the whole vehicle controller through a CAN bus; the whole vehicle controller transmits the pressure signal, the temperature signal, the liquid level signal and the fault code to the combination instrument through the CAN bus and correspondingly displays the pressure signal, the temperature signal, the liquid level signal and the fault code on a pressure display area, a temperature display area, a liquid level display area and a fault display area of the combination instrument; the operator performs necessary operation according to the information displayed on the combination instrument so as to avoid the loss of the person and property caused by accidents.
The utility model provides a LNG loader detects and control system, LNG detecting system, carry out the communication through the CAN bus between vehicle control unit and the combination meter, real-time transmission information and instruction, each status signal of LNG detecting system real-time detection LNG gas cylinder here, the combination meter shows LNG detecting system's status information and alarm information in real time, the form through audible-visual alarm reminds operating personnel to carry out necessary operation when necessary, whole process has realized timely transmission and the demonstration of LNG detecting system information, its personal safety who has effectively protected navigating mate and has avoided property to suffer the loss.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (5)
1. The LNG loader detection and control system is characterized by comprising an LNG detection system, a vehicle control unit and a combination meter;
the LNG detection system is communicated with the whole vehicle controller through a CAN bus; the vehicle control unit is communicated with the combination instrument through a CAN bus;
the LNG detection system is arranged on the body of the LNG cylinder and comprises a pressure sensor, a temperature sensor and a liquid level sensor;
the pressure sensor is used for detecting the pressure in the LNG cylinder, the temperature sensor is used for detecting the temperature in the LNG cylinder, and the liquid level sensor is used for detecting the LNG liquid level in the LNG cylinder;
the combination meter comprises a pressure display area, a temperature display area, a liquid level display area and a fault display area.
2. The LNG loader detection and control system of claim 1, wherein the cluster is disposed within a cab of the LNG loader.
3. The LNG loader detection and control system of claim 1, wherein the pressure sensor is selected to be a PPM-T230E-N type pressure sensor.
4. The LNG loader detection and control system of claim 1, wherein the temperature sensor is a thermal resistance temperature sensor.
5. The LNG loader detection and control system of claim 1, wherein the level sensor is a PPM-T127J cryogenic level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920425458.XU CN209962123U (en) | 2019-03-29 | 2019-03-29 | LNG loader detects and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920425458.XU CN209962123U (en) | 2019-03-29 | 2019-03-29 | LNG loader detects and control system |
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| CN209962123U true CN209962123U (en) | 2020-01-17 |
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| CN201920425458.XU Active CN209962123U (en) | 2019-03-29 | 2019-03-29 | LNG loader detects and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539800A (en) * | 2020-12-04 | 2021-03-23 | 东风汽车股份有限公司 | CAN bus-based multi-gas-cylinder gas liquid level metering and displaying method |
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2019
- 2019-03-29 CN CN201920425458.XU patent/CN209962123U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112539800A (en) * | 2020-12-04 | 2021-03-23 | 东风汽车股份有限公司 | CAN bus-based multi-gas-cylinder gas liquid level metering and displaying method |
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |