CN201203460Y

CN201203460Y - Remote vehicle mounted metering and monitoring instrument

Info

Publication number: CN201203460Y
Application number: CNU2008201152711U
Authority: CN
Inventors: 徐晗
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-06-07
Filing date: 2008-05-09
Publication date: 2009-03-04
Anticipated expiration: 2018-05-09
Also published as: CN101067569A

Abstract

A remote vehicle measurement monitoring instrument relates to the instrument and meter field, especially to a vehicle measurement monitoring instrument and meter. The utility model realizes the real time monitoring to the liquid condition loaded by an oil tank and the geographic location during the transport process. The remote vehicle measurement monitoring instrument comprises a magnetic hysteresis expansion liquid level apparatus, a GPS module and a GSM/GPRS module. A data interface of the GPS module and a data interface of the GSM/GPRS module are respectively connected to an I/O port for monitoring a middle control CPU circuit of the magnetic hysteresis expansion liquid level apparatus, thus the functions of satellite positioning and real time remote monitoring are realized. By increasing the devices such as a temperature sensor, a density floater or the like, the measurement of the liquid temperature and density is realized. The remote vehicle measurement monitoring instrument of the utility model has functions of automatic measurement of various parameters, satellite positioning and data far-transfer and can be widely used in various oil tanks.

Description

Long-distance vehicular metering monitor

Technical field

The utility model relates to instrument field, is specifically related to the vehicular metering instrument and meter.

Background technology

At present, in the existing oil tank parameter measurement instrument, what the measurement oil tank level was commonly used is the flexible liquid level gauge of magnetic hysteresis, this kind liquid level gauge has advantages such as precision height, good stability, long service life, environmental suitability be strong, easy for installation, but this kind liquid level instrument only can be measured the liquid level in the oil tank, can not measure other parameter of liquid in the oil tank, and not have the function of data remote and satnav.At present, for the oil tank information of the various parameters of pot liquid and the remote monitoring of geographical location information in transit, be urgent problem in the existing oil tank carrier.

The utility model content

In order to realize that the utility model has designed a kind of long-distance vehicular metering monitor with teledata transmitting function to the various parameter informations of in transit the contained liquid of oil tank and the remote real time monitoring of geographical location information.

Long-distance vehicular metering monitor comprises magnetic hysteresis stretch liquid level gauge, GPS module and GSM/GPRS module, and the data-interface of the data-interface of described GPS module, GSM/GPRS module is connected with the I/O mouth of control cpu circuit in the monitoring of the flexible liquid level gauge of magnetic hysteresis respectively.

Long-distance vehicular metering monitor of the present utility model has been realized satnav, has been measured and the teledata transmitting function automatically, can with the geographical location information of parameters such as the volume of liquid in the tank wagon, temperature, density and tank wagon real-time be delivered to remote inspection center, realized real-time monitoring to long-range mobile oil tank liquid meter and running orbit.

Description of drawings

Fig. 1 is the structural representation of embodiment one described long-distance vehicular metering monitor; Fig. 2 is the structural representation of embodiment two and three described long-distance vehicular metering monitors; The synoptic diagram that Fig. 3 embodiment two and three described long-distance vehicular metering monitors are used, wherein 30 is that the oil tank, 31 that fluid to be measured is housed is that fluid to be measured, 40 is long-distance vehicular metering monitor of the present utility model; Fig. 4 is the electrical structure synoptic diagram of embodiment four described long-distance vehicular metering monitors, and Fig. 5 is the structural representation of embodiment four described long-distance vehicular metering monitors.

Embodiment

Embodiment one: present embodiment is described referring to Fig. 1.The long-distance vehicular metering monitor of present embodiment is made up of the flexible liquid level gauge 40 of magnetic hysteresis, GPS module 3 and GSM/GPRS module 2, the data-interface of the data-interface of described GPS module 3, GSM/GPRS module 2 respectively with the monitoring of the flexible liquid level gauge 1 of magnetic hysteresis in control cpu circuit 1 the I/O mouth be connected.

The flexible liquid level gauge 40 of magnetic hysteresis is existing liquid level gauges commonly used, the flexible liquid level gauge of the magnetic hysteresis of present embodiment is by control cpu circuit 1 in the monitoring, vibration exciter 4, piezo crystals 5, waveguide filament 13, waveguide 12 and liquid level float 6, liquid level float fixed mount 7 is formed, described liquid level float fixed mount 7 be fixed on liquid level float 6 below, limit the minimum level that the flexible liquid level gauge of magnetic hysteresis can be measured, the signal output part of vibration exciter 4 is connected with control cpu circuit 1 in the monitoring, two driving voltage output terminals of vibration exciter 4 and two excitation power supply ends of piezo crystals 5 are connected, one end of waveguide filament 13 is connected with the signal input part of vibration exciter 4, the other end of waveguide filament 13 is connected with the center of waveguide 12 bottoms, liquid level float 6 is enclosed within on the waveguide rod with waveguide 12 clearance fit, and liquid level float 6 can freely move up and down along waveguide 12.

The long-distance vehicular metering monitor of present embodiment, can realize satnav and data remote function, can be in the transportation of oil tank, real-time is delivered to remote monitoring center with liquid level parameter in the oil tank that measures and the residing geographical location information of oil tank, realizes the real-time monitoring to oil tank.

Embodiment two: present embodiment is described referring to Fig. 2, Fig. 3.The difference of present embodiment and embodiment one described long-distance vehicular metering monitor is, it also comprises density float 9, density float retainer plate 8 and spring 10, described density float 9 and waveguide 12 clearance fit be enclosed within liquid level float position-limited rack 7 on the waveguide 12 below, density float 9 can move along waveguide 12 easy on and off, one end of density float 9 is connected by spring 10 with the bottom of waveguide 12, be fixed with density float retainer plate 8 between the bottom of density float 9 and waveguide 12, described density float retainer plate 8 equals the length of spring 10 when not being subjected to external force with the distance of waveguide 12 bottoms.

The long-distance vehicular metering monitor of present embodiment can be in measuring liquid level, measure fluid density, process and the principle of measuring fluid density are: when the flexible liquid level instrument of this magnetic hysteresis is placed in the oil tank, because density float 9 is below the bottom line in liquid level, so density float 9 is immersed in the liquid fully, density float 9 is subjected to the buoyancy of liquid extension spring 10 that makes progress, when density float 9 is stablized motionless the time, and the buoyancy F that makes progress that density float 9 is suffered _fWith the downward tensile force f of spring 10 ₁Equate, can obtain the distance H at density float 9 and oil tank top by the principle of work of the flexible liquid level instrument of magnetic hysteresis, and then obtain the distance H of density float 9 apart from density float retainer plate 8 _m, the deformation length of spring 10 generations just, then the pulling force of 10 pairs of density float 9 of spring is: F ₁=H ₁* k ₁, k wherein ₁Be the elasticity coefficient of spring 10, the buoyancy F that density float 9 is suffered _f=ρ * V, wherein ρ is a density of liquid, V is the volume of float, by the suffered buoyancy F of density float 9 _fAnd tensile force f ₁Equate as can be known: H ₁* k ₁=ρ * V is because the elasticity coefficient k of spring 10 ₁With the volume V of density float 9 be constant, H ₁Can calculate out according to the position of the density float 9 that measures, can obtain fluid density: ρ=(K like this ₁* H ₁)/V.

The long-distance vehicular metering monitor of present embodiment, adopt the flexible principle of magnetic hysteresis to measure density of liquid, increasing under the prerequisite of cost seldom on the basis of the flexible liquid level instrument of existing magnetic hysteresis, realizing the purpose of while measuring liquid level and two kinds of parameters of density, more economical, practical.

Embodiment three: present embodiment is described referring to Fig. 2.The difference of present embodiment and embodiment one or two described long-distance vehicular metering monitors is, it also comprises temperature sensor 11, described temperature sensor 11 is fixed on the inwall of the waveguide 12 of liquid level float fixed mount below 7, and the signal end of temperature sensor 11 is connected with the I/O mouth of control cpu circuit 1 in the monitoring.

Temperature sensor 11 in the present embodiment adopts digital temperature sensor 18B20.The long-distance vehicular metering monitor of present embodiment has increased the function that measures the temperature of a liquid, and combines with embodiment two, can measure liquid level, temperature and three kinds of parameters of density of liquid simultaneously.

Embodiment four: referring to Fig. 4, Fig. 5 explanation originally is embodiment.The difference of present embodiment and the described long-distance vehicular metering monitor of embodiment one to three arbitrary embodiment is, it also comprises solar panel 22, rechargeable battery 23, charging circuit 24 and electric power management circuit 25, described solar panel 22 is fixed on the top of long-distance vehicular metering monitor, and adopt anti-riot glass to isolate between the external world, guarantee that solar panel 22 can obtain illumination, the sun power that charging circuit 24 is gathered solar panel 22 converts electric energy to and gives rechargeable battery 23 chargings, and electric power management circuit 25 converts the electric energy of rechargeable battery 23 to the operating voltage of the consumer needs of long-distance vehicular metering monitor inside.

The long-distance vehicular metering monitor of present embodiment uses sun power as power supply, saves the energy, and the oil tank that is more suitable for transporting for long-distance uses, and is more economical, practical.

Claims

1, long-distance vehicular metering monitor, it is characterized in that it comprises magnetic hysteresis stretch liquid level gauge (40), GPS module (3) and GSM/GPRS module (2), the data-interface of the data-interface of described GPS module (3), GSM/GPRS module (2) respectively with the monitoring of the flexible liquid level gauge (40) of magnetic hysteresis in control cpu circuit (1) the I/O mouth be connected.

2, long-distance vehicular metering monitor according to claim 1, it is characterized in that it also comprises density float (9), density float retainer plate (8) and spring (10), described density float (9) and waveguide (12) clearance fit be enclosed within liquid level float fixed mount (7) on the waveguide (12) below, density float (9) can move along waveguide (12) easy on and off, one end of density float (9) is connected by spring (10) with the bottom of waveguide (12), be fixed with density float retainer plate (8) between the bottom of density float (9) and waveguide (12), described density float retainer plate (8) equals the length of spring (10) when not being subjected to external force with the distance of waveguide (12) bottom.

3, long-distance vehicular metering monitor according to claim 1, it is characterized in that it also comprises temperature sensor (11), described temperature sensor (11) is fixed on the inwall of the following waveguide (12) of liquid level float fixed mount (7), the signal end of temperature sensor (11) with monitor in control cpu circuit (1) the I/O mouth be connected.

4, according to the described long-distance vehicular metering monitor of the arbitrary claim of claim 1 to 3, it is characterized in that it also comprises solar panel (22), rechargeable battery (23), charging circuit (24) and electric power management circuit (25), described solar panel (22) is fixed on the top of long-distance vehicular metering monitor, and adopt anti-riot glass to isolate between the external world, guarantee that solar panel (22) can obtain illumination, the sun power that charging circuit (24) is gathered solar panel (22) converts electric energy to and gives rechargeable battery (23) charging, and electric power management circuit (25) converts the electric energy of rechargeable battery (23) to the operating voltage of the consumer needs of long-distance vehicular metering monitor inside.