CN202420620U

CN202420620U - Intelligent level gage of horizontal liquid storage tank

Info

Publication number: CN202420620U
Application number: CN2011205236493U
Authority: CN
Inventors: 吴新文; 胡在强; 王松; 李庆云
Original assignee: Shandong Xindatong Petroleum Environmental Protection Science and Technology Co
Current assignee: Shandong Shengli Tonghai Group Dongying Tianlan Energy Saving Science & Technology Co., Ltd.
Priority date: 2011-12-15
Filing date: 2011-12-15
Publication date: 2012-09-05
Anticipated expiration: 2021-12-15

Abstract

An intelligent level gage of a horizontal liquid storage tank includes a side-mounted mechanical floating ball, a magnetic indicator, a liquid level sensor and an intelligent transmitter, and is characterized in that a liquid level housing adopts an arc-shaped structure and is arranged on a tank body surface; a sensor chip circuit formed by a reed switch or a Hall integrated circuit is arranged in the housing; a graduated dial is arranged on the upper surface of the housing; the side-mounted mechanical floating ball is connected with the rotating shaft of the magnetic indicator through a connecting rod; the rotating shaft of the magnetic indicator extends out of the tank body to be connected with the magnetic indicator through a sealing structure; the magnetic indicator is pressed against the graduation of the dial; and the sensor chip circuit of the liquid level sensor is connected with the input interface of the intelligent transmitter through a connecting piece. The intelligent level gage is not influenced by the medium density and water containing in the tank body, and is highly accurate; moreover, the instrument is convenient to maintain, and requires no pressure relief and stop production.

Description

Horizontal fluid storage tanks intelligent liquid level meter

Technical field

The utility model relates to the device that a kind of horizontal tank detects the indication liquid level, specifically a kind of horizontal fluid storage tanks intelligent liquid level meter.

Background technology

Field produces needs a lot of horizontal fluid storage tanks equipment, like former oil separator, the multi-functional storage tank of oil well etc.In process of production, extremely important for the level monitoring of horizontal fluid storage tanks equipment.The liquid level gauge kind of using now is a lot, but in use all has some problems, as: differential pressure levelmeter is because the variation of oil density and water percentage causes accuracy very poor; Ultrasonic level gage, radar level gauge etc. are because also there is the problem than the mistake even the signal that makes a mistake in problems such as foam, crude oil skinning; Simultaneously, these equipment are after carrying out skid, and the distance of reaching the spot is far away; Instrument generally can not directly be installed, and needs behind the scene, can to install, but generally like this need carry out pressure testing again to tank body; After instrument breaks down; Need stop to produce, lay down pressure or even whole storer cleared up after could the dismounting instrument, therefore, these instrument receive a lot of restrictions in application.Horizontal fluid storage tanks one general configuration side loader tool formula floating ball lever meter, this liquid level is counted physical construction, receives above-mentioned factor affecting very little; Indicate dial plate on the spot but have only, can't liquid level signal be carried out teletransmission, the staff can only get at the scene and refer to that according to pointer the scale on dial plate carries out reading of data; Dial scale is bigger at interval; It is very big to read error, and artificial timing is read, and real-time is poor.

Summary of the invention

The novel purpose of this reality provides a kind of horizontal fluid storage tanks intelligent liquid level meter, overcomes the defective that above-mentioned prior art exists.

The technical scheme of the utility model realizes in the following manner:

The utility model comprises side loader tool formula ball float, magnetic pointer, liquid level sensor and intelligent transducer; It is characterized in that the liquid level sensor housing is made as arc-shaped structure; Be located at tank surface; In housing, be provided with the sensing chip circuit that tongue tube or Hall integrated circuit are formed, be provided with the dial plate of band scale at the upper surface of housing; Side loader tool ball float is connected with the rotating shaft of magnetic pointer through connecting rod, and the rotating shaft of magnetic pointer is vertically stretched out tank body through hermetically-sealed construction and is connected with the magnetic pointer, on the scale of magnetic pointer finger pressure dial plate; The sensing chip circuit of liquid level sensor is connected with the intelligent transducer input interface through web member.

Intelligent transducer comprises the low-power consumption microprocessor, handles along corresponding toggle switch circuit, the crystal oscillating circuit that links of interface, the chip power that resets, external power source and sun power circuit that electric power management circuit comprises to link with electric power management circuit with low-power consumption; Comprise the Zigbee, GPRS wireless communication module, DLL and the reserved opening that connect the corresponding analog switch MC14052B serial ports that links, link with analog switch MC14052B serial ports with the low-power consumption microprocessor; Comprise the transmission line that the corresponding SPI memory module that links with the low-power consumption MPI, clock chip circuit, RS485 module and RS485 link; Comprise corresponding analog form sensor acquisition module that links with the low-power consumption MPI and digital form sensor acquisition module.

The sensing chip circuit of liquid level sensor comprises analog form sensing circuit and digital form sensing circuit, and the analog form sensing circuit is made up of tongue tube or Hall integrated circuit and 0.1 grade of resistance, and acquired signal is a current signal; The digital form sensing circuit is made up of tongue tube or Hall integrated circuit and 0.5 grade of resistance, and acquired signal is a digital signal.

The housing of liquid level sensor is made as magnetic conduction casing, comprises circular arc female cap and circular arc body, and the circular arc female cap is fixed through fixed screw and circular arc body, and an end is dead by the circular arc cap seal, and the other end is made as sense line plate mounting hole; The two sides of circular arc body and bottom surface angle are 90o; The circle that on circular arc body two sides, is arranged with the band screw hole is decided plate, and fixed head is vertically vertical with circular arc body two sides.

The advantage of the utility model:

1, need not transform, utilize the original mechanical floating ball lever meter tank interior or tank body itself;

2, adopt circular shape sensing arrangement and tank interior ball float to form interlock, reduced conduction eror;

3, novel instrument is easy for installation, to the not influence of tank body original structure, not pressure testing again;

4, the long-distance transport after the suitable tank body instrument skid;

5, do not receive Media density, the moisture influence in the tank body, accuracy is high;

6, instrument is easy to maintenance, must pressure release, stopping production.

Description of drawings

Fig. 1 is the horizontal fluid storage tanks intelligent liquid level of a utility model meter structural representation;

Fig. 2 is the sensor housing structural representation;

Fig. 3 is an analog form sensing circuit schematic diagram

Fig. 4 digital form sensing circuit schematic diagram;

Fig. 5 intelligent transducer circuit commercial weight block scheme.

The connecting rod 6-side loader tool formula ball float 7-fixed orifice 8-magnetic pointer head 9-web member 10-sensing chip circuit board mounting hole 11-analog form sensor acquisition point 12-digital form sensor acquisition point 13-Sensor Analog Relay System mode acquisition module 14-sensor digital form acquisition module of 1-liquid pull sensor housing 2-sensing chip circuit 3-intelligent transducer 4-magnetic pointer 5-ball float and pointer among the figure.

Embodiment

For further disclosing the technical scheme of the utility model, elaborate through embodiment below in conjunction with Figure of description:

The utility model comprises side loader tool formula ball float 6, magnetic pointer 4, liquid level sensor and intelligent transducer 3; It is characterized in that liquid level sensor housing 1 is made as arc-shaped structure; Be located at tank surface; In housing, be provided with the sensing chip circuit 2 that tongue tube or Hall integrated circuit are formed, be provided with the dial plate of band scale at the upper surface of housing; Side loader tool ball float is connected with the rotating shaft of magnetic pointer 4 through connecting rod 5, and the rotating shaft of magnetic pointer is vertically stretched out tank body through hermetically-sealed construction and is connected with magnetic pointer 4, on the scale of magnetic pointer finger pressure dial plate; The sensing chip circuit of liquid level sensor is connected with the intelligent transducer input interface through web member 9.

As shown in Figure 5; Intelligent transducer comprises the low-power consumption microprocessor, handles along corresponding toggle switch circuit, the crystal oscillating circuit that links of interface, the chip power that resets, external power source and sun power circuit that electric power management circuit comprises to link with electric power management circuit with low-power consumption; Comprise the Zigbee, GPRS wireless communication module, DLL and the reserved opening that connect the corresponding analog switch MC14052B serial ports that links, link with analog switch MC14052B serial ports with the low-power consumption microprocessor; Comprise the transmission line that the corresponding SPI memory module that links with the low-power consumption MPI, clock chip circuit, RS485 module and RS485 link; Comprise corresponding analog form sensor acquisition module that links 13 with the low-power consumption MPI and digital form sensor acquisition module.

The utility model comprises side loader tool formula ball float, magnetic pointer, liquid level sensor and intelligent transducer; It is characterized in that the liquid level sensor housing is made as arc-shaped structure; Be located at tank surface; In housing, be provided with the sensing chip circuit that tongue tube or Hall integrated circuit are formed, be provided with the dial plate of band scale at the upper surface of housing; Side loader tool ball float is connected with the rotating shaft of magnetic pointer through connecting rod, and the rotating shaft of magnetic pointer is vertically stretched out tank body through hermetically-sealed construction and is connected with the magnetic pointer, on the scale of magnetic pointer watch dial; The sensing chip circuit of liquid level sensor connects input interface with intelligent transducer.

Intelligent transducer comprises the low-power consumption microprocessor, handles along the corresponding toggle switch circuit that links of interface, crystal oscillator electricity we, the chip circuit that resets, external power source and sun power circuit that electric power management circuit comprises to link with electric power management circuit with low-power consumption; Comprise the wireless Zigbee, GPRS wireless communication module, DLL and the reserved opening that connect the corresponding analog switch MC14052B serial ports that links, link with analog switch MC14052B serial ports with the low-power consumption microprocessor; Comprise the transmission line that SPI memory module, clock chip circuit, RS485 module and the RS485 corresponding with the low-power consumption MPI link; Comprise corresponding analog form sensor acquisition module that links with the low-power consumption MPI and digital form sensor acquisition module.

As shown in Figure 1,1 sensor outer housing adopts the aluminum alloy materials that does not hinder magnetic to process, protection sensor line plate 2; Sensor line plate 2 adopts that schematic diagram is made among Fig. 3, and when in the tank body during liquid level change, ball float 6 drives pointers 4 and rotates; The magnetic field inductive coupling takes place in the Magnetic Induction element in 8 magnetic pointer heads and the sensor line plate 2; Sensor line plate 2 converts field signal into electric signal and passes to intelligent transducer 3, and intelligent transducer 3 shows liquid level data after electric signal is handled; And be standard signal or through the wireless network teletransmission, thereby the liquid level data collection and the transmission of horizontal fluid storage tanks have been realized with data-switching.

10 is sense line plate installing port among Fig. 2, and inside is the circular arc type hollow structure.

Fig. 3 is Fundamentals of Sensors figure, and adopting magnetic induction part tongue tube or Hall integrated circuit is the core sensing chip.Sensing principle can adopt dual mode, and first is the analog form sensing circuit, uses tongue tube and precision resistance to constitute, and signal is a current signal; Second kind of sensing principle adopts conventional, electric-resistance and tongue tube to constitute, and the signal of collection is the switching value signal.Analog form sensor acquisition point 11 is connected to the Sensor Analog Relay System mode acquisition module 13 among Fig. 5 through two leads among Fig. 3, and the digital form sensor acquisition point 12 among Fig. 3 is connected to the transmitter digital form acquisition module 14 among Fig. 5 through winding displacement.

When variation was sent in magnetic pointer 4 positions among Fig. 1, the magnetic field penetration magnetic conduction sensor housing of magnetic pointer made the tongue tube adhesive among Fig. 3,4, circuit turn-on, and the position of adhesive tongue tube is the position of pointed, and is corresponding with jar interior liquid level.

Fig. 4 is the intelligent transducer structured flowchart, and intelligent transducer can use directly two kinds of power supply modes of power supply of solar panels power supply and power supply, and the solar panels power supply mode is used in remote districts or the power supply inconvenient area.The analog form sensor acquisition module 13 and the digital form sensor acquisition module 14 of intelligent transducer are the sensor signal access port; The low-power consumption microprocessor of intelligent transducer is regularly gathered sensor signal; And signal is passed through SPI store, through display module data in real time is shown.When host computer needed data, intelligent transducer can carry out data upload through Zigbee, GPRS, three kinds of modes of RS485.For cutting down the consumption of energy, intelligent transducer is through power management module control electricity consumption, and when microprocessor was in idle condition, intelligent transducer changed the low-power consumption running over to, and cut off line related.When receiving signal that need to gather or timing when arriving, wake microprocessor and each module for power supply work of giving up.

Claims

1. horizontal fluid storage tanks intelligent liquid level meter; Comprise side loader tool formula ball float, magnetic pointer, liquid level sensor and intelligent transducer; It is characterized in that the liquid level sensor housing is made as arc-shaped structure; Be located at tank surface, in housing, be provided with the sensing chip circuit that tongue tube or Hall integrated circuit are formed, be provided with the dial plate of band scale at the upper surface of housing; Side loader tool ball float is connected with the rotating shaft of magnetic pointer through connecting rod, and the rotating shaft of magnetic pointer is vertically stretched out tank body through hermetically-sealed construction and is connected with the magnetic pointer, on the scale of magnetic pointer finger pressure dial plate; The sensing chip circuit of liquid level sensor is connected with the intelligent transducer input interface through web member.

2. horizontal fluid storage tanks intelligent liquid level meter according to claim 1; It is characterized in that intelligent transducer comprises the low-power consumption microprocessor, handle along corresponding toggle switch circuit, the crystal oscillating circuit that links of interface, the chip power that resets, external power source and sun power circuit that electric power management circuit comprises to link with electric power management circuit with low-power consumption; Comprise the Zigbee, GPRS wireless communication module, DLL and the reserved opening that connect the corresponding analog switch MC14052B serial ports that links, link with analog switch MC14052B serial ports with the low-power consumption microprocessor; Comprise the transmission line that the corresponding SPI memory module that links with the low-power consumption MPI, clock chip circuit, RS485 module and RS485 link; Comprise corresponding analog form sensor acquisition module that links with the low-power consumption MPI and digital form sensor acquisition module.

3. horizontal fluid storage tanks intelligent liquid level meter according to claim 1; The sensing chip circuit that it is characterized in that liquid level sensor comprises analog form sensing circuit and digital form sensing circuit; The analog form sensing circuit is made up of tongue tube or Hall integrated circuit and 0.1 grade of resistance, and acquired signal is a current signal; The digital form sensing circuit is made up of tongue tube or Hall integrated circuit and 0.5 grade of resistance, and acquired signal is a digital signal.

4. horizontal fluid storage tanks intelligent liquid level meter according to claim 1; The housing that it is characterized in that liquid level sensor is made as magnetic conduction casing; Comprise circular arc female cap and circular arc body; The circular arc female cap is fixed through fixed screw and circular arc body, and an end is dead by the circular arc cap seal, and the other end is made as sense line plate mounting hole; The two sides of circular arc body and bottom surface angle are 90o; The circle that on circular arc body two sides, is arranged with the band screw hole is decided plate, and fixed head is vertically vertical with circular arc body two sides.