CN105973340A - Electrical heat tracing liquid-level meter with CAN bus remote monitoring function - Google Patents
Electrical heat tracing liquid-level meter with CAN bus remote monitoring function Download PDFInfo
- Publication number
- CN105973340A CN105973340A CN201610526149.2A CN201610526149A CN105973340A CN 105973340 A CN105973340 A CN 105973340A CN 201610526149 A CN201610526149 A CN 201610526149A CN 105973340 A CN105973340 A CN 105973340A
- Authority
- CN
- China
- Prior art keywords
- module
- remote monitoring
- monitoring function
- electric
- ribbon heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to an electrical heat tracing liquid-level meter with a CAN bus remote monitoring function. The electrical heat tracing liquid-level meter is characterized by comprising a seal flange, an electric controlling device, a connecting flange, a measurement barrel, an electric heating strap, a heat preservation layer and a protective shell; the electric controlling device comprises an MCU module, a power supply module, a measurement sensor, a temperature sensor, a CAN module, a sound-light warning module and an electric heating strap control module; the MCU module is connected with the measurement sensor, the temperature sensor, the electric heating strap control module, a sound-light alerter and the CAN module respectively, the electric heating strap control module is connected with the electric heating strap, and the CAN module is connected with a remote monitoring center through a CAN bus to achieve the remote monitoring function. The electrical heat tracing liquid-level meter is provided with the electric controlling device which can control the electric heating strap to work in real time according to the on-site temperature, normal work of the liquid-level meter is guaranteed, liquid-level information and alarming information are sent to the remote monitoring center through the CAN bus, remote monitoring personnel can conduct remote monitoring, and the control mode is more flexible and convenient.
Description
Technical field
The invention belongs to liquidometer technical field, a kind of electricity with CAN remote monitoring function
Heat tracing liquidometer.
Background technology
At present, in oil, chemical industry and other industrial processes, measured medium needs certain temperature
Ensureing, the particularly outdoor temperature at north of china in winter is the lowest, have to carry out liquidometer during outdoor work
The normal work of insulation guarantee liquidometer.Existing heat insulating ability liquidometer generally has steam type shell type and adopts
Use hotwater tracing's formula, in order to realize above-mentioned working method, the facility such as boiler and pipeline must be installed so that produce
Cost is greatly increased；Additionally, existing liquidometer does not the most have remote monitoring function, it is impossible to understand in real time
The level condition of field apparatus, it is difficult to ensure the safe and reliable operation produced.
Summary of the invention
It is an object of the invention to overcome the deficiency of existing design, it is provided that a kind of reasonable in design, safe and reliable and
The electric heat tracing liquid level indicator with CAN remote monitoring function of low production cost.
The present invention solves it and technical problem is that and take techniques below scheme to realize:
A kind of electric heat tracing liquid level indicator with CAN remote monitoring function, including sealing flange, automatically controlled
Device, adpting flange, measuring cylinder, ribbon heater, heat-insulation layer and guard shield, described sealing flange is installed
In the bottom of guard shield, described measuring cylinder, ribbon heater, heat-insulation layer are sequentially arranged at protection from the inside to the outside
In shell, described adpting flange and electric control gear are arranged on guard shield；Described electric control gear includes MCU
Module, power module, measurement sensor, temperature sensor, CAN module, sound and light alarm module and electricity
Torrid zone control module；Described power module input connects MCU module, temperature sensor, CAN module
With audible-visual annunciator be above-mentioned module for power supply, MCU module passes with the measurement being arranged in measuring cylinder respectively
Sensor, the temperature sensor being arranged in guard shield, ribbon heater control module, audible-visual annunciator and CAN
Module is connected, and this ribbon heater control module is connected with ribbon heater, and this CAN module passes through CAN
It is connected with remote monitoring center and realizes remote monitoring function.
Described MCU module and power module are also connected with memorizer for storing the operational data of liquidometer.
Described guard shield is protection aluminum skin.
Described ribbon heater uses self-temperature-limiting heating strip.
Advantages of the present invention and good effect be:
1, the present invention uses ribbon heater to heat liquidometer environment, it is ensured that liquidometer is in temperature constant state,
Ensure that the normal work of liquidometer, it is stable and reliable for performance, reduces production cost.
2, the present invention is provided with electric control gear, it is possible to control ribbon heater work in real time according to scene temperature, it is ensured that
The normal work of liquidometer, and send liquid level information and warning message by CAN to remote monitoring center,
Remote monitoring personnel can remotely monitor, and control mode is the most flexible.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the electric control gear circuit block diagram of the present invention；
Fig. 3 is the application system connection diagram of the present invention；
In figure, 1-sealing flange, 2-electric control gear, 3-adpting flange, 4-measuring cylinder, 5-ribbon heater, 6-
Heat-insulation layer, 7-guard shield.
Detailed description of the invention
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
A kind of electric heat tracing liquid level indicator with CAN remote monitoring function, as it is shown in figure 1, include sealing
Flange 1, electric control gear 2, adpting flange 3, measuring cylinder 4, ribbon heater 5, heat-insulation layer 6 and guard shield 7,
Described sealing flange is arranged on the bottom of guard shield, and described measuring cylinder, ribbon heater, heat-insulation layer are from the inside to the outside
Being sequentially arranged in guard shield, described adpting flange and electric control gear are arranged on guard shield, and this electricity is accompanied
Hot liquidometer is arranged on use scene, and is operated under the control of electric control gear.In the present embodiment,
Described guard shield is constituted by protecting aluminum skin, and described ribbon heater can use self-temperature-limiting heating strip, it is also possible to adopts
With common ribbon heater.
As in figure 2 it is shown, described electric control gear includes MCU module, power module, measurement sensor, temperature
Sensor, memorizer, CAN module, sound and light alarm module and ribbon heater control module.Described power module is defeated
Enter end and connect lithium battery it is changed, power module outlet connect MCU module, temperature sensor,
Memorizer, CAN module, audible-visual annunciator be above-mentioned module for power supply, MCU module and the measurement in measuring cylinder
Sensor is connected and gathers liquid level information, and MCU module is connected with the temperature sensor being arranged in guard shield
Connect and gather the temperature in guard shield, and controlled the on and off switch of ribbon heater by ribbon heater control module；
MCU module is connected with memorizer, time recording liquid level information, temperature information and other field datas；MCU
Module is connected with audible-visual annunciator, when liquid level occurs abnormal by audible-visual annunciator generation sound and light alarm,
Field personnel is reminded to process in time；MCU module is also connected with CAN module, and this CAN module is passed through
CAN is connected with remote monitoring center, liquid level data, temperature data or warning MCU module gathered
Information is sent to remote monitoring center, and remote monitoring center can also send to electric control gear and control life accordingly
Order, thus realize remote monitoring function.
Fig. 3 gives a kind of application system example of the present invention, and within the system, this electric heat tracing liquid level indicator leads to
Crossing CAN to be connected with remote monitoring center transmission Monitoring Data, remote monitoring center can also be accompanied to electricity
Hot liquidometer transmitting control commands controls electric heat tracing liquid level indicator work in real time.The present invention uses in existing system
CAN mode, can avoid building the fund input that communication network brings.
It is emphasized that embodiment of the present invention is illustrative rather than determinate, therefore
The present invention includes the embodiment being not limited to described in detailed description of the invention, every by those skilled in the art's root
Other embodiments drawn according to technical scheme, also belong to the scope of protection of the invention.
Claims (4)
1. an electric heat tracing liquid level indicator with CAN remote monitoring function, it is characterised in that: include close
Envelope flange, electric control gear, adpting flange, measuring cylinder, ribbon heater, heat-insulation layer and guard shield, described close
Envelope flange is arranged on the bottom of guard shield, and described measuring cylinder, ribbon heater, heat-insulation layer are pacified the most successively
Being contained in guard shield, described adpting flange and electric control gear are arranged on guard shield；Described electric control gear
Including MCU module, power module, measurement sensor, temperature sensor, CAN module, sound and light alarm module
With ribbon heater control module；Described power module input connects MCU module, temperature sensor, CAN module
With audible-visual annunciator be above-mentioned module for power supply, MCU module respectively with the measurement sensing being arranged in measuring cylinder
Device, the temperature sensor being arranged in guard shield, ribbon heater control module, audible-visual annunciator and CAN mould
Block is connected, and this ribbon heater control module is connected with ribbon heater, and this CAN module passes through CAN with remote
Range monitoring center is connected and realizes remote monitoring function.
A kind of electric heat tracing liquid level indicator with CAN remote monitoring function the most according to claim 1,
It is characterized in that: described MCU module and power module are also connected with memorizer for storing the work number of liquidometer
According to.
A kind of electric tracing liquid with CAN remote monitoring function the most according to claim 1 and 2
Position meter, it is characterised in that: described guard shield is protection aluminum skin.
A kind of electric tracing liquid with CAN remote monitoring function the most according to claim 1 and 2
Position meter, it is characterised in that: described ribbon heater uses self-temperature-limiting heating strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526149.2A CN105973340A (en) | 2016-07-06 | 2016-07-06 | Electrical heat tracing liquid-level meter with CAN bus remote monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526149.2A CN105973340A (en) | 2016-07-06 | 2016-07-06 | Electrical heat tracing liquid-level meter with CAN bus remote monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105973340A true CN105973340A (en) | 2016-09-28 |
Family
ID=56954202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610526149.2A Pending CN105973340A (en) | 2016-07-06 | 2016-07-06 | Electrical heat tracing liquid-level meter with CAN bus remote monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105973340A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774037A (en) * | 2017-03-19 | 2017-05-31 | 北京工业大学 | A kind of intelligent electric tracing control system based on Internet of Things cloud platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555633U (en) * | 2009-12-18 | 2010-08-18 | 天津市鑫成仪表有限公司 | Electric heat tracing liquid level meter |
| CN102121841A (en) * | 2010-12-17 | 2011-07-13 | 天津市鑫成仪表有限公司 | Electric heat tracing type quartz glass tube liquid level meter |
| CN202177820U (en) * | 2011-08-17 | 2012-03-28 | 天津市光彩自控工程有限公司 | Remote monitoring system for river pumping station |
| DE102014003342A1 (en) * | 2014-03-07 | 2015-09-10 | Astrium Gmbh | Cryogenic fuel tank with a measuring module |
-
2016
- 2016-07-06 CN CN201610526149.2A patent/CN105973340A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201555633U (en) * | 2009-12-18 | 2010-08-18 | 天津市鑫成仪表有限公司 | Electric heat tracing liquid level meter |
| CN102121841A (en) * | 2010-12-17 | 2011-07-13 | 天津市鑫成仪表有限公司 | Electric heat tracing type quartz glass tube liquid level meter |
| CN202177820U (en) * | 2011-08-17 | 2012-03-28 | 天津市光彩自控工程有限公司 | Remote monitoring system for river pumping station |
| DE102014003342A1 (en) * | 2014-03-07 | 2015-09-10 | Astrium Gmbh | Cryogenic fuel tank with a measuring module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106774037A (en) * | 2017-03-19 | 2017-05-31 | 北京工业大学 | A kind of intelligent electric tracing control system based on Internet of Things cloud platform |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160928 |
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| RJ01 | Rejection of invention patent application after publication |