CN201983837U - Movable liquid flow calibrating vehicle - Google Patents
Movable liquid flow calibrating vehicle Download PDFInfo
- Publication number
- CN201983837U CN201983837U CN 201120051779 CN201120051779U CN201983837U CN 201983837 U CN201983837 U CN 201983837U CN 201120051779 CN201120051779 CN 201120051779 CN 201120051779 U CN201120051779 U CN 201120051779U CN 201983837 U CN201983837 U CN 201983837U
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- vortex shedding
- circuit board
- water pump
- liquid flow
- flow meter
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Abstract
The utility model provides a movable liquid flow calibrating vehicle, which comprises a loading vehicle as well as a controller, a circuit board, an electromagnetic valve, a vortex shedding flowmeter and a water pump mounted on the loading vehicle, wherein the controller controlling the whole calibrating vehicle to work is electrically connected with the circuit board; the circuit board controlling the electromagnetic valve to open and close is electrically connected with the electromagnetic valve; the electromagnetic valve controlling the liquid flow of the vortex shedding flowmeter is mounted on a pipeline of the vortex shedding flowmeter; an intake pipe of the vortex shedding flowmeter is connected with a water outlet of the water pump; a drainage pipe of the vortex shedding flowmeter is connected with an inlet of the measured flowmeter; and a power wire is connected with the water pump and the circuit board. The movable liquid flow calibrating vehicle has a simple and practical structure, is convenient to keep and move, and can check and detect at any time and any place. Moreover, as the liquid flow in the vortex shedding flowmeter is controlled by the electromagnetic valve, the movable liquid flow calibrating vehicle has the characteristics of higher accuracy and longer service life.
Description
Technical field
The utility model relates to the fluid flow calibration vehicle of a kind of caliberating device, particularly a kind of movable type, belongs to measurement and calibration device technique field.
Background technology
Liquid flowmeter is the precision instrument that manufacturing is used for measuring closed conduit liquid, gas, steam flow according to the karman vortex principle, because detecting element is sealed in the detection bodies, no measured medium, and inner no movable member, need not to carry out field maintemance, therefore be subjected to users' high praise deeply, be widely used in textile printing and dyeing, oil, chemical industry, metallurgical pharmacy, thermoelectricity, papermaking, the measuring control of fire-fighting industry and process control.
Vortex shedding flow meter (vortex-shedding flowmeter), in fluid, lay a bluff body, fluid is alternately separated in generation body both sides, discharge the staggered regularly vortex of two strings, and the flowmeter that is directly proportional with flow of vortex shedding frequency within the specific limits.
Vortex shedding flow meter is mainly used in the flow measurement of industrial pipeline medium fluid, as multiple media such as gas, liquid, steam.Be characterized in that the pressure loss is little, range ability is big, precision is high, when measuring the operating mode volumetric flow rate, be subjected to fluid density, pressure, temperature hardly, viscosity is isoparametric influences.No moving machinery part, so reliability height, maintenance are little, and also the instrument parameter can be steady in a long-term.Vortex shedding flow meter adopts piezoelectric stress formula sensor, and the reliability height can be worked in-20 ℃～+ 250 ℃ operating temperature range, the mock standard signal is arranged, digital pulse signal output is also arranged, and easily and the supporting use of digital display circuit such as computing machine, is a kind of more advanced, desirable surveying instrument.
Solenoid valve is the valve that moves with electromagnet control valve core, is the commercial unit with Electromagnetic Control, is used in direction, flow, speed and other the parameter of adjusting medium in the industrial control system.Solenoid valve is to control with the effect of electromagnetism, and main control mode is controlled by relay.Solenoid valve can cooperate different circuit to realize the control of expecting, and the precision and the dirigibility of control can both guarantee.Solenoid valve has a variety of, and different solenoid valves plays a role at the diverse location of control system, and the most frequently used is retaining valve, safety valve, directional control valve, speed-regulating valve etc.
In tobacco industry, usually need strict mensuration and the control how much carried out, in the hope of reaching best suction flavor and fragrance to tobacco charging and perfuming.Therefore need to use liquid flowmeter to how much the measuring and monitoring of spices, be the measuring accuracy of dependable flow meter, need the periodic calibration flowmeter, calibrating with real object method is one of calibration steps of using always.But the installation and design of industry spot liquid flowmeter is only paid attention to the realization of its function and on-the-spot whole attractive in appearance, often ignore the ease for maintenance of its maintaining and the practicality of measurement and calibration, this has just caused the inconvenience of fluid flow meter calibrating and the not high defective of degree of accuracy.
Summary of the invention
The utility model promptly is at present above shortcomings part, proposes a kind ofly to be convenient to maintaining, and the convenience of verification and the high portable fluid flow calibration vehicle of accuracy.
Specifically, portable fluid flow calibration vehicle described in the utility model is characterized in that: described calibration vehicle comprises carrier and is installed in controller, circuit board, solenoid valve, vortex shedding flow meter and water pump on the carrier, wherein,
1, the controller of control whole calibrating turner work is electrically connected with circuit board;
2, the circuit board of control electromagnetic valve folding is electrically connected with solenoid valve;
3, the solenoid valve of control vortex shedding flow meter fluid flow is installed on the pipeline of vortex shedding flow meter;
4, the water inlet pipe of vortex shedding flow meter links to each other with the water delivering orifice of water pump, and the rising pipe of vortex shedding flow meter links to each other with the inlet of detected flowmeter, and power lead connects water pump and circuit board.
Described portable fluid flow calibration vehicle, it is characterized in that: the bottom of described carrier is provided with quiet universal wheel.
Described portable fluid flow calibration vehicle is characterized in that: also be provided with gauge tap on the panel of described controller.
Portable fluid flow calibration vehicle described in the utility model has following advantage:
1, simple and practical, be convenient to deposit and move, can carry out verification whenever and wherever possible and detect;
2, the flow of liquid in the solenoid control vortex shedding flow meter possesses more characteristic of accurate, and serviceable life is also long.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the utility model embodiment;
Fig. 2 is the functional block diagram of portable fluid flow calibration vehicle described in the utility model;
Wherein, 1 is that carrier, 2 is that controller, 3 is that circuit board, 4 is that solenoid valve, 5 is that vortex shedding flow meter, 6 is that water pump, 7 is that power lead, 51 is that water inlet pipe, 52 is a rising pipe.
Embodiment
Be described in detail below in conjunction with structure, principle of work and the use of accompanying drawing portable fluid flow calibration vehicle described in the utility model; purpose is better to understand technical scheme described in the utility model for the public; rather than to the restriction of described technical scheme; in fact; in invention spirit described in the utility model, to the improvement of described apparatus structure and to the increase and decrease of appropriate section with replace all within the utility model technical scheme required for protection.
As depicted in figs. 1 and 2, portable fluid flow calibration vehicle described in the utility model, comprise carrier 1 and be installed in controller 2 on the carrier 1, circuit board 3, solenoid valve 4, vortex shedding flow meter 5 and water pump 6, wherein, the controller 2 that the turner of control whole calibrating is done is electrically connected with circuit board 3, the circuit board 3 of control electromagnetic valve 4 foldings is electrically connected with solenoid valve 4, the solenoid valve 4 of control vortex shedding flow meter 5 fluid floies is installed on the pipeline of vortex shedding flow meter 5, the water inlet pipe 51 of vortex shedding flow meter 5 links to each other with the water delivering orifice of water pump 6, the rising pipe 52 of vortex shedding flow meter 5 links to each other with the inlet of detected flowmeter, and power lead 7 connects water pump 6 and circuit board 3.
For the ease of moving, can also be provided with quiet universal wheel in the bottom of described carrier, and on the panel of described controller, also be provided with gauge tap.
Portable fluid flow calibration vehicle described in the utility model is used for the on-site proving of the mass flowmeter of workshop different flow scope, and the key technical indexes is as follows:
1. flow range: (I) 40-250L/H; (II) 200-900L/H;
2. working power: 220VAC, 50HZ;
3. accuracy class: 0.5 grade;
4. medium temperature :-20 ℃-0 ℃;
5. environment temperature: 0 ℃-50 ℃.
Portable fluid flow calibration vehicle described in the utility model, operation and using method are as follows:
1. the output terminal (being the rising pipe of vortex shedding flow meter) that scale car is detected the loop is connected with the inlet of measured flux meter, the outlet of measured flux meter is connected with returnable, water pump is put in the returnable, and the water delivering orifice of water pump is connected with the water inlet pipe of vortex shedding flow meter;
2. turn on the power switch, power light is bright, selects the passage shelves of measured flux meter flow range: the flowmeter of 40-250L/H, select the I passage; The flowmeter of 200-900L/H is selected the II passage;
3. set corresponding flow accumulation instrument parameter lower limit alarming value AL1, upper limit alarm value AL2;
4. the switch pump of fetching boiling water, water pump is started working, show corresponding instantaneous delivery and integrated flux on the digital display meter, regulate the working current (voltage table and reometer show water pump corresponding work magnitude of voltage and current value respectively) that the speed governing knob changes water pump, change the flow of test loop medium, operating personnel's numerical value that the numerical value on the digital display meter and measured flux meter is shown compares, and judges the accuracy of measured flux meter;
5. when test loop medium flow during greater than lower limit alarming value AL1, less than upper limit alarm value AL2, corresponding lower limit pilot lamp (blueness) is bright; Rate-of flow is during greater than upper limit alarm value AL2, and corresponding lower limit pilot lamp (blueness) and upper limit pilot lamp (redness) are all bright.
Portable fluid flow calibration vehicle described in the utility model has following outstanding function:
One, maintaining function
Charging system is made of two circuits in the tobacco industry, by using this device, even if in process of production, also can carry out maintaining work to untapped flowmeter, have use flexibly, characteristics easily;
Two, measurement and calibration function
Being the measuring accuracy of dependable flow meter, needing the periodic calibration flowmeter, is one of calibration steps of using always with the real object method calibration, and this installs by external measurement loop, selects different flows, thereby reaches the purpose of measurement and calibration.
Claims (3)
1. portable fluid flow calibration vehicle is characterized in that: described calibration vehicle comprises carrier and is installed in controller, circuit board, solenoid valve, vortex shedding flow meter and water pump on the carrier, wherein,
The controller that the turner of control whole calibrating is done is electrically connected with circuit board;
The circuit board of control electromagnetic valve folding is electrically connected with solenoid valve;
The solenoid valve of control vortex shedding flow meter fluid flow is installed on the pipeline of vortex shedding flow meter;
The water inlet pipe of vortex shedding flow meter links to each other with the water delivering orifice of water pump, and the rising pipe of vortex shedding flow meter links to each other with the inlet of detected flowmeter, and power lead connects water pump and circuit board.
2. portable fluid flow calibration vehicle according to claim 1, it is characterized in that: the bottom of described carrier is provided with quiet universal wheel.
3. portable fluid flow calibration vehicle according to claim 1 is characterized in that: also be provided with gauge tap on the panel of described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120051779 CN201983837U (en) | 2011-03-02 | 2011-03-02 | Movable liquid flow calibrating vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120051779 CN201983837U (en) | 2011-03-02 | 2011-03-02 | Movable liquid flow calibrating vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201983837U true CN201983837U (en) | 2011-09-21 |
Family
ID=44611296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120051779 Expired - Fee Related CN201983837U (en) | 2011-03-02 | 2011-03-02 | Movable liquid flow calibrating vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201983837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823532A (en) * | 2016-05-16 | 2016-08-03 | 上海裕凡实业有限公司 | Mobile flow online calibrating system |
| CN107462305A (en) * | 2017-08-08 | 2017-12-12 | 天信仪表集团有限公司 | A kind of flowmeter inline diagnosis method |
| CN108195437A (en) * | 2018-01-26 | 2018-06-22 | 湖北艾度科技有限公司 | A kind of movable type oil filling riser flow measurement vehicle |
-
2011
- 2011-03-02 CN CN 201120051779 patent/CN201983837U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105823532A (en) * | 2016-05-16 | 2016-08-03 | 上海裕凡实业有限公司 | Mobile flow online calibrating system |
| CN107462305A (en) * | 2017-08-08 | 2017-12-12 | 天信仪表集团有限公司 | A kind of flowmeter inline diagnosis method |
| CN108195437A (en) * | 2018-01-26 | 2018-06-22 | 湖北艾度科技有限公司 | A kind of movable type oil filling riser flow measurement vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20160302 |