CN204007943U - Calorimeter intelligent detection device - Google Patents
Calorimeter intelligent detection device Download PDFInfo
- Publication number
- CN204007943U CN204007943U CN201420429858.5U CN201420429858U CN204007943U CN 204007943 U CN204007943 U CN 204007943U CN 201420429858 U CN201420429858 U CN 201420429858U CN 204007943 U CN204007943 U CN 204007943U
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- Prior art keywords
- water tank
- monitor station
- pipeline
- calorimeter
- weighing
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- Expired - Fee Related
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Abstract
The utility model provides calorimeter intelligent detection device.By heating water tank, variable frequency pump, buffer tank are installed on monitor station, make water by the detection of temperature, pressure and weigh, by touch-screen and corresponding instrument control, realize calorimeter Intelligent Measurement.The utility model has the advantage of: 1, adopt pressure and the two-parameter FEEDBACK CONTROL of flow, for equipment provides the current of constant pressure, flow speed stability.2, adopt large, medium and small three kinds of flow detection modes to improve calibration accuracy.3, system manually timing automatic startup system preheat.4, system adopts switch board mode of operation, convenient and swift.The suitable application of installation as heat meter calibration.
Description
Technical field
The utility model relates to calorimeter checkout equipment field, for the device that calorimeter is examined and determine and demarcated, and specifically calorimeter intelligent detection device.
Background technology
Calorimeter is being installed and used a lot of problems of middle existence, and wherein accuracy is the problem that people pay close attention to most.The General Office of the State Council issued before file explicitly calls for calorimeter to install and should carry out compulsory verification in August, 1999, and in this case, in actual test, the metering performance of calorimeter becomes with what device calibrating the focus that everybody pays close attention to.The device that the accuracy of a set of calibrating calorimeter is high, efficiency is high, reliability is strong is badly in need of in manufacturer, heat supply department, metrological service, and these many producers and metrological service are all being carried out to useful exploration.
The detection method that at present domestic calorimeter pick-up unit adopts mainly contains two kinds, one is permanent flow velocity method, the single feedback of technical employing, use high precision flow to measure flow velocity and feed back to frequency converter, then by Frequency Converter Control water pump, although can realize like this current stabilization speed, but manifold pressure is uncertain, and in the time that the crushing of tested table is too large, the power limited of water pump cannot meet the requirements of flow velocity, can not meet the requirement of national verification code.Another is voltage stabilizing method, and buffer tank and pressure transducer are installed before water inlet, and water inlet force value is fed back to frequency converter, then by Frequency Converter Control water pump, to stablize water inlet pressure.The weak point of this method is, in the time that being installed on pipeline, tested table can produce crushing, the flow velocity of water can decline, at this moment need the aperture of manual adjustments pipe water outlet valve, to improve water delivering orifice pressure, thereby make flow speed stability to the speed requiring, do not realize full-automation, and the adjusting of hand valve is very frequent, detection efficiency is low.
Utility model content
The key issue that the utility model quasi-solution is determined is the relative merits in conjunction with two kinds of detection methods, proposes a kind of two-parameter heat feedback table detection system, and existing flow velocity feedback has again pressure feedback, realizes voltage stabilization and current stabilization, solves the technical matters that improves calibration accuracy.
The scheme that the utility model technical solution problem adopts is:
Be provided with electronic scale and viewer in the left side in monitor station front, and flowmeter is installed, on monitor station, arrange and be connected with calorimeter, connection pipeline section and view window, tensimeter and pneumatic meter-clamping apparatus are installed on monitor station right side, are separately installed with from top to bottom control knob, relay indicating light, voltage table, timer, pressure reduction display, temperature controller and touch-screen at rightmost side operation panel.
Bottom at monitor station back side monitor station is provided with heating water tank, at the in-built having heaters of heating water tank, on heating water tank wall, temperature sensor is installed, heating water tank is connected with variable frequency pump by pipeline, manual ball valve is housed on pipeline, the efferent duct of variable frequency pump is connected with buffer tank, pressure transducer is installed in buffer tank, drawing pipeline from buffer tank is connected with the water tank of weighing, on pipeline, be connected with from right to left operated pneumatic valve in turn, inlet temperature sensor and pneumatic meter-clamping apparatus, be connected with pressure transducer and view window at table top position, on the pipeline being connected with the water tank of weighing in the left side of monitor station, outlet sensor is housed respectively, electric flow control valve and operated pneumatic valve, the upper end of branch line is provided with flowmeter, after converging, take-off pipe is connected with the water tank of weighing with single pipe, on single pipe, view window is housed, the water tank of weighing is placed on electronic scale, between water tank and heating water tank, be connected with straight pipe weighing, operated pneumatic valve is installed on straight pipe.
Good effect, 1, adopt pressure and the two-parameter FEEDBACK CONTROL of flow, for equipment provides the current of constant pressure, flow speed stability, this is to ensure the accurately technical foundation of calibrating calorimeter.2, adopt large, medium and small three kinds of flow detection modes to improve calibration accuracy, meet calorimeter is carried out to three kinds of different flows detecting of specifying in heat meter calibration code.3, system manually timing automatic startup system preheat, operating personnel can directly be examined and determine after going to work.The time of having saved feed-tank heating, efficiency improves greatly.4, system adopts PC control and switch board dual operation mode, convenient and swift, examines and determine data persistence in batches simultaneously, is convenient to inquiry.The suitable application of installation as heat meter calibration.
Brief description of the drawings
Fig. 1 is flow detection platform Facad structure figure
Fig. 2 is flow detection platform back side cut-away view
In figure, 1. electronic scale, 2. viewer, 3. flowmeter, 4. calorimeter, 5. connect pipeline section, 6. view window, 7. tensimeter, 8. pneumatic meter-clamping apparatus, 9. control knob, 10. relay indicating light, 11. voltage tables, 12. timers, 13. pressure reduction displays, 14. temperature controllers, 15. touch-screens, 16. appliance controllers, 17. pressure transducers, 18. heating water tank, 19. temperature sensors, 20. manual ball valves, 21. variable frequency pumps, 22. buffer tanks, 23. operated pneumatic valves, 24. inlet temperature sensors, 25. outlet sensors, 26. electric flow control valves, 27. operated pneumatic valves, 28. water tanks of weighing, 29. well heaters.
Embodiment
Shown in Fig. 1, be provided with electronic scale 1 and viewer 2 in the left side in monitor station front, and flowmeter 3 is installed, on monitor station, arrange and be connected with calorimeter 4, connection pipeline section 5 and view window 6, tensimeter 7 and pneumatic meter-clamping apparatus 8 are installed on monitor station right side, are separately installed with from top to bottom control knob 9, relay indicating light 10, voltage table 11, timer 12, pressure reduction display 13, temperature controller 14 and touch-screen 15 at rightmost side operation panel.
Shown in Fig. 2, bottom at monitor station back side monitor station is provided with heating water tank 18, at the in-built having heaters 29 of heating water tank, temperature sensor 19 is installed on heating water tank wall, heating water tank is connected with variable frequency pump 21 by pipeline, manual ball valve 20 is housed on pipeline, the efferent duct of variable frequency pump is connected with buffer tank 22, pressure transducer 17 is installed in buffer tank, drawing pipeline from buffer tank is connected with the water tank 28 of weighing, on pipeline, be connected with from right to left operated pneumatic valve 23 in turn, inlet temperature sensor 24 and pneumatic meter-clamping apparatus 8, be connected with pressure transducer 17 and view window 6 at table top position, outlet sensor 25 is housed respectively on the pipeline being connected with the water tank of weighing in the left side of monitor station, electric flow control valve 26 and operated pneumatic valve 27, the upper end of branch line is provided with flowmeter 3, after converging, take-off pipe is connected with the water tank of weighing with single pipe, view window 6 is housed on single pipe, the water tank of weighing is placed on electronic scale, between water tank and heating water tank, be connected with straight pipe weighing, operated pneumatic valve 23 is installed on straight pipe.
The utility model course of work:
In heating cabinet, have automatic heater and temperature sensor, the water temperature that ensures detection system with this is constant in 50 ± 5 DEG C.Pressure transducer is housed on buffer tank, feeds back to the constant pressure of buffer tank control buffer tank with this.Entrance point and endpiece at current are equipped with respectively temperature sensor, detect import and endpiece water flow temperature.On the connection pipeline section of a table, pressure transducer is housed respectively therein,, whether the crushing that detects table meets standard.Variable frequency pump is sent into buffer tank hot water from heating water tank, the water of buffer tank constant voltage flows into electric flow control valve by pneumatic valve and tested calorimeter after voltage stabilizing and electromagnetic flowmeter arrives the water tank of weighing, weigh after finishing and open the pneumatic valve of the water tank of weighing, water flows into heating water tank.Table detection system is controlled respectively by host computer and switch board, and convenient operation, has realized automation mechanized operation.
Principle of work:
In heating water tank, there is standard thermometer, for gathering the temperature of heating water tank, this temperature compares after adjustment via PID control instrument, is controlled the startup of the well heater in heating water tank and is stopped by PID by industrial computer, ensures that with this water temperature that detects loop is at 50 ± 5 DEG C.Heating water tank connects variable frequency pump by pipeline, supplied water to buffer tank by variable frequency pump, pressure transducer is installed on buffer tank, the signal feedback of pressure transducer is to variable frequency pump, the duty that regulates water pump with this, such a pressure closed loop control ensures the current of buffer tank output constant pressure.
Standard constant voltage current arrive output terminal through pipeline, select to open large flow according to testing requirement, middle flow or low discharge motor regulated valve, flowmeter feeds back to corresponding motor regulated valve according to the flow value of measuring simultaneously, regulate the aperture of electrically operated valve, form a flow closed loop with this, ensure the stable of flow.
Claims (1)
1. calorimeter intelligent detection device, is characterized in that:
Be provided with electronic scale (1) and viewer (2) in the left side in monitor station front, and flowmeter (3) is installed, on monitor station, arrange and be connected with calorimeter (4), connection pipeline section (5) and view window (6), tensimeter (7) and pneumatic meter-clamping apparatus (8) are installed on monitor station right side, are separately installed with from top to bottom control knob (9), relay indicating light (10), voltage table (11), timer (12), pressure reduction display (13), temperature controller (14) and touch-screen (15) at rightmost side operation panel;
In the bottom of monitor station back side monitor station, heating water tank (18) is installed, at the in-built having heaters of heating water tank (29), temperature sensor (19) is installed on heating water tank wall, heating water tank is connected with variable frequency pump (21) by pipeline, manual ball valve (20) is housed on pipeline, the efferent duct of variable frequency pump is connected with buffer tank (22), pressure transducer (17) is installed in buffer tank, drawing pipeline from buffer tank is connected with the water tank of weighing (28), on pipeline, be connected with from right to left operated pneumatic valve (23) in turn, inlet temperature sensor (24) and pneumatic meter-clamping apparatus (8), be connected with pressure transducer (17) and view window (6) at table top position, outlet sensor (25) is housed respectively on the pipeline being connected with the water tank of weighing in the left side of monitor station, electric flow control valve (26) and operated pneumatic valve (27), the upper end of branch line is provided with flowmeter, after converging, take-off pipe is connected with the water tank of weighing with single pipe, on single pipe, view window is housed, the water tank of weighing is placed on electronic scale, between water tank and heating water tank, be connected with straight pipe weighing, operated pneumatic valve (23) is installed on straight pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429858.5U CN204007943U (en) | 2014-08-01 | 2014-08-01 | Calorimeter intelligent detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429858.5U CN204007943U (en) | 2014-08-01 | 2014-08-01 | Calorimeter intelligent detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204007943U true CN204007943U (en) | 2014-12-10 |
Family
ID=52047924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429858.5U Expired - Fee Related CN204007943U (en) | 2014-08-01 | 2014-08-01 | Calorimeter intelligent detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204007943U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441521A (en) * | 2016-11-04 | 2017-02-22 | 江苏金钰铭电子有限公司 | Full-automatic serial connection water meter verification and calibration device |
| CN112139124A (en) * | 2020-10-10 | 2020-12-29 | 高智亮 | Comprehensive washing and checking platform for heat energy meter |
-
2014
- 2014-08-01 CN CN201420429858.5U patent/CN204007943U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106441521A (en) * | 2016-11-04 | 2017-02-22 | 江苏金钰铭电子有限公司 | Full-automatic serial connection water meter verification and calibration device |
| CN112139124A (en) * | 2020-10-10 | 2020-12-29 | 高智亮 | Comprehensive washing and checking platform for heat energy meter |
| CN112139124B (en) * | 2020-10-10 | 2024-05-07 | 高智亮 | Comprehensive flushing and checking platform for heat energy meter |
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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 |
Granted publication date: 20141210 Termination date: 20200801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |