CN201885833U - Heat meter calibrating device - Google Patents
Heat meter calibrating device Download PDFInfo
- Publication number
- CN201885833U CN201885833U CN2010202358723U CN201020235872U CN201885833U CN 201885833 U CN201885833 U CN 201885833U CN 2010202358723 U CN2010202358723 U CN 2010202358723U CN 201020235872 U CN201020235872 U CN 201020235872U CN 201885833 U CN201885833 U CN 201885833U
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- flow
- calibrating
- calibration
- heat meter
- temperature sensor
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Abstract
The utility model relates to a heat meter calibrating device comprising a hot water flow standard system, a paired temperature sensor calibrating system and a calculator calibrating system, wherein the hot water flow standard system carries out calibration independently on a flow sensor of a heat meter; the paired temperature sensor calibrating system carries out calibration independently on pared temperature sensors of the heat meter; and the calculator calibrating system carries out calibration independently on a calculator of the heat meter. The heat meter calibrating device can carry out calibration on the flow sensor, the temperature sensors and the calculator respectively and independently, can carry out component combination calibration, also can carry out total amount calibration, can meet the requirements of related standards, and can carry out type calibration, mandatory first inspection and production calibration work of the heat meter.
Description
Technical field
The utility model relates to a kind of calibration equipment, especially relates to a kind of calorimeter calibrating installation.
Background technology
At present, known calorimeter is made up of flow sensor, pairing temperature sensor and three parts of counter.By the national metrological verification regulations requirement, calorimeter three parts of reply when finalizing the design evaluation are tested respectively, the calibrating of hot water flow, pairing temperature sensor calibrating and counter calibrating; Dispatch from the factory calibrating or can carry out total amount calibrating or component combination calibrating when forcing first inspection, can be to calorimeter whole or flow sensor, the counter that has a pairing temperature sensor are examined and determine respectively.Therefore, how to invent out the calorimeter calibrating installation that can carry out component calibrating, component combination calibrating and total amount calibrating, just measurement verification department and industry metrological service problem anxious to be solved to three parts.
Summary of the invention
The purpose of this utility model provides a kind of calorimeter calibrating installation that can carry out component calibrating, component combination calibrating and total amount calibrating to flow sensor, pairing temperature sensor and the counter of calorimeter.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of calorimeter calibrating installation, comprise hot water flow modular system, pairing temperature sensor verification system, counter verification system, it is characterized in that: described hot water flow modular system is independent to be examined and determine the flow sensor of calorimeter, the pairing temperature sensor verification system is independent examines and determine the pairing temperature sensor of calorimeter, and the counter verification system is independent examines and determine the counter of calorimeter.
Described hot water flow modular system is made up of heat cycles equipment, voltage-stabilizing system, exhaust system, flow regulation, commutator, flow standard device, automatic control system; It is to guarantee thermostatical circulating water by controlling the running of heating unit that heat cycles equipment mainly acts on, and the constant temperature recycle unit carries out high-precision control by control panel or computer software, and temperature is controlled automatically by high Accuracy PID, is provided with two monitoring temperature points; Voltage-stabilizing system adopts pressurizing vessel as the voltage stabilizing measure, adopts constant voltage control to pass through variable frequency pump; Exhaust system has promptly designed gas and water separator in buffer tank; Flow regulation is to realize the adjusting of the tested flow point of various bore calorimeters by the high precision electric control valve, can use automatic control equipment and software to realize the automatic adjusting of flow according to the flow feedback of electromagnetic flowmeter; Commutator adopts special-purpose commutator, has guaranteed the consistance of commutating period; The flow standard device adopts three modes that the high-precision electronic scale combines with six high precision electromagnetic flowmeters; Automatic control system mainly is to realize the automatic collection of tested surface low amount or the second-class platinum-resistance thermometer signal of energy pulse signal, electromagnetic flowmeter, electronic scales and calibration cell, the switch control of operated pneumatic valve, functions such as the automatic adjusting of electric control valve and real time data acquisition.
Described pairing temperature sensor verification system is made up of calibration cell, second-class standard platinum thermal resistance and six and half general digital tables.
Described computing machine verification system can be gathered the standard thermal resistance automatically; The counter verification system is made up of standard resistance box, basic pulse generator etc.
But the utility model flow sensor, temperature sensor and counter are examined and determine separately respectively, can carry out the component combination calibrating, also can carry out the total amount calibrating.
The beneficial effects of the utility model are: the utility model calibrating installation can satisfy the requirement of CJ128-2007 calorimeter, JJG225-2001 calorimeter vertification regulation, People's Republic of China's city-building industry standard " calorimeter calibrating installation ", People's Republic of China's national metrological verification regulations " heat meter calibration facility ", OMIL R75 and EN 1434, can carry out the pattern calibrating of calorimeter, mandatory first inspection and production calibration operation.
Description of drawings
Fig. 1 is a floor plan of the present utility model.
1. electronic scales among the figure, 2.10m
3Graduated cylinder, 3.3m
3Graduated cylinder, 4. electromagnetic flowmeter, 5. calibration cell, 6. pairing temperature sensor, 7. guide rail, 8. expansion bend, 9. computer control part, 10. buffer tank, 11. water tanks, 12. variable frequency pumps.
Embodiment
In Fig. 1, a kind of calorimeter calibrating installation, comprise hot water flow modular system, pairing temperature sensor verification system, counter verification system, the hot water flow modular system is independent to be examined and determine the flow sensor of calorimeter, the pairing temperature sensor verification system is independent examines and determine the pairing temperature sensor of calorimeter, and the counter verification system is independent examines and determine the counter of calorimeter; The hot water flow modular system is made up of heat cycles equipment, voltage-stabilizing system, exhaust system, flow regulation, commutator, flow standard device, automatic control system; It is to guarantee thermostatical circulating water by controlling the running of heating unit that heat cycles equipment mainly acts on, and the constant temperature recycle unit carries out high-precision control by control panel or computer software, and temperature is controlled automatically by high Accuracy PID, is provided with two monitoring temperature points; Voltage-stabilizing system adopts pressurizing vessel as the voltage stabilizing measure, adopts constant voltage control by variable frequency pump (12); Exhaust system has promptly designed gas and water separator in buffer tank (10); Flow regulation is to realize the adjusting of the tested flow point of various bore calorimeters by the high precision electric control valve, can use automatic control equipment and software to realize the automatic adjusting of flow according to the flow feedback of electromagnetic flowmeter (10); Commutator adopts special-purpose commutator, has guaranteed the consistance of commutating period; The mode that the flow standard device adopts three high-precision electronic scales (1) to combine with six high precision electromagnetic flowmeters (4); Automatic control system is located in the computer control part (10), it mainly is the automatic collection that realizes tested surface low amount or energy pulse signal, electromagnetic flowmeter (4), electronic scales (1) and the second-class platinum-resistance thermometer signal of calibration cell (5), the switch control of operated pneumatic valve, functions such as the automatic adjusting of electric control valve and real time data acquisition; The pairing temperature sensor verification system is made up of calibration cell (5), second-class standard platinum thermal resistance and six and half general digital tables; The computing machine verification system can be gathered the standard thermal resistance automatically; The counter verification system is made up of standard resistance box, basic pulse generator etc.
The utility model can carry out the component calibrating when using, flow sensor, temperature sensor and counter are examined and determine separately respectively, mainly is applicable to the calibrating of split type calorimeter; Link together for thermal resistance and counter in the monoblock type calorimeter, can't adopt the calorimeter of component calibrating, can adopt the component combination calibrating, flow sensor is examined and determine separately during calibrating, and temperature sensor and counter are combined calibrating; The calibrating of the energy value that in a period of time, measures for calorimeter, can adopt the total amount calibrating, flow sensor is contained on the water flow standard apparatus, give tested table simulation temperature signal in the calibration cell of two different temperatures of pairing temperature sensor insertion, note the standard volume amount that tested table is passed by by standard electronic scale or standard scale, read two temperature of calibration cell, the standard energy value of COMPUTER CALCULATION and the energy indicating value of tested table are compared, calculate the error of calorimeter.
Claims (1)
1. calorimeter calibrating installation, comprise hot water flow modular system, pairing temperature sensor verification system, counter verification system, it is characterized in that: described hot water flow modular system is made up of heat cycles equipment, voltage-stabilizing system, exhaust system, flow regulation, commutator, flow standard device, automatic control system, the running of heat cycles device control heating unit, the constant temperature recycle unit is controlled by control panel or computer software, temperature is controlled automatically by high Accuracy PID, is provided with two monitoring temperature points; Voltage-stabilizing system adopts pressurizing vessel as the voltage stabilizing measure, adopt constant voltage control of conversion water pump, exhaust system has promptly designed gas and water separator in buffer tank, flow regulation is to realize the adjusting of the tested flow point of various bore calorimeters by the high precision electric control valve, can use automatic control equipment and software to realize the automatic adjusting of flow according to the flow feedback of electromagnetic flowmeter; Commutator adopts special-purpose commutator; The flow standard device adopts three modes that the high-precision electronic scale combines with six high precision electromagnetic flowmeters; Described pairing temperature sensor verification system is made up of calibration cell, second-class standard platinum thermal resistance and six and half general digital tables; Described counter verification system is made up of standard resistance box, basic pulse generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202358723U CN201885833U (en) | 2010-06-18 | 2010-06-18 | Heat meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202358723U CN201885833U (en) | 2010-06-18 | 2010-06-18 | Heat meter calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885833U true CN201885833U (en) | 2011-06-29 |
Family
ID=44183378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202358723U Expired - Lifetime CN201885833U (en) | 2010-06-18 | 2010-06-18 | Heat meter calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885833U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564647A (en) * | 2012-01-06 | 2012-07-11 | 中国计量科学研究院 | Thermostatic bath for verifying temperature sensor paired with calorimeter |
| CN102998028A (en) * | 2012-12-27 | 2013-03-27 | 重庆川仪自动化股份有限公司 | Ultrasonic heat meter verification system |
| CN111060225A (en) * | 2019-12-31 | 2020-04-24 | 瑞纳智能设备股份有限公司 | Large-caliber ultrasonic heat meter synchronous method verification method, system and device |
-
2010
- 2010-06-18 CN CN2010202358723U patent/CN201885833U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564647A (en) * | 2012-01-06 | 2012-07-11 | 中国计量科学研究院 | Thermostatic bath for verifying temperature sensor paired with calorimeter |
| CN102998028A (en) * | 2012-12-27 | 2013-03-27 | 重庆川仪自动化股份有限公司 | Ultrasonic heat meter verification system |
| CN111060225A (en) * | 2019-12-31 | 2020-04-24 | 瑞纳智能设备股份有限公司 | Large-caliber ultrasonic heat meter synchronous method verification method, system and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |