CN2491833Y - Synthetic parameter measurer for heat exchanging equipment - Google Patents
Synthetic parameter measurer for heat exchanging equipment Download PDFInfo
- Publication number
- CN2491833Y CN2491833Y CN 00241262 CN00241262U CN2491833Y CN 2491833 Y CN2491833 Y CN 2491833Y CN 00241262 CN00241262 CN 00241262 CN 00241262 U CN00241262 U CN 00241262U CN 2491833 Y CN2491833 Y CN 2491833Y
- Authority
- CN
- China
- Prior art keywords
- transmitter
- flow
- hot
- fluid
- cold flow
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model belongs to the field of a thermal measuring instrument. A check-out system of the utility model is composed of a pressure and temperature transmitter of cold and thermal fluid inlet and outlet, and a flow transmitter of cold flow and / or heat flow. The measurements of relative parameters such as heat-transfer performance, fluid resistance performance and the like of a to-be-measured device are achieved by the processing and calculating of a computer system, and the results are displayed and printed. The utility model has the advantages of full-line measuring parameters, high accuracy, wide utilization, exploration-proof, portability, and long-distance transmission of signal, can be netted with a host computer/DCS system, and has the indirect measuring function, which not only can meet the demands of total analysis and study towards a heat exchange device of a research department, but also is widely used for on-line measurement of an operating device in a factory.
Description
The utility model belongs to thermal measurement instrument field, relates to a kind of heat-exchange apparatus comprehensive parameter measuring instrument.
At present, when needs were measured heat-exchange apparatus, unit was according to indirect observation result and empirical estimating mostly.According to the retrieval, disclosed several relevant instrument, device, just partial parameters such as the temperature of heat exchanging device, cold exchange device, heat transfer coefficient are detected, performance index that can not the thoroughly evaluating heat-exchange apparatus.
The purpose of this utility model will overcome above-mentioned deficiency exactly, a kind of measurement parameter is complete, precision is high and provide, all have related parameter can system to detect heat-exchange apparatus, in order to the surveying instrument of thoroughly evaluating heat-exchange apparatus performance index (heat transfer property, flow resistance characteristic).
The solution that realizes the utility model purpose is to comprise main frame (4) and keyboard (5), display screen (6), printer (7), timer (8), communication port (9), controlling alarm unit (10), indirectly measurement functional software module (11), the power supply (12), particularly cold flow intake pressure transmitter (p that link with main frame (4)
1), cold flow top hole pressure transmitter (p
2), hot-fluid intake pressure transmitter (P
1), hot-fluid top hole pressure transmitter (P
2), cold flow inlet temperature transmitter (t
1), cold flow outlet temperature transmitter (t
2), hot-fluid inlet temperature transmitter (T
1), hot-fluid outlet temperature transmitter (T
2), cold flow flow transmitter (Gc) and/or hot-fluid flow transmitter (Gh) connect with anti-explosion safety grid (1) respectively, the input end of the output terminal of safety barrier (1) and multiselect one analog switch (2) links, the input end of the output terminal of multiselect one analog switch (2) and A/D converter (3) links, and the output terminal of A/D converter (3) and main frame (4) link.
Flow transmitter (Gc and/or Gh) output digital signal is then directly sent into main frame (4).
The utility model has the advantages that measurement parameter is complete, precision is high, general, explosion-proof, portable, the signal is far passed, can with host computer/DCS systems connection, have the indirectly measurement function, can do online measurement to equipment in service.
Accompanying drawing is a schematic diagram of the present utility model
The utility model is described in further detail below in conjunction with accompanying drawing:
Cold flow intake pressure transmitter (p
1), cold flow top hole pressure transmitter (p
2), hot-fluid intake pressure transmitter (P
1), hot-fluid top hole pressure transmitter (P
2) all adopt the solid-state pressure unit of diffuse si; Cold flow inlet temperature transmitter (t
1), cold flow outlet temperature transmitter (t
2), hot-fluid inlet temperature transmitter (T
1), hot-fluid outlet temperature transmitter (T
2) adopting resistance one temperature transmitter: cold flow flow transmitter (Gc), hot-fluid flow transmitter (Gh) adopt supersonic flow transmitter or turbine flux transmitter.More than these transmitters connect with an intrinsic safety type zena's safety barrier (1) respectively, the output terminal and 16 of zena's safety barrier (1) selects the input end of an analog switch (2) to link, 16 select the output terminal of an analog switch (2) and the input end of 12 A/D converters (3) to link, and the output terminal of 12 A/D converters (3) and 51 or 96 serial one-chip computer main frames (4) link.Main frame (4) also is associated with thin film switch formula keyboard (5), LED or LCD display (6), panel type mini-printer (7), has real time clock RAM socket timer (8), the controlling alarm unit (10) and the indirectly measurement functional software module (11) of RS232 communication port (9), the output of 4～20mA electric current.Power supply (12) provides AC and DC two kinds of power supplys for full machine, and is connected to under-voltage indication alarm (13).
During work, by pressure unit (p
1, p
2, P
1, P
2), temperature transmitter (t
1, t
2, T
1, T
2), the simulating signal sent into of flow transmitter (Gc and/or Gh), through safety barrier (1), send A/D converter (3) successively to by multiselect one analog switch (2), convert them to digital quantity by A/D converter (3), flow to main frame (4), (if flow transmitter (Gc and/or Gh) output digital signal is then directly sent into main frame (4)); The operator imports relevant rerum natura, the equipment constant of equipment under test with keyboard (5); Machine is by after the software processes computing as calculated, can obtain fully characterizing 15 parameters such as cold flow intake pressure, cold flow top hole pressure, hot-fluid intake pressure, hot-fluid top hole pressure, cold flow inlet temperature, cold flow outlet temperature, hot-fluid inlet temperature, hot-fluid outlet temperature, cold flow flow and/or hot-fluid flow, cold flow pressure drop, hot-fluid pressure drop, thermal equilibrium relative error, thermal losses rate, overall heat transfer coefficient of tested heat-exchange apparatus heat transfer property, fluid resistance characteristic.
Claims (2)
1, a kind of heat-exchange apparatus comprehensive parameter measuring instrument, comprise that main frame (4) reaches keyboard (5), display screen (6), printer (7), timer (8), communication port (9), controlling alarm unit (10), indirectly measurement functional software module (11), the power supply (12) that links with main frame (4), is characterized in that cold flow intake pressure transmitter (p
1), cold flow top hole pressure transmitter (p
2), hot-fluid intake pressure transmitter (P
1), hot-fluid top hole pressure transmitter (P
2), cold flow inlet temperature transmitter (t
1), cold flow outlet temperature transmitter (t
2), hot-fluid inlet temperature transmitter (T
1), hot-fluid outlet temperature transmitter (T
2), cold flow flow transmitter (Gc) and/or hot-fluid flow transmitter (Gh) connect with anti-explosion safety grid (1) respectively, the input end of the output terminal of safety barrier (1) and multiselect one analog switch (2) links, the input end of the output terminal of multiselect one analog switch (2) and A/D converter (3) links, and the output terminal of A/D converter (3) and main frame (4) link.
2, heat-exchange apparatus comprehensive parameter measuring instrument according to claim 1 is characterized in that flow transmitter (Gc and/or Gh) output digital signal, then directly sends into main frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241262 CN2491833Y (en) | 2000-07-14 | 2000-07-14 | Synthetic parameter measurer for heat exchanging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00241262 CN2491833Y (en) | 2000-07-14 | 2000-07-14 | Synthetic parameter measurer for heat exchanging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2491833Y true CN2491833Y (en) | 2002-05-15 |
Family
ID=33601771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00241262 Expired - Fee Related CN2491833Y (en) | 2000-07-14 | 2000-07-14 | Synthetic parameter measurer for heat exchanging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2491833Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575551A (en) * | 2009-06-18 | 2012-07-11 | 康明斯知识产权公司 | Apparatus, system, and method for reductant line heating control |
| CN102967420A (en) * | 2012-11-12 | 2013-03-13 | 中广核太阳能开发有限公司 | On-line leak detection device and method for heat exchanger |
| CN103453797A (en) * | 2012-06-04 | 2013-12-18 | 上海瀚显空调节能技术有限公司 | Air compressor heat recovery unit with intelligent anti-leakage function |
| CN104075827B (en) * | 2013-12-20 | 2017-01-18 | 内蒙古神舟硅业有限责任公司 | Method for accurately measuring temperature of reduction furnace |
-
2000
- 2000-07-14 CN CN 00241262 patent/CN2491833Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575551A (en) * | 2009-06-18 | 2012-07-11 | 康明斯知识产权公司 | Apparatus, system, and method for reductant line heating control |
| CN102575551B (en) * | 2009-06-18 | 2015-08-12 | 康明斯知识产权公司 | For equipment, system and method that reductant line heating controls |
| CN103453797A (en) * | 2012-06-04 | 2013-12-18 | 上海瀚显空调节能技术有限公司 | Air compressor heat recovery unit with intelligent anti-leakage function |
| CN103453797B (en) * | 2012-06-04 | 2015-09-09 | 上海瀚显空调节能技术有限公司 | A kind of air compressor machine recuperation of heat unit with Intelligent anti-leakage function |
| CN102967420A (en) * | 2012-11-12 | 2013-03-13 | 中广核太阳能开发有限公司 | On-line leak detection device and method for heat exchanger |
| CN102967420B (en) * | 2012-11-12 | 2015-08-26 | 中广核太阳能开发有限公司 | The online leakage detection apparatus of heat interchanger and method |
| CN104075827B (en) * | 2013-12-20 | 2017-01-18 | 内蒙古神舟硅业有限责任公司 | Method for accurately measuring temperature of reduction furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |