CN204188239U - A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness - Google Patents
A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness Download PDFInfo
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- CN204188239U CN204188239U CN201420629826.XU CN201420629826U CN204188239U CN 204188239 U CN204188239 U CN 204188239U CN 201420629826 U CN201420629826 U CN 201420629826U CN 204188239 U CN204188239 U CN 204188239U
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Abstract
The utility model discloses a kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness, comprise high/low temperature constant temperature oven, calibration cell, normal flow metering platform, negative pressure device and heat interchanger, it is characterized in that, in high/low temperature constant temperature oven, device is detected gas meter, flow meter, the delivery outlet of detected gas meter, flow meter is connected to the heat exchanger tube of heat interchanger, the outlet of heat exchanger tube is connected to calibration cell, calibration cell measures platform, negative pressure device with normal flow more successively, and gas is passed in heat interchanger after heat interchange occurs in the gap flowing through heat exchanger tube and is transported in detected gas meter, flow meter.The gas meter, flow meter temperature adaptability test device with energy-conservation usefulness described in the utility model utilizes heat interchanger that the input gas of high/low temperature constant temperature oven and output gas are carried out heat interchange, effective use of energy sources, reduce the power consumption of high/low temperature constant temperature oven and calibration cell, energy-conserving and environment-protective, reduce production cost.
Description
Technical field
The utility model relates to flow metering field, particularly relates to a kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness.
Background technology
In order to explore gas meter, flow meter metering accuracy at different temperatures, and there is the gas meter, flow meter metering accuracy at different temperatures of temperature compensation function or temperature compensation mechanism, needing to carry out high/low temperature test to gas meter, flow meter.Currently used gas meter, flow meter temperature adaptability test device be only by detected gas meter apparatus in high/low temperature constant temperature oven, gas is directly passed in calibration cell and makes gas temperature reach standard temperature after detected gas meter, flow meter, and then be transferred to normal flow metering platform in measure, whether the metering that the numerical value numerical value of detected gas meter, flow meter and normal flow being measured platform carries out calculating, comparison draws detected gas meter, flow meter accurate.When adopting this kind of mode, can be high or extremely low by the gas temperature being in the detected gas meter, flow meter in high/low temperature constant temperature oven, and gas must be passed in Water Tank with Temp.-controlled and reaches standard temperature and just can carry out standard test, therefore the waste of mass energy can be caused, the compressor of high/low temperature constant temperature oven must keep in the moment operating at full capacity, power consumption is large, and cost is high.
Utility model content
The technical assignment of technical problem to be solved in the utility model and proposition improves prior art, a kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness is provided, the gas meter, flow meter temperature adaptability test plant energy consumption solved in current technology is high, cost is high, the problem of not energy-conserving and environment-protective.
For solving above technical matters, the technical solution of the utility model is:
A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness, comprise high/low temperature constant temperature oven, calibration cell, normal flow metering platform, negative pressure device and heat interchanger, it is characterized in that, in high/low temperature constant temperature oven, device is detected gas meter, flow meter, the delivery outlet of detected gas meter, flow meter is connected to the heat exchanger tube of heat interchanger, the outlet of heat exchanger tube is connected to calibration cell, calibration cell measures platform with normal flow more successively, negative pressure device connects, system console controls each component operation, gas is passed in heat interchanger after heat interchange occurs in the gap flowing through heat exchanger tube and is transported in detected gas meter, flow meter.The gas that the gas meter, flow meter temperature adaptability test device with energy-conservation usefulness described in the utility model utilizes heat interchanger to make to enter detected gas meter, flow meter in advance with export gas from high/low temperature constant temperature oven high temperature out or low temperature and carry out heat interchange, thus make the output gas of high temperature reduce the output gas raised temperature of temperature or low temperature, and then be passed in calibration cell make export gas temperature reach constant standard temperature 20 ± 2 DEG C, enter into normal flow metering platform again to measure, now just can obtain the standard meter value of gas, carry out calculating contrast with the displayed value of detected gas meter, flow meter and can confirm whether detected gas meter, flow meter is specification product.The gas entering detected gas meter, flow meter is heated in advance or is passed into high/low temperature constant temperature oven again after lowering the temperature in heat interchanger, thus the operating power of high/low temperature constant temperature oven can be reduced, just by the gas-heated entered or required temperature can be cooled to without the need to full power operation, thus reduce the power consumption of high/low temperature constant temperature oven, effectively save the energy, reduce production cost.
Further, gas carries out heat interchange by being passed into after dehydrating unit in heat interchanger with the output gas of detected gas meter, flow meter again.Utilize dehumidifier to remove water vapor in gas, avoid the condensation of water vapor cause gas volume excessive change, have a strong impact on the accuracy of flow detection.
Further, described calibration cell using water or oil as thermostatic medium, using water or oil good as feature of environmental protection during thermostatic medium, recycling is good, and temperature persistance is good.
Further, described negative pressure device adopts vacuum pump, vacuum generator or negative-pressure air fan, selects applicable device according to the production status of reality.
Further, described heat exchanger tube adopts the seamless metal pipe of good heat conductivity to make, and heat exchange efficiency is high, long service life, and is connected with heat radiator at seamless metal pipe outer wall, increases heat interchanging area, improves heat exchanger effectiveness.
Compared with prior art, the utility model advantage is:
The gas meter, flow meter temperature adaptability test device with energy-conservation usefulness described in the utility model utilizes heat interchanger that the input gas of high/low temperature constant temperature oven and output gas are carried out heat interchange, effective use of energy sources, reduce the power consumption of high/low temperature constant temperature oven and calibration cell, energy-conserving and environment-protective, reduce production cost, structure is simple, and processing and manufacturing difficulty is little, cost of manufacture is low, high financial profit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness disclosed in the utility model embodiment, the high temperature export detected gas meter, flow meter or cryogenic gas and input gas carry out heat interchange, input air preheat or precooling are reduced the working load of high/low temperature constant temperature oven, make output gas be passed into again in Water Tank with Temp.-controlled closer to after standard temperature simultaneously, reduce the power consumption of Water Tank with Temp.-controlled, energy-conserving and environment-protective.
As shown in Figure 1, a kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness, comprise high/low temperature constant temperature oven 1, calibration cell 2, normal flow metering platform 3, negative pressure device 4 and heat interchanger 6, in high/low temperature constant temperature oven 1, device is detected gas meter, flow meter 5, the delivery outlet of detected gas meter, flow meter 5 is connected to the heat exchanger tube 7 of heat interchanger 6, the outlet of heat exchanger tube 7 is connected to calibration cell 2, heat exchanger tube 7 adopts the seamless metal pipe of good heat conductivity to make, and be connected with heat radiator increase heat exchange area at seamless metal pipe outer wall, calibration cell 2 measures platform 3 with normal flow more successively, negative pressure device 4 connects, system console 8 controls each component operation, gas is transported in detected gas meter, flow meter 5 by being passed into after dehydrating unit 9 in heat interchanger 6 to flow through after heat interchange occurs for gap between heat exchanger tube 7 again.
Described calibration cell 2 is using water or oil as thermostatic medium, using water or oil as thermostatic medium, structure is simple, good constant-temperature effect, negative pressure device 4 adopts vacuum pump, vacuum generator or negative-pressure air fan, is natively having compressed-air actuated place, vacuum generator is used to obtain the simple and convenient cost of vacuum low, and there is no compressed-air actuated place, obtain vacuum with vacuum pump or negative-pressure air fan more convenient, select applicable device according to the production status of reality.
Negative pressure device 4 is started working, make gas successively by entering in high/low temperature constant temperature oven 1 after dehydrating unit 9 and heat interchanger 6, gas is heated or is passed in detected gas meter, flow meter 5 after cooling to the temperature of needs, detected gas meter, flow meter 5 can demonstrate the flow value of the gas passed through, there is heat interchange in the heat exchanger tube 7 entered into again in heat interchanger 6 from the gas of detected gas meter, flow meter 5 output, lower the temperature or be warmed up to closer to room temperature, and then be passed in calibration cell 2 standard temperature 20 ± 2 DEG C finally reaching constant, normal stream value is obtained in the gas Engage of standard flow metering platform 3 of standard temperature, the flow value of normal stream value and detected gas meter, flow meter 5 is carried out calculating contrasting and just can judge whether detected gas meter, flow meter 5 is qualified product.
Below be only preferred implementation of the present utility model, it should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. one kind has the gas meter, flow meter temperature adaptability test device of energy-conservation usefulness, comprise high/low temperature constant temperature oven (1), calibration cell (2), normal flow metering platform (3), negative pressure device (4) and heat interchanger (6), it is characterized in that, high/low temperature constant temperature oven (1) interior device is detected gas meter, flow meter (5), the delivery outlet of detected gas meter, flow meter (5) is connected to the heat exchanger tube (7) of heat interchanger (6), the outlet of heat exchanger tube (7) is connected to calibration cell (2), calibration cell (2) measures platform (3) with normal flow more successively, negative pressure device (4) connects, system console (8) controls each component operation, gas is passed in heat interchanger (6) after heat interchange occurs in the gap flowed through between heat exchanger tube (7) and is transported in detected gas meter, flow meter (5).
2. the gas meter, flow meter temperature adaptability test device with energy-conservation usefulness according to claim 1, it is characterized in that, gas carries out heat interchange by being passed in heat interchanger (6) after dehydrating unit (9) with the output gas of detected gas meter, flow meter (5) again.
3. the gas meter, flow meter temperature adaptability test device with energy-conservation usefulness according to claim 1, is characterized in that, described calibration cell (2) is using water or oil as thermostatic medium.
4. the gas meter, flow meter temperature adaptability test device with energy-conservation usefulness according to claim 1, is characterized in that, described negative pressure device (4) adopts vacuum pump, vacuum generator or negative-pressure air fan.
5. the gas meter, flow meter temperature adaptability test device with energy-conservation usefulness according to claim 1, is characterized in that, described heat exchanger tube (7) adopts the seamless metal pipe of good heat conductivity to make, and is connected with heat radiator at seamless metal pipe outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629826.XU CN204188239U (en) | 2014-10-27 | 2014-10-27 | A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420629826.XU CN204188239U (en) | 2014-10-27 | 2014-10-27 | A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness |
Publications (1)
| Publication Number | Publication Date |
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| CN204188239U true CN204188239U (en) | 2015-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420629826.XU Expired - Fee Related CN204188239U (en) | 2014-10-27 | 2014-10-27 | A kind of gas meter, flow meter temperature adaptability test device with energy-conservation usefulness |
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| CN (1) | CN204188239U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108344471A (en) * | 2017-12-27 | 2018-07-31 | 新智数字科技有限公司 | A kind of method and device of gas meter, flow meter detection |
| CN109960236A (en) * | 2017-12-25 | 2019-07-02 | 新智数字科技有限公司 | The test method and system of gas meter controller |
| CN110736523A (en) * | 2019-09-20 | 2020-01-31 | 成都秦川物联网科技股份有限公司 | High-low temperature performance test testing device for membrane type gas meter |
-
2014
- 2014-10-27 CN CN201420629826.XU patent/CN204188239U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109960236A (en) * | 2017-12-25 | 2019-07-02 | 新智数字科技有限公司 | The test method and system of gas meter controller |
| CN108344471A (en) * | 2017-12-27 | 2018-07-31 | 新智数字科技有限公司 | A kind of method and device of gas meter, flow meter detection |
| CN110736523A (en) * | 2019-09-20 | 2020-01-31 | 成都秦川物联网科技股份有限公司 | High-low temperature performance test testing device for membrane type gas meter |
| CN110736523B (en) * | 2019-09-20 | 2020-12-01 | 成都秦川物联网科技股份有限公司 | High-low temperature performance test testing device for membrane type gas meter |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000 Sichuan city of Chengdu province Chenghua District Development Zone Longtan urban industrial into relief road No. 1 Patentee after: SICHUAN HAILI INTELLIGENT & TECHNOLOGY CO., LTD. Address before: 610000 Sichuan city of Chengdu province Chenghua District Development Zone Longtan urban industrial into relief road No. 1 Patentee before: Sichuan Haili Intelligent & Technology Co., Ltd. |
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| 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: 20150304 Termination date: 20171027 |