CN205373920U - Heat meter durability test device - Google Patents
Heat meter durability test device Download PDFInfo
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- CN205373920U CN205373920U CN201620110905.9U CN201620110905U CN205373920U CN 205373920 U CN205373920 U CN 205373920U CN 201620110905 U CN201620110905 U CN 201620110905U CN 205373920 U CN205373920 U CN 205373920U
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Abstract
The utility model discloses a heat meter durability test device, it is including the first tong -test ammeter ware of parallelly connected hot -water tank that sets up and cold water storage cistern and dress card calorimeter and second tong -test ammeter ware and by the first test pipeline and the second test pipeline of calorimeter series connection formation, be provided with heat -exchanger pump and cold water pump on the outlet pipe way of hot -water tank and cold water storage cistern, first test pipeline and second testing tube sweetgum fruit are crossed the U -shaped pipe and are established ties and clamp the fastening through first tong -test ammeter ware and second tong -test ammeter ware respectively, pressure sensor and the preceding temperature sensor of pipe be provided with the pipe that concatenates on the water intake pipe of first test pipeline before, pressure sensor and pipe back temperature sensor be provided with the pipe that concatenates on the outlet pipe way of second test pipeline after, the utility model discloses can realize " the basic durability test of 2400h " and " 300h attachs durability test ", can develop " 4000 cold and hot impact test ", effectively improve calorimeter durability test's detection efficiency and homemade calorimeter life cycle's experimental ability.
Description
Technical field
This utility model relates to a kind of calorimeter endurance test apparatus, particularly to a kind of device that calorimeter can carry out the basic endurancing of 2400h, the additional endurancing of 300h and 4000 cold shock testings.
Background technology
Calorimeter is adopted to carry out the important step that household measurement heat-supplying is heating modes.In China, actually used calorimeter carries out household metering from starting pilot existing time more than ten years so far, calorimeter to install and use quantity very huge.From routine testing statistical conditions, it is relatively stable that the head of calorimeter examines qualification rate, but from use feedack, calorimeter product quality Problems existing is mainly manifested in long-term reliability aspect.
In China, about the durability research of calorimeter, the mainly provincial metering institute such as China's metering institute, Beijing, Shandong, Tianjin, Hebei, Shanxi, Shaanxi and partial heat table manufacturing enterprise.Due to each side, explore in profound, be only limitted to theoretical side and study is understood.Concrete test is mainly confined to 300h test, and the data of accumulation are also not bery abundant.Existing durability test device is also some simple assay devices, it is impossible to fully meet based on the requirement to calorimeter durability test method of European standard EN1434 4:2007 " calorimeter chapter 4: type approval test " and the being about to national standard put into effect.Develop a set of device calorimeter durability test method required based on European standard, there is important real necessity.
Summary of the invention
Deficiency that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and a kind of reliability height, long service life, the device for calorimeter endurancing that safety is good, easy to operate are provided, this device is capable of " the basic endurancing of 2400h " and " the additional endurancing of 300h ", meanwhile, " 4000 cold shock testings " can be carried out.
To achieve these goals, the technical scheme that this utility model adopts includes the boiler and the cold water storage cistern that are arranged in parallel, the outlet pipeline of boiler and cold water storage cistern is provided with heat-exchanger pump and water supply pump, also include the first meter-clamping apparatus for the calorimeter that is installed and the second meter-clamping apparatus and the first test pipeline formed by calorimeter series connection and the second test pipeline, first test pipeline and the second test pipeline are connected by U-tube and load respectively through the first meter-clamping apparatus and the second meter-clamping apparatus card solid, temperature sensor before pressure transducer and pipe before being provided with the pipe of concatenation on the first inlet pipeline testing pipeline, temperature sensor after pressure transducer and pipe after being provided with the pipe of concatenation on the second outlet pipeline testing pipeline；
Before pressure transducer before described pipe, pipe, after temperature sensor, pipe, after temperature sensor and pipe, pressure transducer electrically connects with electric-control system respectively.
Said apparatus also includes first-class adjustable valve and first-class gauge, second adjustable valve and second gauge, first-class adjustable valve is connected with first-class gauge and second adjustable valve is installed in parallel after pipe on the pipeline between temperature sensor and boiler and the water inlet end of cold water storage cistern, and second adjustable valve and second gauge are connected in series.
Above-mentioned first test pipeline and the second test pipeline are all consisted of pipeline communication 2～6 calorimeters.
The water inlet of above-mentioned boiler is provided with on electronic hot water water intaking valve, outlet and is provided with manual hot outlet water control valve, being provided with hot water liquidometer and hot water temperature sensor in boiler, this hot water liquidometer and hot water temperature sensor electrically connect with electric-control system.
The water side of above-mentioned heat-exchanger pump is provided with the dynamic switching control pilot of thermoelectricity and hot-water check valve.
The water inlet of above-mentioned cold water storage cistern is provided with on electronic cold water water intaking valve, outlet and is provided with manual cold outlet water control valve, being provided with cold water liquidometer and cold water temperature sensor in cold water storage cistern, this cold water liquidometer and cold water temperature sensor electrically connect with electric-control system.
The water side of above-mentioned water supply pump is provided with cold motor switch and controls valve and cold water check-valves.
Calorimeter endurance test apparatus of the present utility model is by arranging hot water test loop and cold water test loop, it is capable of " the basic endurancing of 2400h " and " the additional endurancing of 300h ", simultaneously, " 4000 cold shock testings " can be carried out, it is effectively increased the detection efficiency of calorimeter endurancing and the test capability of domestic calorimeter life cycle, it is furthermore possible to test multiple calorimeter simultaneously, and Automated condtrol, save human cost, easy to operate, reliability is high, long service life, safety is good, testing result is accurate, the strong quality promoting China's calorimeter manufacturing industry and product competitiveness, improving product Metrology Support ability and inspection ability had important social meaning.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of embodiment 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.
Embodiment 1
nullAs shown in Figure 1，The calorimeter endurance test apparatus of the present embodiment is by electronic hot water water intaking valve 1、Boiler 2、Hot water temperature sensor 3、Hot water liquidometer 4、Manual hot outlet water control valve 5、Heat-exchanger pump 6、Hot-water check valve 7、Thermoelectricity moves switching control pilot 8、Electric-control system 9、First meter-clamping apparatus 10、Second meter-clamping apparatus 11、First test pipeline 12、Second test pipeline 13、First manual ball valve 14、Second manual ball valve 15、Temperature sensor 16 before pipe、Pressure transducer 17 before pipe、Pressure transducer 18 after pipe、Temperature sensor 19 after pipe、First-class gauge 20、Second gauge 21、Refrigeration mechanism 22、First-class adjustable valve 24、Second adjustable valve 23、Manual water-returning control valve 25、Cold motor switch controls valve 26、Cold water check-valves 27、Water supply pump 28、Manual cold outlet water control valve 29、Cold water liquidometer 30、Cold water temperature sensor 31、Cold water storage cistern 32、Electronic cold water water intaking valve 33 connects and composes.
The first test pipeline 12 of the present embodiment and the second test pipeline 13 are be connected in series by straight tube by 6 calorimeters to constitute respectively, and the first test pipeline 12 and the second test pipeline 13 are connected by U-tube, form path, the water outlet side of the first test pipeline 12 and the water inlet side of the second test pipeline 13 are fixed with the first meter-clamping apparatus 10 and the second meter-clamping apparatus 11 respectively, it is installed on Working gantry, facilitates the clamping of calorimeter in the first test pipeline 12 and the second test pipeline 13 or unclamp.First meter-clamping apparatus 10 of the present embodiment and the second meter-clamping apparatus 11 adopt mechanical type manual meter-clamping apparatus, it is with auto-lock function, avoid and the traditional, pneumatic long-time process of tong-test ammeter device causes because of gas leakage or air failure tong-test ammeter failure on testing stand, thus having stopped current ejection.Pressure transducer 17, the front temperature sensor 16 of pipe and the first manual ball valve 14 before being sequentially installed with pipe on the first water inlet end pipeline testing pipeline 12, in order to Real-time Collection tests the inflow temperature in pipeline, pressure and Non-follow control.The water inlet end of this first manual ball valve 14 is connected with boiler 2 by heat-exchanger pump 6, the delivery of boiler 2 to first test pipeline will be tested by heat-exchanger pump 6, for the ease of controlling, the outlet pipeline of this intake pump is provided with hot-water check valve 7 and the dynamic switching control pilot 8 of thermoelectricity, the inlet pipeline of heat-exchanger pump 6 is provided with on the outlet conduit of instant heating water tank 2 manual hot outlet water control valve 5, three groups of heater strips are installed in the bottom of boiler 2 hot water is heated, and hot water liquidometer 4 and hot water temperature sensor 3 are installed at the top of boiler 2, liquid level in detection boiler 2 and hot water temperature in real time.nullWith boiler 2 be connected in parallel also have cold water storage cistern 32，This cold water storage cistern 32 is connected with refrigeration mechanism 22，Cold water storage cistern 32 is connected with the first water inlet end testing pipeline by water supply pump 28，Specifically，The inlet pipeline of this cold water storage cistern 32 is provided with electronic cold water water intaking valve 33，The outlet pipeline of cold water storage cistern 32 is provided with manual cold outlet water control valve 29，Cold water liquidometer 30 and cold water temperature sensor 31 it is provided with in cold water storage cistern 32，The outlet pipeline of cold water storage cistern 32 is provided with manual cold outlet water control valve 29，The water side of this manual cold water control valve 29 connects with water supply pump 28，The outlet pipeline of water supply pump 28 is provided with cold water check-valves 27 and cold motor switch controls valve 26，Cold motor switch is controlled valve 26 and is connected by pipeline and the first manual ball valve 14 with the water side of the dynamic switching control pilot 8 of thermoelectricity，The water of boiler 2 or cold water storage cistern 32 is delivered to the first test pipeline、In second test pipeline.nullAbove-mentioned cold water storage cistern 32 electronic cold water water intaking valve 33 is connected with water return pipeline by tee T with the electronic hot water water intaking valve 1 of boiler 2，This water return pipeline is also equipped with manual water-returning control valve 25 and first-class adjustable valve 24、First-class gauge 20、Second adjustable valve 23 and second gauge 21，The first-class gauge 20 of the present embodiment adopts DN6 electromagnetic flowmeter，Second gauge 21 adopts DN25 electromagnetic flowmeter，First-class gauge 20 and first-class adjustable valve 24 are connected in series，Second gauge 21 and second adjustable valve 23 are connected in series，Simultaneously，First-class adjustable valve 24 and second adjustable valve 23 are in parallel，When testing water flow in pipeline and being bigger，First-class gauge 20 and first-class adjustable valve 24 are closed，Second adjustable valve 23 is opened，Uninterrupted is detected by second gauge 21；When testing water flow in pipeline and being less, second gauge 21 and first-class adjustable valve 24 are closed, and first-class adjustable valve 24 is opened, first-class gauge 20 detect uninterrupted, reduce detection error, accurate to ensure the flow detection result in water return pipeline.The water side connection of water return pipeline and the second test pipeline 13, specifically, second outlet pipeline testing pipeline 13 is provided with the second manual ball valve 15, temperature sensor 19 after pressure transducer 18 and pipe after the water outlet side of the second manual ball valve 15 is sequentially installed with pipe, second manual ball valve 15 connects with water return pipeline, test the effluent recycling of pipeline 13 by second to boiler 2 or cold water storage cistern 32, recycle.
In order to realize Automated condtrol, above-mentioned first-class gauge 20, second gauge 21, electronic hot water water intaking valve 1, hot water liquidometer 4, hot water temperature sensor 3, thermoelectricity moves switching control pilot 8, hot water thermal Water Check Valve 7, electronic cold water water intaking valve 33, cold water liquidometer 30, cold water temperature sensor 31, cold motor switch controls valve 26, cold water check-valves 27, pressure transducer 17 before pipe, temperature sensor 16 before pipe, temperature sensor 19 after pipe, after pipe, pressure transducer 18 electrically connects with electric-control system 9 respectively, the electric-control system 9 of the present embodiment is main by the PCI each flow signal of capture card Real-time Collection, pressure signal, temperature signal and liquid level signal etc.；By M Bus bus, it is possible to automatically collect the information such as the flow in each calorimeter, temperature, the temperature difference, heat, thus realizing Based Intelligent Control.
When calorimeter being carried out endurancing with the calorimeter endurance test apparatus of the present embodiment, following steps realize:
First, detected calorimeter is formed the first test pipeline 12 and the second test pipeline 13 by straight length series connection, and notice that installation direction is consistent with water (flow) direction, described calorimeter caliber is DN25, after connecting calorimeter, by the first meter-clamping apparatus 10 and the second meter-clamping apparatus 11, each calorimeter is reinforced, to ensure that long-play is not made mistakes, boiler 2 and cold water storage cistern 32 are added water to water level near 0.60m.
Then, carry out test method selection, the optional basic endurancing of 2400h, the additional endurancing of 300h and 4000 cold shock testings.Carry out the basic endurancing of 2400h, first the water of boiler 2 is heated, water temperature is made to be maintained within the scope of 90 DEG C～95 DEG C of tested calorimeter, utilize electric-control system 9 to control the dynamic switching control pilot 8 of thermoelectricity and electronic hot water water intaking valve 1 is opened, electronic cold water water intaking valve 33 and cold motor switch control valve 26 and close, the manual hot outlet water control valve 5 of manual unlocking and the first manual ball valve 14 and the second manual ball valve 15, the manual cold outlet water control valve 29 of manual-lock, control flow system flow to flow out from boiler 2, flow successively through heat-exchanger pump 6, first test pipeline 12, second test pipeline 13, return boiler 2；According to the calorimeter standard of Europe durability standards and China, continuously performing 100 cycles under 3 kinds of different flows, each cycle continues 24 hours, always 2400 hours consuming time.Wherein, each cycle ran 8h before this under 3500L/h, then runs 1h under 7000L/h, runs 8h under 3500L/h, finally runs 6h under 105L/h, adds the total 1h consuming time of the smooth transition between flow, each cycle and 24h consuming time.So run 2400h, the basic endurancing of 2400h can be completed.Carry out the additional endurancing of 300h, pipeline selects, the Guan Bi of valve is consistent with the basic endurancing of 2400h with arranging of water temperature, it is distinctive in that the additional endurancing of 300h is that system runs 300h continuously under 7000L/h, so can complete the additional endurancing of 300h.
nullAfterwards，If carry out 4000 cold shock testings，First the water of boiler 2 is heated，Boiler 2 water temperature is made to be maintained at 95 DEG C ± 0.2 DEG C，Cold water storage cistern 32 is freezed，Cold water storage cistern 32 water temperature is made to be maintained at 20 DEG C ± 0.2 DEG C，Utilize electric-control system 9 to control the dynamic switching control pilot 8 of thermoelectricity and electronic hot water water intaking valve 1 is opened、Electronic cold water water intaking valve 33 and cold motor switch control valve 26 and close，The manual hot outlet water control valve 5 of manual unlocking and the first manual ball valve 14 and the second manual ball valve 15，The manual cold outlet water control valve 29 of manual-lock，Control flow system flow to flow out from boiler 2，Flow successively through heat-exchanger pump 6、First test pipeline 12、Second test pipeline 13，Return boiler 2，So circulation carries out elevated temperature impact test 2.5 minutes，Then control the dynamic switching control pilot 8 of thermoelectricity and electronic hot water water intaking valve 1 is closed，Control electronic cold water water intaking valve 33 and cold motor switch controls valve 26 and opens，The manual cold outlet water control valve 29 of manual unlocking and the first manual ball valve 14 and the second manual ball valve 15，The manual hot outlet water control valve 5 of manual-lock，Control flow system flow to flow out from cold water storage cistern 32，Flow successively through water supply pump 28、First test pipeline 12、Second test pipeline 13，Return cold water storage cistern 32，So circulation carries out low-temperature impact test 2.5 minutes.High temperature impact and the such alternate cycles of low-temperature impact 4000 times, can complete 4000 thermal shock endurancings.
Embodiment 2
The first test pipeline 12 of the present embodiment and the second test pipeline 13 are be connected in series by straight tube by 4 calorimeters to constitute respectively, and other parts and connected mode are all identical with embodiment 1.
Embodiment 3
The first test pipeline 12 of the present embodiment and the second test pipeline 13 are be connected in series by straight tube by 2 calorimeters to constitute respectively, and other parts and connected mode are all identical with embodiment 1.
Test the installation number of calorimeter in pipeline 12 and the second test pipeline 13 to be adjusted according to actually detected situation for first, be not limited only to above-mentioned embodiment.
Selection for embodiment flow, it is possible to be adjusted according to the caliber of tested calorimeter, this device can survey the calorimeter of DN15, DN20 and DN25 caliber, is not limited only to above-mentioned enforcement value.
Claims (7)
- null1. a calorimeter endurance test apparatus，Including the boiler (2) being arranged in parallel and cold water storage cistern (32)，The outlet pipeline of boiler (2) and cold water storage cistern (32) is provided with heat-exchanger pump (6) and water supply pump (28)，Characterized by further comprising the first meter-clamping apparatus (10) for the calorimeter that is installed and the second meter-clamping apparatus (11) and the first test pipeline (12) formed by calorimeter series connection and the second test pipeline (13)，First test pipeline (12) and the second test pipeline (13) are connected by U-tube and are blocked respectively through the first meter-clamping apparatus (10) and the second meter-clamping apparatus (11) and load admittedly，Pressure transducer (17) and the front temperature sensor (16) of pipe before being provided with the pipe of concatenation on the first inlet pipeline testing pipeline (12)，Temperature sensor (19) after pressure transducer (18) and pipe after being provided with the pipe of concatenation on the second outlet pipeline testing pipeline (13)；Before pressure transducer (17) before described pipe, pipe, after temperature sensor (16), pipe, after temperature sensor (19) and pipe, pressure transducer (18) electrically connects with electric-control system (9) respectively.
- 2. calorimeter endurance test apparatus according to claim 1, it is characterized in that: described device also includes first-class adjustable valve (24) and first-class gauge (20), second adjustable valve (23) and second gauge (21), first-class adjustable valve (24) is connected with first-class gauge (20), and second adjustable valve (23) is installed in parallel on the pipeline between the water inlet end of temperature sensor after pipe (19) and boiler (2) and cold water storage cistern (32), second adjustable valve (23) and second gauge (21) are connected in series.
- 3. calorimeter endurance test apparatus according to claim 1, it is characterised in that: described first test pipeline (12) and the second test pipeline (13) they are all consisted of pipeline communication 2～6 calorimeters.
- 4. calorimeter endurance test apparatus according to claim 1, it is characterized in that: be provided with on electronic hot water water intaking valve (1), outlet on the water inlet of boiler (2) and be provided with manual hot outlet water control valve (5), being provided with hot water liquidometer (4) and hot water temperature sensor (3) in boiler (2), this hot water liquidometer (4) and hot water temperature sensor (3) electrically connect with electric-control system (9).
- 5. calorimeter endurance test apparatus according to claim 1, it is characterised in that: the water side of described heat-exchanger pump (6) is provided with the dynamic switching control pilot (8) of thermoelectricity and hot-water check valve (7).
- 6. calorimeter endurance test apparatus according to claim 1, it is characterized in that: be provided with on electronic cold water water intaking valve (33), outlet on the water inlet of cold water storage cistern (32) and be provided with manual cold outlet water control valve (29), being provided with cold water liquidometer (30) and cold water temperature sensor (31) in cold water storage cistern (32), this cold water liquidometer (30) and cold water temperature sensor (31) electrically connect with electric-control system (9).
- 7. calorimeter endurance test apparatus according to claim 1, it is characterised in that: the water side of described water supply pump (28) is provided with cold motor switch and controls valve (26) and cold water check-valves (27).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110905.9U CN205373920U (en) | 2016-02-03 | 2016-02-03 | Heat meter durability test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620110905.9U CN205373920U (en) | 2016-02-03 | 2016-02-03 | Heat meter durability test device |
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| CN205373920U true CN205373920U (en) | 2016-07-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973506A (en) * | 2016-07-19 | 2016-09-28 | 泉州七洋机电有限公司 | Cold-hot independent circulation calorimeter durability test device |
| CN108151918A (en) * | 2018-03-14 | 2018-06-12 | 泉州七洋机电有限公司 | A kind of calorimeter endurance test apparatus and its test method |
| CN108645542A (en) * | 2018-04-28 | 2018-10-12 | 陕西省计量科学研究院 | A kind of cold and hot water level balance method of calorimeter durability cold shock testing |
| CN114659595A (en) * | 2022-03-23 | 2022-06-24 | 浙江省计量科学研究院 | Water meter durability intelligent test device and method based on Internet of things |
-
2016
- 2016-02-03 CN CN201620110905.9U patent/CN205373920U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973506A (en) * | 2016-07-19 | 2016-09-28 | 泉州七洋机电有限公司 | Cold-hot independent circulation calorimeter durability test device |
| CN108151918A (en) * | 2018-03-14 | 2018-06-12 | 泉州七洋机电有限公司 | A kind of calorimeter endurance test apparatus and its test method |
| CN108645542A (en) * | 2018-04-28 | 2018-10-12 | 陕西省计量科学研究院 | A kind of cold and hot water level balance method of calorimeter durability cold shock testing |
| CN114659595A (en) * | 2022-03-23 | 2022-06-24 | 浙江省计量科学研究院 | Water meter durability intelligent test device and method based on Internet of things |
| CN114659595B (en) * | 2022-03-23 | 2022-09-30 | 浙江省计量科学研究院 | Water meter durability intelligent test device and method based on Internet of things |
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