CN211783979U - Cold and hot alternation comprehensive experiment device of calorimeter - Google Patents
Cold and hot alternation comprehensive experiment device of calorimeter Download PDFInfo
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- CN211783979U CN211783979U CN201922066480.2U CN201922066480U CN211783979U CN 211783979 U CN211783979 U CN 211783979U CN 201922066480 U CN201922066480 U CN 201922066480U CN 211783979 U CN211783979 U CN 211783979U
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Abstract
The utility model discloses an experimental apparatus is synthesized to cold and hot reversal of calorimeter, including opening cold experiment jar and opening hot experiment jar, open cold experiment jar and opening hot experiment jar all are connected with two pipelines, and open cold experiment jar is connected with first cold water return circuit and second cold water return circuit, and open hot experiment jar is connected with first hot water return circuit and second hot water return circuit. Has the following advantages: the problems of high energy consumption, large temperature range fluctuation, mixed cold and hot water, overflow and the like in the prior art are solved, hot water and cold water in a pipeline can be fully separated, the cold water pipeline is led away by the cold water, the hot water pipeline is led away by the hot water, two paths of experiment tables can work simultaneously, experiment items such as durability experiments, cold and hot alternation experiments, a standard meter method for checking heat meters and the like can be completed, energy is saved, consumption is reduced, and the measurement efficiency and accuracy are improved.
Description
Technical Field
The utility model provides an experimental apparatus is synthesized to cold and hot alternation of calorimeter, specific theory relates to the experiment of the full-automatic work of double-circuit durability experiment 300h or 2400h and the full-automatic cold and hot alternation of double-circuit 4000 times.
Background
The durability of the heat meter directly influences the service life of the heat meter, and most heat meter production enterprises mainly test the durability of the heat meter according to European standards because China has no corresponding test standards. The latest European standard EN1434-2015 adds 4000 times of temperature cycle impact tests to the durability test of the heat meter, but the existing durability test device of the heat meter is generally provided with only one set of flow regulating control module, and when the 4000 times of temperature cycle impact tests are carried out, various sensors and instruments in the flow regulating control module may have the problems of accuracy reduction, even failure and the like under the repeated impact of cold water and hot water. The common calorimeter durability experimental device has the phenomenon of mixing cold water and hot water, and has higher energy consumption; the temperature range fluctuation is large and is not easy to control; when the backflow water flows back to the two water tanks, the water amount is different, and the overflow phenomenon of one water tank is easy to occur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem is to above not enough, the utility model provides a reliability height, long service life, the security is good, convenient operation's a novel full-automatic cold and hot alternation experimental apparatus that is used for device of calorimeter durability experiment, it is high to overcome energy consumption among the prior art, the temperature range is undulant big, cold and hot muddy water, overflow scheduling problem, hot water and cold water in can the abundant separation pipeline and cold water walk the cold water pipeline, hot water walks the hot water pipeline, can realize two way laboratory tables simultaneous workings, can accomplish the durability experiment, cold and hot alternation experiment, experimental items such as standard meter method check-up calorimeter, energy saving and consumption reduction improves measurement of efficiency and degree of accuracy.
For solving the technical problem, the utility model discloses a following technical scheme:
a comprehensive experiment device for cold and heat alternation of a heat meter comprises an open cold experiment tank and an open heat experiment tank, wherein the open cold experiment tank and the open heat experiment tank are both connected with two pipelines, the open cold experiment tank is connected with a first cold water loop and a second cold water loop, and the open heat experiment tank is connected with a first hot water loop and a second hot water loop;
install first level gauge and third temperature sensor in the open cold experiment jar, install fourth temperature sensor and second level gauge in the open hot experiment jar.
Furthermore, the first cold water loop is sequentially connected with a first standard calorimeter, a second regulating valve, a first water supply pump, a fourth regulating valve, a first buffer, a first meter clamping table, a second buffer, a sixth regulating valve and a sealed cold backflow tank, the first cold water loop is connected with a water supply outlet of the open cold experiment tank, the first cold water loop is connected with a fourth interface on the first buffer when being connected into the first buffer, the first cold water loop is connected with a seventh interface on the first buffer when being connected out of the first buffer, the first cold water loop is connected with an eighth interface on the second buffer when being connected into the second buffer, the first cold water loop is connected with a ninth interface on the second buffer when being connected out of the second buffer, and the first cold water loop is connected with a second backflow water port of the sealed cold backflow tank.
Furthermore, a fifth regulating valve, a third regulating valve, a fourth buffer, a second clamping table, a third buffer, a fourteenth regulating valve and a sealed cold return tank are sequentially connected to the second cold water loop, the second cold water loop is connected with a return water inlet of the open cold experiment tank, the fifteenth interface on the fourth buffer is connected to the second cold water loop when the second cold water loop is connected into the fourth buffer, the sixteenth interface on the fourth buffer is connected to the second cold water loop when the second cold water loop is connected out of the fourth buffer, the seventeenth interface on the third buffer is connected to the second cold water loop when the second cold water loop is connected into the third buffer, the nineteenth interface on the third buffer is connected to the second cold water loop when the second cold water loop is connected out of the third buffer, and the first return water port of the sealed cold return tank is connected to the second cold water loop.
Furthermore, the first hot water loop is sequentially connected with a second standard calorimeter, a ninth regulating valve, a second water supply pump, a twelfth regulating valve, a first buffer, a first meter clamping table, a second buffer, a seventh regulating valve and a sealed hot reflux tank, the first hot water loop is connected with a thirteenth interface of the open heat release experiment tank, the first hot water loop is connected with a sixth interface on the first buffer when being connected with the first buffer, the first hot water loop is connected with a seventh interface on the first buffer when being connected with the first buffer, the first hot water loop is connected with an eighth interface on the second buffer when being connected with the second buffer, the first hot water loop is connected with a tenth interface on the second buffer when being connected with the second buffer, and the first hot water loop is connected with a third reflux water port of the sealed cold reflux tank.
Furthermore, a tenth regulating valve, an eleventh regulating valve, a fourth buffer, a second clamping table, a third buffer, a thirteenth regulating valve and a sealed type hot reflux tank are sequentially connected to the second hot water loop, the second cold water loop is connected with a twelfth interface of the open heat release experiment tank, the second hot water loop is connected with a fourteenth interface on the fourth buffer when being connected with the fourth buffer, the second hot water loop is connected with a sixteenth interface on the fourth buffer when being connected with the fourth buffer, the second hot water loop is connected with a seventeenth interface on the third buffer when being connected with the third buffer, the second hot water loop is connected with an eighteenth interface on the third buffer when being connected with the third buffer, and the second hot water loop is connected with a fourth reflux water port of the sealed type hot reflux tank.
Furthermore, a first temperature sensor and a refrigerator are arranged in the sealed cold reflux tank, and a second interface of the sealed cold reflux tank is connected with a third interface of the open cold experimental tank through a pipeline;
the second interface, the first return water port and the second return water port are all arranged on the circumferential side wall of the sealed cold return tank, and the third interface, the return water inlet and the water supply outlet are all arranged on the circumferential side wall of the open cold experiment tank.
Furthermore, a heater and a second temperature sensor are arranged in the sealed heat reflux tank, and a twenty-first interface of the sealed heat reflux tank is connected with an eleventh interface of the open heat release experiment tank through a pipeline;
the eleventh interface, the twelfth interface and the thirteenth interface are all arranged on the circumferential side wall of the open thermal experiment tank, and the heater, the twenty-first interface, the third backflow water port and the fourth backflow water port are all arranged on the circumferential side wall of the sealed thermal backflow tank.
Furthermore, a first interface of the sealed cold reflux tank is connected with a twentieth interface of the sealed hot reflux tank through a pipeline, and a first regulating valve, a water replenishing pump and an eighth regulating valve are sequentially connected in series on a connecting pipeline between the sealed cold reflux tank and the sealed hot reflux tank;
the first interface is arranged on the circumferential side wall of the open cold experiment tank, and the twentieth interface is arranged on the circumferential side wall of the sealed type hot reflux tank.
Furthermore, a fifth interface of the first buffer is connected with a first air source valve through a pipeline, and a twenty-second interface of the fourth buffer is connected with a second air source valve through a pipeline;
the fourth interface, the sixth interface and the seventh interface are arranged on the circumferential side wall of the first buffer, the fourth interface and the sixth interface are arranged side by side, the seventh interface, the fourth interface and the sixth interface are arranged in a staggered manner, and the twenty-second interface is arranged on an end cover at one end of the first buffer;
the fourteenth interface, the fifteenth interface and the sixteenth interface are arranged on the circumferential side wall of the fourth buffer, the fourteenth interface and the fifteenth interface are arranged side by side, the sixteenth interface, the fourteenth interface and the fifteenth interface are arranged in a staggered manner, and the fifth interface is arranged on an end cover at one end of the fourth buffer.
Furthermore, a fifth temperature sensor and a third liquid level meter are arranged in the second buffer, and a sixth temperature sensor and a fourth liquid level meter are arranged in the third buffer;
the eighth interface is arranged at the top of the second buffer, the ninth interface and the tenth interface are arranged at the bottom of the second buffer side by side, the seventeenth interface is arranged at the top of the third buffer, and the eighteenth interface and the nineteenth interface are arranged at the bottom of the third buffer side by side.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
the two paths work simultaneously, so that time is not wasted, and the efficiency is greatly improved; after the test is finished once in each work, the water supply pump is not stopped, the regulating valves 17 and 40 are opened, water respectively flows back into the cold and hot reflux tanks, and the reflux tanks cannot overflow; after each work is finished, the air source valve is opened to discharge water to the reflux tank, and when water with the other temperature is changed, the water with the two temperatures can be prevented from being mixed, so that the energy consumption is greatly reduced; the cold and hot impact experiment only impacts the experiment table, and does not impact other parts and pipelines, so that the service life of the equipment can be effectively prolonged; all experiments can realize full-automatic work without manual control.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of a comprehensive experiment device for alternating cold and heat of a heat meter in the embodiment of the invention;
FIG. 2 is a schematic structural diagram of a sealed cold reflux tank and an open cold test tank according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an open thermal experimental tank and a sealed thermal reflux tank according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the first buffer shown in FIG. 1;
FIG. 5 is a schematic diagram of a fourth buffer of FIG. 1;
FIG. 6 is a schematic diagram of a second buffer of FIG. 1;
FIG. 7 is a schematic structural diagram of a third buffer of FIG. 1;
in the figure, the position of the upper end of the main shaft,
1-a water replenishing pump, 2-a first regulating valve, 3-a first interface, 4-a first temperature sensor, 5-a second interface, 6-a first backflow water port, 7-a second backflow water port, 8-a first liquid level meter, 9-a third interface, 10-a backflow water inlet, 11-a water supply outlet, 12-a first standard calorimeter, 13-a second regulating valve, 14-a first water supply pump, 15-a third regulating valve, 16-a fourth regulating valve, 17-a fifth regulating valve, 18-a fourth interface, 19-a fifth interface, 20-a sixth interface, 21-a first buffer, 22-a seventh interface, 23-a first air source valve, 24-an eighth interface, 25-a first meter clamping table, 26-a second buffer and 27-a third buffer, 28-ninth interface, 29-sixth regulating valve, 30-seventh regulating valve, 31-tenth interface, 32-eighth regulating valve, 33-second level meter, 34-eleventh interface, 35-twelfth interface, 36-thirteenth interface, 37-second standard heat meter, 38-ninth regulating valve, 39-second water supply pump, 40-tenth regulating valve, 41-eleventh regulating valve, 42-twelfth regulating valve, 43-fourteenth interface, 44-fifteenth interface, 45-sixteenth interface, 46-second table clamping table, 47-seventeenth interface, 48-second temperature sensor, 49-refrigerator, 50-eighteenth interface, 51-nineteenth interface, 52-thirteenth regulating valve, 53-fourteenth regulating valve, 54-a twentieth interface, 55-a heater, 56-a twenty-first interface, 57-a third backflow water port, 58-a fourth backflow water port, 59-a third temperature sensor, 60-a fourth temperature sensor, 61-a fourth buffer, 62-a second air source valve, 63-a stirrer, 64-a twenty-second interface, 65-an open cold experiment tank, 66-an open hot experiment tank, 67-a sealed cold backflow tank, 68-a sealed hot backflow tank, 69-a fifth temperature sensor, 70-a third liquid level meter, 71-a sixth temperature sensor and 72-a fourth liquid level meter.
Detailed Description
Example 1, as shown in fig. 1 to 7, a heat meter cold-hot alternation comprehensive experiment device includes an open cold experiment tank 65 and an open hot experiment tank 66, both the open cold experiment tank 65 and the open hot experiment tank 66 are connected with two pipelines, the open cold experiment tank 65 is connected with a first cold water circuit and a second cold water circuit, and the open hot experiment tank 66 is connected with a first hot water circuit and a second hot water circuit.
The open cold experiment tank 65 is internally provided with a first liquid level meter 8 and a third temperature sensor 59, and the open hot experiment tank 66 is internally provided with a fourth temperature sensor 60 and a second liquid level meter 33.
The first cold water loop is connected with a first standard heat meter 12, a second regulating valve 13, a first water supply pump 14, a fourth regulating valve 16, a first buffer 21, a first meter clamping table 25, a second buffer 26, a sixth regulating valve 29 and a sealed cold backflow tank 67 in sequence, the first cold water loop is connected with a water supply outlet 11 of an open cold experiment tank 65, the first cold water loop is connected with a fourth interface 18 on the first buffer 21 when being connected into the first buffer 21, the first cold water loop is connected with a seventh interface 22 on the first buffer 21 when being connected out of the first buffer 21, the first cold water loop is connected with an eighth interface 24 on the second buffer 26 when being connected into the second buffer 26, the first cold water loop is connected with a ninth interface 28 on the second buffer 26 when being connected out of the second buffer 26, and the first sealed cold water loop is connected with a second backflow water port 7 of the cold backflow tank 67.
The second cold water loop is connected with a fifth adjusting valve 17, a third adjusting valve 15, a fourth buffer 61, a second clamping table 46, a third buffer 27, a fourteenth adjusting valve 53 and a sealed cold return tank 67 in sequence, the second cold water loop is connected with the water return inlet 10 of the open cold experiment tank 65, the fifteenth interface 44 on the fourth buffer 61 is connected when the second cold water loop is connected into the fourth buffer 61, the sixteenth interface 45 on the fourth buffer 61 is connected when the second cold water loop is connected out of the fourth buffer 61, the seventeenth interface 47 on the third buffer 27 is connected when the second cold water loop is connected into the third buffer 27, the nineteenth interface 51 on the third buffer 27 is connected when the second cold water loop is connected out of the third buffer 27, and the first return water port sealed 6 of the cold return tank 67.
The first hot water loop is connected with a second standard heat meter 37, a ninth adjusting valve 38, a second water supply pump 39, a twelfth adjusting valve 42, a first buffer 21, a first meter clamping table 25, a second buffer 26, a seventh adjusting valve 30 and a sealed hot return tank 68 in sequence, the first hot water loop is connected with a thirteenth interface 36 of an open heat release experiment tank 66, the first hot water loop is connected with a sixth interface 20 on the first buffer 21 when being connected with the first buffer 21, the first hot water loop is connected with a seventh interface 22 on the first buffer 21 when being connected with the first buffer 21, the first hot water loop is connected with an eighth interface 24 on the second buffer 26 when being connected with the second buffer 26, the first hot water loop is connected with a tenth interface 31 on the second buffer 26 when being connected with the second buffer 26, and the first hot water loop is connected with a third return water port 57 of a cold return tank 67.
The tenth regulating valve 40, the eleventh regulating valve 41, the fourth buffer 61, the second clamp table 46, the third buffer 27, the thirteenth regulating valve 52 and the sealed hot return tank 68 are sequentially connected to the second hot water circuit, the twelfth port 35 of the open hot test tank 66 is connected to the second cold water circuit, the fourteenth port 43 of the fourth buffer 61 is connected to the second hot water circuit when the fourth buffer 61 is connected to the second hot water circuit, the sixteenth port 45 of the fourth buffer 61 is connected to the second hot water circuit when the fourth buffer 61 is connected to the second hot water circuit, the seventeenth port 47 of the third buffer 27 is connected to the second hot water circuit when the third buffer 27 is connected to the second hot water circuit, the eighteenth port 50 of the third buffer 27 is connected to the second hot water circuit when the third buffer 27 is connected to the second hot water circuit, and the fourth return water port 58 of the hot return tank 68 is connected to the second hot water circuit.
The first temperature sensor 4 and the refrigerator 49 are arranged in the sealed cold return tank 67, and the second interface 5 of the sealed cold return tank 67 is connected with the third interface 9 of the open cold experimental tank 65 through a pipeline.
The heater 55 and the second temperature sensor 48 are arranged in the sealed heat reflux tank 68, and the twenty-first interface 56 of the sealed heat reflux tank 68 is connected with the eleventh interface 34 of the open heat test tank 66 through a pipeline.
The first port 3 of the sealed cold return tank 67 is connected with the twentieth port 54 of the sealed hot return tank 68 through a pipeline, and a first regulating valve 2, a water replenishing pump 1 and an eighth regulating valve 32 are sequentially connected in series on a connecting pipeline between the sealed cold return tank 67 and the sealed hot return tank 68.
The fifth port 19 of the first buffer 21 is connected with a first air source valve 23 through a pipeline, and the twenty-second port 64 of the fourth buffer 61 is connected with a second air source valve 62 through a pipeline.
A fifth temperature sensor 69 and a third liquid level meter 70 are arranged inside the second buffer 26, and a sixth temperature sensor 71 and a fourth liquid level meter 72 are arranged inside the third buffer 27.
The open cold experiment tank 65, the open hot experiment tank 66, the sealed cold reflux tank 67 and the sealed hot reflux tank 68 are all provided with a stirrer 63.
The first interface 3, the second interface 5, the first backflow water port 6 and the second backflow water port 7 are all arranged on the circumferential side wall of the sealed cold backflow tank 67, the third interface 9, the backflow water inlet 10 and the water supply outlet 11 are all arranged on the circumferential side wall of the open cold experiment tank 65, the eleventh interface 34, the twelfth interface 35 and the thirteenth interface 36 are all arranged on the circumferential side wall of the open hot experiment tank 66, and the twentieth interface 54, the heater 55, the twenty-first interface 56, the third backflow water port 57 and the fourth backflow water port 58 are all arranged on the circumferential side wall of the sealed hot backflow tank 68.
The fourth port 18, the sixth port 20 and the seventh port 22 are disposed on a circumferential side wall of the first buffer 21, the fourth port 18 and the sixth port 20 are disposed side by side, the seventh port 22, the fourth port 18 and the sixth port 20 are disposed in a staggered manner, and the twenty-second port 64 is disposed on an end cover at one end of the first buffer 21.
The fourteenth port 43, the fifteenth port 44 and the sixteenth port 45 are disposed on a circumferential sidewall of the fourth buffer 61, the fourteenth port 43 and the fifteenth port 44 are disposed side by side, the sixteenth port 45 is disposed offset from the fourteenth port 43 and the fifteenth port 44, and the fifth port 19 is disposed on an end cover of one end of the fourth buffer 61.
The eighth interface 24 is disposed at the top of the second buffer 26, the ninth interface 28 and the tenth interface 31 are disposed side by side at the bottom of the second buffer 26, the seventeenth interface 47 is disposed at the top of the third buffer 27, and the eighteenth interface 50 and the nineteenth interface 51 are disposed side by side at the bottom of the third buffer 27.
When the first cold water loop works, the second adjusting valve 13, the fourth adjusting valve 16 and the sixth adjusting valve 29 are all in an open state, the fifth adjusting valve 17, the third adjusting valve 15 and the seventh adjusting valve 30 are in a closed state, the circulation time of the first cold water loop is 2.5 minutes, in order to avoid the water supply pump 14 from being in a start-stop state, when a calorimeter to be checked is not received on the meter clamping table 25, the third adjusting valve 15 and the fourth adjusting valve 16 are closed, at the moment, a series pipeline of the open cold experiment tank 65, the standard calorimeter 12, the second adjusting valve 13, the first water supply pump 14 and the fifth adjusting valve 17 is formed, the first water supply pump 14 can be in a working state all the time, and the influence of multiple start-stop on the service life of the water supply pump 14 is avoided. When the first cold water circuit is finished, cold water staying in the pipeline needs to be drained to the sealed cold return tank 67, the third regulating valve 15, the fourth regulating valve 16 and the fifth regulating valve 17 are closed at the moment, the sixth regulating valve 29 is opened, cold water is pressed back to the sealed cold return tank 67 by the air supply valve 23, and whether the staying water is drained or not is judged by observing the third liquid level meter 70 in the second buffer 26.
When the first hot water circuit is operated, the ninth adjusting valve 38, the eleventh adjusting valve 41 and the thirteenth adjusting valve 52 are all in an open state, the tenth adjusting valve 40, the twelfth adjusting valve 42 and the fourteenth adjusting valve 53 are in a closed state, the circulation time of the first hot water circuit is 2.5 minutes, in order to avoid the second water supply pump 39 from being in a start-stop state, when the second clamp table 46 is not provided with a heat meter to be checked, the eleventh adjusting valve 41 and the twelfth adjusting valve 42 are closed, at this time, a series pipeline of the thermal experiment tank 66, the standard heat meter 37, the ninth adjusting valve 38, the second water supply pump 39 and the tenth adjusting valve 40 is opened, the second water supply pump 39 can be always in an operating state, and the influence of multiple start-stop on the service life of the second water supply pump 39 is avoided. When the operation of the first hot water circuit is finished, the hot water retained in the pipe needs to be drained to the sealed hot water return tank 68, the tenth, eleventh, twelfth and thirteenth regulating valves 40, 41, 42 are closed, the thirteenth regulating valve 52 is opened, the hot water is pressurized back to the sealed hot water return tank 68 by the air supply valve 62, and whether the retained water is drained or not is judged by observing the fourth liquid level gauge 72 in the third buffer 27. The two cold and hot loops can work simultaneously, and the work efficiency is improved while the two cold and hot loops do not influence each other.
The above mentioned devices are all known products on the market.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a calorimeter cold and hot alternation comprehensive experiment device which characterized in that: the system comprises an open cold experiment tank (65) and an open hot experiment tank (66), wherein the open cold experiment tank (65) and the open hot experiment tank (66) are both connected with two pipelines, the open cold experiment tank (65) is connected with a first cold water loop and a second cold water loop, and the open hot experiment tank (66) is connected with a first hot water loop and a second hot water loop;
install first level gauge (8) and third temperature sensor (59) in opening cold laboratory tank (65), install fourth temperature sensor (60) and second level gauge (33) in opening hot laboratory tank (66).
2. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 1, characterized in that: the first cold water loop is sequentially connected with a first standard calorimeter (12), a second regulating valve (13), a first water supply pump (14), a fourth regulating valve (16), a first buffer (21), a first meter clamping table (25), a second buffer (26), a sixth regulating valve (29) and a sealing type cold backflow tank (67), the first cold water loop is connected with a water supply outlet (11) of an open cold experimental tank (65), the fourth interface (18) on the first buffer (21) is connected when the first cold water loop is connected into the first buffer (21), the seventh interface (22) on the first buffer (21) is connected when the first cold water loop is connected out of the first buffer (21), the eighth interface (24) on the second buffer (26) is connected when the first cold water loop is connected into the second buffer (26), and the ninth interface (28) on the second buffer (26) is connected when the first cold water loop is connected out of the second buffer (26), the first cold water loop is connected with a second return water port (7) of the sealed cold return tank (67).
3. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 2, characterized in that: a fifth regulating valve (17), a third regulating valve (15), a fourth buffer (61), a second surface clamping table (46), a third buffer (27), a fourteenth regulating valve (53) and a sealing type cold return tank (67) are sequentially connected to the second cold water loop, the second cold water loop is connected with a water return inlet (10) of an open cold experimental tank (65), a fifteenth interface (44) on the fourth buffer (61) is connected when the second cold water loop is connected into the fourth buffer (61), a sixteenth interface (45) on the fourth buffer (61) is connected when the second cold water loop is connected out of the fourth buffer (61), a seventeenth interface (47) on the third buffer (27) is connected when the second cold water loop is connected into the third buffer (27), and a nineteenth interface (51) on the third buffer (27) is connected when the second cold water loop is connected out of the third buffer (27), the second cold water loop is connected with a first return water port (6) of the sealed cold return tank (67).
4. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 3, characterized in that: the first hot water loop is connected with a second standard calorimeter (37), a ninth regulating valve (38), a second water supply pump (39), a twelfth regulating valve (42), a first buffer (21), a first meter clamping table (25), a second buffer (26), a seventh regulating valve (30) and a sealing type hot reflux tank (68) in sequence, the first hot water loop is connected with a thirteenth interface (36) of a heat release experiment tank (66), the first hot water loop is connected with a sixth interface (20) on the first buffer (21) when being connected into the first buffer (21), the first hot water loop is connected with a seventh interface (22) on the first buffer (21) when being connected out of the first buffer (21), the first hot water loop is connected with an eighth interface (24) on the second buffer (26) when being connected into the second buffer (26), and the first hot water loop is connected with a tenth interface (31) on the second buffer (26) when being connected out of the second buffer (26), the first hot water loop is connected with a third return water port (57) of the sealed cold return tank (67).
5. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 4, characterized in that: a tenth regulating valve (40), an eleventh regulating valve (41), a fourth buffer (61), a second clamping table (46), a third buffer (27), a thirteenth regulating valve (52) and a sealing type hot return tank (68) are sequentially connected to the second hot water loop, the second cold water loop is connected with a twelfth interface (35) of the open heat release experiment tank (66), the fourteenth interface (43) on the fourth buffer (61) is connected when the second hot water loop is connected into the fourth buffer (61), the sixteenth interface (45) on the fourth buffer (61) is connected when the second hot water loop is connected out of the fourth buffer (61), the seventeenth interface (47) on the third buffer (27) is connected when the second hot water loop is connected into the third buffer (27), and the eighteenth interface (50) on the third buffer (27) is connected when the second hot water loop is connected out of the third buffer (27), the second hot water loop is connected with a fourth backflow water port (58) of the sealed type hot backflow tank (68).
6. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 3, characterized in that: a first temperature sensor (4) and a refrigerator (49) are arranged in the sealed cold reflux tank (67), and a second interface (5) of the sealed cold reflux tank (67) is connected with a third interface (9) of the open cold experiment tank (65) through a pipeline;
the second interface (5), the first return water port (6) and the second return water port (7) are all arranged on the circumferential side wall of the sealed cold return tank (67), and the third interface (9), the return water inlet (10) and the water supply outlet (11) are all arranged on the circumferential side wall of the open cold experiment tank (65).
7. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 5, characterized in that: a heater (55) and a second temperature sensor (48) are arranged in the sealed heat reflux tank (68), and a twenty-first interface (56) of the sealed heat reflux tank (68) is connected with an eleventh interface (34) of the heat release experiment tank (66) through a pipeline;
the eleventh interface (34), the twelfth interface (35) and the thirteenth interface (36) are all arranged on the circumferential side wall of the open thermal experiment tank (66), and the heater (55), the twenty-first interface (56), the third return water port (57) and the fourth return water port (58) are all arranged on the circumferential side wall of the sealed thermal return tank (68).
8. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 5, characterized in that: the first interface (3) of the sealed cold reflux tank (67) is connected with the twentieth interface (54) of the sealed hot reflux tank (68) through a pipeline, and a first regulating valve (2), a water supplementing pump (1) and an eighth regulating valve (32) are sequentially connected in series on a connecting pipeline between the sealed cold reflux tank (67) and the sealed hot reflux tank (68);
the first interface (3) is arranged on the circumferential side wall of the open cold experiment tank (65), and the twentieth interface (54) is arranged on the circumferential side wall of the sealed type hot reflux tank (68).
9. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 5, characterized in that: the fifth interface (19) of the first buffer (21) is connected with a first air source valve (23) through a pipeline, and the twenty-second interface (64) of the fourth buffer (61) is connected with a second air source valve (62) through a pipeline;
the fourth interface (18), the sixth interface (20) and the seventh interface (22) are arranged on the circumferential side wall of the first buffer (21), the fourth interface (18) and the sixth interface (20) are arranged side by side, the seventh interface (22), the fourth interface (18) and the sixth interface (20) are arranged in a staggered mode, and the twenty-second interface (64) is arranged on an end cover at one end of the first buffer (21);
the fourteenth interface (43), the fifteenth interface (44) and the sixteenth interface (45) are arranged on the circumferential side wall of the fourth buffer (61), the fourteenth interface (43) and the fifteenth interface (44) are arranged side by side, the sixteenth interface (45) and the fourteenth interface (43) and the fifteenth interface (44) are arranged in a staggered mode, and the fifth interface (19) is arranged on an end cover at one end of the fourth buffer (61).
10. The comprehensive experiment device for alternating cold and heat of the heat meter as claimed in claim 5, characterized in that: a fifth temperature sensor (69) and a third liquid level meter (70) are arranged in the second buffer (26), and a sixth temperature sensor (71) and a fourth liquid level meter (72) are arranged in the third buffer (27);
the eighth interface (24) is arranged at the top of the second buffer (26), the ninth interface (28) and the tenth interface (31) are arranged at the bottom of the second buffer (26) side by side, the seventeenth interface (47) is arranged at the top of the third buffer (27), and the eighteenth interface (50) and the nineteenth interface (51) are arranged at the bottom of the third buffer (27) side by side.
Priority Applications (1)
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