Pump detection device capable of controlling environment temperature and medium temperature

Abstract

The invention discloses a pump detection device capable of controlling environment temperature and medium temperature, which can control the environment temperature of a tested pump in the testing process through an environment test box capable of controlling the temperature. The medium temperature can be controlled through the hot water supply module and the cold water supply module, and finally the influence of different environment temperatures and medium temperatures on the working efficiency of the tested pump is detected by controlling the environment temperatures and the medium temperatures. Meanwhile, when the hot water supply module and the cold water supply module control the medium temperature, the required medium temperature is detected according to the temperature of the heat source medium and the temperature of the cold source medium, and the following conditions are included: (1) when the required medium temperature is detected to be higher than the temperature of the heat source medium; (2) when the temperature of the required medium is detected to be lower than that of the cold source medium; (3) detecting that the temperature of the required medium is higher than that of the cold source medium and lower than that of the heat source medium; and the temperature of the medium can be conveniently controlled under the three conditions.

Description

Technical Field

[0001] The invention relates to the technical field of pumps, and in particular to a pump detection device capable of controlling ambient temperature and medium temperature. Background Art

[0002] Since the movement of the fluid medium inside the water pump is very complex and difficult to describe with an accurate mathematical model, a large number of tests must be performed to evaluate the performance of the water pump, so the performance test of the water pump is an indispensable part of the research, development and production of the water pump. The two main influencing factors involved in the water pump detection process are the ambient temperature and the medium temperature. Therefore, it is urgent to develop a pump detection device that can control the ambient temperature and the medium temperature, explore the influence of the ambient temperature and the medium temperature on the working efficiency of the water pump, and provide a theoretical basis for the water pump to comprehensively adjust the speed according to the ambient temperature and the medium temperature. Summary of the invention

[0003] The object of the present invention is to provide a pump detection device capable of controlling the ambient temperature and the medium temperature, so as to detect the influence of different ambient temperatures and the medium temperature on the working efficiency of the pump under test by controlling the ambient temperature and the medium temperature.

[0004] The above technical objectives of the present invention are achieved through the following technical solutions: a pump detection device capable of controlling ambient temperature and medium temperature, comprising a constant temperature module, a hot water supply module, a cold water supply module, a water supply module, a cooling module, and a cleaning module; the constant temperature module comprises an environmental test box capable of controlling temperature, an inlet pipe arranged at one side of the environmental test box and extending into the environmental test box, an outlet pipe arranged at the other side of the environmental test box and extending into the environmental test box, a first thermometer arranged on the inlet pipe and located in the environmental test box, a first pressure gauge arranged on the inlet pipe and located in the environmental test box, a second pressure gauge arranged on the outlet pipe and located in the environmental test box, and a flow meter arranged on the outlet pipe and located outside the environmental test box; the pump to be tested is installed in the environmental test box during the test and is connected between the inlet pipe and the outlet pipe; the hot water supply module comprises a flow meter with a second A heating tank with a thermometer, a first hot water pipe arranged between the heating tank and the water inlet pipe, a first hot water control solenoid valve arranged on the first hot water pipe, a second hot water pipe arranged between the water outlet pipe and the heating tank, a second hot water control solenoid valve arranged on the second hot water pipe, and a first density meter arranged on the second hot water pipe; the cold water supply module includes a refrigeration tank with a third thermometer, a first cold water pipe arranged between the refrigeration tank and the water inlet pipe, a first cold water control solenoid valve arranged on the first cold water pipe, a second cold water pipe arranged between the water outlet pipe and the refrigeration tank, a second cold water control solenoid valve arranged on the second cold water pipe, and a second density meter arranged on the second cold water pipe; the water supply module is connected between the refrigeration tank and the heating tank and is used to transport the cold water in the refrigeration tank to the heating tank; the cleaning module is used to fill cleaning water into the heating tank and allow the cleaning water to be output from the refrigeration tank.

[0005] By adopting the above technical scheme, the ambient temperature of the pump under test during the test can be controlled through a temperature-controllable environmental test chamber; the medium temperature can be controlled through the hot water supply module and the cold water supply module, and finally the influence of different ambient temperatures and medium temperatures on the working efficiency of the pump under test can be detected by controlling the ambient temperature and the medium temperature; at the same time, when the hot water supply module and the cold water supply module control the medium temperature, according to the temperature of the heat source medium, the temperature of the cold source medium, and the required medium temperature, it is divided into the following situations: ① When the required medium temperature is higher than the temperature of the heat source medium, the heating tank continues to heat the heat source medium, and monitors it through the second thermometer, so that the temperature of the heat source medium rises to the required temperature, and then the heat source medium of the required temperature is circulated through the first hot water pipe and the second hot water pipe ① When the required medium temperature is detected to be lower than the temperature of the cold source medium, the refrigeration tank continues to refrigerate the cold source medium and monitors it through the third thermometer, so that the temperature of the cold source medium drops to the required temperature, and then the cold source medium of the required temperature is circulated and transported to the pump under test through the first cold water pipe and the second cold water pipe, and monitored by the first thermometer; ③ When the required medium temperature is detected to be higher than the cold source medium and lower than the temperature of the heat source medium, the cold source medium in the refrigeration tank is transported to the heating tank through the water supply module, so that the temperature of the heat source medium in the heating tank drops to the required temperature, and then the heat source medium of the required temperature is circulated and transported to the pump under test through the first hot water pipe and the second hot water pipe, and monitored by the first thermometer; It has the function of conveniently controlling the medium temperature.

[0006] The present invention is further configured as follows: a first water pipe is provided on the heating tank, and a second water pipe is provided on the refrigeration tank; the water supply module includes a liquid storage tank, a first pipeline arranged between the liquid storage tank and the second water pipe, an extraction pump arranged in the middle of the first pipeline, two first control solenoid valves arranged on the first pipeline and located at both ends of the extraction pump, a second pipeline arranged between the liquid storage tank and the first water pipe, a filling pump arranged in the middle of the second pipeline, and two second control solenoid valves arranged on the second pipeline and located at both ends of the filling pump.

[0007] The present invention is further configured as follows: the cooling module includes a cooling pipe and a cooling water control solenoid valve arranged on the cooling pipe, one end of the cooling pipe is connected to the second cold water pipe and the connection point is located between the water outlet pipe and the second cold water control solenoid valve, and the other end of the cooling pipe is connected to the first hot water pipe and the connection point is located between the water inlet pipe and the first hot water control solenoid valve.

[0008] The present invention is further configured as follows: the cleaning module includes a cleaning pump for connecting to tap water, a third pipeline arranged between the cleaning pump and the first pipeline, a third control solenoid valve arranged on the third pipeline, a wastewater collection tank, a fourth pipeline connected between the second water pipe and the wastewater collection tank, and a fourth control solenoid valve arranged on the fourth pipeline.

[0009] The present invention is further configured that the required medium temperature control of the pump detection device comprises the following steps: S1: First, install the pump under test between the water inlet pipe and the water outlet pipe, and control the ambient temperature of the pump under test by adjusting the temperature of the environmental test chamber; S2: The heating tank heats the internal medium to obtain the heat source medium, and the refrigeration tank cools the internal medium to obtain the cold source medium. According to the temperature of the heat source medium, the temperature of the cold source medium, and the medium temperature required for detection, it is divided into the following situations: ① When the required medium temperature is higher than the temperature of the heat source medium, the heating tank continues to heat the heat source medium and monitors it through the second thermometer, so that the temperature of the heat source medium rises to the required temperature, and then circulates the heat source medium of the required temperature to the pump under test through the first hot water pipe and the second hot water pipe, and monitors it through the first thermometer; ② When the required medium temperature is lower than the temperature of the cold source medium, the refrigeration tank continues to refrigerate the cold source medium and monitors it through the third thermometer, so that the temperature of the cold source medium drops to the required temperature, and then the cold source medium of the required temperature is circulated and transported to the pump under test through the first cold water pipe and the second cold water pipe, and monitored by the first thermometer; ③ When the required medium temperature is detected to be higher than the temperature of the cold source medium and lower than the temperature of the heat source medium, the cold source medium in the refrigeration tank is transported to the heating tank through the water supply module, so that the temperature of the heat source medium in the heating tank drops to the required temperature, and then the heat source medium of the required temperature is circulated and transported to the pump under test through the first hot water pipe and the second hot water pipe, and monitored by the first thermometer.

[0010] The present invention is further configured as follows: before changing the medium temperature required for detection by the pump detection device, the temperature of the pump to be tested must be adjusted to be consistent with the ambient temperature in the environmental test chamber, and the following operation is performed: S1: First, cool or heat the pump under test so that the temperature difference between the pump under test and the ambient temperature in the environmental test chamber is controlled within 20 degrees; according to the temperature of the heat source medium, the temperature of the cold source medium, the temperature of the pump under test, and the ambient temperature in the environmental test chamber, it is divided into the following situations: ① When the temperature of the pump under test is the temperature of the heat source medium, first stop supplying the heat source medium to the pump under test, and instead supply the cold source medium to the pump under test to cool the pump under test, so that the difference between the temperature of the pump under test and the ambient temperature in the environmental test chamber is controlled within 20 degrees; ② When the temperature of the pump under test is the temperature of the cold source medium, first stop supplying the cold source medium to the pump under test, and instead supply the heat source medium to the pump under test, so that the pump under test is heated, and the difference between the temperature of the pump under test and the ambient temperature in the environmental test chamber is controlled within 20 degrees; S2: Open the cooling water control solenoid valve, close the first hot water control solenoid valve, the second hot water control solenoid valve, the first cold water control solenoid valve and the second cold water control solenoid valve, so that the medium is circulated and cooled or circulated and heated in the circulation route formed by the outlet end of the pump under test, the outlet pipe, part of the second cold water pipe, the cooling pipe, part of the first hot water pipe, the water inlet pipe and the water inlet end of the pump under test, and at the same time, through the monitoring of the first thermometer, open the first hot water control solenoid valve or the first cold water control solenoid valve to inject the heat source medium or the cold source medium into the circulating medium, and at the same time, open the second hot water control solenoid valve or the second cold water control solenoid valve to discharge the excess medium in the circulation route, and through the monitoring of the first thermometer, the difference between the medium temperature in the circulation route and the ambient temperature in the environmental test chamber is controlled within 5 degrees; S3: Stop the flow of the medium and adjust the temperature of the pump under test to be consistent with the ambient temperature in the environmental test chamber through the penetration of the ambient temperature in the environmental test chamber.

[0011] The present invention is further configured as follows: when the pump detection device is replaced with a different medium for detection, the pump detection device performs the following cleaning steps: S1: only open the two second control solenoid valves, open the first hot water control solenoid valve, open the second cold water control solenoid valve, open the fourth control solenoid valve, turn on the filling pump, turn on the pump to be tested, so that the medium flows along the liquid storage tank, the second pipeline, the heating tank, the first hot water pipe, the water inlet pipe, the pump to be tested, the water outlet pipe, the second cold water pipe, the refrigeration tank, the second water pipe, and the fourth pipeline to the wastewater collection tank; S2: On the basis of step S1, close the second control solenoid valve, close the fourth control solenoid valve, close the filling pump, open the first control solenoid valve, open the third control solenoid valve, start the cleaning pump and the extraction pump, so that the tap water flows along the cleaning pump, the third pipeline, the first water pipe, the heating tank, the first hot water pipe, the water inlet pipe, the pump under test, the water outlet pipe, the second cold water pipe, the refrigeration tank, the second water pipe, the first pipeline, and the liquid storage tank, so that the heating tank, the refrigeration tank, and the liquid storage tank are filled with tap water; S3: On the basis of step S2, close the third control solenoid valve, open the second control solenoid valve, turn on the filling pump, and turn on the cooling water control solenoid valve, so that tap water circulates and cleans along the first water pipe, the heating tank, the first hot water pipe, the cooling pipe and the constant temperature module, the second cold water pipe, the refrigeration tank, the second water pipe, the first pipeline, the liquid storage tank, the second pipeline, and the first water pipe; S4: only open the first hot water control solenoid valve, open the second hot water control solenoid valve, and turn on the pump to be tested, so that tap water circulates along the heating tank, the first hot water pipe, the water inlet pipe, the pump to be tested, the water outlet pipe, and the second hot water pipe for cleaning; S5: only open the first cold water control solenoid valve, open the second cold water control solenoid valve, and turn on the pump to be tested, so that the tap water circulates along the refrigeration tank, the first cold water pipe, the water inlet pipe, the pump to be tested, the water outlet pipe, and the second cold water pipe for cleaning; S6: Repeat the operation of step S1 to allow the tap water to flow into the wastewater collection tank.

[0012] The present invention is further configured as follows: the environmental test box comprises a box body with a accommodating space, a mounting platform is provided in the box body for the pump to be tested to be placed and fixed by bolts, the water inlet pipe is provided on one side of the box body, the water outlet pipe is provided on the other side of the box body and is aligned with the water inlet pipe, and the central axis of the water inlet end of the pump to be tested coincides with the central axis of the water outlet end; flanges are provided on the water inlet end of the pump to be tested and the water outlet end of the pump to be tested, and a plug-in kit is provided at one end of the water inlet pipe located in the environmental test box and at one end of the water outlet pipe located in the environmental test box for the flange to be embedded in to achieve connection and sealing; the plug-in kit comprises a connecting pipe threadedly connected to the end of the water inlet pipe or the water outlet pipe, a telescopic pipe telescopically arranged on the connecting pipe, a flexible annular sealing sleeve arranged between the telescopic pipe and the connecting pipe and sealing during the telescopic process of the telescopic pipe, an embedding seat is provided on the telescopic pipe for the flange to be embedded in, and a rubber sealing ring is provided at the bottom of the embedding seat for achieving sealing after the flange is embedded; a driving mechanism is provided between the mounting platform and the two telescopic pipes to drive the two telescopic pipes to move closer to or away from each other.

[0013] By adopting the above technical solution, when the pump under test is installed between the water inlet pipe and the water outlet pipe of the constant temperature module, the two telescopic tubes are first moved away from each other by the driving mechanism, and then the water pump is placed on the mounting table, and then the two telescopic tubes are moved closer to each other by the driving mechanism, so that the flanges of the water inlet end and the water outlet end of the pump under test are embedded in the embedding seat and sealed by the rubber sealing ring, which facilitates the disassembly and assembly of the pump under test.

[0014] The present invention is further configured as follows: an annular ring is threadedly connected to the circumferential side of the connecting pipe, a plurality of guide shafts passing through the annular ring are arranged on the embedding seat, a first compression spring with two ends for pressing against between the annular ring and the embedding seat is sleeved on the connecting pipe, and the first compression spring is located outside the plurality of guide shafts; the mounting platform is provided with a telescopic groove at the mounting position of the measured pump, the driving mechanism comprises a pressing block telescopically arranged in the telescopic groove, a second compression spring arranged in the telescopic groove and with two ends pressing against between the pressing block and the bottom of the telescopic groove, two limit brackets arranged on both sides of the pressing block, a ferrule arranged on the limit bracket and upwardly buckled on the lower end of the embedding seat in the initial state, and a suction cup adsorption mechanism arranged between the connecting pipe and the plurality of guide shafts; in the process that the pressing block moves downward under the gravity of the measured pump, the limit bracket moves downward so that the ferrule is separated from the lower end of the embedding seat, the suction cup adsorption mechanism is gradually separated under the resetting action of the first compression spring, and the telescopic tube moves toward the flange close to the measured valve under the action of the first compression spring, and the flange of the measured valve is embedded in the embedding seat for connection and sealing.

[0015] By adopting the above technical solution, by setting the first compression spring, after the first compression spring is compressed, the two telescopic tubes have a tendency to move in a direction close to each other, and at the same time in the driving mechanism, when the pump under test is placed on the mounting table, the pump under test presses the pressing block and compresses the second compression spring, the ferrule is separated from the lower end of the embedding seat, and the suction cup adsorption mechanism is gradually stuck after a period of time, so that the telescopic tube moves under the resetting action of the first compression spring, and the flanges at the water inlet and outlet ends of the pump under test are embedded in the embedding seat and sealed by the rubber sealing ring; in this process, the setting of the suction cup adsorption mechanism makes it necessary for the first compression spring to allow a period of time to separate the suction cup adsorption mechanism after the ferrule releases the limit on the embedding seat, and then drive the telescopic tube to move, so as to provide sufficient time for the placement and adjustment of the position of the pump under test.

[0016] The present invention is further configured as follows: the suction cup adsorption mechanism includes a first annular plate arranged on the connecting tube, a second annular plate arranged at one end of a plurality of guide shafts passing through the annular ring, and a plurality of flexible suction cups arranged on the second annular plate and used for adsorbing on the first annular plate.

[0017] By adopting the above technical solution, a plurality of flexible suction cups are arranged to be adsorbed on the first annular plate, so that after the ferrule releases the limit on the embedded seat, the first compression spring will not immediately drive the telescopic tube to move, and the first compression spring must first overcome the adsorption force between the plurality of flexible suction cups and the first annular plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of Example 1; Figure 2It is a schematic diagram of the partial structure of the thermostatic module in Example 2; Figure 3 yes Figure 2 A partial enlarged view of point A.

[0019] Figure numerals: 11, environmental test chamber; 111, box; 112, mounting platform; 12, water inlet pipe; 13, water outlet pipe; 14, first thermometer; 15, first pressure gauge; 16, second pressure gauge; 17, flow meter; 21, heating tank; 22, first hot water pipe; 23, first hot water control solenoid valve; 24, second hot water pipe; 25, second hot water control solenoid valve; 26, first density meter; 27, first water pipe; 31, refrigeration tank; 32, first cold water pipe; 33, first cold water control solenoid valve; 34, second cold water pipe; 35, second cold water control solenoid valve; 36, second density meter; 37, second water pipe; 41, liquid storage tank; 42, first pipeline; 43, extraction pump; 44, first control solenoid valve; 45 , the second pipeline; 46, the filling pump; 47, the second control solenoid valve; 51, the cooling pipe; 52, the cooling water control solenoid valve; 61, the cleaning pump; 62, the third pipeline; 63, the third control solenoid valve; 64, the wastewater collection tank; 65, the fourth pipeline; 66, the fourth control solenoid valve; 7, the pump under test; 71, the flange; 81, the connecting pipe; 811, the annular ring; 82, the telescopic tube; 821, the embedded seat; 822, the rubber sealing ring; 823, the guide shaft; 83, the flexible annular sealing sleeve; 84, the first compression spring; 91, the pressing block; 92, the second compression spring; 93, the limit bracket; 94, the ferrule; 95, the suction cup adsorption mechanism; 951, the first annular plate; 952, the second annular plate; 953, the flexible suction cup. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0021] Embodiment 1: A pump detection device capable of controlling ambient temperature and medium temperature, such as Figure 1 As shown, it includes a constant temperature module, a hot water supply module, a cold water supply module, a water supply module, a cooling module, and a cleaning module.

[0022] like Figure 1As shown, the constant temperature module includes an environmental test box 11 with controllable temperature, an inlet pipe 12 arranged at one side of the environmental test box 11 and extending into the environmental test box 11, an outlet pipe 13 arranged at the other side of the environmental test box 11 and extending into the environmental test box 11, a first thermometer 14 arranged on the inlet pipe 12 and located in the environmental test box 11, a first pressure gauge 15 arranged on the inlet pipe 12 and located in the environmental test box 11, a second pressure gauge 16 arranged on the outlet pipe 13 and located in the environmental test box 11, and a flow meter 17 arranged on the outlet pipe 13 outside the environmental test box 11. During the test, the pump 7 under test is installed in the environmental test box 11 and connected between the inlet pipe 12 and the outlet pipe 13.

[0023] like Figure 1 As shown, the hot water supply module includes a heating tank 21 with a second thermometer, a first hot water pipe 22 arranged between the heating tank 21 and the water inlet pipe 12, a first hot water control solenoid valve 23 arranged on the first hot water pipe 22, a second hot water pipe 24 arranged between the water outlet pipe 13 and the heating tank 21, a second hot water control solenoid valve 25 arranged on the second hot water pipe 24, and a first density meter 26 arranged on the second hot water pipe 24.

[0024] like Figure 1 As shown, the cold water supply module includes a refrigeration tank 31 with a third thermometer, a first cold water pipe 32 arranged between the refrigeration tank 31 and the water inlet pipe 12, a first cold water control solenoid valve 33 arranged on the first cold water pipe 32, a second cold water pipe 34 arranged between the water outlet pipe 13 and the refrigeration tank 31, a second cold water control solenoid valve 35 arranged on the second cold water pipe 34, and a second density meter 36 arranged on the second cold water pipe 34.

[0025] like Figure 1 As shown, the water supply module is connected between the refrigeration tank 31 and the heating tank 21 and is used to transport the cold water in the refrigeration tank 31 to the heating tank 21. The heating tank 21 is provided with a first water pipe 27, and the refrigeration tank 31 is provided with a second water pipe 37; the water supply module includes a liquid storage tank 41, a first pipeline 42 provided between the liquid storage tank 41 and the second water pipe 37, an extraction pump 43 provided in the middle of the first pipeline 42, two first control solenoid valves 44 provided on the first pipeline 42 and located at both ends of the extraction pump 43, a second pipeline 45 provided between the liquid storage tank 41 and the first water pipe 27, a charging pump 46 provided in the middle of the second pipeline 45, and two second control solenoid valves 47 provided on the second pipeline 45 and located at both ends of the charging pump 46.

[0026] like Figure 1As shown, the cooling module includes a cooling pipe 51 and a cooling water control solenoid valve 52 arranged on the cooling pipe 51, one end of the cooling pipe 51 is connected to the second cold water pipe 34 and the connection point is located between the water outlet pipe 13 and the second cold water control solenoid valve 35, and the other end of the cooling pipe 51 is connected to the first hot water pipe 22 and the connection point is located between the water inlet pipe 12 and the first hot water control solenoid valve 23.

[0027] like Figure 1 As shown, the cleaning module is used to add cleaning water into the heating tank 21 and output the cleaning water from the refrigeration tank 31. The cleaning module includes a cleaning pump 61 for connecting tap water, a third pipeline 62 provided between the cleaning pump 61 and the first pipeline 42, a third control solenoid valve 63 provided on the third pipeline 62, a wastewater collection tank 64, a fourth pipeline 65 connected between the second water pipe 37 and the wastewater collection tank 64, and a fourth control solenoid valve 66 provided on the fourth pipeline 65.

[0028] The required medium temperature control of the pump detection device includes the following steps: S1: first, the pump 7 to be tested is installed between the water inlet pipe 12 and the water outlet pipe 13, and the temperature of the environmental test box 11 is adjusted to control the ambient temperature of the pump 7 to be tested; S2: the heating tank 21 heats the internal medium to obtain the heat source medium, and the refrigeration tank 31 refrigerates the internal medium to obtain the cold source medium. According to the temperature of the heat source medium, the temperature of the cold source medium, and the required medium temperature, the following situations are divided: ① When the required medium temperature is higher than the temperature of the heat source medium, the heating tank 21 continues to heat the heat source medium and monitors it through the second thermometer so that the temperature of the heat source medium rises to the required temperature, and then the heat source medium of the required temperature is circulated to the pump 7 to be tested through the first hot water pipe 22 and the second hot water pipe 24, and the heat source medium of the required temperature is circulated to the pump 7 to be tested. ① When the required medium temperature is detected to be lower than the temperature of the cold source medium, the refrigeration tank 31 continues to refrigerate the cold source medium and monitors it through the third thermometer, so that the temperature of the cold source medium drops to the required temperature, and then the cold source medium of the required temperature is circulated to the measured pump 7 through the first cold water pipe 32 and the second cold water pipe 34, and monitored by the first thermometer 14; ③ When the required medium temperature is detected to be higher than the cold source medium and lower than the temperature of the heat source medium, the cold source medium in the refrigeration tank 31 is transported to the heating tank 21 through the water supply module, so that the temperature of the heat source medium in the heating tank 21 drops to the required temperature, and then the heat source medium of the required temperature is circulated to the measured pump 7 through the first hot water pipe 22 and the second hot water pipe 24, and monitored by the first thermometer 14.

[0029] Before changing the medium temperature required for detection by the pump detection device, the temperature of the tested pump 7 must be adjusted to be consistent with the ambient temperature in the environmental test box 11, and the following operations are performed: S1: First, cool or heat the tested pump 7 so that the temperature difference between the tested pump 7 and the ambient temperature in the environmental test box 11 is controlled within 20 degrees; according to the temperature of the heat source medium, the temperature of the cold source medium, the temperature of the tested pump 7, and the ambient temperature in the environmental test box 11, the following situations are divided: ① When the temperature of the tested pump 7 is the temperature of the heat source medium, First, stop supplying the heat source medium to the tested pump 7, and supply the cold source medium to the tested pump 7 instead, so that the tested pump 7 is cooled, so that the temperature difference between the tested pump 7 and the ambient temperature in the environmental test box 11 is controlled within 20 degrees; ② When the temperature of the tested pump 7 is the temperature of the cold source medium, first stop supplying the cold source medium to the tested pump 7, and supply the heat source medium to the tested pump 7 instead, so that the tested pump 7 is heated, so that the temperature difference between the tested pump 7 and the ambient temperature in the environmental test box 11 is controlled within 20 degrees; S2: Turn on the cold source medium. The cooling water control solenoid valve 52 closes the first hot water control solenoid valve 23, the second hot water control solenoid valve 25, the first cold water control solenoid valve 33 and the second cold water control solenoid valve 35, so that the medium is cyclically cooled or cyclically heated in the circulation route formed by the water outlet of the measured pump 7, the water outlet pipe 13, part of the second cold water pipe 34, the cooling pipe 51, part of the first hot water pipe 22, the water inlet pipe 12 and the water inlet of the measured pump 7. At the same time, the first hot water control solenoid valve 23 or the first cold water control solenoid valve is opened through the monitoring of the first thermometer 14. The magnetic valve 33 injects the heat source medium or the cold source medium into the circulating medium, and at the same time opens the second hot water control solenoid valve 25 or the second cold water control solenoid valve 35 to discharge the excess medium in the circulation route, and through the monitoring of the first thermometer 14, the difference between the medium temperature in the circulation route and the ambient temperature in the environmental test box 11 is controlled within 5 degrees; S3: Stop the flow of the medium, and adjust the temperature of the pump 7 under test to be consistent with the ambient temperature in the environmental test box 11 through the penetration of the ambient temperature in the environmental test box 11.

[0030] When the pump detection device is replaced with a different medium for detection, the pump detection device performs the following cleaning steps: S1: only open the two second control solenoid valves 47, open the first hot water control solenoid valve 23, open the second cold water control solenoid valve 35, open the fourth control solenoid valve 66, open the filling pump 46, and open the pump 7 to be tested, so that the medium flows along the liquid storage tank 41, the second pipeline 45, the heating tank 21, the first hot water pipe 22, the water inlet pipe 12, the pump 7 to be tested, the water outlet pipe 13, the second cold water pipe 34, the refrigeration tank 31, the second water pipe 37, and the fourth pipeline 65 to the wastewater collection S2: Based on step S1, close the second control solenoid valve 47, close the fourth control solenoid valve 66, close the filling pump 46, open the first control solenoid valve 44, open the third control solenoid valve 63, start the cleaning pump 61 and the extraction pump 43, so that the tap water flows along the cleaning pump 61, the third pipeline 62, the first water pipe 27, the heating tank 21, the first hot water pipe 22, the water inlet pipe 12, the tested pump 7, the water outlet pipe 13, the second cold water pipe 34, the refrigeration tank 31, the second water pipe 37, the first pipeline 42, and the liquid storage tank 41, so that the heating tank 21, ... The cold tank 31 and the liquid storage tank 41 are filled with tap water; S3: on the basis of step S2, the third control solenoid valve 63 is closed, the second control solenoid valve 47 is opened, the filling pump 46 is opened, and the cooling water control solenoid valve 52 is opened, so that the tap water circulates along the first water pipe 27, the heating tank 21, the first hot water pipe 22, the cooling pipe 51 and the constant temperature module, the second cold water pipe 34, the refrigeration tank 31, the second water pipe 37, the first pipeline 42, the liquid storage tank 41, the second pipeline 45, and the first water pipe 27 for cleaning; S4: only the first hot water control solenoid valve 23 is opened, the second hot water control solenoid valve 23 is opened, and the second hot water control solenoid valve 23 is opened. The water controls the solenoid valve 25 and opens the pump 7 under test, so that the tap water circulates and cleans along the heating tank 21, the first hot water pipe 22, the water inlet pipe 12, the pump 7 under test, the water outlet pipe 13, and the second hot water pipe 24; S5: only open the first cold water control solenoid valve 33, open the second cold water control solenoid valve 35, and open the pump 7 under test, so that the tap water circulates and cleans along the refrigeration tank 31, the first cold water pipe 32, the water inlet pipe 12, the pump 7 under test, the water outlet pipe 13, and the second cold water pipe 34; S6: repeat the operation of step S1 to allow the tap water to flow into the wastewater collection tank 64.

[0031] Embodiment 2: A pump detection device capable of controlling ambient temperature and medium temperature, such as Figures 1 to 3As shown, the difference from Example 1 is that: the environmental test box 11 includes a box body 111 with a accommodating space, and a mounting table 112 is provided in the box body 111 for placing the pump 7 under test and fixing it by bolts, the water inlet pipe 12 is provided on one side of the box body 111, and the water outlet pipe 13 is provided on the other side of the box body 111 and aligned with the water inlet pipe 12, and the central axis of the water inlet end and the central axis of the water outlet end of the pump 7 under test coincide with each other. Flanges 71 are provided on the water inlet end and the water outlet end of the pump 7 under test, and a plug-in kit is provided on the end of the water inlet pipe 12 located in the environmental test box 11 and the end of the water outlet pipe 13 located in the environmental test box 11 for the flange 71 to be embedded in to achieve connection and sealing. The plug-in kit includes a connecting pipe 81 threadedly connected to the end of the water inlet pipe 12 or the water outlet pipe 13, a telescopic pipe 82 telescopically arranged on the connecting pipe 81, and a flexible annular sealing sleeve 83 arranged between the telescopic pipe 82 and the connecting pipe 81 and sealing during the telescopic process of the telescopic pipe 82. The telescopic pipe 82 is provided with an embedding seat 821 for the flange 71 to be embedded, and the bottom of the embedding seat 821 is provided with a rubber sealing ring 822 for sealing after the flange 71 is embedded; a driving mechanism for driving the two telescopic pipes 82 to move closer to or away from each other is provided between the mounting platform 112 and the two telescopic pipes 82. When the telescopic pipe 82 is connected to the pump 7 to be tested after being telescoped, the flexible annular sealing sleeve 83 is just unfolded.

[0032] like Figure 2 and Figure 3As shown, the peripheral side of the connecting pipe 81 is threadedly connected with an annular ring 811, and the embedded seat 821 is provided with a plurality of guide shafts 823 passing through the annular ring 811. The connecting pipe 81 is sleeved with a first compression spring 84 with two ends for pressing tightly between the annular ring 811 and the embedded seat 821, and the first compression spring 84 is located outside the plurality of guide shafts 823. The mounting platform 112 is provided with a telescopic groove at the mounting position of the measured pump 7, and the driving mechanism includes a pressing block 91 telescopically arranged in the telescopic groove, a second compression spring 92 arranged in the telescopic groove and with two ends pressed tightly between the pressing block 91 and the bottom of the telescopic groove, two limit brackets 93 arranged on both sides of the pressing block 91, a clamping sleeve 94 arranged on the limit bracket 93 and buckled upwardly at the lower end of the embedded seat 821 in the initial state, and a suction cup adsorption mechanism 95 arranged between the connecting pipe 81 and the plurality of guide shafts 823. When the pressing block 91 moves downward under the gravity of the pump 7 to be tested, the limiting bracket 93 moves downward to separate the ferrule 94 from the lower end of the embedding seat 821, and the suction cup adsorption mechanism 95 gradually separates under the reset action of the first compression spring 84. The telescopic tube 82 moves toward the flange 71 close to the valve to be tested under the action of the first compression spring 84, and the flange 71 of the valve to be tested is embedded in the embedding seat 821 for connection and sealing. At the same time, the suction cup adsorption mechanism 95 includes a first annular plate 951 arranged on the connecting tube 81, a second annular plate 952 arranged at one end of the plurality of guide shafts 823 passing through the annular ring 811, and a plurality of flexible suction cups 953 arranged on the second annular plate 952 and used for adsorbing on the first annular plate 951.

[0033] Implementation effect: When the pump 7 under test is installed between the water inlet pipe 12 and the water outlet pipe 13 of the constant temperature module, the two telescopic tubes 82 are first moved away from each other through the driving mechanism, and then the water pump is placed on the mounting platform 112, and then the two telescopic tubes 82 are moved closer to each other through the driving mechanism, so that the flanges 71 at the water inlet and outlet ends of the pump 7 under test are embedded in the embedding seat 821 and sealed by the rubber sealing ring 822, which facilitates the disassembly and assembly of the pump 7 under test.

[0034] By setting the first compression spring 84, after the first compression spring 84 is compressed, the two telescopic tubes 82 have a tendency to move towards each other. At the same time, in the driving mechanism, when the pump 7 to be tested is placed on the mounting table 112, the pump 7 to be tested presses the pressing block 91 and compresses the second compression spring 92, the sleeve 94 is separated from the lower end of the embedding seat 821, and the suction cup adsorption mechanism 95 is gradually stuck after a period of time, so that the telescopic tube 82 moves under the reset action of the first compression spring 84, so that the flanges 71 at the water inlet and outlet ends of the pump 7 to be tested are embedded in the embedding seat 821 and sealed by the rubber sealing ring 822; in this process, the setting of the suction cup adsorption mechanism 95 makes it necessary for the first compression spring 84 to wait for a period of time after the sleeve 94 releases the limit on the embedding seat 821, so that the suction cup adsorption mechanism 95 is separated, and then the telescopic tube 82 is driven to move, so as to provide sufficient time for the placement and adjustment of the position of the pump 7 to be tested. By setting up multiple flexible suction cups 953 to be adsorbed on the first annular plate 951, after the sleeve 94 releases the limit on the embedded seat 821, the first compression spring 84 will not immediately drive the telescopic tube 82 to move. The first compression spring 84 must first overcome the adsorption force between the multiple flexible suction cups 953 and the first annular plate 951.

[0035] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A pump detection device capable of controlling ambient temperature and medium temperature, Features: Including constant temperature module, hot water supply module, cold water supply module, water supply module, cooling module and cleaning module; The constant temperature module comprises an environmental test box (11) capable of controlling temperature, a water inlet pipe (12) arranged at one side of the environmental test box (11) and extending into the environmental test box (11), a water outlet pipe (13) arranged at the other side of the environmental test box (11) and extending into the environmental test box (11), a first thermometer (14) arranged on the water inlet pipe (12) and located in the environmental test box (11), a first pressure gauge (15) arranged on the water inlet pipe (12) and located in the environmental test box (11), a second pressure gauge (16) arranged on the water outlet pipe (13) and located in the environmental test box (11), and a flow meter (17) arranged on the water outlet pipe (13) and located outside the environmental test box (11); during testing, the pump (7) to be tested is installed in the environmental test box (11) and connected between the water inlet pipe (12) and the water outlet pipe (13); The hot water supply module comprises a heating tank (21) with a second thermometer, a first hot water pipe (22) arranged between the heating tank (21) and a water inlet pipe (12), a first hot water control solenoid valve (23) arranged on the first hot water pipe (22), a second hot water pipe (24) arranged between the water outlet pipe (13) and the heating tank (21), a second hot water control solenoid valve (25) arranged on the second hot water pipe (24), and a first density meter (26) arranged on the second hot water pipe (24); The cold water supply module comprises a refrigeration tank (31) with a third thermometer, a first cold water pipe (32) arranged between the refrigeration tank (31) and a water inlet pipe (12), a first cold water control solenoid valve (33) arranged on the first cold water pipe (32), a second cold water pipe (34) arranged between the water outlet pipe (13) and the refrigeration tank (31), a second cold water control solenoid valve (35) arranged on the second cold water pipe (34), and a second density meter (36) arranged on the second cold water pipe (34); The water supply module is connected between the refrigeration tank (31) and the heating tank (21) and is used to transport cold water in the refrigeration tank (31) to the heating tank (21); The cleaning module is used to add cleaning water into the heating tank (21) and to allow the cleaning water to be output from the refrigeration tank (31).

2. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 1, Features: The heating tank (21) is provided with a first water pipe (27), and the cooling tank (31) is provided with a second water pipe (37); the water supply module comprises a liquid storage tank (41), a first pipeline (42) provided between the liquid storage tank (41) and the second water pipe (37), an extraction pump (43) provided in the middle of the first pipeline (42), two first control solenoid valves (44) provided on the first pipeline (42) and located at both ends of the extraction pump (43), a second pipeline (45) provided between the liquid storage tank (41) and the first water pipe (27), a charging pump (46) provided in the middle of the second pipeline (45), and two second control solenoid valves (47) provided on the second pipeline (45) and located at both ends of the charging pump (46).

3. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 2, Features: The cooling module comprises a cooling pipe (51) and a cooling water control solenoid valve (52) arranged on the cooling pipe (51); one end of the cooling pipe (51) is connected to the second cold water pipe (34) and the connection point is located between the water outlet pipe (13) and the second cold water control solenoid valve (35); the other end of the cooling pipe (51) is connected to the first hot water pipe (22) and the connection point is located between the water inlet pipe (12) and the first hot water control solenoid valve (23).

4. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 3, Features: The cleaning module comprises a cleaning pump (61) for connecting to tap water, a third pipeline (62) arranged between the cleaning pump (61) and the first pipeline (42), a third control solenoid valve (63) arranged on the third pipeline (62), a wastewater collection tank (64), a fourth pipeline (65) connected between the second water pipe (37) and the wastewater collection tank (64), and a fourth control solenoid valve (66) arranged on the fourth pipeline (65).

5. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 4, Features: The required medium temperature control of the pump detection device includes the following steps: S1: First, the pump under test (7) is installed between the water inlet pipe (12) and the water outlet pipe (13), and the temperature of the environmental test chamber (11) is adjusted to control the ambient temperature of the pump under test (7); S2: The heating tank (21) heats the medium inside to obtain a heat source medium, and the cooling tank (31) cools the medium inside to obtain a cold source medium. According to the temperature of the heat source medium, the temperature of the cold source medium, and the temperature of the medium required for detection, the following situations are classified: ① When the required medium temperature is detected to be higher than the temperature of the heat source medium, the heating tank (21) continues to heat the heat source medium and monitors it through the second thermometer, so that the temperature of the heat source medium rises to the required temperature, and then the heat source medium at the required temperature is circulated and transported to the pump (7) under test through the first hot water pipe (22) and the second hot water pipe (24), and monitored by the first thermometer (14); ② When the temperature of the required medium is detected to be lower than the temperature of the cold source medium, the refrigeration tank (31) continues to refrigerate the cold source medium and monitors it through the third thermometer, so that the temperature of the cold source medium drops to the required temperature, and then the cold source medium at the required temperature is circulated and transported to the pump (7) under test through the first cold water pipe (32) and the second cold water pipe (34), and monitored by the first thermometer (14); ③ When the temperature of the medium required for detection is higher than the temperature of the cold source medium and lower than the temperature of the heat source medium, the cold source medium in the refrigeration tank (31) is transported to the heating tank (21) through the water supply module, so that the temperature of the heat source medium in the heating tank (21) drops to the required temperature, and then the heat source medium at the required temperature is circulated and transported to the pump (7) under test through the first hot water pipe (22) and the second hot water pipe (24), and monitored by the first thermometer (14).

6. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 5, Features: Before changing the medium temperature required for the pump detection device, the temperature of the pump under test (7) must be adjusted to be consistent with the ambient temperature in the environmental test chamber (11), and the following operations are performed: S1: First, the pump under test (7) is cooled or heated so that the temperature difference between the pump under test (7) and the ambient temperature in the environmental test chamber (11) is controlled within 20 degrees; according to the temperature of the heat source medium, the temperature of the cold source medium, the temperature of the pump under test (7), and the ambient temperature in the environmental test chamber (11), the following situations are classified: ① When the temperature of the pump under test (7) is the temperature of the heat source medium, first stop supplying the heat source medium to the pump under test (7), and supply the cold source medium to the pump under test (7) to cool the pump under test (7), so that the difference between the temperature of the pump under test (7) and the ambient temperature in the environmental test chamber (11) is controlled within 20 degrees; ② When the temperature of the pump under test (7) is the temperature of the cold source medium, first stop supplying the cold source medium to the pump under test (7), and instead supply the heat source medium to the pump under test (7), so that the pump under test (7) is heated, so that the difference between the temperature of the pump under test (7) and the ambient temperature in the environmental test chamber (11) is controlled within 20 degrees; S2: opening the cooling water control solenoid valve (52), closing the first hot water control solenoid valve (23), the second hot water control solenoid valve (25), the first cold water control solenoid valve (33) and the second cold water control solenoid valve (35), so that the medium is circulated and cooled or circulated and heated in a circulation route formed by the outlet of the pump (7) under test, the outlet pipe (13), a part of the second cold water pipe (34), the cooling pipe (51), a part of the first hot water pipe (22), the water inlet pipe (12) and the water inlet of the pump (7) under test, and at the same time, through monitoring by the first thermometer (14), opening the first hot water control solenoid valve (23) or the first cold water control solenoid valve (33) to inject a heat source medium or a cold source medium into the circulating medium, and at the same time, opening the second hot water control solenoid valve (25) or the second cold water control solenoid valve (35) to discharge excess medium in the circulation route, and through monitoring by the first thermometer (14), controlling the difference between the temperature of the medium in the circulation route and the ambient temperature in the environmental test chamber (11) to be within 5 degrees; S3: Stop the flow of the medium, and adjust the temperature of the pump (7) under test to be consistent with the ambient temperature in the environmental test chamber (11) through the penetration of the ambient temperature in the environmental test chamber (11).

7. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 6, Features: When the pump detection device is replaced with a different medium for detection, the pump detection device performs the following cleaning steps: S1: only the two second control solenoid valves (47) are opened, the first hot water control solenoid valve (23) is opened, the second cold water control solenoid valve (35) is opened, the fourth control solenoid valve (66) is opened, the filling pump (46) is opened, and the pump to be tested (7) is opened, so that the medium flows along the liquid storage tank (41), the second pipeline (45), the heating tank (21), the first hot water pipe (22), the water inlet pipe (12), the pump to be tested (7), the water outlet pipe (13), the second cold water pipe (34), the refrigeration tank (31), the second water pipe (37), and the fourth pipeline (65) into the wastewater collection tank (64); S2: Based on step S1, the second control solenoid valve (47), the fourth control solenoid valve (66), and the filling pump (46) are closed, the first control solenoid valve (44), the third control solenoid valve (63) are opened, and the cleaning pump (61) and the extraction pump (43) are started, so that tap water flows along the cleaning pump (61), the third pipeline (62), the first water pipe (27), the heating tank (21), the first hot water pipe (22), the water inlet pipe (12), the pump to be tested (7), the water outlet pipe (13), the second cold water pipe (34), the refrigeration tank (31), the second water pipe (37), the first pipeline (42), and the liquid storage tank (41), so that the heating tank (21), the refrigeration tank (31), and the liquid storage tank (41) are filled with tap water; S3: Based on step S2, the third control solenoid valve (63) is closed, the second control solenoid valve (47) is opened, the filling pump (46) is opened, and the cooling water control solenoid valve (52) is opened, so that tap water circulates along the first water pipe (27), the heating tank (21), the first hot water pipe (22), the cooling pipe (51) and the constant temperature module, the second cold water pipe (34), the refrigeration tank (31), the second water pipe (37), the first pipeline (42), the liquid storage tank (41), the second pipeline (45), and the first water pipe (27) for cleaning; S4: only the first hot water control solenoid valve (23), the second hot water control solenoid valve (25), and the pump to be tested (7) are opened, so that tap water circulates along the heating tank (21), the first hot water pipe (22), the water inlet pipe (12), the pump to be tested (7), the water outlet pipe (13), and the second hot water pipe (24) for cleaning; S5: only the first cold water control solenoid valve (33), the second cold water control solenoid valve (35), and the pump to be tested (7) are opened, so that tap water circulates along the refrigeration tank (31), the first cold water pipe (32), the water inlet pipe (12), the pump to be tested (7), the water outlet pipe (13), and the second cold water pipe (34) for cleaning; S6: Repeat the operation of step S1 to allow the tap water to flow into the wastewater collection tank (64).

8. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 1, Features: The environmental test box (11) comprises a box body (111) having a containing space, wherein a mounting platform (112) is provided inside the box body (111) for placing the pump (7) to be tested and then fixing the pump (7) by means of bolts, wherein the water inlet pipe (12) is provided on one side of the box body (111), and the water outlet pipe (13) is provided on the other side of the box body (111) and is aligned with the water inlet pipe (12), and the central axis of the water inlet end and the central axis of the water outlet end of the pump (7) to be tested coincide with each other; A flange (71) is provided on the water inlet end of the pump (7) under test and the water outlet end of the pump (7) under test; and a plug-in kit for embedding the flange (71) to achieve a sealed connection is provided on one end of the water inlet pipe (12) located in the environmental test chamber (11) and one end of the water outlet pipe (13) located in the environmental test chamber (11); The plug-in kit comprises a connecting pipe (81) threadedly connected to the end of a water inlet pipe (12) or a water outlet pipe (13), a telescopic pipe (82) telescopically arranged on the connecting pipe (81), and a flexible annular sealing sleeve (83) arranged between the telescopic pipe (82) and the connecting pipe (81) and sealing during the telescopic process of the telescopic pipe (82); an embedding seat (821) for embedding a flange (71) is arranged on the telescopic pipe (82); a rubber sealing ring (822) is arranged at the bottom of the embedding seat (821) for achieving sealing after the flange (71) is embedded; and a driving mechanism is arranged between the mounting platform (112) and the two telescopic pipes (82) for driving the two telescopic pipes (82) to move closer to or farther away from each other.

9. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 1, Features: The connecting tube (81) is threadedly connected to an annular ring (811) on its circumferential side, the embedding seat (821) is provided with a plurality of guide shafts (823) passing through the annular ring (811), the connecting tube (81) is sleeved with a first compression spring (84) at both ends for tightening between the annular ring (811) and the embedding seat (821), the first compression spring (84) being located outside the plurality of guide shafts (823); The mounting platform (112) is provided with a telescopic slot at the mounting position of the pump (7) to be tested, and the driving mechanism comprises a pressing block (91) telescopically arranged in the telescopic slot, a second compression spring (92) arranged in the telescopic slot and with both ends pressed against the pressing block (91) and the bottom of the telescopic slot, two limit brackets (93) arranged on both sides of the pressing block (91), a clamping sleeve (94) arranged on the limit bracket (93) and buckled upwardly on the lower end of the embedding seat (821) in the initial state, and a suction cup adsorption mechanism (95) arranged between the connecting pipe (81) and the plurality of guide shafts (823); When the pressing block (91) moves downward due to the gravity of the pump (7) to be tested, the limiting bracket (93) moves downward to separate the sleeve (94) from the lower end of the embedding seat (821), and the suction cup adsorption mechanism (95) gradually separates under the reset action of the first compression spring (84). The telescopic tube (82) moves toward the flange (71) close to the valve to be tested under the action of the first compression spring (84), and the flange (71) of the valve to be tested is embedded in the embedding seat (821) for connection and sealing.

10. A pump detection device capable of controlling ambient temperature and medium temperature according to claim 9, Features: The suction cup adsorption mechanism (95) comprises a first annular plate (951) arranged on the connecting tube (81), a second annular plate (952) arranged at one end of a plurality of guide shafts (823) passing through the annular ring (811), and a plurality of flexible suction cups (953) arranged on the second annular plate (952) and used for adsorbing on the first annular plate (951).

Images