CN216746695U - Water efficiency testing device for toilet - Google Patents

Water efficiency testing device for toilet Download PDF

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Publication number
CN216746695U
CN216746695U CN202220431463.3U CN202220431463U CN216746695U CN 216746695 U CN216746695 U CN 216746695U CN 202220431463 U CN202220431463 U CN 202220431463U CN 216746695 U CN216746695 U CN 216746695U
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water
flushing
valve
flowmeter
testing
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李剑科
陶嘉威
冯晔
翁晓伟
何军辉
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Taizhou Product Quality And Safety Inspection Research Institute
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Taizhou Product Quality And Safety Inspection Research Institute
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Abstract

The utility model discloses a water efficiency testing device of a toilet, wherein a water inlet is respectively connected with a small flushing flowmeter and a large flushing flowmeter, the small flushing flowmeter, a small flushing regulating valve, a stop valve and a small flushing water outlet are sequentially connected, and a first pressure sensor is arranged between the small flushing regulating valve and the stop valve; the large-flushing flowmeter, the large-flushing regulating valve, the large-flushing valve and the large-flushing water outlet are sequentially connected, the second pressure sensor is arranged between the large-flushing flowmeter and the large-flushing regulating valve, and the third pressure sensor is arranged between the large-flushing regulating valve and the large-flushing valve. The utility model can simultaneously meet the water efficiency detection of the pedestal pan (comprising a flushing valve type and a water tank type) and the intelligent pedestal pan and the related test requirements of the water consumption and the flushing function of the squatting pan and the flushing valve type urinal.

Description

Water efficiency testing device for toilet
Technical Field
The utility model belongs to the field of water efficiency testing, and particularly relates to a toilet bowl water efficiency testing device.
Background
Water is a basic natural resource and a strategic economic resource of the related country for people, and is a controlling element of the ecological environment. Therefore, water efficiency identification management is carried out on water products with large water-saving potential and wide application range, and a water efficiency identification system of domestic water products such as a toilet bowl, an intelligent toilet bowl, a dish washing machine, a shower, a water purifier and the like is basically established and is expanded to the fields of agriculture, industry, commercial equipment and the like.
The intelligent water efficiency related test of the toilet bowl mainly comprises six parts, namely unit cycle energy consumption, cleaning water consumption, cleaning function and seat heating function. Wherein toilet bowl and intelligent toilet bowl wash the water consumption, wash the main test items of function and include and wash the water consumption, the water seal degree of depth, water seal surface size, the minimum latus rectum of trap, the clean function, the water seal is replied, sewage replacement, discharge function (ball discharges, the granule discharges, mixed medium discharges), the toilet paper discharges, drainage pipe transport characteristic etc. two kinds of toilet bowls's test principle is the same, but because toilet bowl and intelligent toilet bowl are to the pipe diameter of test waterway system, water pressure, the flow requirement is different, can't carry out relevant experiment at same equipment, lead to needing to be equipped with different test equipment to different grade type toilet bowl. The intelligent water consumption for cleaning the toilet bowl and the cleaning function test need to provide specific water supply temperature simultaneously due to small water flow, and a set of independent test equipment is also needed. Therefore, to traditional water efficiency test equipment, need be equipped with corresponding test equipment to the different test items of different grade type toilet bowl, lead to the equipment volume huge, occupy more space, bring unchangeably for the test, also increase equipment cost simultaneously.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the technical solution of the present invention is as follows: a water efficiency testing device for toilet comprises a water supply part, a testing part, a display control part and a recovery part, wherein the display control part is respectively connected with the testing part and the recovery part, the water supply part is connected with the testing part, wherein,
the water supply part comprises a control touch screen, a water inlet pipe, a water inlet electromagnetic valve, a water storage water tank, a variable frequency water pump, a water outlet and a sewage outlet;
the testing part comprises a testing position, a small flushing pipeline and a large flushing pipeline which are arranged on the back of the testing position, the small flushing pipeline and the large flushing pipeline share one water inlet, the small flushing pipeline also comprises a small flushing flowmeter, a small flushing regulating valve, a first pressure sensor, a stop valve and a small flushing water outlet, the large flushing pipeline also comprises a large flushing flowmeter, a second pressure sensor, a large flushing regulating valve, a third pressure sensor, a large flushing valve and a large flushing water outlet,
the recovery part comprises a solid collecting box, a weighing box, an electronic scale, an ink mark electromagnetic valve, a water return electromagnetic valve and a weighing electromagnetic valve;
the output of the control touch screen is connected with a water inlet electromagnetic valve, a variable frequency water pump and a sewage outlet, the water inlet pipe, the water inlet electromagnetic valve, the water storage tank, the variable frequency water pump and the water outlet are sequentially connected, and the water storage tank is also connected with the sewage outlet;
the water inlet is respectively connected with the small flushing flowmeter and the large flushing flowmeter, the small flushing regulating valve, the stop valve and the small flushing water outlet are sequentially connected, and the first pressure sensor is arranged between the small flushing regulating valve and the stop valve; the large flushing flowmeter, the large flushing regulating valve, the large flushing valve and the large flushing water outlet are sequentially connected, the second pressure sensor is arranged between the large flushing flowmeter and the large flushing regulating valve, and the third pressure sensor is arranged between the large flushing regulating valve and the large flushing valve;
the solid collecting box, the weighing box and the electronic scale are sequentially arranged from top to bottom, and the ink mark electromagnetic valve, the water return electromagnetic valve and the weighing electromagnetic valve are all connected with the weighing box.
Preferably, the testing part also comprises a cleaning pipeline, a testing pipeline is reserved for testing the water consumption for cleaning the intelligent toilet and the cleaning function, and the testing can be carried out only by providing a constant-temperature and constant-pressure water source to the water inlet; this wash pipeline is including wasing flowmeter, fourth pressure sensor, temperature sensor, second stop valve and washing delivery port, and wherein, wash flowmeter, second stop valve and wash the delivery port and connect gradually, and fourth pressure sensor and temperature sensor all set up between washing flowmeter and second stop valve.
Preferably, the test part further comprises a waterproof socket and a corrugated pipe outlet which are arranged on the front surface of the test position.
Preferably, when the variable frequency water pump supplies water for the small flushing pipeline, dynamic pressure and static pressure can be switched, the pressure adjusting range is (0-1) MPa, and the control precision is +/-1%; the flow is controlled by a small flushing regulating valve, the regulating range (0-50) L/min is realized, and the control precision is +/-2 percent.
Preferably, when the variable frequency water pump supplies water to a large flushing pipeline, dynamic pressure and static pressure can be switched, the pressure adjusting range is (0-1) MPa, and the control precision is +/-1%; the flow is controlled by a large flushing regulating valve, the regulating range (0-100) L/min is realized, and the control precision is +/-2 percent.
Preferably, when the variable frequency water pump supplies water to the cleaning pipeline, the static pressure adjusting range (0-1) MPa, the control precision is +/-1%, the resolution ratio is 0.01MPa, and the second stop valve is adjusted to enable the water flow measured by the cleaning flowmeter to be 10-2000 mL/min.
The beneficial effects of the utility model at least comprise:
1. the device is highly integrated, can meet the requirements of multiple aspects such as water consumption, flushing function, water efficiency test and the like specified by multiple standards such as GB/T6952, GB38448, GB25502 and the like, simultaneously reserves a test pipeline for testing the water consumption for cleaning the intelligent toilet and the cleaning function, can test by only providing a constant-temperature and constant-pressure water source to the water inlet, and avoids the trouble of multiple sets of equipment in the prior art;
2. each test position is independently provided with a water pressure sensor and a water flow sensor, and can be independently set, so that the test precision is ensured to meet the standard requirement;
3. the device is skillfully provided with the water storage tank, so that on one hand, standardized and stable water supply can be provided; on the other hand, a small water storage tank is arranged at the bottom, a filter screen is arranged on the small water storage tank, when an ink line test is carried out, an ink mark electromagnetic valve can be automatically identified and opened according to a set program, and water cannot be returned to pollute a water supply device; when ball discharge and other tests are carried out, the tested medium is reserved on the filter screen, and the tested water can reenter the water storage tank after being filtered so as to achieve the purpose of saving water;
4. in the aspect of the water consumption measurement, for the accurate data measurement that carries out, set up the waterproof electronic scale of high accuracy in the bottom, place above that and collect the frame, collect the frame with the sparge water, weigh with the balance to calculate in feeding back data to PLC.
Drawings
Fig. 1 is a block diagram of a toilet water efficiency testing device according to an embodiment of the present invention;
FIG. 2 is a block diagram of a water supply unit of the toilet water efficiency testing device according to an embodiment of the present invention;
FIG. 3 is a block diagram of a testing part of a toilet water efficiency testing device according to an embodiment of the present invention;
FIG. 4 is a block diagram of a recycling portion of a toilet water efficiency testing device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a water supply unit of the toilet water efficiency testing apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a testing portion of a toilet water efficiency testing apparatus according to an embodiment of the present invention;
fig. 7 is a schematic front view of a testing portion of a toilet water efficiency testing apparatus according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 4, a block diagram of a testing apparatus for water efficiency of a toilet includes a water supply part 10, a testing part 20, a display and control part 30 and a recovery part 40, the display and control part 30 is connected to the testing part 20 and the recovery part 40, respectively, the water supply part 10 is connected to the testing part 20, wherein,
the water supply part 10 comprises a control touch screen 11, a water inlet pipe 12, a water inlet electromagnetic valve 13, a water storage tank 14, a variable frequency water pump 15, a water outlet 16 and a sewage outlet 17;
the testing part 20 comprises a testing position, a small flushing pipeline and a large flushing pipeline which are arranged on the back of the testing position, the small flushing pipeline and the large flushing pipeline share one water inlet 21, the small flushing pipeline further comprises a small flushing flowmeter 221, a small flushing regulating valve 222, a first pressure sensor 223, a stop valve 224 and a small flushing water outlet 16, and the large flushing pipeline further comprises a large flushing flowmeter 231, a second pressure sensor 232, a large flushing regulating valve 233, a third pressure sensor 234, a large flushing valve 235 and a large flushing water outlet 236;
the recovery part 40 comprises a solid collecting box 41, a weighing box 42, an electronic scale 43, an ink mark solenoid valve 44, a water return solenoid valve 45 and a weighing solenoid valve 46;
referring to fig. 2 and 5, the output of the control touch screen 11 is connected with a water inlet electromagnetic valve 13, a variable frequency water pump 15 and a sewage outlet 17, a water inlet pipe 12, the water inlet electromagnetic valve 13, a water storage tank 14, the variable frequency water pump 15 and a water outlet 16 are sequentially connected, and the water storage tank 14 is also connected with the sewage outlet 17;
referring to fig. 3, the water inlet 21 is connected to a small flush flow meter 221 and a large flush flow meter 231, respectively, the small flush flow meter 221, a small flush regulating valve 222, a shut-off valve 224 and a small flush water outlet 225 are connected in sequence, and a first pressure sensor 223 is disposed between the small flush regulating valve 222 and the shut-off valve 224; the large flushing flowmeter 231, the large flushing regulating valve 233, the large flushing valve 235 and the large flushing water outlet 236 are connected in sequence, the second pressure sensor 232 is arranged between the large flushing flowmeter 231 and the large flushing regulating valve 233, and the third pressure sensor 234 is arranged between the large flushing regulating valve 233 and the large flushing valve 235;
referring to fig. 4 and 7, the solid collecting box 41, the weighing box 42 and the electronic scale 43 are sequentially arranged from top to bottom, and the ink solenoid valve 44, the water return solenoid valve 45 and the weighing solenoid valve 46 are all connected to the weighing box 42. A filtering screen is arranged above the weighing box 42, and when a line test of the toilet stool is carried out, the used water is polluted and cannot be recycled, so that the ink mark electromagnetic valve 44 is opened, and the water in the weighing box 42 is discharged; when ball discharge, particle discharge and other tests of the toilet are performed, used water can be recovered, small balls or particles are intercepted by the filter screen, and the water return electromagnetic valve 45 is opened to recover water in the weighing box 42.
Referring to fig. 3, the testing part 20 further includes a cleaning pipeline, the cleaning pipeline includes a cleaning flow meter 241, a fourth pressure sensor 242, a temperature sensor 243, a second stop valve 244 and a cleaning water outlet 245, wherein the cleaning flow meter 241, the second stop valve 244 and the cleaning water outlet 245 are sequentially connected, and the fourth pressure sensor 242 and the temperature sensor 243 are both disposed between the cleaning flow meter 241 and the second stop valve 244.
Referring to fig. 7, the testing part 20 further includes a waterproof socket 51 and a bellows outlet 52, both disposed at the front of the testing site.
In the specific embodiment, when the variable frequency water pump 15 supplies water to the small flushing pipeline, the switching between dynamic pressure and static pressure can be performed, the pressure regulation range (0-1) MPa is realized, and the control precision is +/-1%. The flow is controlled by a small flushing regulating valve 222, the regulating range (0-50) L/min is realized, and the control precision is +/-2%. When the variable frequency water pump 15 supplies water to the large flushing pipeline, dynamic pressure and static pressure can be switched, the pressure adjusting range (0-1) MPa is realized, and the control precision is +/-1%. The flow is controlled by a large-flushing regulating valve 233, the regulating range (0-100) L/min is realized, and the control precision is +/-2%. When the variable frequency water pump 15 supplies water for the cleaning pipeline, the static pressure adjusting range is (0-1) MPa, the control precision is +/-1%, and the resolution is 0.01 MPa. The second stop valve 244 controls the flow rate of water measured by the purge flow meter 241 to be 10mL/min to 2000 mL/min.
The utility model provides two sets of standard water supply pipelines in the aspects of the water consumption for washing and the washing function test, and the water pipelines mainly comprise a variable frequency water pump 15, a flowmeter, a pressure sensor, an electromagnetic valve, an adjusting valve, a pipeline and the like. Wherein one way is used for measuring water tank formula toilet bowl and intelligent toilet bowl, names foretell little pipeline of washing, can realize following two kinds of standardized water supplies: 1) for the water tank type toilet, the touch screen 11 is controlled, the variable frequency water pump 15 is adjusted, the static pressure is adjusted to (0.14 +/-0.007) MPa, the stop valve 224 is opened, the small flushing regulating valve 222 is controlled, so that the water flow measured by the small flushing flow meter 221 is (11.4 +/-1) L/min under the dynamic pressure of (0.055 +/-0.004) MPa, the test of the stop valve 224 is kept in a fully-opened state, and after the debugging is finished, the stop valve 224 is closed to install the toilet to be tested; 2) for an intelligent toilet product, the touch screen 11 is controlled, the variable frequency water pump 15 is adjusted, the static pressure is adjusted to (0.24 +/-0.007) MPa, the small flushing regulating valve 222 is opened and controlled, the water flow measured by the small flushing flowmeter 221 is (35.0 +/-0.2) L/min, the stop valve 224 is kept in a fully-opened state, and after debugging is completed, the stop valve 224 is closed to install the toilet to be tested. The other path is used for measuring a flushing valve 235 type toilet structure, a squatting pan and a pressure type urinal, is named as the large flushing pipeline, and can realize the following standardized water supply: the matched flushing valve 235 is installed at the tail end of the pipeline, water pressure is detected between the large flushing flowmeter 231 and the large flushing regulating valve 233 through the second pressure sensor 232, water pressure is detected between the large flushing regulating valve 233 and the large flushing valve 235 through the third pressure sensor 234, the variable frequency water pump 15 is regulated by controlling the touch screen 11, static pressure is regulated to 0.24MPa, the flushing valve 235 is opened to a full-open state, the large flushing regulating valve 233 is controlled and regulated, so that the flow rate peak value measured by the large flushing flowmeter 231 reaches (95 +/-4) L/min, and the large flushing valve 235 is connected to the toilet to be tested.
In the aspect of the water consumption measurement, go on through recovery unit 40, the box 42 that weighs collects and holds the water yield that awaits measuring, uses electronic scale 43 to measure the water consumption numerical value that the single was washed by water, the detection range of the volume of washing water: maximum (0-60) kg, resolution 0.01 kg.
The system hardware consists of a colorful control touch screen 11+ PLC, a water path system, an air path system, an actuating mechanism and the like. The color touch screen and the PLC are adopted for communication, and water pressure and water flow are set for the PLC so as to control the water pressure and the water flow; the acquisition and control device ensures the precision, reliability, friendly interface and operability of the system; the start and stop of data display, parameter setting and the like, process monitoring and the like are realized on the touch screen; the frequency conversion speed regulation technology is adopted, so that the suitable working condition range of the multistage centrifugal pump is greatly widened, and the automatic regulation of various working conditions is realized.
In the aspect of setting, the pipeline can be designed and adjusted by a key through PLC program setting, two station water supply test beds are provided, each station can be provided with water pressure and flow, and a water consumption test system is respectively arranged; and a circulating water path is configured, so that a user can recycle water according to the requirement, and water resources are saved.
In the aspect of testing the water consumption and the cleaning function for cleaning the intelligent toilet bowl, water is supplied by a constant-temperature constant-pressure variable-frequency water source through the cleaning pipeline, the volume of effective water is not less than 100L, the water temperature control range is (5-38) DEG C, and the precision is +/-1 ℃; the resolution is 0.1 ℃; the water pressure is 0-1 MPa, the precision is +/-1 percent, and the resolution is 0.01 MPa; the flow rate of the cleaning water (10-2000) mL/min is within the precision of +/-20 mL/min; a temperature sensor 243 and a fourth pressure sensor 242 are installed between the cleaning flow meter 241 and the second stop valve 244, and the water temperature, the water pressure and the water flow rate of the water outlet 16 can be measured and controlled; the water pipe uses a water supply pipe not less than DN20 for heat preservation treatment.
System software: a windows system is adopted as a working platform, a graphical programming language of labview is used, an experimental scheme flow is designed according to standard related inspection items and process requirements, sequence actions such as signal acquisition, processing and display are programmed and driven by a data acquisition card, a well-designed human-computer interface is designed, and the functions of convenient observation and convenient operation comprise parameter setting, data curve drawing and fitting, form generation and printing and the like.
System hardware: the closed-loop control system is formed by controlling the touch screen, the pressure sensor, the PLC, the frequency converter, the water pump and the like to accurately control parameters such as water pressure, water temperature and flow, and various parameters are displayed through the touch screen on the workbench, so that experimenters can observe and record test data conveniently.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims.

Claims (6)

1. A water efficiency testing device of a toilet is characterized by comprising a water supply part, a testing part, a display and control part and a recovery part, wherein the display and control part is respectively connected with the testing part and the recovery part, the water supply part is connected with the testing part, wherein,
the water supply part comprises a control touch screen, a water inlet pipe, a water inlet electromagnetic valve, a water storage water tank, a variable frequency water pump, a water outlet and a sewage outlet;
the testing part comprises a testing position, a small flushing pipeline and a large flushing pipeline which are arranged on the back of the testing position, the small flushing pipeline and the large flushing pipeline share one water inlet, the small flushing pipeline also comprises a small flushing flowmeter, a small flushing regulating valve, a first pressure sensor, a stop valve and a small flushing water outlet, the large flushing pipeline also comprises a large flushing flowmeter, a second pressure sensor, a large flushing regulating valve, a third pressure sensor, a large flushing valve and a large flushing water outlet,
the recovery part comprises a solid collecting box, a weighing box, an electronic scale, an ink mark electromagnetic valve, a water return electromagnetic valve and a weighing electromagnetic valve;
the output of the control touch screen is connected with a water inlet electromagnetic valve, a variable frequency water pump and a sewage outlet, the water inlet pipe, the water inlet electromagnetic valve, the water storage tank, the variable frequency water pump and the water outlet are sequentially connected, and the water storage tank is also connected with the sewage outlet;
the water inlet is respectively connected with the small flushing flowmeter and the large flushing flowmeter, the small flushing regulating valve, the stop valve and the small flushing water outlet are sequentially connected, and the first pressure sensor is arranged between the small flushing regulating valve and the stop valve; the large flushing flowmeter, the large flushing regulating valve, the large flushing valve and the large flushing water outlet are sequentially connected, the second pressure sensor is arranged between the large flushing flowmeter and the large flushing regulating valve, and the third pressure sensor is arranged between the large flushing regulating valve and the large flushing valve;
the solid collecting box, the weighing box and the electronic scale are sequentially arranged from top to bottom, and the ink mark electromagnetic valve, the water return electromagnetic valve and the weighing electromagnetic valve are all connected with the weighing box.
2. The toilet bowl water efficiency testing device according to claim 1, wherein the testing part further comprises a cleaning pipeline, a testing pipeline is reserved for testing the cleaning water consumption and the cleaning function of the intelligent toilet bowl, and the testing can be performed only by providing a constant-temperature and constant-pressure water source to the water inlet; this wash pipeline is including wasing flowmeter, fourth pressure sensor, temperature sensor, second stop valve and washing delivery port, and wherein, wash flowmeter, second stop valve and wash the delivery port and connect gradually, and fourth pressure sensor and temperature sensor all set up between washing flowmeter and second stop valve.
3. The toilet bowl water efficiency testing device according to claim 1, wherein the testing part further comprises a waterproof socket and a corrugated pipe outlet which are arranged on the front surface of the testing position.
4. The toilet bowl water efficiency testing device according to claim 1, wherein when the variable frequency water pump supplies water to the small flushing pipeline, the variable frequency water pump can switch between dynamic pressure and static pressure, the pressure adjusting range is (0-1) MPa, and the control precision is +/-1%; the flow is controlled by a small flushing regulating valve, the regulating range (0-50) L/min is realized, and the control precision is +/-2 percent.
5. The toilet bowl water efficiency testing device according to claim 1, wherein when the variable frequency water pump supplies water to the large flushing pipeline, the variable frequency water pump can switch between dynamic pressure and static pressure, the pressure adjusting range is (0-1) MPa, and the control precision is +/-1%; the flow is controlled by a large flushing regulating valve, the regulating range (0-100) L/min is realized, and the control precision is +/-2 percent.
6. The toilet bowl water efficiency testing device according to claim 1, wherein when the variable frequency water pump supplies water to the cleaning pipeline, the static pressure adjusting range (0-1) MPa, the control precision is +/-1%, the resolution is 0.01MPa, and the second stop valve is adjusted to enable the water flow measured by the cleaning flowmeter to be 10-2000 mL/min.
CN202220431463.3U 2022-03-01 2022-03-01 Water efficiency testing device for toilet Active CN216746695U (en)

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CN202220431463.3U CN216746695U (en) 2022-03-01 2022-03-01 Water efficiency testing device for toilet

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Application Number Priority Date Filing Date Title
CN202220431463.3U CN216746695U (en) 2022-03-01 2022-03-01 Water efficiency testing device for toilet

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115420582A (en) * 2022-09-21 2022-12-02 九牧厨卫股份有限公司 Test body for stain resistance test, preparation method and test method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115420582A (en) * 2022-09-21 2022-12-02 九牧厨卫股份有限公司 Test body for stain resistance test, preparation method and test method thereof

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