CN105547349B - Water discharge testing device and method for heat pump water heater - Google Patents
Water discharge testing device and method for heat pump water heater Download PDFInfo
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- CN105547349B CN105547349B CN201510897524.XA CN201510897524A CN105547349B CN 105547349 B CN105547349 B CN 105547349B CN 201510897524 A CN201510897524 A CN 201510897524A CN 105547349 B CN105547349 B CN 105547349B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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Abstract
The invention provides a water discharge testing device and method for a heat pump water heater. The heat pump water heater has a water tank, and the water tank has the water inlet, and this testing arrangement that drains includes: a water supply unit; one end of the first drainage pipe is connected with the water supply unit, the other end of the first drainage pipe is provided with an opening, and a first switch valve is arranged on the first drainage pipe; and one end of the second drain pipe is connected with the water supply unit, the other end of the second drain pipe is connected with the water tank through the water inlet, and a second switch valve is arranged on the second drain pipe. Be provided with two drain pipes, consequently can utilize first drain pipe to try to turn on the water or pre-drainage before carrying out the test of draining, with the water direct discharge and not get into heat pump water heater's water tank to with the temperature not conform to the water discharge of requirement, then utilize the second drain pipe to carry out the test of draining, the temperature of the water that gets into the water tank this moment has reached the test requirement, has improved efficiency of software testing and accuracy.
Description
Technical field
The present invention relates to electric test field, discharged water test device and method in particular to a kind of Teat pump boiler.
Background technology
Teat pump boiler is also known as air-source water heater or air source hot pump water heater, and its operation principle is low in air
Warm amount be absorbed into come, by fluorine medium gasify, then by pressure build up after compressor compresses, then by heat exchanger convert to
Water heats, and high temperature heat after compression heats water temperature with this.
At present, because the COP values of Teat pump boiler are higher than 2.0W/W, with the significant effect for saving electric power, therefore
The countries such as European Union, the U.S. and Australia are used widely.Some domestic water heater manufacturers are also being gradually increased to Heat Pump
The research of hydrophone.The 10HP ultralow temperature complex laboratories that Gree is undertaken the construction of have come into operation at present, belong to first satisfaction in industry and survey
European Union, the water heater laboratory of North-America standard are tried, but existing test device and method are in European Union, the low discharge of North America outflow test
During regulation, flow, water temperature, which take long enough to adjust, arrives sets target value, it is impossible to realizes European Union (EU) No 814/2013
With the testing requirement in 2014-15656 (DOE) relevant criterion of the U.S. 868 on Teat pump boiler h outflow tests；And trying
During testing, experiment water temperature is unable to fast and stable but fluctuation up and down.
The content of the invention
It is a primary object of the present invention to provide a kind of Teat pump boiler to discharge water test device and method, to solve existing skill
The problem of test device water temperature debug time that discharges water in art is long.
To achieve these goals, according to an aspect of the invention, there is provided a kind of test that discharges water of Teat pump boiler
Device, Teat pump boiler have water tank, and water tank has water inlet, and the test device that discharges water includes：Water supplying unit；First draining
Pipe, one end are connected with water supplying unit, another end opening, and first switch valve is provided with the first drainpipe；Second drainpipe, one end
It is connected with water supplying unit, the other end is connected by water inlet with water tank, and second switch valve is provided with the second drainpipe.
Further, above-mentioned first drainpipe and the second drainpipe are in same level.
Further, the caliber of above-mentioned first drainpipe and the caliber of the second drainpipe are identical.
Further, above-mentioned first switch valve and second switch valve are pneumatic operated valve.
Further, above-mentioned water supplying unit includes：Supply tank, the first drainpipe and the second drainpipe with supply tank phase
Even；Water pump, it is arranged on the second drainpipe, water pump has the flow automatic control module for the pump speed for being used to control water pump.
Further, above-mentioned water supplying unit includes：Supply tank；Three-way pipe, with the first branch pipe, the second branch pipe and the 3rd
Pipe, the first branch pipe connect with the first drainpipe, and the second branch pipe connects with the second drainpipe, and the 3rd branch pipe connects with supply tank；Water
Pump, it is arranged on the 3rd branch pipe or the second drainpipe, water pump has the pump speed flow automatic control module for being used for controlling water pump.
According to another aspect of the present invention, there is provided a kind of method of testing that discharges water of Teat pump boiler, the test side that discharges water
Method is using the above-mentioned test device implementation that discharges water.
Further, the above-mentioned method of testing that discharges water includes：First switch valve is opened, using the first drainpipe according to pre-draining
Flow carries out pre-draining；After first scheduled time, continue with the first drainpipe and carry out examination according to standard flow discharges and discharge water；The
First switch valve is closed after two scheduled times, opens water pump and second switch valve, is discharged water stream according to standard using the second drainpipe
Amount is formally discharged water, wherein, walkthrough water-carrying capacity is less than standard flow discharges.
Further, above-mentioned walkthrough water-carrying capacity is 1.5~2.0m3/ h, preferably 1.8m3/h；First scheduled time be 45~
75s, preferably 60s.
Further, above-mentioned second scheduled time is 90~150s, preferably 120s.
Apply the technical scheme of the present invention, be provided with two drainpipes, therefore can be utilized before the test that discharge water
First drainpipe carries out examination and discharged water or pre-draining, the water tank that water is expelled directly out without entering Teat pump boiler, so as to by temperature
The discharge of undesirable water, then carries out the testing experiment that discharges water using the second drainpipe, now into water tank water water temperature
Reach test request, improve testing efficiency and accuracy.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows that the stereochemical structure of the test device that discharges water provided according to a kind of typical embodiment of the present invention is illustrated
Figure；
Fig. 2 shows the side view of the test device that discharges water shown in Fig. 1；
Fig. 3 shows the top view of the test device that discharges water shown in Fig. 1；
Fig. 4 shows the top view of the test device that discharges water provided according to a kind of preferred embodiment of the present invention；And
Fig. 5 shows the top view of the test device that discharges water provided according to another preferred embodiment of the invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
1st, water tank；2nd, water supplying unit；21st, supply tank；22nd, three-way pipe；221st, the first branch pipe；222nd, the second branch pipe；223、
3rd branch pipe；23rd, water pump；3rd, the first drainpipe；4th, first switch valve；5th, the second drainpipe；6th, second switch valve.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As described by background technology, the test device and method of prior art are in European Union, the rill of North America outflow test
During amount regulation, flow, water temperature, which take long enough to adjust, arrives sets target value, and it is longer debug time to be present, testing efficiency
The problem of reduction, in order to solve the above-mentioned technical problem, a kind of exemplary embodiment of the application, provide a kind of Teat pump boiler
Discharge water test device, and as shown in Figures 1 to 3, the Teat pump boiler has water tank 1, and water tank 1 has water inlet, and discharge water test device
Including water supplying unit 2, the first drainpipe 3 and the second drainpipe 5；One end of first drainpipe 3 is connected with water supplying unit 2, another
End opening, first switch valve 4 is provided with the first drainpipe 3；One end of second drainpipe 5 is connected with water supplying unit 2, the other end
It is connected by water inlet with water tank 1, second switch valve 6 is provided with the second drainpipe 5.
The test device that discharges water with said structure, two drainpipes are provided with, therefore the test that discharges water can carried out
It is preceding to carry out examination using the first drainpipe 3 and discharge water or pre-draining, the water tank 1 that water is expelled directly out without entering Teat pump boiler, from
And discharge the undesirable water of temperature, the testing experiment that discharges water then is carried out using the second drainpipe 5, now into water tank 1
The water temperature of water reached test request, improve testing efficiency and accuracy.
In a kind of preferred embodiment of the application, in order to avoid two drainpipes switching when due to variation in water pressure, draw
The flowed fluctuation risen, as shown in Fig. 2 it is preferred that the first drainpipe 3 and the second drainpipe 5 are in same level.
In addition, in order that pre-draining or the streamflow regime that discharges water of examination are as close with the streamflow regime of outflow test as possible, it is excellent
Select the first drainpipe 3 caliber and the second drainpipe 5 caliber it is identical.
Using the test device that discharges water of the application discharge water test when, the switching of two drainpipes can be controlled manually,
For accurate flow control, preferably above-mentioned first switch valve 4 and second switch valve 6 are pneumatic operated valve, can be realized using pneumatic operated valve
Long-range, the accurate control of switching to two drainpipes.
In the application another kind preferred embodiment, as shown in figure 3, it is preferred that above-mentioned water supplying unit 2 includes supply tank 21
With water pump 23, the first drainpipe 3 and the second drainpipe 5 are connected with supply tank 21；Water pump 23 is arranged on the second drainpipe 5,
And the water pump 23 has the automatic control module for the pump speed flow for being used to control water pump 23.Relation between pump speed and flow is write
Enter program, be placed in flow automatic control module, the pump speed of water pump 23 is controlled using flow automatic control module, and utilize
Specific pump speed obtains specific flow, makes to be rapidly achieved stabilization by the water flow that the second drainpipe 5 is entered in water tank 1.
Above-mentioned first drainpipe 3 can be connected with the second drainpipe 5 by distinct interface with supply tank 21, can also be passed through
Same interface is connected with supply tank 21.When the first drainpipe 3 and the second drainpipe 5 are connected by same interface with water supplying unit 2
When, it can effectively avoid two drainpipes in switching because water (flow) direction changes, caused unnecessary flowed fluctuation.Therefore
In the application another preferred embodiment, as shown in figure 5, above-mentioned water supplying unit 2 includes supply tank 21, three-way pipe 22 and water
Pump 23, three-way pipe 22 have the first branch pipe 221, the second branch pipe 222 and the 3rd branch pipe 223, the first branch pipe 221 and the first drainpipe
3 connections, the second branch pipe 222 connect with the second drainpipe 5, and the 3rd branch pipe 223 connects with supply tank 21；Water pump 23 is arranged on the 3rd
On the drainpipe 5 of branch pipe 223 or second, and the water pump 23 has the flow automatic control module for the pump speed for being used to control water pump 23.
When water pump 23 is arranged on the 3rd branch pipe 223, can both flow control be carried out to the current for flowing through second row water pipe 5, can also be right
The current for flowing through the first drainpipe 3 carry out flow control, flow during so as to realize that flow during to pre-draining, examination discharge water with
And the control of flow when formally discharging water.Certainly, will if it should be appreciated by the person skilled in the art that be not provided with water pump
The water level of supply tank 21 sets the delivery port higher than water tank 1 also water is smoothly flowed out.
In the application another kind exemplary embodiment, there is provided a kind of method of testing that discharges water of Teat pump boiler, this is put
Water method of testing is implemented using the test device that discharges water of the application.As previously described, because the test device that discharges water of the application has
Two drainpipes, therefore examination can be carried out using the first drainpipe 3 before the test that discharge water and discharged water or pre-draining, water is straight
Run in without the water tank 1 for entering Teat pump boiler, so as to which the undesirable water of temperature be discharged, then utilize second row
Water pipe 5 carries out the testing experiment that discharges water, and has now reached test request into the water temperature of the current of water tank 1, has improved testing efficiency
And accuracy.
In the application another preferred embodiment, the above-mentioned method of testing that discharges water includes：Open first switch valve 4, profit
With the first drainpipe 3 pre-draining is carried out according to walkthrough water-carrying capacity；After first scheduled time, continue with the first drainpipe 3 according to
Standard flow discharges carry out examination and discharged water；First switch valve 4 is closed after second scheduled time, opens water pump 23 and second switch valve 6,
Formally discharged water according to standard flow discharges using the second drainpipe 5, wherein, walkthrough water-carrying capacity is less than standard flow discharges.
Before formal discharge water, discharged water using pre-draining and examination and discharge the undesirable water of temperature, so that current exist
Reach predetermined stabilization in the short time when formally discharging water；Water pump 23 and second switch valve 6 are then turned on, utilizes automatic control module
The pump speed of water pump 23 is opened into the flow velocity corresponding to standard flow discharges, and then quick realize formally discharges water.Standard therein
Flow discharges require according to standard, can be set as 3L/min, 4L/min, 6L/min or 10L/min according to different time points.
In order to shorten the pre-draining time as far as possible, preferably above-mentioned walkthrough water-carrying capacity is 1.5~2.0m3/ h, further preferably
For 1.8m3/ h, first scheduled time are 45~75s, more preferably 60s.Walkthrough water-carrying capacity is controlled in above range,
Undesirable current can be quickly discharged in 45~75s time.
In addition, present inventor has found when the process to be discharged water to examination is studied, the control of second scheduled time is existed
For in 90~150s, more preferably 120s, you can realization drains undesirable current.
The beneficial effect of the application is illustrated below with reference to embodiment and comparative example.
Embodiment 1 to 5 is to implement to discharge water using the test device that discharges water shown in Fig. 4, and uses flow-control module control
The pump speed of water pump processed；Comparative example 1 directly carries out outflow test using the second drainpipe of the outflow test device shown in Fig. 4, and
Flow automatic control module does not work, manual adjustment pump speed, and room temperature where experiment is 25 ° ± 1 °.
Embodiment 1
Supply tank temperature is set as 10 DEG C；
First switch valve is opened, using the first drainpipe according to 1.8m3/ h walkthrough water-carrying capacity carries out pre-draining；
After 60s, continue with the first drainpipe and carry out examination according to 6L/min standard flow discharges and discharge water；
First switch valve is closed after 120s, second switch valve is opened, is put using the second drainpipe according to 6L/min standard
Water-carrying capacity is formally discharged water, and the water flow that second row water pipe is flowed through through flow sensor detection is 6L/min, is passed through temperature
The water flow temperature that sensor detection flows through second row water pipe is 10 DEG C.
Embodiment 2
Supply tank temperature is set as 10 DEG C；
First switch valve is opened, using the first drainpipe according to 2.0m3/ h walkthrough water-carrying capacity carries out pre-draining；
After 45s, continue with the first drainpipe and carry out examination according to 6L/min standard flow discharges and discharge water；
First switch valve is closed after 150s, second switch valve is opened, is put using the second drainpipe according to 6L/min standard
Water-carrying capacity is formally discharged water, and the water flow that second row water pipe is flowed through through flow sensor detection is 6L/min, is passed through temperature
The water flow temperature that sensor detection flows through second row water pipe is 10 DEG C.
Embodiment 3
Supply tank temperature is set as 10 DEG C；
First switch valve is opened, using the first drainpipe according to 1.5m3/ h walkthrough water-carrying capacity carries out pre-draining；
After 75s, continue with the first drainpipe and carry out examination according to 6L/min standard flow discharges and discharge water；
First switch valve is closed after 90s, second switch valve is opened, is discharged water using the second drainpipe according to 6L/min standard
Flow is formally discharged water, and the water flow that second row water pipe is flowed through through flow sensor detection is 6L/min, through TEMP
The water flow temperature that device detection flows through second row water pipe is 10 DEG C.
Embodiment 4
Supply tank temperature is set as 10 DEG C；
First switch valve is opened, using the first drainpipe according to 1.8m3/ h walkthrough water-carrying capacity carries out pre-draining；
After 90s, continue with the first drainpipe and carry out examination according to 6L/min standard flow discharges and discharge water；
First switch valve is closed after 75s, second switch valve is opened, is discharged water using the second drainpipe according to 6L/min standard
Flow is formally discharged water, and the water flow that second row water pipe is flowed through through flow sensor detection is 6L/min, through TEMP
The water flow temperature that device detection flows through second row water pipe is 10 DEG C.
Embodiment 5
Supply tank temperature is set as 10 DEG C；
First switch valve is opened, pre-draining is carried out according to 6L/min standard flow discharges using the first drainpipe；
First switch valve is closed after 150s, second switch valve is opened, is put using the second drainpipe according to 6L/min standard
Water-carrying capacity is formally discharged water, and the water flow that second row water pipe is flowed through through flow sensor detection is 6L/min, is passed through temperature
The water flow temperature that sensor detection flows through second row water pipe is 10 DEG C.
Comparative example 1
Supply tank temperature is set as 10 DEG C；
Second switch valve is opened, is formally discharged water according to 6L/min standard flow discharges using the second drainpipe, is passed through
The water flow that flow sensor detection flows through second row water pipe is 5L/min, and second row water pipe is flowed through through temperature sensor detection
Water flow temperature be 12 DEG C.
Comparison by embodiment and comparative example can be seen that the first drainpipe of the test device that discharges water using the application
With the cooperation of the second drainpipe so that current and temperature when outflow test starts can reach the flow and temperature of setting.
As can be seen from the above description, the above embodiments of the present invention realize following technique effect：
The test device that discharges water with said structure, two drainpipes are provided with, therefore the test that discharges water can carried out
It is preceding to carry out examination using the first drainpipe and discharge water or pre-draining, the water tank that water is expelled directly out without entering Teat pump boiler, so as to
By the undesirable water discharge of temperature, the testing experiment that discharges water then is carried out using the second drainpipe, now into the water of water tank
Stream temperature has reached test request, improves testing efficiency and accuracy.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
1. a kind of test device that discharges water of Teat pump boiler, the Teat pump boiler has water tank (1), and the water tank (1) has
Water inlet and delivery port, and the water inlet and the delivery port are different openings, it is characterised in that the test dress that discharges water
Put including：
Water supplying unit (2)；
First drainpipe (3), one end are connected with the water supplying unit (2), another end opening, are set on first drainpipe (3)
It is equipped with first switch valve (4)；
Second drainpipe (5), one end are connected with the water supplying unit (2), and the other end passes through the water inlet and the water tank (1)
It is connected, second switch valve (6), first drainpipe (3) and second drainpipe is provided with second drainpipe (5)
(5) it is in same level.
2. the test device according to claim 1 that discharges water, it is characterised in that the caliber of first drainpipe (3) and
The caliber of two drainpipes (5) is identical.
3. the test device according to claim 1 that discharges water, it is characterised in that the first switch valve (4) and described second
Switch valve (6) is pneumatic operated valve.
4. the test device according to any one of claim 1 to 3 that discharges water, it is characterised in that water supplying unit (2) bag
Include：
Supply tank (21), first drainpipe (3) and second drainpipe (5) are connected with the supply tank (21)；
Water pump (23), it is arranged on second drainpipe (5), the water pump (23), which has, to be used to control the water pump (23)
The flow automatic control module of pump speed.
5. the test device according to any one of claim 1 to 3 that discharges water, it is characterised in that water supplying unit (2) bag
Include：
Supply tank (21)；
Three-way pipe (22), there is the first branch pipe (221), the second branch pipe (222) and the 3rd branch pipe (223), first branch pipe
(221) being connected with first drainpipe (3), second branch pipe (222) connects with second drainpipe (5), and described
Three branch pipes (223) connect with the supply tank (21)；
Water pump (23), it is arranged on the 3rd branch pipe (223) or second drainpipe (5), the water pump (23), which has, to be used
In the pump speed flow automatic control module for controlling the water pump (23).
A kind of 6. method of testing that discharges water of Teat pump boiler, it is characterised in that it is described discharge water method of testing using claim 1 to
The test device implementation that discharges water any one of 5.
7. the method for testing according to claim 6 that discharges water, it is characterised in that the method for testing that discharges water includes：
First switch valve (4) is opened, pre-draining is carried out according to walkthrough water-carrying capacity using the first drainpipe (3)；
After first scheduled time, continue with first drainpipe (3) and carry out examination according to standard flow discharges and discharge water；
First switch valve (4) is closed after second scheduled time, water pump (23) and second switch valve (6) is opened, utilizes the second draining
Pipe (5) is formally discharged water according to the standard flow discharges, wherein, the walkthrough water-carrying capacity discharges water stream less than the standard
Amount.
8. the method for testing according to claim 7 that discharges water, it is characterised in that the walkthrough water-carrying capacity is 1.5~2.0m3/h；
First scheduled time is 45~75s.
9. the method for testing according to claim 8 that discharges water, it is characterised in that the walkthrough water-carrying capacity is 1.8m3/h。
10. the method for testing according to claim 8 that discharges water, it is characterised in that first scheduled time is 60s.
11. the method for testing according to claim 7 that discharges water, it is characterised in that second scheduled time is 90~150s.
12. the method for testing according to claim 11 that discharges water, it is characterised in that second scheduled time is 120s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897524.XA CN105547349B (en) | 2015-12-07 | 2015-12-07 | Water discharge testing device and method for heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510897524.XA CN105547349B (en) | 2015-12-07 | 2015-12-07 | Water discharge testing device and method for heat pump water heater |
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| Publication Number | Publication Date |
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| CN105547349A CN105547349A (en) | 2016-05-04 |
| CN105547349B true CN105547349B (en) | 2018-01-23 |
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| CN201510897524.XA Expired - Fee Related CN105547349B (en) | 2015-12-07 | 2015-12-07 | Water discharge testing device and method for heat pump water heater |
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| CN113080739A (en) * | 2021-03-23 | 2021-07-09 | 九牧厨卫股份有限公司 | Electronic shower and control method thereof |
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| Publication number | Publication date |
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| CN105547349A (en) | 2016-05-04 |
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