CN108776042A - water heater test device and test method - Google Patents
water heater test device and test method Download PDFInfo
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- CN108776042A CN108776042A CN201810798863.6A CN201810798863A CN108776042A CN 108776042 A CN108776042 A CN 108776042A CN 201810798863 A CN201810798863 A CN 201810798863A CN 108776042 A CN108776042 A CN 108776042A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
Abstract
A kind of water heater test device of present invention offer and test method, including constant temperature water tank and watering cycle pipeline, the both ends of the watering cycle pipeline are connected to the constant temperature water tank, and the inlet pipeline and outlet pipeline being connected to water heater to be measured are additionally provided on the watering cycle pipeline.Water heater test device and test method provided by the invention, by the way that watering cycle pipeline is arranged, inlet pipeline and outlet pipeline, it can ensure that constant temperature water tank treats calorimetric hydrophone and carries out controllable water supply, and by the way that the first water pump is arranged, water compensating valve, back-water valve (BWV), water circulating pump, first drain valve, second drain valve, inlet valve and back-water valve (BWV), so that under the control of the controller, realize the automatic test for treating calorimetric hydrophone, reduce labour degree, reduce experiment error rate, improve test accuracy, improve the saving of accuracy and efficiency and test development cost, double incomes of personnel reduction and enlargement can be reached.
Description
Technical field
The present invention relates to water heater detection technique field, especially a kind of water heater test device and test method.
Background technology
Existing Teat pump boiler measuring technology is more traditional, Teat pump boiler in moisturizing, booting, shutdown, recycle, discharge water
It is manually operated in link, complex steps, and need special messenger to keep an eye on during running, personnel's carelessness, switching on and shutting down delay, meter
Amount error etc. easily causes the problems such as inaccurate experimental result, test invalidation, waste of time and resources.
Invention content
In order to solve the above-mentioned technical problem, a kind of water heater survey for improving test accuracy rate and shortening the testing time is provided
Trial assembly is set and test method.
A kind of water heater test device, including constant temperature water tank and watering cycle pipeline, the both ends of the watering cycle pipeline
Be connected to the constant temperature water tank, and be additionally provided on the watering cycle pipeline inlet pipeline being connected to water heater to be measured and
Outlet pipeline, and the constant temperature water tank can by the watering cycle pipeline, the inlet pipeline and the outlet pipeline with
The water heater connection to be measured.
The watering cycle pipeline includes the first water pump, water compensating valve, back-water valve (BWV) and water circulating pump, first water pump, institute
It states water compensating valve, the water circulating pump and the back-water valve (BWV) to be sequentially communicated to form the watering cycle pipeline, and the inlet pipeline
One end be connected to the centre position of the water compensating valve and the water circulating pump, one end of the outlet pipeline and the back-water valve (BWV)
It is connected to the centre position of the water circulating pump.
Be additionally provided with the first drain valve and the second drain valve on the watering cycle pipeline, first drain valve with it is described
Water compensating valve is connected to the centre position of the water circulating pump, second drain valve and the back-water valve (BWV) and the water circulating pump
Centre position is connected to.
It is provided with inlet valve on the inlet pipeline, outlet valve is provided on the outlet pipeline.
The watering cycle pipeline further includes flowmeter, and the first end of the flowmeter is connected to the back-water valve (BWV), another
End is connected to the constant temperature water tank.
The water heater test device further includes at least one temperature measuring mechanism, and all temperature measuring mechanisms are uniformly distributed in institute
It states on water heater to be measured.
The watering cycle pipeline includes the first water pump, water compensating valve, back-water valve (BWV) and water circulating pump, first water pump, institute
It states water compensating valve, the water circulating pump and the back-water valve (BWV) to be sequentially communicated to form the watering cycle pipeline, and the inlet pipeline
One end be connected to the centre position of the water compensating valve and the water circulating pump, one end of the outlet pipeline and the back-water valve (BWV)
It is connected to the centre position of the water circulating pump, the first drain valve and the second draining is additionally provided on the watering cycle pipeline
Valve, first drain valve are connected to the centre position of the water compensating valve and the water circulating pump, second drain valve and institute
It states back-water valve (BWV) to be connected to the centre position of the water circulating pump, inlet valve, the outlet pipeline is provided on the inlet pipeline
On be provided with outlet valve, the watering cycle pipeline further includes flowmeter, and the first end of the flowmeter and the back-water valve (BWV) connect
Logical, the other end is connected to the constant temperature water tank, and the water heater test device further includes at least one temperature measuring mechanism, all described
Temperature measuring mechanism is uniformly distributed on the water heater to be measured.
The watering cycle pipeline, the inlet pipeline and the outlet pipeline are made of stainless steel flexible hose.
Further include controller, the controller and first water pump, the water compensating valve, the back-water valve (BWV), the cycle
Water pump, first drain valve, second drain valve, the inlet valve and back-water valve (BWV) electrical connection.
The controller further includes wired module and/or wireless module.
A kind of test method of above-mentioned water heater test device, including：
Step a, counter structure that inlet pipeline is connected to water heater to be measured with outlet pipeline is connected to, and by constant temperature water tank
To water supply of water heater to be measured；
Step b, it sets and presets water temperature T 0 and shutdown temperature T1, T1 > T0, detect the temperature T2 of water heater to be measured, and by T2
It is compared with T0 and T1；
Step c, when T2 is equal to T0, then inlet valve and outlet valve are closed, and open the switch of water heater to be measured；
Step d, when T2 is equal to T1, then water heater to be measured is closed, opens inlet valve and outlet valve, and ON cycle water pump
Continue the first setting time；
Step e, water heater test device is closed, report is preserved.
Further include in step a,
It opens the first water pump, water compensating valve, back-water valve (BWV), inlet valve and outlet valve, closes water circulating pump, the first drain valve, the
The switch of two drain valves and water heater to be measured, and continue the second setting time.
Further include in step c：
When T2 is equal to T0, inlet valve and outlet valve are closed after lasting third setting time, and open water heater to be measured.
Further include in step c：
When opening water heater to be measured, temperature measuring mechanism is closed.
Further include in step c：
After closing inlet valve and outlet valve, ON cycle water pump, water compensating valve and back-water valve (BWV).
Further include in step d：
When T2 is equal to T1, water compensating valve and back-water valve (BWV) are closed, ON cycle water pump, the first drain valve and the second drain valve are simultaneously
After continuing the 4th setting time, inlet valve and outlet valve are opened, and ON cycle water pump continues the first setting time.
The water heater test device received by the wired module and/or wireless module and sent control signal and/
Or send report.
Water heater test device and test method provided by the invention, by be arranged watering cycle pipeline, inlet pipeline and
Outlet pipeline can ensure that constant temperature water tank treats calorimetric hydrophone and carries out controllable water supply, and by the way that the first water pump, moisturizing is arranged
Valve, back-water valve (BWV), water circulating pump, the first drain valve, the second drain valve, inlet valve and back-water valve (BWV) so that under the control of the controller,
It realizes the automatic test for treating calorimetric hydrophone, reduces labour degree, reduce experiment error rate, improve test accuracy, improve
The saving of accuracy and efficiency and test development cost can reach double incomes of personnel reduction and enlargement.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of water heater test device provided by the invention and test method；
In figure：
1, constant temperature water tank；2, watering cycle pipeline；3, inlet pipeline；4, outlet pipeline；21, the first water pump；22, moisturizing
Valve；23, back-water valve (BWV)；24, water circulating pump；25, the first drain valve；26, the second drain valve；31, inlet valve；41, outlet valve；10,
Water heater to be measured.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining the present invention, not
For limiting the present invention.
Water heater test device as shown in Figure 1, including constant temperature water tank 1 and watering cycle pipeline 2, the watering cycle pipe
The both ends on road 2 are connected to the constant temperature water tank 1, and are additionally provided on the watering cycle pipeline 2 and are connected with water heater 10 to be measured
Logical inlet pipeline 3 and outlet pipeline 4, and the constant temperature water tank 1 can pass through the watering cycle pipeline 2, the water inlet pipe
Road 3 and the outlet pipeline 4 are connected to the water heater 10 to be measured, can be realized using watering cycle pipeline 2 and be treated calorimetric water
Device 10 is controllably supplied water, and to increase the measuring accuracy for treating calorimetric hydrophone 10, and then increases the accuracy of test result.
The watering cycle pipeline 2 includes the first water pump 21, water compensating valve 22, back-water valve (BWV) 23 and water circulating pump 24, and described the
One water pump 21, the water compensating valve 22, the water circulating pump 24 and the back-water valve (BWV) 23 are sequentially communicated to form the watering cycle pipe
Road 2, and one end of the inlet pipeline 3 is connected to the centre position of the water compensating valve 22 and the water circulating pump 24, it is described go out
One end of water lines 4 is connected to the centre position of the back-water valve (BWV) 23 and the water circulating pump 24, utilizes 3 energy of the inlet pipeline
It is enough to supply the water in constant temperature water tank 1 into water heater 10 to be measured, and utilize outlet pipeline 4 by the gas in water heater 10 to be measured
It is back in constant temperature water tank 1 with water, and then ensures that the water temperature in water heater 10 to be measured can reach the water temperature in constant temperature water tank 1.
The first drain valve 25 and the second drain valve 26, first drain valve are additionally provided on the watering cycle pipeline 2
25 are connected to the centre position of the water compensating valve 22 and the water circulating pump 24, second drain valve 26 and the back-water valve (BWV) 23
It is connected to the centre position of the water circulating pump 24, the first drain valve 25 and the second drain valve 26 can be utilized, by watering cycle
Water discharge in pipeline 2, prevents the test result for treating calorimetric hydrophone 10 from impacting.
It is provided with inlet valve 31 on the inlet pipeline 3, outlet valve 41 is provided on the outlet pipeline 4.
The watering cycle pipeline 2 further includes flowmeter, and the first end of the flowmeter is connected to the back-water valve (BWV) 23, separately
One end is connected to the constant temperature water tank 1.
The water heater test device further includes at least one temperature measuring mechanism, and all temperature measuring mechanisms are uniformly distributed in institute
It states on water heater 10 to be measured, the water temperature in water heater 10 to be measured can be detected, it is preferred that the quantity of the temperature measuring mechanism is two
It is a, and be respectively upper temperature measuring mechanism and lower temperature measuring mechanism, the water heater 10 to be measured is placed vertically, and upper temperature measuring mechanism is set to
The first half of water heater 10 to be measured, lower temperature measuring mechanism are set to the lower half of water heater 10 to be measured, so as to ensure to wait for calorimetric
Distribution of water temperature in hydrophone 10 is uniform.
The watering cycle pipeline 2 includes the first water pump 21, water compensating valve 22, back-water valve (BWV) 23 and water circulating pump 24, and described the
One water pump 21, the water compensating valve 22, the water circulating pump 24 and the back-water valve (BWV) 23 are sequentially communicated to form the watering cycle pipe
Road 2, and one end of the inlet pipeline 3 is connected to the centre position of the water compensating valve 22 and the water circulating pump 24, it is described go out
One end of water lines 4 is connected to the centre position of the back-water valve (BWV) 23 and the water circulating pump 24, on the watering cycle pipeline 2
It is additionally provided with the first drain valve 25 and the second drain valve 26, first drain valve 25 and the water compensating valve 22 and the recirculated water
The centre position connection of pump 24, second drain valve 26 connect with the centre position of the back-water valve (BWV) 23 and the water circulating pump 24
It is logical, it is provided with inlet valve 31 on the inlet pipeline 3, outlet valve 41, the watering cycle pipe are provided on the outlet pipeline 4
Road 2 further includes flowmeter, and the first end of the flowmeter is connected to the back-water valve (BWV) 23, and the other end connects with the constant temperature water tank 1
Logical, the water heater test device further includes at least one temperature measuring mechanism, and all temperature measuring mechanisms are uniformly distributed in described wait for
On calorimetric hydrophone 10.
The watering cycle pipeline 2, the inlet pipeline 3 and the outlet pipeline 4 are made of stainless steel flexible hose.
Further include controller, the controller and first water pump 21, the water compensating valve 22, the back-water valve (BWV) 23, institute
Water circulating pump 24, first drain valve 25, second drain valve 26, the inlet valve 31 and the back-water valve (BWV) 23 is stated to be electrically connected
It connects, is tested according to the set procedure using controller, realize the automation of test, improve accuracy and efficiency and test
The saving of development cost can reach double incomes of personnel reduction and enlargement.
The controller further include wired module and/or wireless module namely controller can utilize wired module and/or
Wireless module is to first water pump 21, the water compensating valve 22, the back-water valve (BWV) 23, the water circulating pump 24, the first row
Water valve 25, second drain valve 26, the inlet valve 31 and the back-water valve (BWV) 23 are controlled, and calorimetric water can also will be treated
The test report of device 10 carries out upload transmission.
Particularly, the water compensating valve 22, the back-water valve (BWV) 23, first drain valve 25, second drain valve 26, institute
It is solenoid valve or pneumatic operated valve to state inlet valve 31 and the back-water valve (BWV) 23.
A kind of test method of above-mentioned water heater test device, including：
Step a, counter structure that inlet pipeline 3 is connected to water heater 10 to be measured with outlet pipeline 4 is connected to, and by constant temperature
Water tank 1 supplies water to water heater 10 to be measured, and the water temperature in water heater 10 to be measured is made to be gradually increased to the water temperature phase with constant temperature water tank 1
Deng；
Step b, it sets and presets water temperature T 0 and shutdown temperature T1, T1 > T0, detect the temperature T2 of water heater 10 to be measured, and will
T2 is compared with T0 and T1, and particularly default water temperature T 0 is equal with the water temperature in constant temperature water tank 1；
Step c, when T2 is equal to T0, then inlet valve 31 and outlet valve 41 are closed, and open the switch of water heater 10 to be measured,
The heating function of water heater 10 to be measured is set to open, the water treated in calorimetric hydrophone 10 is heated；
Step d, when T2 is equal to T1, then water heater 10 to be measured is closed, opens inlet valve 31 and outlet valve 41, and open and follow
Ring water pump 24 continues the first setting time, even if also the water in water heater 10 to be measured is recycled, makes in water heater 10 to be measured
Even water temperature ensures the accuracy of test result, and after the first setting time, completes the test for treating calorimetric hydrophone 10；
Step e, water heater test device is closed, report is preserved.
Further include in step a,
It opens the first water pump 21, water compensating valve 22, back-water valve (BWV) 23, inlet valve 31 and outlet valve 41, closes water circulating pump 24, the
The switch of one drain valve 25, the second drain valve 26 and water heater to be measured 10, and continue the second setting time, ensure water heater to be measured
The water temperature of all positions in 10 is equal.
Further include in step c：
When T2 is equal to T0, inlet valve 31 and outlet valve 41 are closed after lasting third setting time, and open and wait for calorimetric
Hydrophone 10 can ensure that the water temperature in measured water heater to be measured 10 is in temperature constant state.
Further include in step c：
When opening water heater 10 to be measured, temperature measuring mechanism is closed, reduces the energy consumption of temperature measuring mechanism, while preventing temperature measuring mechanism
It measures for a long time and causes to measure inaccurate problem.
Further include in step c：
After closing inlet valve 31 and outlet valve 41, ON cycle water pump 24, water compensating valve 22 and back-water valve (BWV) 23 make thermostatted water
Water in case 1 can be recycled by water compensating valve 22, water circulating pump 24 and back-water valve (BWV) 23 successively, avoid treating calorimetric hydrophone
When 10 progress worst cold case test, 1 isostructural damage of constant temperature water tank.
Further include in step d：
When T2 is equal to T1, water compensating valve 22 and back-water valve (BWV) 23, ON cycle water pump 24, the first drain valve 25 and second are closed
Drain valve 26 and after continuing the 4th setting time, opens inlet valve 31 and outlet valve 41, and ON cycle water pump 24 continues first
Water circulating pump 24 is arrived inlet valve by setting time in the 4th setting time using the first drain valve 25 and the second drain valve 26
31, the water at low temperature discharge between back-water valve (BWV) 23, ensures that it is not involved in by the mixing of test-run a machine water tank high-temperature water, can be effectively ensured
Test accuracy.
The water heater test device received by the wired module and/or wireless module and sent control signal and/
Or send report.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (17)
1. a kind of water heater test device, it is characterised in that：Including constant temperature water tank (1) and watering cycle pipeline (2), the water supply
The both ends of circulation line (2) are connected to the constant temperature water tank (1), and are additionally provided with and are waited on the watering cycle pipeline (2)
The inlet pipeline (3) and outlet pipeline (4) of calorimetric hydrophone (10) connection, and the constant temperature water tank (1) can pass through the water supply
Circulation line (2), the inlet pipeline (3) and the outlet pipeline (4) are connected to the water heater (10) to be measured.
2. water heater test device according to claim 1, it is characterised in that：The watering cycle pipeline (2) includes the
One water pump (21), water compensating valve (22), back-water valve (BWV) (23) and water circulating pump (24), first water pump (21), the water compensating valve
(22), the water circulating pump (24) and the back-water valve (BWV) (23) are sequentially communicated to form the watering cycle pipeline (2), and it is described into
One end of water lines (3) is connected to the centre position of the water compensating valve (22) and the water circulating pump (24), the outlet pipeline
(4) one end is connected to the centre position of the back-water valve (BWV) (23) and the water circulating pump (24).
3. water heater test device according to claim 2, it is characterised in that：It is also set on the watering cycle pipeline (2)
It is equipped with the first drain valve (25) and the second drain valve (26), first drain valve (25) and the water compensating valve (22) and described follows
The centre position of ring water pump (24) is connected to, second drain valve (26) and the back-water valve (BWV) (23) and the water circulating pump (24)
Centre position connection.
4. water heater test device according to claim 1, it is characterised in that：Be provided on the inlet pipeline (3) into
Water valve (31) is provided with outlet valve (41) on the outlet pipeline (4).
5. water heater test device according to claim 2, it is characterised in that：The watering cycle pipeline (2) further includes
Flowmeter, the first end of the flowmeter are connected to the back-water valve (BWV) (23), and the other end is connected to the constant temperature water tank (1).
6. water heater test device according to claim 1, it is characterised in that：The water heater test device further include to
A few temperature measuring mechanism, all temperature measuring mechanisms are uniformly distributed on the water heater to be measured (10).
7. water heater test device according to claim 1, it is characterised in that：The watering cycle pipeline (2) includes the
One water pump (21), water compensating valve (22), back-water valve (BWV) (23) and water circulating pump (24), first water pump (21), the water compensating valve
(22), the water circulating pump (24) and the back-water valve (BWV) (23) are sequentially communicated to form the watering cycle pipeline (2), and it is described into
One end of water lines (3) is connected to the centre position of the water compensating valve (22) and the water circulating pump (24), the outlet pipeline
(4) one end is connected to the centre position of the back-water valve (BWV) (23) and the water circulating pump (24), the watering cycle pipeline (2)
On be additionally provided with the first drain valve (25) and the second drain valve (26), first drain valve (25) and the water compensating valve (22) and
The centre position of the water circulating pump (24) is connected to, second drain valve (26) and the back-water valve (BWV) (23) and the recirculated water
The centre position connection of (24) is pumped, inlet valve (31) is provided on the inlet pipeline (3), is arranged on the outlet pipeline (4)
There is outlet valve (41), the watering cycle pipeline (2) further includes flowmeter, the first end of the flowmeter and the back-water valve (BWV)
(23) it is connected to, the other end is connected to the constant temperature water tank (1), and the water heater test device further includes at least one temperature measuring machine
Structure, all temperature measuring mechanisms are uniformly distributed on the water heater to be measured (10).
8. water heater test device according to claim 1 or claim 7, it is characterised in that：The watering cycle pipeline (2), institute
It states inlet pipeline (3) and the outlet pipeline (4) is made of stainless steel flexible hose.
9. water heater test device according to claim 1 or claim 7, it is characterised in that：Further include controller, the controller
With first water pump (21), the water compensating valve (22), the back-water valve (BWV) (23), the water circulating pump (24), the first row
Water valve (25), second drain valve (26), the inlet valve (31) and the back-water valve (BWV) (23) electrical connection.
10. water heater test device according to claim 9, it is characterised in that：The controller further includes wired module
And/or wireless module.
11. the test method of the water heater test device described in a kind of any one of claim 7 to 10, it is characterised in that：Packet
It includes：
The counter structure that inlet pipeline (3) step a, is connected to water heater to be measured (10) with outlet pipeline (4) is connected to, and by perseverance
Reservoir (1) supplies water to water heater to be measured (10)；
Step b, it sets and presets water temperature T 0 and shutdown temperature T1, T1 > T0, detect the temperature T2 of water heater to be measured (10), and by T2
It is compared with T0 and T1；
Step c, when T2 is equal to T0, then inlet valve (31) and outlet valve (41) are closed, and open opening for water heater to be measured (10)
It closes；
Step d, when T2 is equal to T1, then water heater to be measured (10) is closed, opens inlet valve (31) and outlet valve (41), and open
Water circulating pump (24) continues the first setting time；
Step e, water heater test device is closed, report is preserved.
12. test method according to claim 11, it is characterised in that：Further include in step a,
The first water pump (21), water compensating valve (22), back-water valve (BWV) (23), inlet valve (31) and outlet valve (41) are opened, recirculated water is closed
Pump (24), the first drain valve (25), the second drain valve (26) and water heater to be measured (10) switch, and when continuing the second setting
Between.
13. test method according to claim 11, it is characterised in that：Further include in step c：
When T2 is equal to T0, inlet valve (31) and outlet valve (41) are closed after lasting third setting time, and open and wait for calorimetric
Hydrophone (10).
14. the test method according to claim 11 or 13, it is characterised in that：Further include in step c：
When opening water heater (10) to be measured, temperature measuring mechanism is closed.
15. the test method according to claim 11 or 13, it is characterised in that：Further include in step c：
After closing inlet valve (31) and outlet valve (41), ON cycle water pump (24), water compensating valve (22) and back-water valve (BWV) (23).
16. test method according to claim 11, it is characterised in that：Further include in step d：
When T2 is equal to T1, close water compensating valve (22) and back-water valve (BWV) (23), ON cycle water pump (24), the first drain valve (25) and
Second drain valve (26) and after continuing the 4th setting time, opens inlet valve (31) and outlet valve (41), and ON cycle water pump
(24) continue the first setting time.
17. test method according to claim 11, it is characterised in that：The water heater test device passes through described wired
Module and/or wireless module receive and send control signal and/or send report.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798863.6A CN108776042A (en) | 2018-07-19 | 2018-07-19 | water heater test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798863.6A CN108776042A (en) | 2018-07-19 | 2018-07-19 | water heater test device and test method |
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| CN108776042A true CN108776042A (en) | 2018-11-09 |
Family
ID=64030103
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| CN201810798863.6A Pending CN108776042A (en) | 2018-07-19 | 2018-07-19 | water heater test device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361214A (en) * | 2019-07-18 | 2019-10-22 | 华帝股份有限公司 | Simulated water resistance detection device of gas water heater |
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| CN208588554U (en) * | 2018-07-19 | 2019-03-08 | 珠海格力电器股份有限公司 | Water heater test device |
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| CN110361214A (en) * | 2019-07-18 | 2019-10-22 | 华帝股份有限公司 | Simulated water resistance detection device of gas water heater |
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