CN105758599A - Automatic leakage detecting device of water heater or wall-hung stove and operating method thereof - Google Patents
Automatic leakage detecting device of water heater or wall-hung stove and operating method thereof Download PDFInfo
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- CN105758599A CN105758599A CN201610308023.8A CN201610308023A CN105758599A CN 105758599 A CN105758599 A CN 105758599A CN 201610308023 A CN201610308023 A CN 201610308023A CN 105758599 A CN105758599 A CN 105758599A
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/30—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds using progressive displacement of one fluid by another
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
Provided are an automatic leakage detecting device of a water heater or a wall-hung stove and an operating method thereof.The automatic leakage detecting device of the water heater or the wall-hung stove comprises the water heater, wherein a ball valve, a filter, a pressure regulating valve, a first waterway pressure switching valve, a second waterway pressure switching valve and a pressure transmitter are sequentially arranged on a water inlet pipe of the water heater, and a water outlet valve is arranged on a water outlet pipe of the water heater.A pipeline between the pressure regulating valve and the first waterway pressure switching valve is communicated with a water-draining pressure-relief pipe, a pressure gauge is arranged at the communication position, and a pressure-relief valve and a pressure relief and regulation valve are sequentially arranged on the water-draining pressure-relief pipe.A pipeline between the first waterway pressure switching valve and the second waterway pressure switching valve is communicated with a servo pressurizing mechanism.The pressure transmitter is connected with a PLC.An electric actuator is arranged on the ball valve, the pressure regulating valve, the first waterway pressure switching valve, the second waterway pressure switching valve, the water outlet valve, the pressure relief and regulation valve and the pressure-relief valve respectively.The automatic leakage detecting device can achieve automatic detection and full-automatically judge the qualified or unqualified situation and has the advantages of being accurate in testing and good in reliability.
Description
Technical field
The present invention relates to the automatic leakage device for detecting leakage of a kind of water heater or wall-hung boiler and operational approach thereof.
Background technology
Traditional water heater or wall-hung boiler are when carrying out leak-testing, the method generally adopted is the water inlet of the waterway pipe being first turned on water heater or wall-hung boiler, it is then shut off the water outlet of waterway pipe, finally beat high pressure to waterway pipe, in the process, tester only by perusal and judges whether the waterway pipe of water heater or wall-hung boiler has leakage.So, the accuracy of the judged result only obtained with tester's perusal is relatively low, and easily judge by accident, and, even if sometimes the pipeline in water route has trickle crackle to cause slight leakage, it is can not judge out, particularly at the back side of water heater, thus judging into certified products by accident and flowing out market, finally the quality of water heater is exerted a certain influence.
Chinese patent literature CN104113223A discloses a kind of gas heater testboard on October 22nd, 2014, testboard is made up of aluminium section bar machine frame, integrated lacquer coat electrical control cubicles and on-hook frame, testboard includes monitoring system, gas circuit and domestic hot-water loop, gas circuit and domestic hot-water loop and connects water heater respectively.nullThe entrance and exit in described domestic hot-water loop is designed with ball valve，The porch of hot-water return is provided with electromagnetic flowmeter and PT100 inlet temperature sensor，The exit in loop is provided with three parallelpipeds，It is respectively equipped with PT100 outlet temperature sensor、Pressure transducer and Pressure gauge，Article one, preset needle-valve in pipeline for water flow switch or sensor inspection，Article one, in pipeline, preset flow regulates valve for water route temperature overshoot，Another is for metered flow detection，With two five-way electromagnetic valves of commutation in domestic hot-water loop、Pressurize electromagnetic valve、Pneumohydraulic pressure-cylinder and Pressure gauge composition high tension loop，By regulating compressed-air actuated pressure setting water inlet high pressure，For water route voltage-withstand test，Compressed-air actuated entrance is positioned at the porch of hot-water return，Controlled by electromagnetic valve，Loop is opened or closed by the ball valve at circuit entrance place，After voltage-withstand test completes，Electromagnetic valve controls compressed-air actuated entrance and opens or closes，By high tension loop, the water stayed after test in loop is emptied；The monitoring system of testboard is made up of digital display transmitter and adjustable power of alterating and direct current, digital display transmitter specifically includes temperature digital display transmitter, digital pressure transducer and digital display flow transmitter, temperature digital display transmitter, digital pressure transducer and digital display flow transmitter connect corresponding temperature respectively, the electromagnetic flowmeter of pressure transducer and hot-water return is also located at gas circuit and the top in domestic hot-water loop, digital display transmitter be arranged over dust cover, gas circuit and domestic hot-water loop are located at the centre position of testboard, adjustable power of alterating and direct current is located between digital display transmitter and gas circuit and domestic hot-water loop, it is additionally provided with observation window below, the gas meter of gas circuit is located in observation window.
Summary of the invention
The purpose of the present invention aims to provide a kind of fully-automated synthesis, full-automatic judge, test accurately and reliably, the automatic leakage device for detecting leakage of high, the easy to operate water heater of testing efficiency or wall-hung boiler and operational approach thereof, to overcome weak point of the prior art.
A kind of water heater designed by this purpose or the automatic leakage device for detecting leakage of wall-hung boiler, including water heater, its architectural feature is to be disposed with ball valve, filter, pressure regulator valve, the first water path switch valve, the second water path switch valve and pressure transmitter on the water inlet pipe of described water heater, and the outlet pipe of water heater is provided with outlet valve；Pipeline between pressure regulator valve and the first water path switch valve connects with draining relief tube and connectivity part is provided with Pressure gauge, and this draining relief tube is disposed with relief valve and pressure release pressure regulator valve；Pipeline between first water path switch valve and the second water path switch valve is connected with servo booster body；Pressure transmitter connects with PLC；
Wherein, ball valve, pressure regulator valve, the first water path switch valve, the second water path switch valve, outlet valve, pressure release pressure regulator valve and relief valve being respectively arranged with YE, described YE PLC respectively connects and is controlled；Servo booster body connects with PLC and is controlled.
Further, described PLC connects with computer.
Further, the automatic leakage device for detecting leakage of described water heater or wall-hung boiler, also include testboard, the top of described testboard is provided with display screen, the middle part of testboard is provided with operating platform, and manipulation button is arranged on the side of operating platform, and the bottom of testboard is provided with interface tube.
Further, described testboard side is provided with on and off switch.
Further, the bottom of described testboard is provided with castor.
Further, described servo booster body includes servomotor, reducing gear, ball screw and pressurized cylinder, servomotor passes sequentially through reductor, ball screw connects with pressurized cylinder, and pressurized cylinder is connected by the pipeline between connecting water pipe and the first water path switch valve and the second water path switch valve；Servomotor is connected with computer by PLC.
Further, described servo booster body also includes frame, and servomotor, reducing gear, ball screw and pressurized cylinder are arranged in frame, and reducing gear includes drive and belt；In this frame, corresponding ball screw is provided with the first spacing proximity switch and the second spacing proximity switch, and this first spacing proximity switch and the second spacing proximity switch are arranged along the direction of ball screw.
The operational approach of the automatic leakage device for detecting leakage of a kind of water heater or wall-hung boiler, is characterized in that comprising the following steps:
Step one, is connected the outlet of the water inlet pipe of water heater and the second water path switch valve, and pressure transmitter is arranged between the water inlet pipe of water heater and the outlet of the second water path switch valve；The outlet pipe of water heater is connected with outlet valve,
Step 2, opens the first water path switch valve, the second water path switch valve and outlet valve, water under high pressure or tap water and flows to water heater and flow out from the outlet pipe of water heater, and now, the air in the water route of water heater is drained and is full of water in water route；
Step 3, after 2～10 seconds, closes outlet valve and the first water path switch valve by computer control PLC；
Step 4, starts servo booster body and by the pressure boost in the water route of water heater to setup pressure value by computer control PLC；
Step 5, when the pressure in the water route of water heater reaches setup pressure value, starts pressurize, initial pressure value when simultaneously being started by computer recording pressurize；
Step 6, after pressurize starts, the computer control PLC water route pressure by pressure transmitter Real-time Collection water heater, meanwhile, computer calculates voltage drop value；
During pressurize, when the voltage drop value calculated by Computer is more than default voltage drop value, computer judges that the water route of this water heater is defective and reports to the police, and terminates the water route voltage-withstand test of this water heater in advance simultaneously, enters step 7, releasing pressure automatically；
During pressurize, until the dwell time is when terminating, the voltage drop value calculated by Computer is all always less than default voltage drop value, and computer judges that the water route of this water heater is qualified, then terminate water route voltage-withstand test, enters step 7, releasing pressure automatically；
Step 7, computer opens relief valve, the first water path switch valve and the second water path switch valve by PLC, and the pressure in the water route of water heater is discharged by draining relief tube.
The water inlet pipe of the water heater in the present invention is disposed with ball valve, filter, pressure regulator valve, the first water path switch valve, the second water path switch valve and pressure transmitter, the outlet pipe of water heater is provided with outlet valve；Pipeline between pressure regulator valve and the first water path switch valve connects with draining relief tube and connectivity part is provided with Pressure gauge, and this draining relief tube is disposed with relief valve and pressure release pressure regulator valve；Pipeline between first water path switch valve and the second water path switch valve is connected with servo booster body；Pressure transmitter connects with PLC；Wherein, ball valve, pressure regulator valve, the first water path switch valve, the second water path switch valve, outlet valve, pressure release pressure regulator valve and relief valve being respectively arranged with YE, described YE PLC respectively connects and is controlled；Servo booster body connects with PLC and is controlled, and then, the water route voltage-withstand test of water heater just can carry out automatically, greatly improves the testing efficiency of leakage.
Servo booster body in the present invention connects with PLC and is controlled, owing to servomotor has accurate positioning, so the Stress control of servo booster body is very accurate, it is possible to reach the control accuracy of 0.01Mpa.Further, the pumping rate of servo booster body is fast, can reach setting pressure, ensure that the Accuracy and high efficiency of test in 10 seconds.
Test water source in the present invention both can adopt water under high pressure, it would however also be possible to employ tap water, when adopt water under high pressure time pumping rate can ratio comparatively fast, thus it is possible to improve work efficiency.
The present invention can realize fully-automated synthesis, Automatic-boosting, automatic pressure-maintaining, automatic decision pressure drop whether arranging in scope.Thus whether the water route realizing automatic decision water heater or wall-hung boiler leaks.
In sum, the present invention can realize full-automatic Leak Detection, and it is qualified automatically to judge whether, have easy and simple to handle, test accurately, the feature of good reliability, it is to avoid the uncertainty of manual detection.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the control block diagram of the present invention.
Fig. 3 is present invention schematic diagram when using.
Fig. 4 is the enlarged diagram of servo booster body.
In figure: 1 is ball valve, 2 is filter, 3 is pressure regulator valve, 4 is Pressure gauge, 5 is the first water path switch valve, 6 is the second water path switch valve, 7 is pressure transmitter, 8 is water heater, 9 is outlet valve, 10 is pressure release pressure regulator valve, 11 is relief valve, 12 is servo booster body, 20 is testboard, 21 is on and off switch, 22 is manipulation button, 23 is interface tube, 24 is operating platform, 25 is display screen, 26 take turns for foot, 31 is pressurized cylinder, 32 is drive and belt, 33 is ball screw, 34 is the first spacing proximity switch, 35 is the second spacing proximity switch, 36 is servomotor, 37 is connecting water pipe.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Referring to Fig. 1-Fig. 4, the automatic leakage device for detecting leakage of this water heater or wall-hung boiler, including water heater 8, the water inlet pipe of described water heater 8 is disposed with ball valve 1, filter 2, pressure regulator valve the 3, first water path switch valve the 5, second water path switch valve 6 and pressure transmitter 7, the outlet pipe of water heater 8 is provided with outlet valve 9；Pipeline between pressure regulator valve 3 with the first water path switch valve 5 connects with draining relief tube and is provided with Pressure gauge 4 in connectivity part, and this draining relief tube is disposed with relief valve 11 and pressure release pressure regulator valve 10；Pipeline between first water path switch valve 5 and the second water path switch valve 6 is connected with servo booster body 12；Pressure transmitter 7 connects with PLC；Wherein, ball valve 1, pressure regulator valve the 3, first water path switch valve the 5, second water path switch valve 6, outlet valve 9, pressure release pressure regulator valve 10 and relief valve 11 being respectively arranged with YE, described YE PLC respectively connects and is controlled；Servo booster body 12 connects with PLC and is controlled.
In the present embodiment, described PLC connects with computer.
Pressure transmitter 7 is for gathering the force value in water route, and PLC is mainly used in reading, collecting force value, and computer is used for processing pressure value.In the present embodiment, the water route pressure of water heater 8 obtains force value or pressure data by after pressure transmitter measurement, this force value or pressure data are sent to PLC, control servo booster body 12 output pressure to reach setup pressure value by PLC pid control algorithm.
The automatic leakage device for detecting leakage of described water heater or wall-hung boiler, also including testboard 20, the top of described testboard 20 is provided with display screen 25, and the middle part of testboard 20 is provided with operating platform 24, manipulation button 22 is arranged on the side of operating platform 24, and the bottom of testboard 20 is provided with interface tube 23.In this example it is shown that screen 25 can be computer screen.
Described testboard 20 side is provided with on and off switch 21.
The bottom of described testboard 20 is provided with castor 26.
Described servo booster body 12 includes servomotor 36, reducing gear, ball screw 33 and pressurized cylinder 31, see Fig. 4, servomotor 36 passes sequentially through reductor, ball screw 33 connects with pressurized cylinder 31, and pressurized cylinder 31 is connected by the pipeline between connecting water pipe 37 with the first water path switch valve 5 and the second water path switch valve 6.Servomotor is connected with computer by PLC.
Described servo booster body 12 also includes frame, and servomotor 36, reducing gear, ball screw 33 and pressurized cylinder 31 are arranged in frame, and reducing gear includes drive and belt 32；In this frame, corresponding ball screw 33 is provided with the first spacing proximity switch 34 and the second spacing proximity switch 35, and this first spacing proximity switch 34 and the second spacing proximity switch 35 are arranged along the direction of ball screw 33.Certainly, reducing gear can also adopt gear pair.
During supercharging, the servomotor with reductor rotates, and is stretched out by one end with dynamic air cylinder of ball screw, and one end of cylinder connects water heater 8 water route.By the water in cylinder compression water heater 8 water route, to reach the effect of supercharging.If pressure is excessive, then servomotor reversion, is retracted by one end with dynamic air cylinder of ball screw, the pressure reduction in water heater 8 water route.Owing to servomotor has accurate positioning, therefore, the Stress control of servo booster body 12 is very accurate, it is possible to reach the control accuracy of 0.01Mpa.Further, the pumping rate of servo booster body 12 is fast, can reach setting pressure in 10 seconds.
The operational approach of the automatic leakage device for detecting leakage of a kind of water heater or wall-hung boiler, comprises the following steps:
Step one, is connected the outlet of the water inlet pipe of water heater 8 and the second water path switch valve 6, and pressure transmitter 7 is arranged between the water inlet pipe of water heater 8 and the outlet of the second water path switch valve 6；The outlet pipe of water heater 8 is connected with outlet valve 9.
Step 2, opens first water path switch valve the 5, second water path switch valve 6 and outlet valve 9, water under high pressure or tap water flow to water heater 8 and flow out from the outlet pipe of water heater 8, and now, the air in the water route of water heater 8 is drained and is full of water in water route.
In the present embodiment, water source both can adopt water under high pressure, it would however also be possible to employ tap water, when adopt water under high pressure time pumping rate can ratio comparatively fast, thus it is possible to improve work efficiency.
During concrete operations, it is possible to first pass through the impurity that filter 2 filters in water under high pressure, then pass through pressure regulator valve 3 and reduce pressure, finally the pressure of water inlet is transferred to the pressure more slightly lower than setup pressure value just passable；Pressure regulation process can be watched very intuitively by Pressure gauge 4.
Wherein, setup pressure value is referred to national standard, it is also possible to more slightly higher than national standard.
Step 3, after 2～10 seconds, closes outlet valve 9 and the first water path switch valve 5 by computer control PLC.
Step 4, starts servo booster body 12 and by the pressure boost in the water route of water heater 8 to setup pressure value by computer control PLC.
Step 5, when the pressure in the water route of water heater 8 reaches setup pressure value, starts pressurize, initial pressure value when simultaneously being started by computer recording pressurize.
Wherein, the time of pressurize is referred to national standard, it is also possible to more slightly longer than national standard.
Step 6, after pressurize starts, the computer control PLC water route pressure by pressure transmitter 7 Real-time Collection water heater 8, meanwhile, computer calculates voltage drop value；
During pressurize, when the voltage drop value calculated by Computer is more than default voltage drop value, computer judges that the water route of this water heater 8 is defective and reports to the police, and terminates the water route voltage-withstand test of this water heater 8 in advance simultaneously, enters step 7, releasing pressure automatically；
During pressurize, until the dwell time is when terminating, the voltage drop value calculated by Computer is all always less than default voltage drop value, and computer judges that the water route of this water heater 8 is qualified, then terminate water route voltage-withstand test, enters step 7, releasing pressure automatically.
Step 7, computer opens relief valve the 11, first water path switch valve 5 and the second water path switch valve 6 by PLC, and the pressure in the water route of water heater 8 is discharged by draining relief tube.
It follows that the water route stress test of another water heater can be carried out.
In the present embodiment, computer, as monitoring human-computer interface, has parameter setting, a function such as realtime curve, test result are checked.The system pressure of test, Stress control error can be set, preset the parameter such as voltage drop value, dwell time.In test process, it is possible in real time display test pressure, pressure drop, test remaining time etc..After test terminates, computer shows test result automatically.
Test boost range is 0.5～2Mpa, and owing to test pressure is high, therefore it is required that the waterway seal of water heater is good, the blank area in water route can not have seepage.The various switch valves adopted in water route require also very high, it is necessary to the requirement reach high pressure resistant, long service life, good stability, not leaking.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (8)
1. the automatic leakage device for detecting leakage of a water heater or wall-hung boiler, including water heater (8), it is characterized in that the water inlet pipe of described water heater (8) is disposed with ball valve (1), filter (2), pressure regulator valve (3), the first water path switch valve (5), the second water path switch valve (6) and pressure transmitter (7), the outlet pipe of water heater (8) is provided with outlet valve (9)；Pipeline between pressure regulator valve (3) with the first water path switch valve (5) connects with draining relief tube and is provided with Pressure gauge (4) in connectivity part, and this draining relief tube is disposed with relief valve (11) and pressure release pressure regulator valve (10)；Pipeline between first water path switch valve (5) and the second water path switch valve (6) is connected with servo booster body (12)；Pressure transmitter (7) connects with PLC；
Wherein, being respectively arranged with YE on ball valve (1), pressure regulator valve (3), the first water path switch valve (5), the second water path switch valve (6), outlet valve (9), pressure release pressure regulator valve (10) and relief valve (11), described YE PLC respectively connects and is controlled；Servo booster body (12) connects with PLC and is controlled.
2. the automatic leakage device for detecting leakage of water heater according to claim 1 or wall-hung boiler, is characterized in that described PLC connects with computer.
3. the automatic leakage device for detecting leakage of water heater according to claim 2 or wall-hung boiler, it is characterized in that also including testboard (20), the top of described testboard (20) is provided with display screen (25), the middle part of testboard (20) is provided with operating platform (24), manipulation button (22) is arranged on the side of operating platform (24), and the bottom of testboard (20) is provided with interface tube (23).
4. the automatic leakage device for detecting leakage of water heater according to claim 2 or wall-hung boiler, is characterized in that described testboard (20) side is provided with on and off switch (21).
5. the automatic leakage device for detecting leakage of water heater according to claim 2 or wall-hung boiler, is characterized in that the bottom of described testboard (20) is provided with castor (26).
6. the automatic leakage device for detecting leakage according to the arbitrary described water heater of claim 1 to 6 or wall-hung boiler, it is characterized in that described servo booster body (12) includes servomotor (36), reducing gear, ball screw (33) and pressurized cylinder (31), servomotor (36) passes sequentially through reductor, ball screw (33) connects with pressurized cylinder (31), and pressurized cylinder (31) is connected by the pipeline between connecting water pipe (37) with the first water path switch valve (5) and the second water path switch valve (6)；Servomotor (36) is connected with computer by PLC.
7. the automatic leakage device for detecting leakage according to the arbitrary described water heater of claim 6 or wall-hung boiler, it is characterized in that described servo booster body (12) also includes frame, servomotor (36), reducing gear, ball screw (33) and pressurized cylinder (31) are arranged in frame, and reducing gear includes drive and belt (32)；In this frame, corresponding ball screw (33) is provided with the first spacing proximity switch (34) and the second spacing proximity switch (35), this first spacing proximity switch (34) and the second spacing proximity switch (35) along the setting of the direction of ball screw (33).
8. an operational approach for the automatic leakage device for detecting leakage of water heater as claimed in claim 1 or wall-hung boiler, is characterized in that comprising the following steps:
Step one, the outlet of the water inlet pipe of water heater (8) and the second water path switch valve (6) being connected, pressure transmitter (7) is arranged between the water inlet pipe of water heater (8) and the outlet of the second water path switch valve (6)；The outlet pipe of water heater (8) is connected with outlet valve (9),
Step 2, open the first water path switch valve (5), the second water path switch valve (6) and outlet valve (9), water under high pressure or tap water flow to water heater (8) and flow out from the outlet pipe of water heater (8), now, the air in the water route of water heater (8) is drained and is full of water in water route；
Step 3, after 2～10 seconds, closes outlet valve (9) and the first water path switch valve (5) by computer control PLC；
Step 4, starts servo booster body (12) and by the pressure boost in the water route of water heater (8) to setup pressure value by computer control PLC；
Step 5, when the pressure in the water route of water heater (8) reaches setup pressure value, starts pressurize, initial pressure value when simultaneously being started by computer recording pressurize；
Step 6, after pressurize starts, the computer control PLC water route pressure by pressure transmitter (7) Real-time Collection water heater (8), meanwhile, computer calculates voltage drop value；
During pressurize, when the voltage drop value calculated by Computer is more than default voltage drop value, computer judges that the water route of this water heater (8) is defective and reports to the police, and terminates the water route voltage-withstand test of this water heater (8) in advance simultaneously, enter step 7, releasing pressure automatically；
During pressurize, until the dwell time is when terminating, the voltage drop value calculated by Computer is all always less than default voltage drop value, and computer judges that the water route of this water heater (8) is qualified, then terminate water route voltage-withstand test, enters step 7, releasing pressure automatically；
Step 7, computer opens relief valve (11), the first water path switch valve (5) and the second water path switch valve (6) by PLC, and the pressure in the water route of water heater (8) is discharged by draining relief tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610308023.8A CN105758599A (en) | 2016-05-11 | 2016-05-11 | Automatic leakage detecting device of water heater or wall-hung stove and operating method thereof |
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| CN201610308023.8A CN105758599A (en) | 2016-05-11 | 2016-05-11 | Automatic leakage detecting device of water heater or wall-hung stove and operating method thereof |
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| CN106706221A (en) * | 2016-12-14 | 2017-05-24 | 衡阳市力源动力制造有限公司 | Full-automatic water pressure detection equipment used for detecting pressure-bearing part of submersible motor |
| CN107941622A (en) * | 2017-11-23 | 2018-04-20 | 中国核工业第五建设有限公司 | AP1000 main control rooms are met an urgent need residence system pressure pilot system and method |
| CN108918053A (en) * | 2018-07-12 | 2018-11-30 | 罗莱生活科技股份有限公司 | Exchange heat mattress sealing ventilation tester and test method |
| CN109883626A (en) * | 2019-01-28 | 2019-06-14 | 北京铂阳顶荣光伏科技有限公司 | A kind of water route detection device, device and method |
| CN110400423A (en) * | 2019-07-31 | 2019-11-01 | 杭州鸿鹄电子有限公司 | A kind of multi-functional flowmeter of integral type Internet of Things and control method |
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| CN106706221A (en) * | 2016-12-14 | 2017-05-24 | 衡阳市力源动力制造有限公司 | Full-automatic water pressure detection equipment used for detecting pressure-bearing part of submersible motor |
| CN107941622A (en) * | 2017-11-23 | 2018-04-20 | 中国核工业第五建设有限公司 | AP1000 main control rooms are met an urgent need residence system pressure pilot system and method |
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