CN107882779A - A kind of water heater flexible pipe pressure test hydraulic system - Google Patents
A kind of water heater flexible pipe pressure test hydraulic system Download PDFInfo
- Publication number
- CN107882779A CN107882779A CN201610867341.8A CN201610867341A CN107882779A CN 107882779 A CN107882779 A CN 107882779A CN 201610867341 A CN201610867341 A CN 201610867341A CN 107882779 A CN107882779 A CN 107882779A
- Authority
- CN
- China
- Prior art keywords
- valve
- way
- import
- flexible pipe
- mouths
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
Abstract
The present invention relates to water heater flexible pipe technical field of measurement and test, more particularly to a kind of water heater flexible pipe pressure test hydraulic system, including oil groove, variable pump, first check valve, second check valve, first overflow valve, second overflow valve, accumulator, three position four-way directional control valve, first one-way throttle valve, second one-way throttle valve, booster, hydraulic control one-way valve, bi-bit bi-pass reversal valve, tank, small pump and electric heater, the present apparatus is simple in construction, reduce enterprise's use cost, it is easy to operate, improve test efficiency, the various conditions of water heater flexible pipe pressure test can be simulated, so as to improve test accuracy.
Description
Technical field
The present invention relates to water heater flexible pipe technical field of measurement and test, and in particular to a kind of water heater flexible pipe pressure test liquid
Pressure system.
Background technology
Water heater just refers to the one kind for by various physical principles, making cold water temperature rise become hot water within a certain period of time
Device.It can be divided into electric heater, gas heater, solar water heater, magnetic energy water heater, air energy thermal water according to principle difference
Device, water heater in central heating etc..Water heater discharged water after water is heated by flexible pipe, so just it has to be ensured that flexible pipe
Quality, when in use, hot water often cause water slug to flexible pipe, so requiring flexible pipe to have certain crushing resistance, therefore
Pressure test is carried out with flexible pipe to water heater, so as to improve flexible pipe processing technology, so as to improve the matter of water heater flexible pipe
Amount, meet the requirement of consumer.But at present, the also device not specifically for water heater with flexible pipe pressure test.
The content of the invention
It is an object of the invention to provide a kind of water heater simple in construction, easy to operate flexible pipe pressure test hydraulic pressure system
System.
In order to achieve the above object, the technical solution adopted by the present invention is：A kind of water heater flexible pipe pressure test hydraulic pressure
System, including oil groove, variable pump, the first check valve, the second check valve, the first overflow valve, the second overflow valve, accumulator, three
Four-way reversing valve, the first one-way throttle valve, the second one-way throttle valve, booster, hydraulic control one-way valve, bi-bit bi-pass reversal valve, water
Groove, small pump and electric heater, the import of the variable pump are connected with oil groove, outlet and the first check valve of the variable pump
Import connects, the outlet import with the first overflow valve, the P mouths of three position four-way directional control valve and the accumulation of energy respectively of first check valve
The import connection of device, the outlet of first overflow valve is connected with oil groove, A mouths of the three position four-way directional control valve and first unidirectional
The import connection of choke valve, the B mouths of the three position four-way directional control valve are connected with the import of the second one-way throttle valve, described three four
The T mouths of logical reversal valve are connected with oil groove, and the booster includes low pressure chamber, rod chamber and high pressure chest, first one-way throttle
The outlet of valve and the low pressure chamber of booster connect, and the outlet of second one-way throttle valve and the rod chamber of booster connect, institute
The import for stating small pump is connected with tank, and import of the outlet all the way with the second overflow valve of the small pump be connected, another way and
The import connection of second check valve, the outlet of second overflow valve are connected with tank, the outlet of second check valve and quilt
One end connection of flexible pipe is surveyed, the other end of the tested flexible pipe is connected with the D mouths of booster high pressure chest, the booster high pressure chest
C mouths and hydraulic control one-way valve outlet, the import of the hydraulic control one-way valve is connected with tank, the control mouth of the hydraulic control one-way valve
It is connected with the A1 mouths of bi-bit bi-pass reversal valve, the P1 mouths of the bi-bit bi-pass reversal valve are connected with the outlet of the first check valve, institute
State electric heater and be arranged on the water being used in tank in heating water tank.
A kind of water heater flexible pipe pressure test hydraulic system as described above, further illustrates and is, the variable pump
Import is provided with filter.
A kind of water heater flexible pipe pressure test hydraulic system as described above, further illustrate to be that the booster is high
The D mouths of pressure chamber are provided with pressure gauge.
The beneficial effects of the invention are as follows：The present apparatus is simple in construction, reduces enterprise's use cost, easy to operate, improves
Test efficiency, the various conditions of water heater flexible pipe pressure test can be simulated, so as to improve test accuracy.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1st, oil groove；2nd, variable pump；3rd, the first check valve；4th, the second check valve；5th, the first overflow valve；6th, second overflows
Flow valve；7th, accumulator；8th, three position four-way directional control valve；9th, the first one-way throttle valve；10th, the second one-way throttle valve；11st, booster；
12nd, hydraulic control one-way valve；13rd, bi-bit bi-pass reversal valve；14th, tank；15th, small pump；16th, electric heater；17th, filter；18th, press
Power table；19th, it is tested flexible pipe.
Embodiment
Embodiment of the present invention is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of water heater provided by the invention flexible pipe pressure test hydraulic system, including oil groove 1, variable
Pump 2, the first check valve 3, the second check valve 4, the first overflow valve 5, the second overflow valve 6, accumulator 7, three position four-way directional control valve 8,
First one-way throttle valve 9, the second one-way throttle valve 10, booster 11, hydraulic control one-way valve 12, bi-bit bi-pass reversal valve 13, tank
14th, small pump 15 and electric heater 16.
Described booster 11 is the known technology of those skilled in the art, only does simple elaboration, the booster here
11 include low pressure chamber, rod chamber and high pressure chest, and booster 11 is simple in construction, and its work function is being boosted similar to regulations and parameters principle
Stage, fluid enter low pressure chamber, and pressure is acted on its big piston, promote piston movement, according to mechanical balance, now valve piston
Also it can move and export the pressure of an amplification, pressure ratio is two-piston area ratio, and now the medium in high pressure chest will
Exported with higher pressure, its specific internal structure does not illustrate here.
The variable pump 2 is the power source of whole system, the offer hydraulic oil to the system, completes it necessary dynamic
Make, the variable pump 2 can select plunger pump, or two-way variable displacement pump, not limit here.The import of the variable pump 2 with
Oil groove 1 connects, and the import of the variable pump 2 can also set filter 17, can be to entering in system by filter 17
Hydraulic oil is filtered, and so as to protect each equipment in system, extends the service life of equipment.
The outlet of the variable pump 2 is connected with the import of the first check valve 3, the outlet of first check valve 3 respectively with
The import of first overflow valve 5, the import of the P mouths and accumulator 7 of three position four-way directional control valve 8 connect, and first overflow valve 5 goes out
Mouth is connected with oil groove 1, and first overflow valve 5 does safety valve use, and its pressure set points is decided in its sole discretion according to service condition, institute
State accumulator 7 and be used for accumulation of energy, while the impact that fluid is set to other can be reduced, make oil liquid pressure gentle transition.
The A mouths of the three position four-way directional control valve 8 are connected with the import of the first one-way throttle valve 9, the 3-position 4-way commutation
The B mouths of valve 8 are connected with the import of the second one-way throttle valve 10, and the T mouths of the three position four-way directional control valve 8 are connected with oil groove 1, are realized
The backflow of fluid.The outlet of first one-way throttle valve 9 is connected with the low pressure chamber of booster 11, second one-way throttle valve
10 outlet is connected with the rod chamber of booster 11.
The import of the small pump 15 is connected with tank 14, the small pump 15 outlet all the way with the second overflow valve 6
Import is connected, and another way is connected with the import of the second check valve 4, and the outlet of second overflow valve 6 is connected with tank 14, similarly
Second overflow valve 6 also does safety valve use.The outlet of second check valve 4 is connected with one end of tested flexible pipe 19, institute
The other end for stating tested flexible pipe 19 is connected with the D mouths of the high pressure chest of booster 11, and tested flexible pipe 19 as described herein refers both to water heater
Use flexible pipe.
The C mouths of the high pressure chest of booster 11 and the outlet of hydraulic control one-way valve 12, the import of the hydraulic control one-way valve 12 with
Tank 14 is connected, and the control mouth of the hydraulic control one-way valve 12 is connected with the A1 mouths of bi-bit bi-pass reversal valve 13, the bi-bit bi-pass
The P1 mouths of reversal valve 13 are connected with the outlet of the first check valve 3, by setting hydraulic control one-way valve 12 to ensure that booster 11 is high
The safety of chamber is pressed, while can be used for pressure release, its operation principle will hereafter be elaborated.For the ease of viewing test process
In pressure value, be provided with pressure gauge 18 in the D mouths of the high pressure chest of booster 11.
The electric heater 16 is arranged on the water being used in tank 14 in heating water tank, because tested flexible pipe 19 is all work
In the condition of high temperature, so by setting electric heater 16 to simulate the use environment of tested flexible pipe 19, so as to ensure pressure-resistant examination
The accuracy tested.
Operation principle of the present invention is：Water heater is divided into pressurization stages, packing stage and pressure release stage with flexible pipe pressure test
Three phases, during on-test, three position four-way directional control valve 8 is located at intermediate stations, start small pump 15, water is filled booster
In 11 high pressure chest and tested flexible pipe 19, start variable pump 2, fill energy to accumulator 7.Next, three position four-way directional control valve 8 is in
Between station change to left station, the energy of accumulator storage is increased by entering after the one-way throttle valve 9 of three position four-way directional control valve 8 and first
Piston rod is promoted to move right in the low pressure chamber of depressor 11, so as to realize the supercharging to being tested flexible pipe 19, as pressurization stages, when
When pressure reaches certain value, three position four-way directional control valve 8 is set to change to intermediate stations by left station, at this moment due to the first one-way throttle valve
9 and second one-way throttle valve 10 effect, the piston rod in booster 11 is failure to actuate, i.e., the pressure value being at this moment tested in flexible pipe 19
It is constant, packing stage is completed, after reaching the pressurize testing time, passes through the commutation of bi-bit bi-pass reversal valve 13, you can make hydraulic control
Check valve 12 is opened, and so as to discharge pressure, the pressure release stage completes, that is, completes a pressure test, during experiment, if
The hypertonia of the high pressure chest of booster 11, it can also be tested at any time by the commutation of bi-bit bi-pass reversal valve 13 come pressure release, termination,
So as to protection equipment and personal safety.
The present invention is not limited to examples detailed above, in claims of the present invention limited range, art technology
The various deformations or amendments that personnel can make without creative work are protected by this patent.
Claims (3)
- A kind of 1. water heater flexible pipe pressure test hydraulic system, it is characterised in that：Including oil groove, variable pump, the first check valve, Second check valve, the first overflow valve, the second overflow valve, accumulator, three position four-way directional control valve, the first one-way throttle valve, the second list To choke valve, booster, hydraulic control one-way valve, bi-bit bi-pass reversal valve, tank, small pump and electric heater, the variable pump Import is connected with oil groove, and the outlet of the variable pump is connected with the import of the first check valve, the outlet point of first check valve The import of the P mouths and accumulator of import, three position four-way directional control valve not with the first overflow valve is connected, and first overflow valve goes out Mouth is connected with oil groove, and the A mouths of the three position four-way directional control valve are connected with the import of the first one-way throttle valve, and the 3-position 4-way changes It is connected to the B mouths of valve with the import of the second one-way throttle valve, the T mouths of the three position four-way directional control valve are connected with oil groove, the increasing Depressor includes low pressure chamber, rod chamber and high pressure chest, and the outlet of first one-way throttle valve and the low pressure chamber of booster connect, institute State the outlet of the second one-way throttle valve and the rod chamber of booster connects, the import of the small pump is connected with tank, the benefit Import of the outlet of water pump all the way with the second overflow valve is connected, and another way is connected with the import of the second check valve, and described second overflows The outlet of stream valve is connected with tank, and the outlet of second check valve is connected with one end of tested flexible pipe, the tested flexible pipe The other end is connected with the D mouths of booster high pressure chest, the outlet of the C mouths and hydraulic control one-way valve of the booster high pressure chest, the liquid The import of control check valve is connected with tank, and the control mouth of the hydraulic control one-way valve is connected with the A1 mouths of bi-bit bi-pass reversal valve, institute The P1 mouths for stating bi-bit bi-pass reversal valve are connected with the outlet of the first check valve, and the electric heater, which is arranged in tank, to be used to heat Water in tank.
- A kind of 2. water heater according to claim 1 flexible pipe pressure test hydraulic system, it is characterised in that：The variable The import of pump is provided with filter.
- A kind of 3. water heater according to claim 1 flexible pipe pressure test hydraulic system, it is characterised in that：The supercharging The D mouths of device high pressure chest are provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867341.8A CN107882779A (en) | 2016-09-30 | 2016-09-30 | A kind of water heater flexible pipe pressure test hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867341.8A CN107882779A (en) | 2016-09-30 | 2016-09-30 | A kind of water heater flexible pipe pressure test hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107882779A true CN107882779A (en) | 2018-04-06 |
Family
ID=61769804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867341.8A Pending CN107882779A (en) | 2016-09-30 | 2016-09-30 | A kind of water heater flexible pipe pressure test hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107882779A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185240A (en) * | 2018-11-16 | 2019-01-11 | 美钻深海能源科技研发（上海）有限公司 | Energy storage type is from pressure release pressurized construction and control method |
| CN111156209A (en) * | 2020-02-28 | 2020-05-15 | 雷沃工程机械集团有限公司 | Loader hydraulic steering system and loader |
| CN112727851A (en) * | 2020-11-25 | 2021-04-30 | 河南航天液压气动技术有限公司 | Three-comprehensive test platform based on pulse test and working method thereof |
-
2016
- 2016-09-30 CN CN201610867341.8A patent/CN107882779A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185240A (en) * | 2018-11-16 | 2019-01-11 | 美钻深海能源科技研发（上海）有限公司 | Energy storage type is from pressure release pressurized construction and control method |
| CN109185240B (en) * | 2018-11-16 | 2023-09-26 | 美钻深海能源科技研发（上海）有限公司 | Energy storage type self-pressure-relief pressurizing structure and control method |
| CN111156209A (en) * | 2020-02-28 | 2020-05-15 | 雷沃工程机械集团有限公司 | Loader hydraulic steering system and loader |
| CN111156209B (en) * | 2020-02-28 | 2022-03-01 | 雷沃工程机械集团有限公司 | Loader hydraulic steering system and loader |
| CN112727851A (en) * | 2020-11-25 | 2021-04-30 | 河南航天液压气动技术有限公司 | Three-comprehensive test platform based on pulse test and working method thereof |
| CN112727851B (en) * | 2020-11-25 | 2023-07-21 | 河南航天液压气动技术有限公司 | Three-comprehensive test platform based on pulse test and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180406 |
|
| WD01 | Invention patent application deemed withdrawn after publication |