CN206129733U - Hose withstand voltage test hydraulic system for water heater - Google Patents
Hose withstand voltage test hydraulic system for water heater Download PDFInfo
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- CN206129733U CN206129733U CN201621094604.8U CN201621094604U CN206129733U CN 206129733 U CN206129733 U CN 206129733U CN 201621094604 U CN201621094604 U CN 201621094604U CN 206129733 U CN206129733 U CN 206129733U
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Abstract
The utility model relates to a technical field is tested to the hose for the water heater, concretely relates to hose withstand voltage test hydraulic system for water heater, including the oil groove, the variable pump, first check valve, the second check valve, first overflow valve, the second overflow valve, the energy storage ware, tribit four -way reversing valve, a one -way throttle valve, the 2nd one -way throttle valve, the booster, the hydraulically controlled check valve, your bi -pass switching -over valve, the basin, moisturizing pump and electric heater, the present invention has the advantages of simple structure, the enterprise uses cost is reduced, and convenient for operation, and the test efficiency is increased, can simulate hose withstand voltage test's for the water heater various conditions, thereby improve experimental accuracy.
Description
Technical field
This utility model is related to water heater flexible pipe technical field of measurement and test, and in particular to a kind of pressure examination of flexible pipe of water heater
Test hydraulic system.
Background technology
Water heater just referred to by various physical principles, makes cold water temperature raise the one kind for becoming hot water within a certain period of time
Device.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 after water is heated, being discharged water by flexible pipe, so just it has to be ensured that flexible pipe
Quality, when in use, hot water often causes water slug to flexible pipe, so require that flexible pipe has certain crushing resistance, therefore
Pressure test is carried out with flexible pipe to water heater, such that it is able to improve flexible pipe processing technique, so as to improve the matter of water heater flexible pipe
Amount, meets the use requirement of consumer.But at present, also it is not specifically designed for the device of water heater flexible pipe pressure test.
Utility model content
The purpose of this utility model is to provide a kind of simple structure, easy to operate water heater flexible pipe pressure test liquid
Pressure system.
In order to achieve the above object, the technical solution adopted in the utility model is：A kind of flexible pipe pressure test of water heater
Hydraulic system, including oil groove, variable pump, the first check valve, the 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 one-way throttle valve, supercharger, hydraulic control one-way valve, bi-bit bi-pass commutation
Valve, tank, small pump and electric heater, the import of the variable pump is connected with oil groove, and the outlet of the variable pump is single with first
Connect to the import of valve, the import, the P mouths of three position four-way directional control valve that export respectively with the first overflow valve of first check valve
Connect with the import of accumulator, the outlet of first overflow valve is connected with oil groove, the A mouths of the three position four-way directional control valve and the
The import connection of one one-way throttle 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
The T mouths of three position four-way directional control valve are connected with oil groove, and the supercharger includes low pressure chamber, rod chamber and high pressure chest, and described first is single
The low pressure chamber of outlet and supercharger to choke valve is connected, and the outlet of second one-way throttle valve connects with the rod chamber of supercharger
Connect, the import of the small pump is connected with tank, the outlet of the small pump is connected all the way with the import of the second overflow valve, another
Road is connected with the import of the second check valve, and the outlet of second overflow valve is connected with tank, the outlet of second check valve
It is connected with one end of tested flexible pipe, the other end of the tested flexible pipe is connected with the D mouths of supercharger high pressure chest, the supercharger is high
The C mouths in pressure chamber are connected with the outlet of hydraulic control one-way valve, the import of the hydraulic control one-way valve with tank, the control of the hydraulic control one-way valve
Donsole is connected with the A1 mouths of bi-bit bi-pass reversal valve, and the P1 mouths of the bi-bit bi-pass reversal valve and the outlet of the first check valve connect
Connect, the electric heater is arranged in tank for the water in heating water tank.
A kind of water heater flexible pipe pressure test hydraulic system as above, further illustrates as the variable pump
Import is provided with filter.
A kind of water heater flexible pipe pressure test hydraulic system as above, further illustrates as the supercharger is high
The D mouths in pressure chamber are provided with pressure gauge.
The beneficial effects of the utility model are：This apparatus structure is simple, reduces enterprise's use cost, easy to operate, carries
High test efficiency, can simulate the various conditions of water heater flexible pipe pressure test, so as to improve test accuracy.
Description of the drawings
Fig. 1 is this utility model structural representation.
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
Stream 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, supercharger；
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, tested flexible pipe.
Specific embodiment
This utility model embodiment is further elaborated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of water heater flexible pipe pressure test hydraulic system that this utility model is provided, 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, the commutation of accumulator 7,3-position 4-way
Valve 8, the first one-way throttle valve 9, the second one-way throttle valve 10, supercharger 11, hydraulic control one-way valve 12, bi-bit bi-pass reversal valve 13,
Tank 14, small pump 15 and electric heater 16.
Described supercharger 11 is the known technology of those skilled in the art, and simple elaboration, the supercharger are only done here
11 include low pressure chamber, rod chamber and high pressure chest, the simple structure of supercharger 11, the similar regulations and parameters principle of its work function, in boosting
Stage, fluid enters low pressure chamber, and pressure acts on its Radix Angelicae Dahuricae (Radix Heraclei Scabridi) beyond the Great Wall, promotes piston movement, according to mechanical balance, now valve piston
Also the pressure of an amplification can be moved and export, pressure ratio is two-piston area ratio, and now the medium in high pressure chest will
Exported with higher pressure, its specific internal structure is not illustrated here.
The variable pump 2 is the power source of whole system, to the offer hydraulic oil of the system so as to complete necessary dynamic
Make, the variable pump 2 can select plunger displacement 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 arrange filter 17, can be in system by filter 17
Hydraulic oil is filtered, so as to protect system in each equipment, extend 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 connection of the import of the first overflow valve 5, the P mouths of three position four-way directional control valve 8 and accumulator 7, first overflow valve 5 goes out
Mouth is connected with oil groove 1, and first overflow valve 5 makees relief valve and uses, and its pressure set points is decided in its sole discretion according to service condition, institute
Accumulator 7 is stated for accumulation of energy, while the impact that fluid is arranged to other can be reduced, oil liquid pressure gentle transition is made.
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, realize
The backflow of fluid.The outlet of first one-way throttle valve 9 is connected with the low pressure chamber of supercharger 11, second one-way throttle valve
10 outlet is connected with the rod chamber of supercharger 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 connects, and another road is connected with the import of the second check valve 4, and the outlet of second overflow valve 6 is connected with tank 14, in the same manner
Second overflow valve 6 also makees relief valve and uses.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 supercharger 11, and tested flexible pipe 19 as herein described refers both to water heater
Use flexible pipe.
The C mouths of the high pressure chest of the supercharger 11 and the outlet of hydraulic control one-way valve 12, the import of the hydraulic control one-way valve 12 with
Tank 14 connects, 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, ensure that supercharger 11 is high by arranging hydraulic control one-way valve 12
The safety in pressure chamber, while can be used for pressure release, hereafter will elaborate to its operation principle.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 supercharger 11.
The electric heater 16 is arranged on for the water in heating water tank in tank 14, because tested flexible pipe 19 is all work
In the condition of high temperature, so the use environment of tested flexible pipe 19 can be simulated by arranging electric heater 16, so as to ensure pressure examination
The accuracy tested.
Utility model works principle is：Water heater flexible pipe pressure test is divided into pressurization stages, packing stage and pressure release
Stage three phases, during on-test, make three position four-way directional control valve 8 be located at intermediate stations, start small pump 15, increase water filling
In the high pressure chest of depressor 11 and tested flexible pipe 19, start variable pump 2, to accumulator 7 energy is filled.Next, three position four-way directional control valve 8
Left station is changed to by intermediate stations, the energy of accumulator storage is laggard by the one-way throttle valve 9 of three position four-way directional control valve 8 and first
To enter promote in the low pressure chamber of supercharger 11 piston rod and move right, so as to realize the supercharging to tested flexible pipe 19, be as pressurized rank
Section, when pressure reaches certain value, makes three position four-way directional control valve 8 change to intermediate stations by left station, at this moment because first is unidirectional
The effect of the one-way throttle valve 10 of choke valve 9 and second, the piston rod in supercharger 11 is failure to actuate, i.e., at this moment in tested flexible pipe 19
Pressure value is constant, completes packing stage, after reaching the pressurize testing time, by the commutation of bi-bit bi-pass reversal valve 13, you can
Open hydraulic control one-way valve 12, so as to discharge pressure, the pressure release stage completes, that is, a pressure test is completed, in process of the test
In, if the hypertonia of the high pressure chest of supercharger 11, it is also possible to which the commutation for being reached by bi-bit bi-pass reversal valve 13 carrys out pressure release, in
Only test, so as to protection equipment and personal safety.
This utility model is not limited to examples detailed above, in claims limited range of the present utility model, this
The various modifications or modification that art personnel can make without creative work are protected by this patent.
Claims (3)
1. a kind of 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, supercharger, 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 is changed
It is connected with the import of the second one-way throttle valve to the B mouths of 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 the first one-way throttle valve is connected with the low pressure chamber of supercharger, institute
State the outlet of the second one-way throttle valve to be connected with the rod chamber of supercharger, the import of the small pump is connected with tank, the benefit
The outlet of water pump is connected all the way with the import of the second overflow valve, and another road 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 supercharger high pressure chest, the C mouths of the supercharger high pressure chest and the outlet of hydraulic control one-way valve, 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 is arranged in tank for heating
Water in tank.
2. a kind of 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.
3. a kind of 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 |
|---|---|---|---|
| CN201621094604.8U CN206129733U (en) | 2016-09-30 | 2016-09-30 | Hose withstand voltage test hydraulic system for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621094604.8U CN206129733U (en) | 2016-09-30 | 2016-09-30 | Hose withstand voltage test hydraulic system for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129733U true CN206129733U (en) | 2017-04-26 |
Family
ID=58571604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621094604.8U Expired - Fee Related CN206129733U (en) | 2016-09-30 | 2016-09-30 | Hose withstand voltage test hydraulic system for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612668A (en) * | 2017-09-30 | 2019-04-12 | 宁波方太厨具有限公司 | A kind of water hammer test macro and test method |
-
2016
- 2016-09-30 CN CN201621094604.8U patent/CN206129733U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612668A (en) * | 2017-09-30 | 2019-04-12 | 宁波方太厨具有限公司 | A kind of water hammer test macro and test method |
| CN109612668B (en) * | 2017-09-30 | 2021-01-19 | 宁波方太厨具有限公司 | Water hammer test system and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20170930 |