CN108318239A - Test system for solar water container PT valves - Google Patents
Test system for solar water container PT valves Download PDFInfo
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- CN108318239A CN108318239A CN201810282052.0A CN201810282052A CN108318239A CN 108318239 A CN108318239 A CN 108318239A CN 201810282052 A CN201810282052 A CN 201810282052A CN 108318239 A CN108318239 A CN 108318239A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 238000012360 testing method Methods 0.000 title claims abstract description 97
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 3
- 239000002828 fuel tank Substances 0.000 claims description 14
- 238000005485 electric heating Methods 0.000 claims description 10
- 208000002925 dental caries Diseases 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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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
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention provides a kind of test systems for solar water container PT valves, belong to field of mechanical technique.It solves the problems, such as that the prior art is cumbersome there is testing.This is used for the test system of solar water container PT valves, including a rack, it is characterized in that, this system further includes the heating mechanism being connected in rack, water tank, test box, pressing mechanism and trigger mechanism, it is the positioning region having on cavity and test box for positioning PT valves inside above-mentioned test box, the probe of PT valves is located in test box after PT valves are connected with positioning region, it is connected by water inlet pipe and return pipe between above-mentioned water tank and test box, water pump is in series on above-mentioned water inlet pipe, above-mentioned heating mechanism part is located in water tank and can heat the water in water tank.The test system and test that this is used for solar water container PT valves is simple.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of test system for solar water container PT valves.
Background technology
Solar water container PT valves are used to be mounted in solar water container, when water the temperature inside the box or pressure reach design threshold values,
Meeting releasing pressure automatically reduces temperature and pressure, plays a kind of valve of safeguard protection, and unlatching is controlled by temperature and pressure.
There are two types of situations for the damage of solar water container PT valves：
One, water tank internal pressure normally-open can not be caused excessive or high temperature cause water tank damage or other danger；
Secondly, under less than defined pressure, temperature tune part automatically turn on cause thermal water resource to waste.
Invention content
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, providing, a kind of testing cost is low and stability is high
The test system for solar water container PT valves.
Object of the invention can be realized by the following technical scheme：
A kind of test system for solar water container PT valves, including a rack, which is characterized in that this system further includes connecting
Heating mechanism, water tank, test box, pressing mechanism and the trigger mechanism being connected in rack, be inside above-mentioned test box cavity and
There is the positioning region for positioning PT valves on test box, the probe of PT valves is located in test box after PT valves are connected with positioning region,
It is connected by water inlet pipe and return pipe between above-mentioned water tank and test box, water pump, above-mentioned heating is in series on above-mentioned water inlet pipe
Mechanism section is located in water tank and can heat the water in water tank, and above-mentioned pressing mechanism can increase air pressure in test box, when
Temperature in test box can trigger PT valve events when reaching set temperature, can be touched when the air pressure in test box reaches set temperature
PT valve events are sent out, trigger mechanism opens water pump and pressing mechanism is made to stop pressurization operation when original state, after above-mentioned PT valve events
Water pump can be closed under the action of trigger mechanism and pressing mechanism is made to act.
This system is creative to be connected to heating mechanism and pressing mechanism on test box, above-mentioned heating mechanism and pressuring machine
Structure intermittent action.That is, the temperature in test box is made to reach setting value after heating mechanism operation, it is connected at positioning region
PT valve stable detections to temperature signal after generate corresponding action and execute.
PT valve events can be such that trigger mechanism acts after executing, and can close heating mechanism after trigger mechanism action, and make to add
Press mechanism acts, to make the air pressure in test box reach setting value.After the air pressure in test box reaches setting value, touch
Hair mechanism makes heating mechanism stopping act, and so that heating mechanism is acted again, and so on, above-mentioned heating mechanism and pressing mechanism
Frequent switching action.
As can be seen that the PT valves being connected at positioning region are frequently detected by temperature and air pressure, once one wherein
Link test crash, PT valves can not be opened, and test process terminates.
In the above-mentioned test system for solar water container PT valves, the heating mechanism includes fuel tank, electrical heating
Bar, heating coil and oil pump, for being connected with power supply, electric heating rod inner end is located in fuel tank, described for above-mentioned electric heating rod outer end
Fuel tank internal is cavity and heats oil for storing, and the both ends of above-mentioned heating coil are connected with fuel tank, above-mentioned oil pump series connection
Have on heating coil, in the middle part of heating coil and is located in water tank in the bringing-up section and bringing-up section of screw thread shape.
Electric heating rod can make the oil in fuel tank reach set temperature after being powered, and the fluid after being heated under the action of oil pump is suitable
It is smooth in heating dish Bottomhole pressure, since heating coil is located in water tank, so as to which the water in water tank is stablized heating.
Further include a water supply pipe, water supply pipe inner end and storage in the above-mentioned test system for solar water container PT valves
Water tank is connected, and water supply pipe outer end with water source for being connected.
During the test, water can consume, and the water in water tank can be timely supplemented by water supply pipe.
In the above-mentioned test system for solar water container PT valves, being connected on the water tank can detect inside it
The temperature sensor one of temperature.
Water storage the temperature inside the box can be got information about by temperature sensor one.
In the above-mentioned test system for solar water container PT valves, valve is in series on the water inlet pipe and outlet pipe
Door.
Heating mechanism not job state when, above-mentioned valve can be closed.
In the above-mentioned test system for solar water container PT valves, being connected on the test box can detect inside it
The temperature sensor two of temperature.
Test the temperature inside the box can be got information about by temperature sensor two.
In the above-mentioned test system for solar water container PT valves, pressure sensor is connected on the test box.
It can intuitively understand test the temperature inside the box by pressure sensor.
In the above-mentioned test system for solar water container PT valves, the pressing mechanism include gas buffer tank,
Air pressure regulator one, air pressure regulator two and connecting tube, above-mentioned air pressure regulator one, gas buffer tank and air pressure regulator two by
Front to back is cascaded by connecting tube, and for being connected with air source, connecting tube inner end is connected with test box for connecting tube outer end.
Air pressure regulator one can control the gas flow into gas buffer tank, and air pressure regulator can be controlled into test
Gas flow in case.
Further include cylinder and piston in the above-mentioned test system for solar water container PT valves, above-mentioned cylinder is in cylinder
Shape and cylinder is connected on test box, above-mentioned piston is located at cylinder middle section and cylinder is divided into two adjacent cavitys of left and right：
Cavity one and cavity two, above-mentioned cavity one are connected with test box, and above-mentioned connecting tube is connected with cavity two, the cavity two
On also have and the extraneous exhaust outlet communicated.
After gas in gas buffer tank enters cylinder due to air pressure regulator one, piston is pushed, and is surveyed to increase
Try pressure in case.
Conversely, stopping after being passed through gas, the gas in cylinder is arranged outwardly by exhaust outlet, and the air pressure in test box is made to restore
Normally.
Certainly, in order to avoid outside air is entered by exhaust outlet in cylinder, exhaust ports are provided with check valve, unidirectional
Make gas can only be from being discharged to the external world in cylinder under the action of valve.
In the above-mentioned test system for solar water container PT valves, the company between the cylinder and air pressure regulator one
It takes over and is in series with steam supply valve.
Gas can be cut off by steam supply valve, or so that gas is stablized and enters in cylinder.
In the above-mentioned test system for solar water container PT valves, weight sensor is fixed in the rack, and
Weight sensor is located at the discharge outlet lower part of PT valves, and above-mentioned trigger mechanism includes that movable contact spring, circuit loop one and circuit return
Road two has normally opened contact one on foregoing circuit circuit one and water pump is connect with circuit loop one, has on foregoing circuit circuit two
There is normally opened contact two and steam supply valve is connect with circuit loop two, movable contact spring contacts with normally opened contact one and makes circuit when original state
Circuit one be powered, when weight sensor action after can make movable contact spring be detached from normally opened contact one, can make the movable contact spring after swing with often
Contact two is opened to contact and circuit loop two is made to be powered.
Movable contact spring is ordinary construction, i.e.,：Movable contact spring inner end is hinged in rack, and is had between movable contact spring inner end and rack
There is spring, movable contact spring has the trend being resisted against on normally opened contact one under the elastic force effect of spring.Also have one in rack
Electromagnet, for electromagnet by that can overcome spring force after point and adsorb movable contact spring, the movable contact spring adsorbed is detached from normally opened contact one,
And it is resisted against on normally opened contact two.
Certainly, the action of movable contact spring is controlled it by the detection signal that weight sensor is sent out.
When above-mentioned temperature or air pressure reach setting value, PT valves are failure to actuate the (temperature or air pressure that PT valves cloth can be in setting
Lower action), at this point, tested PT valves are unqualified.
Specifically, being connected with drip tray on weight sensor, drip tray is located at the underface of the water outlet of PT valves.One
Denier PT valve tests fail, and the water outlets of PT valves does not have the water discharge of sufficient amount, the alarm being connect with weight controller signal,
Corresponding alarm signal can be sent out.
Compared with prior art, this is used in the test system of solar water container PT valves due to can frequently be carried out to PT valves
Temperature and pressure is tested, therefore, convenient test.
Simultaneously as water may be implemented in water tank and test box internal circulation flow under pressure and temperature coupling
Fatigue experiment, testing cost is low and stability is high.
Description of the drawings
Fig. 1 is this structural schematic diagram for the test system of solar water container PT valves.
In figure, 1, rack；2, heating mechanism；2a, fuel tank；2b, electric heating rod；2c, heating coil；2d, oil pump；3, water storage
Case；4, test box；4a, positioning region；5, pressing mechanism；5a, gas buffer tank；5b, air pressure regulator one；5c, air pressure regulator
Two；5d, connecting tube；5e, cylinder；5e1, cavity one；5e2, cavity two；5e21, exhaust outlet；5f, piston；5g, steam supply valve；6, it touches
Send out mechanism；7, water inlet pipe；8, return pipe；9, water pump；10, water supply pipe；11, temperature sensor one；12, temperature sensor two；13、
Valve；14, pressure sensor；15, weight sensor；16, drip tray；17, PT valves.
Specific implementation mode
As shown in Figure 1, this is used for the test system of solar water container PT valves, including a rack 1, this system further includes connection
Heating mechanism 2, water tank 3, test box 4, pressing mechanism 5 in rack and trigger mechanism 6,4 inside of above-mentioned test box is sky
There is the positioning region 4a for positioning PT valves 17, the spy of PT valves 17 after PT valves 17 are connected with positioning region 4a on chamber and test box 4
Head is located in test box 4, is connected by water inlet pipe 7 and return pipe 8 between above-mentioned water tank 3 and test box 4, above-mentioned water inlet pipe 7
On be in series with water pump 9,2 part of above-mentioned heating mechanism is located in water tank 3 and can heat the water in water tank 3, above-mentioned pressurization
5 structure of machine can increase air pressure in test box 4, and the action of PT valves 17 can be triggered when the temperature in test box 4 reaches set temperature, works as survey
Air pressure in examination case 4 can trigger the action of PT valves 17 when reaching set temperature, when original state trigger mechanism open water pump 9 and make plus
Press mechanism stops pressurization operation, and water pump 9 can be closed after acting under the action of trigger mechanism 6 and make pressuring machine by above-mentioned PT valves 17
Structure 5 acts.
The heating mechanism includes fuel tank 2a, electric heating rod 2b, heating coil 2c and oil pump 2d, above-mentioned electric heating rod 2b
Outer end is used to be connected with power supply, and the inner ends electric heating rod 2b are located in fuel tank 2, and 2 inside of the fuel tank is cavity and adds for storing
The both ends of deep fat, above-mentioned heating coil 2c are connected with fuel tank 2a, and above-mentioned oil pump 2d is connected on heating coil 2c, heating dish
Have in the middle part of pipe 2c and is located in water tank 3 in the bringing-up section and bringing-up section of screw thread shape.
Further include a water supply pipe 10,10 inner end of water supply pipe is connected with water tank 3, and 10 outer end of water supply pipe is used for and water source phase
Even.
The temperature sensor 1 of its internal temperature can be detected by being connected on the water tank 3.
It is in series with valve 13 on the water inlet pipe 7 and outlet pipe 8.
The temperature sensor 2 12 of its internal temperature can be detected by being connected on the test box 4.
Pressure sensor 14 is connected on the test box 4.
The pressing mechanism includes gas buffer tank 5a, one 5b of air pressure regulator, two 5c of air pressure regulator and connecting tube
5d, one 5b of above-mentioned air pressure regulator, gas buffer tank 5a and two 5c of air pressure regulator are connected on by connecting tube 5d from front to back
Together, for being connected with air source, the inner ends connecting tube 5d are connected with test box 4 for the outer ends connecting tube 5d.
Further include cylinder 5e and piston 5f, above-mentioned cylinder 5e is cylindrical in shape and cylinder 5e is connected on test box 4, above-mentioned piston
5f is located in the middle part of cylinder 5e and cylinder 5e is divided into two adjacent cavitys of left and right：One 5e1 of cavity and cavity two 5e2, it is above-mentioned
One 5e1 of cavity is connected with test box 4, and above-mentioned connecting tube 5d is connected with two 5e2 of cavity, also has on two 5e2 of the cavity
There is the exhaust outlet 5e21 communicated with the external world.
It is in series with steam supply valve 5g in connecting tube between one 5b of the cylinder 5e and air pressure regulator.
Weight sensor 15 is fixed in the rack, and weight sensor 15 is located at the discharge outlet lower part of PT valves 17,
Above-mentioned trigger mechanism includes movable contact spring, circuit loop one and circuit loop two, has normally opened contact on foregoing circuit circuit one
One and water pump connect with circuit loop one, on foregoing circuit circuit two there is normally opened contact two and steam supply valve to connect with circuit loop two
It connects, movable contact spring contacts with normally opened contact one and circuit loop one is made to be powered when original state, can make after weight sensor action
Movable contact spring is detached from normally opened contact one, and the movable contact spring after swing can be made to be contacted with normally opened contact two and circuit loop two is made to be powered.
This system is creative to be connected to heating mechanism and pressing mechanism on test box, above-mentioned heating mechanism and pressuring machine
Structure intermittent action.That is, the temperature in test box is made to reach setting value after heating mechanism operation, it is connected at positioning region
PT valve stable detections to temperature signal after generate corresponding action and execute.
PT valve events can be such that trigger mechanism acts after executing, and can close heating mechanism after trigger mechanism action, and make to add
Press mechanism acts, to make the air pressure in test box reach setting value.After the air pressure in test box reaches setting value, touch
Hair mechanism makes heating mechanism stopping act, and so that heating mechanism is acted again, and so on, above-mentioned heating mechanism and pressing mechanism
Frequent switching action.
As can be seen that the PT valves being connected at positioning region are frequently detected by temperature and air pressure, once one wherein
Link test crash, PT valves can not be opened, and test process terminates.
Claims (10)
1. a kind of test system for solar water container PT valves, including a rack, which is characterized in that this system further includes connection
Heating mechanism, water tank, test box, pressing mechanism in rack and trigger mechanism, above-mentioned test box inside is cavity and survey
The positioning region for having for positioning PT valves on case is tried, the probe of PT valves is located in test box after PT valves are connected with positioning region, on
It states and is connected by water inlet pipe and return pipe between water tank and test box, water pump, above-mentioned heater are in series on above-mentioned water inlet pipe
Structure part is located in water tank and can heat the water in water tank, and above-mentioned pressing mechanism can increase air pressure in test box, work as survey
Temperature in examination case can trigger PT valve events when reaching set temperature, can be triggered when the air pressure in test box reaches set temperature
PT valve events, trigger mechanism opens water pump and pressing mechanism is made to stop pressurization operation when original state, after above-mentioned PT valve events
Water pump can be closed under the action of trigger mechanism and pressing mechanism is made to act.
2. the test system according to claim 1 for solar water container PT valves, which is characterized in that the heater
Structure includes fuel tank, electric heating rod, heating coil and oil pump, and above-mentioned electric heating rod outer end with power supply for being connected, in electric heating rod
End is located in fuel tank, and the fuel tank internal is cavity and for storing heating oil, the both ends of above-mentioned heating coil with fuel tank phase
Connection, above-mentioned oil pump are connected on heating coil, are had in the middle part of heating coil and are located at storage in the bringing-up section and bringing-up section of screw thread shape
In water tank.
3. the test system according to claim 2 for solar water container PT valves, which is characterized in that further include a moisturizing
Pipe, water supply pipe inner end are connected with water tank, and water supply pipe outer end with water source for being connected.
4. the test system according to claim 3 for solar water container PT valves, which is characterized in that on the water tank
The temperature sensor one of its internal temperature can be detected by being connected with.
5. the test system according to claim 4 for solar water container PT valves, which is characterized in that the water inlet pipe and
Valve is in series on outlet pipe.
6. the test system according to claim 5 for solar water container PT valves, which is characterized in that on the test box
The temperature sensor two of its internal temperature can be detected by being connected with.
7. the test system according to claim 6 for solar water container PT valves, which is characterized in that on the test box
It is connected with pressure sensor.
8. the test system according to claim 7 for solar water container PT valves, which is characterized in that the pressuring machine
Structure includes gas buffer tank, air pressure regulator one, air pressure regulator two and connecting tube, above-mentioned air pressure regulator one, gas buffer
Case and air pressure regulator two are cascaded by connecting tube from front to back, and connecting tube outer end with air source for being connected, connecting tube
Inner end is connected with test box.
9. the test system according to claim 8 for solar water container PT valves, which is characterized in that further include cylinder and
Piston, above-mentioned cylinder is cylindrical in shape and cylinder is connected on test box, and above-mentioned piston is located at cylinder middle section and cylinder is divided into a left side
Right two adjacent cavitys：Cavity one and cavity two, above-mentioned cavity one are connected with test box, above-mentioned connecting tube and cavity two-phase
Connection is logical, also has the exhaust outlet communicated with the external world on the cavity two.
10. the test system according to claim 9 for solar water container PT valves, which is characterized in that the cylinder with
It is in series with steam supply valve in connecting tube between air pressure regulator one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282052.0A CN108318239A (en) | 2018-04-02 | 2018-04-02 | Test system for solar water container PT valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282052.0A CN108318239A (en) | 2018-04-02 | 2018-04-02 | Test system for solar water container PT valves |
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| CN108318239A true CN108318239A (en) | 2018-07-24 |
Family
ID=62899966
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282052.0A Pending CN108318239A (en) | 2018-04-02 | 2018-04-02 | Test system for solar water container PT valves |
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