CN110017948A - Testboard is used in cooler detection - Google Patents
Testboard is used in cooler detection Download PDFInfo
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- CN110017948A CN110017948A CN201910361216.3A CN201910361216A CN110017948A CN 110017948 A CN110017948 A CN 110017948A CN 201910361216 A CN201910361216 A CN 201910361216A CN 110017948 A CN110017948 A CN 110017948A
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- solenoid valve
- gas control
- cooler
- controller
- valve
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
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- General Physics & Mathematics (AREA)
- Fluid-Pressure Circuits (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention provides a kind of cooler detection testboard, comprising: control system, gas control collet, sink, lifting platform, frame；The sink installation is in the frame；Sink can be filled the water and be drained；Lifting platform is set in the sink, for carrying tested cooler；It is additionally provided with two gas control collets in each sink, is respectively used to two mouths of a river of connection cooler；Control system controls the gas control collet and lifting platform.Gas control collet includes outer shell, and hollow cavity is set in outer shell, and the inner end piston end of piston rod is set in the hollow cavity in outer shell, and hollow cavity is divided into left chamber and right chamber；Ventilating joint is connected to outer shell one end, and communicates with left chamber；Return spring is set in left chamber；It clamps and is connected to outer shell side wall and is communicated with right chamber；In the outer end of piston rod setting compression blob of viscose；It is equipped with the venthole of perforation in piston rod, is connected to left chamber and piston rod outer end end.The present invention improves the testing efficiency of cooler.
Description
Technical field
The present invention relates to a kind of test equipment, testboard is used in especially a kind of cooler detection.
Background technique
Cooler is made of two kinds of channels, and high temperature fluid passage and cry-fluid passage, high temperature fluid and cryogen exist
The reduction of high temperature fluid temperature is realized in temperature interaction in cooler.High temperature fluid passage will strictly be isolated with cry-fluid passage,
There is not allowed that leakage phenomenon, the most important process of cooler factory testing is pressure-resistant water inspection detection, traditional water checking functions list
One, dedicated water inspection module, heavy workload, labor intensity height are needed replacing when detecting different coolers.
Summary of the invention
It is an object of the invention to solve the deficiency of traditional water inspection equipment, a kind of cooler detection testboard is proposed, it is real
Existing versatility, convenience reduce labor intensity, improve operating efficiency.The technical solution adopted by the present invention is that:
A kind of cooler detection testboard, comprising: control system, gas control collet, sink, lifting platform, frame；
The sink installation is in the frame；Sink can be filled the water and be drained；
Lifting platform is set in the sink, for carrying tested cooler；
It is additionally provided with two gas control collets in each sink, is respectively used to two mouths of a river of connection cooler；
Control system controls the gas control collet and lifting platform.
Further, gas control collet includes outer shell, piston rod, ventilating joint, clamps, return spring, compression blob of viscose；
Hollow cavity is set in outer shell, the inner end piston end of piston rod is set in the hollow cavity in outer shell, and hollow cavity is divided into left chamber
And right chamber；Ventilating joint is connected to outer shell one end, and communicates with left chamber；Return spring is set in left chamber；It clamps and is connected to
Outer shell side wall is simultaneously communicated with right chamber；In the outer end of piston rod setting compression blob of viscose；The venthole of perforation, connection are equipped in piston rod
Left chamber and piston rod outer end end.
Further, locating part is equipped on the outside of the outer shell other end, piston rod outer end is equipped with step end, compresses blob of viscose position
Between locating part and step end.
Further, piston ring is additionally provided on the inner end piston end circumferential surface of piston rod.
Further, the control system includes:
Pressure regulator valve, the first solenoid valve, second solenoid valve, gas control water supply valve, check valve, third solenoid valve, Pneumatic draining valve door,
4th solenoid valve, lifting cylinder, the 5th solenoid valve, first flowmeter, the first gas control collet, the second gas control collet, second flow
Meter, the 6th solenoid valve, the first delayed relay module, the second delayed relay module, third delayed relay module, display mould
Block, controller, first switch, liquidometer, master switch, power conversion module；
The liquidometer installation is in the sink；
One end of pressure regulator valve for connecing total gas source, the other end pass through the air inlet of the first solenoid valve of piping connection and check valve one
End；
The working hole of first solenoid valve be separately connected by pipeline the air inlet of second solenoid valve, third solenoid valve air inlet,
The air inlet of 4th solenoid valve, the air inlet of the 5th solenoid valve, the 6th solenoid valve air inlet；The working hole of second solenoid valve is logical
Piping connection gas control water supply valve is crossed, the working hole of third solenoid valve passes through piping connection Pneumatic draining valve door, the 4th solenoid valve
Working hole connect lifting cylinder, the lifting cylinder is for driving lifting platform；
The working hole of 5th solenoid valve by the first gas control of piping connection collet clamp and ventilating joint；First gas control folder
Head is for connecting a mouth of a river of cooler；First flow is equipped on pipeline between the 5th solenoid valve and the first gas control collet
Meter；
The working hole of 6th solenoid valve is clamped by piping connection the second gas control collet；Second gas control collet is for connecting
Another mouth of a river on cooler；The ventilating joint of second gas control collet passes through the other end of piping connection check valve；Check valve
Conducting direction be from its other end to an extreme direction；Second is set on pipeline between check valve and the second gas control collet
Meter；
Controller is electrically connected the first solenoid valve, second solenoid valve；
Controller is electrically connected first switch one end, and the first switch other end is electrically connected third solenoid valve；
Controller is electrically connected the 4th solenoid valve by third delayed relay module；
Controller is electrically connected the 5th solenoid valve by the second delayed relay module；
Controller is electrically connected the 6th solenoid valve by the first delayed relay module；
First flowmeter and second flowmeter are electrically connected controller；
Controller is electrically connected display module and liquidometer；
The input of power conversion module is for connecting alternating current, exporting direct current and being connected to controller by power supply line；
Master switch is equipped in power supply line between power conversion module and controller.
Further, pressure gauge, the pressure gauge electricity are additionally provided on the pipeline between pressure regulator valve and the first solenoid valve
Connect controller.
Further, between pressure regulator valve and total gas source, it is additionally provided with an air dryer.
Further, controller is also electrically connected a buzzer.
Further, indicator light is additionally provided in the power supply line between power conversion module and controller.
Further, the indicator light is LED light emitting diode.
The present invention has the advantages that
1) high level automation control, sink can automatic water filling, waterproof, gas control collet can Automatic-clamping and release, lifting platform can
Automatic to rise and decline, whether controller judges automatically cooler qualified.
2) it tests in the sink, can also be by whether generation bubble assistant identification cooler be qualified.
3) a variety of coolers can be adapted to by gas control collet, versatility is stronger.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the working principle of the invention figure.
Fig. 3 is stomata chuck structure figure of the invention.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
As shown in Figure 1, a kind of cooler detection testboard proposed by the present invention, including control system 1, gas control collet 2,
Sink 3, lifting platform 4, frame 5；
The sink 3 is mounted in frame 5；In order to improve testing efficiency, two sinks 3 can be set in frame 5；Cooler peace
It is placed in sink 4 and tests, after cooler ventilation, if cooler has leakage, bubble can be observed in water, facilitate test
Person observes；
Sink 3 can be by artificial recharge and artificial drainage, such as the tap of top setting water filling, and discharge outlet is arranged in bottom；More
Excellently, sink 3 is also able to achieve automatic water filling and Auto-drainage, such as sink 3 is equipped with gas control water supply valve and Pneumatic draining valve
Door；
Lifting platform 4 is set in sink 3, and for carry tested cooler, lifting platform 4 drops to low level when test, cools down
Device submerges in the water in sink 3, and lifting platform rises after test, cooler is held up, to remove；
It is additionally provided with two gas control collets 2 in each sink 3, is respectively used to two mouths of a river of connection cooler；One of gas
The mouth of a river that collet 2 connects cooler is controlled, for ventilating；Another gas control collet 2 connects another mouth of a river of cooler, uses
In outlet；
Control system 1 controls the gas control collet 2 and lifting platform 4.
As shown in Fig. 2, gas control collet 2 includes outer shell 201, piston rod 202, ventilating joint 203,204, return of clamping
Spring 205, compression blob of viscose 206；
Hollow cavity is set in outer shell 201, the inner end piston end of piston rod 202 is set in the hollow cavity in outer shell 201, by hollow cavity
It is divided into left chamber 207 and right chamber 208；Ventilating joint 203 is connected to 201 one end of outer shell, and communicates with left chamber 207；It is set in left chamber 207
Set return spring 205；It clamps and 204 is connected to 201 side wall of outer shell and is communicated with right chamber 208；It is set in the outer end of piston rod 202
Set compression blob of viscose 206；It is equipped with the venthole of perforation in piston rod 202, is connected to left chamber 207 and 202 outer end end of piston rod；
Specifically, locating part 209 is equipped on the outside of 201 other end of outer shell, 202 outer end of piston rod is equipped with step end 210, compresses glue
Block 206 is between locating part 209 and step end 210；
When clamp 204 ventilation when, piston rod 202 is moved to the left, squeeze compression blob of viscose 206, will compression 206 tensioner of blob of viscose exist
In the mouth of a river of cooler；When clamp 204 die when, return spring 205 make piston rod 202 reset, gas control collet 2 is cold
But it is unclamped in the device mouth of a river；
Venthole in ventilating joint 203 and piston rod 202 realizes the gas intercommunication with cooler；
Piston ring 211 may further be provided on the inner end piston end circumferential surface of piston rod 202；
As shown in figure 3, control system 1 includes:
Air dryer 101, pressure regulator valve 102, pressure gauge 103, the first solenoid valve 104, second solenoid valve 105, gas control water compensating valve
Door 106, check valve 107, third solenoid valve 108, Pneumatic draining valve door 109, the 4th solenoid valve 110, lifting cylinder the 111, the 5th
Solenoid valve 112, first flowmeter 113, the first gas control collet 2a, the second gas control collet 2b, second flowmeter 117, the 6th electromagnetism
Valve 118, the first delayed relay module 119, the second delayed relay module 120, third delayed relay module 121, buzzing
Device 122, display module 123, controller 124, first switch 125, liquidometer 126, indicator light 127, master switch 128, power supply turn
Change the mold block 129；
The liquidometer 126 is mounted in sink 3；Controller 124 uses PLC controller；First switch 125 and master switch 128
It is all made of rotary switch；
For connecing total gas source, the other end passes through the air inlet of the first solenoid valve of piping connection 104 and unidirectional for one end of pressure regulator valve 102
One end of valve 107；Between pressure regulator valve 102 and total gas source, an air dryer 101 can also be further set；In pressure regulation
Pressure gauge 2, the electrical connection of pressure gauge 2 control can also be further set on the pipeline between valve 102 and the first solenoid valve 104
Device 124；
The working hole of first solenoid valve 104 is separately connected the air inlet of second solenoid valve 105, third solenoid valve 108 by pipeline
Air inlet, the air inlet of the 4th solenoid valve 110, the air inlet of the 5th solenoid valve 112, the 6th solenoid valve 118 air inlet；The
For the working hole of two solenoid valves 105 by piping connection gas control water supply valve 106, the working hole of third solenoid valve 108 passes through pipeline
Pneumatic draining valve door 109 is connected, the working hole of the 4th solenoid valve 110 connects lifting cylinder 111, and the lifting cylinder 111 is used for
Drive lifting platform 4；
The working hole of 5th solenoid valve 112 by piping connection the first gas control collet 2a clamp and ventilating joint；First
Gas control collet 2a is used to connect a mouth of a river of cooler 114；Pipe between the 5th solenoid valve 112 and the first gas control collet 2a
Road is equipped with first flowmeter 113；
The working hole of 6th solenoid valve 118 is clamped by piping connection the second gas control collet 2b's；Second gas control collet 2b
For connecting another mouth of a river on cooler 114；The ventilating joint of second gas control collet 2b passes through piping connection check valve 107
The other end；The conducting direction of check valve 107 is from its other end to an extreme direction；In check valve 107 and the second gas control collet
Second flowmeter 117 is set on the pipeline between 2b；
Controller 124 is electrically connected the first solenoid valve 104, second solenoid valve 105；
Controller 124 is electrically connected 125 one end of first switch, and 125 other end of first switch is electrically connected third solenoid valve 108；
Controller 124 is electrically connected the 4th solenoid valve 110 by third delayed relay module 121；
Controller 124 is electrically connected the 5th solenoid valve 112 by the second delayed relay module 120；
Controller 124 is electrically connected the 6th solenoid valve 118 by the first delayed relay module 119；
First flowmeter 113 and second flowmeter 117 are electrically connected controller 124；
Controller 124 is electrically connected buzzer 122, display module 123 and liquidometer 126；
The input of power conversion module 129 is for connecting alternating current, exporting direct current and being connected to controller by power supply line
124；
Master switch 128 is equipped in power supply line between power conversion module 129 and controller 124；In power conversion module
Indicator light 127 is additionally provided in power supply line between 129 and controller 124；
First solenoid valve 104 is control gas circuit master switch, and the first solenoid valve 104 is opened after 123 heat engine of controller is stablized, gas
Road is connected；External air source provide compressed air flowed to after air dryer 101, pressure regulator valve 102 each solenoid valve 104,
105,108,110,112,118；
Controller 123 identifies 125 signal of liquidometer, and control second solenoid valve 105 realizes automatic water supplement function；
Controller 123 controls third solenoid valve 108, and third solenoid valve 108 is opened when testboard needs to discharge water, and realization is put automatically
Water function；
4th solenoid valve 110 controls 111 lifting action of lifting cylinder, realizes lifting of lifting table；It is locked in two gas control collets 2a, 2b
Firmly about 10 seconds after two mouths of a river of cooler 114, lifting platform is begun to decline；4th solenoid valve 110 is by third delayed relay
Module 121 controls, and lifting platform lowers into tank water after lifting cylinder 111 is ventilated, third after duration of ventilation 1min, 1min
Delayed relay module 121 powers off, and the 4th solenoid valve 110, which resets, disconnects gas circuit, relies on spring reset liter inside lifting cylinder 111
Platform is dropped to rise；
5th solenoid valve 112 controls the first gas control collet 2a and carries out locking action, while ventilating to cooler 114；5th
The about several seconds can realize the first gas control collet 2a locking action after solenoid valve 112 is opened；First gas control collet 2a is by cooler 114
A mouth of a river ventilated while lock into cooler 114, the duration of ventilation of the first gas control collet 2a is 2min, is prolonged by second
Slow relay module 120 controls；First flowmeter 113 records flow and feeds back to controller 124；When cooler 114 is intact, the
The flow number of flow meters 113 is 0；Pressure release is automatically shut down the gas piping after 2min, the first gas control collet 2a unclamps；
6th solenoid valve 118 and 112 synchronization action of the 5th solenoid valve；6th solenoid valve 118 controls the second gas control collet 2b and carries out
Locking, the about several seconds can realize the second gas control collet 2b locking action after the 6th solenoid valve 118 is opened；Second gas control collet 2b will
It locks at another mouth of a river of cooler 114；Second gas control collet 2b clamp duration of ventilation be 2min, by first delay after
Electrical appliance module 119 controls；Second flowmeter 117 records flow and feeds back to controller 124；When cooler 114 is intact, second
The flow number of meter 117 is 0；Pressure release is automatically shut down the gas piping after 2min, the second gas control collet 2b unclamps；
Controller 124 compares the flow number of two flowmeters, when deviation is more than given threshold, is determined as cooler gas leakage,
Alarm is issued by buzzer, and gas leakage information, unqualified information are shown by display module；114 gas leakage of usual cooler
When, the flow number of first flowmeter 113 is non-zero, and the flow number of second flowmeter 117 is 0；
The effect of check valve 107 is: if air pressure is lower than test suddenly when external air source encounters problems or needs to reconnect
When air pressure in platform internal duct, air pressure inside can be lost heart by check valve to outside, at this point, if cooler 114 is intact, the
Flow meters 113 and second flowmeter 117 can all have flow number, and equal in magnitude or very close；If first flowmeter 113
There is obvious deviation with the flow number of second flowmeter 117, then still can determine cooler gas leakage；
The input of power conversion module 129 is 220v alternating current, is converted to 24v direct current and is supplied to testboard use；Master switch 128
After connection, indicator light 127 is lighted, the work to be detected such as 124 heat engine of controller.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (10)
1. a kind of cooler detection testboard characterized by comprising control system (1), gas control collet (2), sink (3),
Lifting platform (4), frame (5)；
The sink (3) is arranged in frame (5)；Sink (3) can be filled the water and be drained；
Lifting platform (4) are set in sink (3), for carrying tested cooler；
It is additionally provided with two gas control collets (2) in each sink (3), is respectively used to two mouths of a river of connection cooler；
Control system (1) controls the gas control collet (2) and lifting platform (4).
2. cooler detection testboard as described in claim 1, which is characterized in that
Gas control collet (2) includes outer shell (201), piston rod (202), ventilating joint (203), clamp (204), return spring
(205), blob of viscose (206) are compressed；
Hollow cavity is set in outer shell (201), the inner end piston end of piston rod (202) is set in the hollow cavity in outer shell (201), will
Hollow cavity is divided into left chamber (207) and right chamber (208)；Ventilating joint (203) is connected to outer shell (201) one end, and with left chamber (207)
It communicates；Return spring (205) are set in left chamber (207)；Clamp (204) be connected to outer shell (201) side wall and and right chamber
(208) it communicates；In the outer end of piston rod (202) setting compression blob of viscose (206)；The venthole of perforation is equipped in piston rod (202),
It is connected to left chamber (207) and piston rod (202) outer end end.
3. cooler detection testboard as claimed in claim 2, which is characterized in that
Locating part (209) are equipped on the outside of outer shell (201) other end, piston rod (202) outer end is equipped with step end (210), compression
Blob of viscose (206) is located between locating part (209) and step end (210).
4. cooler detection testboard as claimed in claim 2, which is characterized in that
Piston ring (211) are additionally provided on the inner end piston end circumferential surface of piston rod (202).
5. cooler detection testboard as claimed in claim 1 or 2, which is characterized in that
The control system (1) includes:
Pressure regulator valve (102), the first solenoid valve (104), second solenoid valve (105), gas control water supply valve (106), check valve
(107), third solenoid valve (108), Pneumatic draining valve door (109), the 4th solenoid valve (110), lifting cylinder (111), the 5th electricity
Magnet valve (112), first flowmeter (113), the first gas control collet (2a), the second gas control collet (2b), second flowmeter (117),
6th solenoid valve (118), the first delayed relay module (119), the second delayed relay module (120), third postpone relay
Device module (121), display module (123), controller (124), first switch (125), liquidometer (126), master switch (128),
Power conversion module (129)；
The liquidometer (126) is mounted in sink (3)；
One end of pressure regulator valve (102) for connecing total gas source, the other end by the air inlet of the first solenoid valve of piping connection (104) and
One end of check valve (107)；
The working hole of first solenoid valve (104) is separately connected the air inlet of second solenoid valve (105), third solenoid valve by pipeline
(108) air inlet, the 6th solenoid valve (118) of the air inlet of air inlet, the 4th solenoid valve (110), the 5th solenoid valve (112)
Air inlet；The working hole of second solenoid valve (105) passes through piping connection gas control water supply valve (106), third solenoid valve (108)
Working hole by piping connection Pneumatic draining valve door (109), the working hole of the 4th solenoid valve (110) connects lifting cylinder
(111), the lifting cylinder (111) is for driving lifting platform (4)；
The working hole of 5th solenoid valve (112) by the first gas control of piping connection collet (2a) clamp and ventilating joint；
First gas control collet (2a) is used to connect a mouth of a river of cooler (114)；In the 5th solenoid valve (112) and the first gas control collet
Pipeline between (2a) is equipped with first flowmeter (113)；
The working hole of 6th solenoid valve (118) is clamped by piping connection the second gas control collet (2b's)；Second gas control folder
Head (2b) is used to connect another mouth of a river on cooler (114)；The ventilating joint of second gas control collet (2b) is connected by pipeline
Connect the other end of check valve (107)；The conducting direction of check valve (107) is from its other end to an extreme direction；In check valve
(107) second flowmeter (117) are set on the pipeline between the second gas control collet (2b)；
Controller (124) is electrically connected the first solenoid valve (104), second solenoid valve (105)；
Controller (124) is electrically connected first switch (125) one end, and first switch (125) other end is electrically connected third solenoid valve
(108)；
Controller (124) is electrically connected the 4th solenoid valve (110) by third delayed relay module (121)；
Controller (124) is electrically connected the 5th solenoid valve (112) by the second delayed relay module (120)；
Controller (124) is electrically connected the 6th solenoid valve (118) by the first delayed relay module (119)；
First flowmeter (113) and second flowmeter (117) are electrically connected controller (124)；
Controller (124) is electrically connected display module (123) and liquidometer (126)；
The input of power conversion module (129) is for connecting alternating current, exporting direct current and being connected to controller by power supply line
(124)；
Master switch (128) are equipped in power supply line between power conversion module (129) and controller (124).
6. cooler detection testboard as claimed in claim 5, which is characterized in that
It is additionally provided with pressure gauge (2) on pipeline between pressure regulator valve (102) and the first solenoid valve (104), pressure gauge (2) electricity
It connects controller (124).
7. cooler detection testboard as claimed in claim 5, which is characterized in that
Between pressure regulator valve (102) and total gas source, it is additionally provided with an air dryer (101).
8. cooler detection testboard as claimed in claim 5, which is characterized in that
Controller (124) is also electrically connected a buzzer (122).
9. cooler detection testboard as claimed in claim 5, which is characterized in that
Indicator light (127) are additionally provided in power supply line between power conversion module (129) and controller (124).
10. cooler detection testboard as claimed in claim 9, which is characterized in that
The indicator light (127) is LED light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361216.3A CN110017948B (en) | 2019-04-30 | 2019-04-30 | Test bench for cooler detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910361216.3A CN110017948B (en) | 2019-04-30 | 2019-04-30 | Test bench for cooler detection |
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| Publication Number | Publication Date |
|---|---|
| CN110017948A true CN110017948A (en) | 2019-07-16 |
| CN110017948B CN110017948B (en) | 2023-09-19 |
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ID=67193000
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| CN201910361216.3A Active CN110017948B (en) | 2019-04-30 | 2019-04-30 | Test bench for cooler detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735749A (en) * | 2019-11-05 | 2020-01-31 | 哈尔滨电机厂有限责任公司 | hydro-generator bearing cooler cooling efficiency measuring system |
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