CN108302842A - A kind of pipeline leak source detection method of BrLi chiller - Google Patents
A kind of pipeline leak source detection method of BrLi chiller Download PDFInfo
- Publication number
- CN108302842A CN108302842A CN201810176727.3A CN201810176727A CN108302842A CN 108302842 A CN108302842 A CN 108302842A CN 201810176727 A CN201810176727 A CN 201810176727A CN 108302842 A CN108302842 A CN 108302842A
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- China
- Prior art keywords
- heat exchanger
- exchanger tube
- leak source
- detector
- repairing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/221—Preventing leaks from developing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to technical field of central air more particularly to a kind of pipeline leak source detection method of BrLi chiller, detection device to include：Industrial personal computer, blocks casing, casing pressurizing unit and gauge head telecontrol equipment at detector, detector is connect by vacuum tube with industrial personal computer, the lower end of the detector is provided with closure set pipe sleeve, the casing pressurizing unit is socketed in the middle part of detector, and the detector upper end is also socketed with gauge head telecontrol equipment；Repair apparatus includes：The both ends of spring-backed quill, expansion loop and retaining mechanism, the spring-backed quill are respectively provided with there are one expansion loop, and two expansion loops are socketed in the inside of spring-backed quill, and the retaining mechanism is clamped on two expansion loops；Realize that exchange inside heat pipe carries out segmentation pressurize experiment, to find out the leak source position inside heat exchanger tube；It drives two expansion loops that spring-backed quill is fixed on inside heat exchanger tube by retaining mechanism, realizes the repairing of exchange heat pipe leak source.
Description
Technical field
The present invention relates to technical field of central air more particularly to a kind of pipeline leak source detection sides of BrLi chiller
Method.
Background technology
Central air-conditioning is to control different rooms in such a way that wind fire hot water pipe connects multiple ends by a host
To reach the air-conditioning that room air adjusts purpose, host has a variety of cold-storage modes, and BrLi chiller therein is with thermal energy
For power, vibrations are small, low noise advantages occupy an important position in host computer market.Lithium bromide refrigerator is to utilize different temperatures
Lower lithium bromide water solution realizes that refrigeration, this cycle will utilize external source to realize system to the absorption of vapor with release
Cold, it is steam, hot water, combustion gas, fuel oil etc. to commonly use heat source, and lithium bromide refrigerator has the advantages that many uniquenesses, develops in recent years
It is very rapid, several heat exchanger tubes are both provided in the components such as the condenser, evaporator and absorber of BrLi chiller,
In actual use due to heat exchanger tube quality itself, hydraulic shock or solution corrosion etc., the damage of heat exchanger tube is often resulted in
It is bad, leak source is caused on tube body, refrigeration effect is caused to decline, and can make lithium-bromide solution that the Crystallization Plugging pump housing, mesh occur when serious
Preceding method for maintaining is nitrogen to be squeezed into body, while one end of heat exchanger tube being blocked by plug, and in the another of heat exchanger tube
Brushing suds in one end form soap moisture film, the quality of heat exchanger tube are judged from the swelling state of soap moisture film, in the heat exchange of damage
Pipe both ends are blocked by plug, if damage heat exchanger tube it is more duty need integral replacing, now the problem is that, due to heat exchange
The quantity of pipe is more, it usually needs the quality of hundreds of heat exchanger tubes of detection is blocked and visually observed either manually or by plug, is easy out
Existing human error, causes existing detection method accuracy poor, while can not judge the specific location of leak source, while after closure
Heat exchanger tube will lose heat exchange function, lead to the reduction of unit refrigerating efficiency, the cost of integral replacing heat exchanger tube is huge.
Invention content
The present invention overcomes above-mentioned the deficiencies in the prior art, provide a kind of pipeline leak source detection of BrLi chiller
Method, it is poor to solve existing central air-conditioning heat exchanger tube detection method accuracy, the reduction of unit refrigerating efficiency is caused after closure
The problem of.
Technical scheme of the present invention：
A kind of central air-conditioning heat exchanger tube device for detecting leak point, including：Industrial personal computer, detector, block casing, casing pressurizing unit and
Gauge head telecontrol equipment, the detector are internally provided with axially extending bore, and the upper end of through-hole is connect by vacuum tube with industrial personal computer,
The lower end of the detector is provided with the cup-like structure that outer diameter gradually increases, and the casing that blocks is socketed in the cup-like structure
On, the casing pressurizing unit is socketed in the middle part of detector, and the lower end of casing pressurizing unit is consolidated with the upper end for blocking casing
Fixed connection, the detector upper end is also socketed with gauge head telecontrol equipment；
The sleeve extruding device includes：Thrust bearing, rotation lantern ring, lantern ring drive ring, drive ring lead screw and driving motor, institute
It states thrust bearing to be actively socketed on detector, the lower face of thrust bearing is fixedly connected with the upper surface for blocking casing, described
Restraining position ring block is arranged in the outside of thrust bearing, and one end of spacing ring is fixedly connected with one end of thrust bearing, spacing ring it is another
End is provided with the outer to the other end axial limiting of thrust bearing, and the upper end of the thrust bearing is fixed with rotation lantern ring to be connected
It connects, rotary sleeve ring set is connected on detector, and the inside of the rotation lantern ring is connect by screw thread with detector, the rotation lantern ring
On be additionally provided with several axially extending bores, several axially extending bores rotation lantern ring in a ring circumference in equal parts be arranged, the rotation
Lantern ring drive ring is provided with above pivoted housing ring, lantern ring drive ring is socketed in by bearing on detector, the lantern ring drive ring
Outside be provided with several and the corresponding polished rod of axially extending bore on the rotation lantern ring, polished rod passes through the axially extending bore,
A circle annular tooth is provided on the upper end outer wall of the lantern ring drive ring, the annular tooth is engaged with two drive ring lead screws, and two
A drive ring lead screw is symmetrical arranged, and two drive ring lead screws are connect by gear with a driving motor, the drive
Dynamic motor is fixedly connected with detector；
The gauge head telecontrol equipment includes：Gauge head motion motor, bearing, articulated jib and moving wheel, the bearing are socketed in detection
On head, a circle annular tooth is provided on the outer ring of bearing, annular tooth is connect by gear with two gauge head motion motors, two surveys
Head motion motor is symmetrical arranged, and two gauge head motion motors are fixedly connected with detector, also hinged on the outer ring of the bearing
There are several articulated jibs, circumference in equal parts is arranged several articulated jibs in a ring, and one end of the articulated jib passes through spring and bearing
Outer ring connection, the other end of articulated jib is protruding, and moving wheel is provided on one end that the articulated jib stretches out outward, fortune
Driving wheel is obliquely installed.
Further, the industrial personal computer includes：Vacuum pump, pressure gauge and valve, the vacuum pump are connect with vacuum tube, pressure
Power table is arranged on vacuum tube, on the vacuum tube that the valve is arranged between pressure gauge and vacuum pump.
Further, be additionally provided with shell on the outside of the detector, the closure casing, casing pressurizing unit and
Gauge head telecontrol equipment is arranged in shell.
A kind of pipeline leak source detection method of BrLi chiller, includes the following steps：
Step a：It is inserted into a device for detecting leak point respectively at the both ends of heat exchanger tube, passes through the driving electricity inside device for detecting leak point
Machine drives the rotation of drive ring lead screw, drive ring lead screw to push the rotation of lantern ring drive ring, the polished rod band that lantern ring drive ring passes through lower end
Dynamic rotation lantern ring rotation, rotation lantern ring are moved downward by the screw thread on detector, and rotation lantern ring pushes thrust bearing to transport downwards
Dynamic, thrust bearing is pressed down against closure casing, and the lower end for blocking casing is unfolded to incite somebody to action under the expansion of detector lower end cup-like structure
The both ends of heat exchanger tube block；
Step b：Industrial personal computer is opened, industrial personal computer will be pumped into negative pressure shape by the axially extending bore inside vacuum tube and detector in pipe
State, and pressurize is carried out, judge whether there is leak source on heat exchanger tube by pressurize；
Step c：For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, in heat exchanger tube
One end continue to be blocked with device for detecting leak point, the device for detecting leak point of the heat exchanger tube other end is by keeping driving motor anti-
Turn, withdraw and start gauge head motion motor after blocking casing, gauge head motion motor drives the outer ring rotating of bearing, bearing by gear
Outer ring drive several articulated jibs rotate, articulated jib drive moving wheel along heat exchanger tube inner wall roll, push leak source detection
Device advances, and vacuum pressurize is re-started after the distance of advance one end, and repeat the operation advanced with pressurize, until leak source detection dress
It sets and crosses leak source position, the forward travel distance of device for detecting leak point is subtracted with the length of heat exchanger tube, obtain leak source apart from heat exchanger tube one
The distance at end；
Step d：Operation in the other side of heat exchanger tube repeats step c, obtains distance of the leak source apart from the heat exchanger tube other end, into
And it obtains position of the leak source in heat exchanger tube and leak source is repaired.
Further, the forward travel distance of device for detecting leak point is 5-10cm in the step c.
Further, in the step c device for detecting leak point first time forward travel distance be heat exchanger tube length three/
One, forward travel distance later is 1/6th of heat exchanger tube length.
Further, the vacuum pump on industrial personal computer is first opened in the operation of the vacuum pressurize, valve is then opened, in pressure
A pressure value for being less than local standard atmospheric pressure is calibrated on the dial plate of table, waits for that the pointer of pressure gauge reaches nominal pressure value
Afterwards, the valve on industrial personal computer is closed, vacuum pump is then shut off, carries out pressurize.
A kind of central air-conditioning pipeline repair apparatus, including：Spring-backed quill, expansion loop and retaining mechanism, the resilient sleeve
The both ends of pipe are respectively provided with there are one expansion loop, and two expansion loops are socketed in the inside of spring-backed quill, the retaining mechanism
It is clamped on two expansion loops；
The expansion loop is the c-type snap ring with opening, and the opening both ends of c-type snap ring have lap, and overlapping portion
It is divided into axial overlap, is respectively provided on the inside of the opening both ends of the expansion loop there are one hinged seat, it is hinged on each hinged seat
There are one casing, two casings are socketed in the both ends of positive and negative tooth lead screw respectively, and the inside of two casings be respectively arranged with just
The centre of the matched internal thread of both ends screw thread of anti-tooth lead screw, the positive and negative tooth lead screw is provided with screw gear；
The retaining mechanism includes：The body of rod, locking motor, synchronous belt, promotes motor and clamping plate at pinion stand, the body of rod from
It passes through above the positive and negative tooth lead screw at two expansion loop centers, pinion stand there are two sockets on the body of rod, is respectively provided on two pinion stands
There are one positioning bolt, the positioning bolt passes through the through-hole of pinion stand side and is connect with pinion stand by screw thread, two institutes
Locking gear there are one being respectively provided on the pinion stand stated, two locking gears are engaged with a screw gear respectively, described in two
Locking gear shaft on be fixedly connected with there are one leather belt roller, by synchronous band connection between two leather belt rollers, wherein one
The side of a locking gear is provided with locking motor, and the rotation axis of the locking motor and the rotation axis of locking gear connect
It connects, locking motor is fixedly connected by connecting rod with pinion stand, positive and negative tooth lead screw of the clamping plate from two expansion loop centers
Lower section passes through, and there are two clamp arm, two clamp arms are located at the both ends of positive and negative tooth lead screw for one end setting of the clamping plate
And and casing-contact, the other end of clamping plate be provided with sliding block, the sliding block is vacantly arranged by link in the upper of clamping plate
It is square, a lead screw is socketed in the sliding block, the upper end of lead screw is fixedly connected with the rotation axis for promoting motor, promotes motor and bar
Body is fixedly connected.
Further, tensioning wheel is additionally provided on the pinion stand, the tensioning wheel is solid by connecting rod and pinion stand
Fixed connection.
Further, several fixed sleevings are provided between the body of rod and clamping plate.
A kind of air-conditioning duct method for repairing and mending for exempting to change pipe, includes the following steps：
Step a：Intercepted length is more than one section of spring-backed quill of leak source, and two expansion loops are respectively embedded into the both ends of spring-backed quill,
Two screw gears are rotated respectively, drive positive and negative tooth lead screw to rotate by screw gear, and both sides are pushed by positive and negative tooth lead screw
Casing moves out, and two expansion loops is made to prop up the both ends of spring-backed quill；
Step b：The spacing for adjusting two pinion stands on retaining mechanism adapts to the position of two expansion loops, screw on pinion stand
Positioning bolt locks pinion stand, and retaining mechanism is inserted into spring-backed quill, and promoting motor by startup drives clamping plate upward
Movement, makes the locking gear on two pinion stands be engaged respectively with two screw gears, while making two on clamping plate to clamp
Arm is clamped from the lower end of casing；
Step c：Retaining mechanism is sent into heat exchanger tube, makes the spring-backed quill of retaining mechanism front end that leak source, while two be completely covered
A expansion loop is located at the both sides of leak source；
Step d：Start locking motor, locking motor makes two locking gears rotate synchronously by synchronous belt, drives two lead screws
Gear rotates, and screw gear drives positive and negative tooth lead screw rotation, pushes the casing of both sides to move out by positive and negative tooth lead screw, makes two
A expansion loop by the both ends of spring-backed quill prop up until two expansion loops spring-backed quill is fixed and clamped on the inner wall of heat exchanger tube,
Locking motor is closed, starts and promotes motor reversal, clamping plate is fallen；
Step e：Retaining mechanism is taken out, the repairing of heat exchanger tube leak source is completed.
Further, the length that spring-backed quill is intercepted in the step a is at least 2 times of leak source width.
Further, clamping plate is fallen into expansion loop bottom in the step e, and retaining mechanism is risen, make two
Locking gear on pinion stand is disengaged from two screw gears respectively.
Beneficial effects of the present invention are：
1）A kind of detector of central air-conditioning heat exchanger tube device for detecting leak point of the present invention is internally provided with axially extending bore, through-hole it is upper
End is connect by vacuum tube with industrial personal computer, and the lower end of detector is provided with the cup-like structure that outer diameter gradually increases, and blocks set pipe sleeve
It is connected in cup-like structure, casing pressurizing unit is socketed in the middle part of detector, and the lower end of casing pressurizing unit and closure casing
Upper end is fixedly connected, and detector upper end is also socketed with gauge head telecontrol equipment；Thus structure may be implemented through gauge head motion
Detector is sent to heat exchanger tube, squeezing closure casing one section of inside heat pipe of exchange by casing pressurizing unit is blocked,
Pressurize experiment is carried out by industrial personal computer, and then realizes that exchange inside heat pipe carries out segmentation pressurize experiment, to find out in heat exchanger tube
The leak source position in portion.
2）The detection device of the present invention itself has the function of closure and vacuum pressurize, may be implemented by heat exchanger tube
A detection device is inserted at both ends respectively, carries out pressurize experiment, relative to existing detection mode, need not will be exchanged heat with plug
Pipe one end blocks, and saves manpower, while need not visually observe mode lathery and judge tube body state, has detection more accurate
The characteristics of.
3）A kind of spring-backed quill both ends of central air-conditioning pipeline repair apparatus of the present invention are respectively provided with there are one expansion loop, and two
A expansion loop is socketed in the inside of spring-backed quill, and the retaining mechanism is clamped on two expansion loops, and thus structure can
To realize that, by the way that retaining mechanism to be sent into inside heat exchanger tube, retaining mechanism carries spring-backed quill and is moved to leak source, passes through locking
Mechanism drives two expansion loops that spring-backed quill is fixed on inside heat exchanger tube, realizes the repairing of exchange heat pipe leak source.
4）The leak source that the repair apparatus of the present invention can exchange heat pipe is repaired, and heat exchanger tube still has heat exchange after repairing
Function does not interfere with the system of unit relative to existing repair method since heat exchanging fluid can still pass through heat exchanger tube after repairing
Cold efficiency, while manpower and maintenance cost can be saved to avoid the integral replacing of heat exchanging pipe when heat exchanger tube damages more,
Extend the service life of heat exchanger tube.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of central air-conditioning heat exchanger tube device for detecting leak point；
Fig. 2 is the sectional view of Fig. 1；
Fig. 3 is a kind of use state diagram of central air-conditioning heat exchanger tube device for detecting leak point；
Fig. 4 is the structural schematic diagram of the specific embodiment of the invention four；
Fig. 5 is the structural schematic diagram of the specific embodiment of the invention five and six；
Fig. 6 is a kind of overall structure diagram of central air-conditioning pipeline repair apparatus；
Fig. 7 is the side view of Fig. 6；
Fig. 8 is the vertical view of Fig. 6；
Fig. 9 is the structural schematic diagram of the expansion loop in Fig. 6；
Figure 10 is the structural schematic diagram of the specific embodiment of the invention 14；
Figure 11 is the structural schematic diagram of the specific embodiment of the invention 15；
Figure 12 is the structural schematic diagram of the specific embodiment of the invention 16；
In figure：1- industrial personal computers；2- detectors；3- blocks casing；4- casing pressurizing units；5- gauge head telecontrol equipments；6- depthometers；
7- spring-backed quills；8- expansion loops；9- retaining mechanisms；21- shells；22- auxiliary wheels；23- through-holes；41- thrust bearings；42- rotates
Lantern ring；43- lantern ring drive rings；44- drive ring lead screws；45- driving motors；51- gauge head motion motors；52- bearings；53- is hinged
Arm；54- moving wheels；61- spools；62- scroll springs；63- scroll rack；64- telescopic rods；65- fixed pins；66- depth ropes；81-
Hinged seat；82- casings；The positive and negative tooth lead screws of 83-；84- screw gears；The 91- bodies of rod；92- pinion stands；93- locking motors；94- is same
Walk band；95- promotes motor；96- clamping plates；97- repairs telecontrol equipment；98- repairs auxiliary wheel；99- repairs depthometer；221- revolves
Runner；222- hinge bars；223- limited blocks；The first hinge bars of 241-；The second hinge bars of 242-；243- anti-slippery fellows；411- is limited
Ring；431- polished rods；921- tensioning wheels；961- sliding blocks；962- fixed sleevings；971- repairs motion motor；972- repairs bearing；
973- repairs articulated jib；974- repairs moving wheel；981- repairs rotating wheel；982- repairs hinge bar；983- repairs limited block；
984- repairs resetting spring；991- repairs spool；992- repairs scroll spring；993- repairs scroll rack；994- repairs telescopic rod；
995- repairs fixed pin；996- repairs depth rope.
Specific implementation mode
Below with reference to attached drawing, the present invention is described in detail：
Specific implementation mode one
In conjunction with shown in Fig. 1 and Fig. 2, a kind of central air-conditioning heat exchanger tube device for detecting leak point disclosed in the present embodiment, including：Industrial personal computer
1, detector 2, closure casing 3, casing pressurizing unit 4 and gauge head telecontrol equipment 5, the detector 2 are internally provided with axial direction
The upper end of through-hole, through-hole is connect by vacuum tube with industrial personal computer 1, and the lower end of the detector 2 is provided with what outer diameter gradually increased
Cup-like structure, the casing 3 that blocks are socketed in the cup-like structure, and the casing pressurizing unit 4 is socketed in detector 2
Middle part, and the lower end of casing pressurizing unit 4 is fixedly connected with the upper end for blocking casing 3,2 upper end of the detector is also socketed with survey
Head telecontrol equipment 5；It is squeezed by casing pressurizing unit 4 and blocks casing 3, make 3 lower end of closure casing in the cup-like structure of detector 2
Surface is slided, and the end for blocking casing 3 is opened, and the gap between detector 2 and heat exchanger tube is blocked, and industrial personal computer 1 passes through detection
Axially extending bore inside first 2 vacuumizes the closed area of 2 front end of detector and is carried out pressurize, is judged by pressurize situation
The quality of heat exchanger tube.
The sleeve extruding device 4 includes：Thrust bearing 41, rotation lantern ring 42, lantern ring drive ring 43, drive ring lead screw 44
With driving motor 45, the thrust bearing 41 is actively socketed on detector 2, lower face and the closure casing 3 of thrust bearing 41
Upper surface be fixedly connected, restraining position ring block 411, one end of spacing ring 411 and thrust axis is arranged in the outside of the thrust bearing 41
41 one end is held to be fixedly connected, the other end of spacing ring 411 is provided with the outer to the other end axial limiting of thrust bearing 41,
The upper end of the thrust bearing 41 is fixedly connected with rotation lantern ring 42, and rotation lantern ring 42 is socketed on detector 2, the rotary sleeve
The inside of ring 42 is connect by screw thread with detector 2, several axially extending bores are additionally provided on the rotation lantern ring 42, several
Circumference in equal parts is arranged axially extending bore in a ring on rotation lantern ring 42, and the top of the rotation lantern ring 42 is provided with lantern ring drive ring
43, lantern ring drive ring 43 is socketed in by bearing on detector 2, and the outside of the lantern ring drive ring 43 is provided with several and institute
The corresponding polished rod 431 of axially extending bore on rotation lantern ring 42 is stated, polished rod 431 passes through the axially extending bore, the lantern ring drive ring
A circle annular tooth is provided on 42 upper end outer wall, the annular tooth is engaged with two drive ring lead screws 44, two drivings
Circumfili bar 44 is symmetrical arranged, and two drive ring lead screws 44 are connect by gear with a driving motor 45, the driving electricity
Machine 45 is fixedly connected with detector 2；
The gauge head telecontrol equipment 5 includes：Gauge head motion motor 51, bearing 52, articulated jib 53 and moving wheel 54, the bearing 52
It is socketed on detector 2, a circle annular tooth is provided on the outer ring of bearing 52, annular tooth passes through gear and two gauge head movement electricity
Machine 51 connects, and two gauge head motion motors 51 are symmetrical arranged, and two gauge head motion motors 51 are fixedly connected with detector 2, institute
It states and is also hinged with several articulated jibs 53 on the outer ring of bearing 52, circumference in equal parts is arranged several articulated jibs 53 in a ring, described
One end of articulated jib 53 is connect by spring with the outer ring of bearing 52, and the other end of articulated jib 53 is protruding, the articulated jib
Moving wheel 54 is provided on 53 one end stretched out outward, moving wheel 54 is obliquely installed；
Detector 2 is sent into inside heat exchanger tube by gauge head telecontrol equipment 5, exchange heat pipe carries out segmentation detection, and according to detection
The extension elongation of the vacuum tube connected on first 2 obtains depth of the detector 2 in heat exchanger tube, determines the specific location of leak source.
Specific implementation mode two
The present embodiment is on the basis of specific implementation mode one, and difference lies in the industrial personal computer 1 includes：Vacuum pump, pressure gauge
And valve, the vacuum pump are connect with vacuum tube, pressure gauge is arranged on vacuum tube, and the valve is arranged in pressure gauge and vacuum
On vacuum tube between pump；Valve is closed after vacuum pump forms subnormal ambient and carries out pressurize, and pressure is observed by pressure gauge
Vacuum pressurize experiment is realized in variation.
Specific implementation mode three
The present embodiment is on the basis of specific implementation mode one, and difference lies in the outside of the detector 2 is additionally provided with shell
Body 21, the closure casing 3, casing pressurizing unit 4 and gauge head telecontrol equipment 5 are arranged in shell 21；Pass through shell pair
Internal component provides protection, prevents device damage when in use.
Specific implementation mode four
In conjunction with shown in Fig. 4, the present embodiment is on the basis of specific implementation mode one, and difference lies in a kind of graphite heat exchange
Device device for detecting leak point further includes depthometer 6, and the depthometer 6 includes：Spool 61, scroll spring 62, scroll rack 63, telescopic rod
64, fixed pin 65 and depth rope 66 are provided with deep identification scale, one end of depth rope 66 and detector on the depth rope 66
2 connections, the other end of depth rope 66 are wrapped on spool 61, and both ends and the spindle housing 63 of spool 61 are rotatablely connected, the spool
Scroll spring 62 is provided between 61 and spindle housing 63, the scroll rack 63 is fixedly connected with one end of telescopic rod 64, telescopic rod
64 other end is hinged with one end of fixed pin 65, and the fixed pin 65 is inserted into adjacent heat exchanger tube；
For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, in one end of heat exchanger tube
Continue to be blocked with device for detecting leak point, the device for detecting leak point of the heat exchanger tube other end is inserted into before heat exchanger tube, by depth rope
66 connect with device for detecting leak point, and the fixed pin 65 on depthometer 6 is inserted into adjacent heat exchanger tube and is fixed, and pulling is stretched
Contracting bar 64 adjusts the position of spool, keeps depth rope 66 parallel with the axis of heat exchanger tube, and device for detecting leak point, which advances, pulls depth rope
66, drive spool 61 to rotate, while scroll spring 62 makes depth rope 66 stretch.
Specific implementation mode five
In conjunction with shown in Fig. 5, the present embodiment is on the basis of specific implementation mode one, and difference lies in the device for detecting leak point
Lower end outer wall on be additionally provided with several auxiliary wheels 22, the auxiliary wheel 22 described in several on the outer wall of shell 21 in a ring
Circumference in equal parts is arranged, and the auxiliary wheel 22 includes：Rotating wheel 221, hinge bar 222, limited block 223 and resetting spring 224, it is described
Hinge bar 222 be hinged on shell 21, one end of hinge bar 222 is connect by spring with shell 21, hinge bar 222 it is another
Hold protruding, 222 outwardly directed one end of the hinge bar is provided with rotating wheel 221, the rotation direction of rotating wheel 221 along
The axial direction of heat exchanger tube, the outside of the hinge bar 222 is provided with limited block 223, and limited block 223 is fixedly connected with shell 21.
When device for detecting leak point moves, several auxiliary wheels 22 lift detector 2, ensure detector 2 axis with
The axis of heat exchanger tube is parallel, and detector 2 is avoided to collide with during exercise with heat transfer tube wall, in the lower end exhibition for blocking casing 3
When opening the both ends closure by heat exchanger tube, one end of hinge bar 222 is pulled to device sheet by the resetting spring 224 of 222 one end of hinge bar
Body makes the other end of hinge bar 222 be moved to the inner wall of heat exchanger tube, rotating wheel 221 is made to be adjacent to heat transfer tube wall, to examine
The lower end of gauge head is lifted, by detector lower end annular circumference in equal parts several auxiliary wheels 222 are set, make detector 2
Axis is overlapped with heat exchanger tube axis, keeps the closure face that 3 lower end of closure casing is opened vertical with heat exchanger tube axis, ensures to block casing
3 leakproofness blocked.
Specific implementation mode six
In conjunction with shown in Fig. 5, the present embodiment is on the basis of specific implementation mode one, and difference lies in leak source detection dresses
It sets and is provided with shell, several through-holes 23 are provided on shell, through-hole 23 is the strip hole of axial direction, and several through-holes 23 are on the shell
Circumference in equal parts is arranged in a ring, is both provided with anti-skid device 24 in the through-hole 23, the anti-skid device 24 includes：First is hinged
Bar 241, the second hinge bar 242 and anti-slippery fellow 243, one end of first hinge bar 241 and thrust bearing 41 are hinged, the first hinge
The other end of extension bar 241 is connect with anti-slippery fellow 243, anti-slippery fellow 243 be sphere structure, one end of second hinge bar 242 with
The inner wall of shell is hinged, and the middle part of the other end of the second hinge bar 242 and the first hinge bar 241 is hinged；
When device for detecting leak point is blocked, thrust bearing 41 moves downward, and one end of the first hinge bar 241 is driven to transport downwards
It is dynamic, so that the first hinge bar 241 is rotated by the second hinge bar 242, the other end of the first hinge bar 241 passes through through-hole 23
Afterwards, so that anti-slippery fellow 243 is contacted with the inner wall of heat exchanger tube, several anti-skid devices 24 are set by axial, in device for detecting leak point
Multiple skid-proof points are formed between heat transfer tube wall, when carrying out vacuum pressurize for offsetting the effect of atmospheric pressure, are prevented
So that device itself is shaken by atmospheric pressure effect when carrying out pressurize, leads to poor sealing.
Specific implementation mode seven
In conjunction with shown in Fig. 1,2 and 3, a kind of pipeline leak source detection method of BrLi chiller, described disclosed in the present embodiment
Method is on a kind of central air-conditioning heat exchanger tube device for detecting leak point described in specific implementation mode one, two, three, four, five or six
It realizes, includes the following steps：
Step a：The pressure injected inside protective gas to unit into lithium bromide chiller is identical as atmospheric pressure, opens heat exchanger tube two
The flange at end, exchange heat pipe are rinsed drying；Prevent air from entering corrosion unit；
Step b：It is inserted into a device for detecting leak point respectively at the both ends of heat exchanger tube, passes through the driving electricity inside device for detecting leak point
Machine 45 drives drive ring lead screw 44 to rotate, and drive ring lead screw 44 pushes lantern ring drive ring 43 to rotate, under lantern ring drive ring 43 passes through
The polished rod 431 at end drives rotation lantern ring 42 to rotate, and rotation lantern ring 42 is moved downward by the screw thread on detector 2, rotates lantern ring
42 promotion thrust bearings 41 move downward, and thrust bearing 41, which is pressed down against, blocks casing 3, blocks the lower end of casing 3 in detector 2
Expansion blocks the both ends of heat exchanger tube under the expansion of lower end cup-like structure；
Step c：Industrial personal computer 1 is opened, industrial personal computer 1 will be pumped into negative pressure by the axially extending bore inside vacuum tube and detector 2 in pipe
State, and pressurize is carried out, judge whether there is leak source on heat exchanger tube by pressurize；Judging result is more acurrate；
Step d：For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, in heat exchanger tube
One end continue to be blocked with device for detecting leak point, the device for detecting leak point of the heat exchanger tube other end is by keeping driving motor 45 anti-
Turn, withdraw and start gauge head motion motor 51 after blocking casing 3, gauge head motion motor 51 drives the outer ring of bearing 52 to turn by gear
Dynamic, the outer ring of bearing 52 drives several articulated jibs 53 to rotate, and articulated jib 53 drives moving wheel 54 to be rolled along the inner wall of heat exchanger tube
It is dynamic, it pushes device for detecting leak point to advance, vacuum pressurize is re-started after the distance of advance one end, and repetition is advanced and the behaviour of pressurize
Make, until device for detecting leak point crosses leak source position, the forward travel distance of device for detecting leak point is subtracted with the length of heat exchanger tube, is obtained
Distance of the leak source apart from heat exchanger tube one end；
Step e：Operation in the other side of heat exchanger tube repeats step c, obtains distance of the leak source apart from the heat exchanger tube other end, into
And it obtains position of the leak source in heat exchanger tube and leak source is repaired.
Specific implementation mode eight
The present embodiment is on the basis of specific implementation mode seven, and difference lies in the advances of device for detecting leak point in the step d
Distance is 5-10cm, and the length of heat exchanger tube is generally five meters or so, selects smaller forward travel distance that can more accurately find leakage
Point position.
Specific implementation mode nine
The present embodiment is on the basis of specific implementation mode seven, and difference lies in device for detecting leak point first times in the step d
Forward travel distance be heat exchanger tube length one third, forward travel distance later is 1/6th of heat exchanger tube length；Heat exchanger tube
Leak source majority in centre position, heat exchanger tube is subjected to trisection, first time advance one third, advance six every time later/
One mode can faster find leak source position.
Specific implementation mode ten
The present embodiment is on the basis of specific implementation mode seven, and the vacuum on industrial personal computer is first opened in the operation of the vacuum pressurize
Pump, then opens valve, and a pressure value for being less than local standard atmospheric pressure is calibrated on the dial plate of pressure gauge, waits for pressure gauge
Pointer reach nominal pressure value after, close the valve on industrial personal computer, be then shut off vacuum pump, carry out pressurize.
Specific implementation mode 11
In conjunction with shown in Fig. 6,7,8 and 9, a kind of central air-conditioning pipeline repair apparatus disclosed in the present embodiment, described device cooperation
A kind of central air-conditioning heat exchanger tube device for detecting leak point described in specific implementation mode one, two, three, four, five or six uses, including：
Spring-backed quill 7, expansion loop 8 and retaining mechanism 9, the both ends of the spring-backed quill 7 are respectively provided with that there are one expansion loops 8, described in two
Expansion loop 8 is socketed in the inside of spring-backed quill 7, and the retaining mechanism 9 is clamped on two expansion loops 8；Pass through strip rod piece
Retaining mechanism is sent into inside heat exchanger tube, retaining mechanism carries spring-backed quill and is moved to leak source, and two are driven by retaining mechanism
Spring-backed quill is fixed on inside heat exchanger tube by a expansion loop, realizes the repairing of exchange heat pipe leak source；
The expansion loop 8 is the c-type snap ring with opening, and the opening both ends of c-type snap ring have lap, and overlapping portion
It is divided into axial overlap, is respectively provided on the inside of the opening both ends of the expansion loop 8 there are one hinged seat 81, on each hinged seat 81
Casing 82 there are one hinged, two casings 82 are socketed in the both ends of positive and negative tooth lead screw 83, and the inside points of two casings 82 respectively
It is not provided with the matched internal thread of both ends screw thread with positive and negative tooth lead screw 83, the centre of the positive and negative tooth lead screw 83 is provided with silk
Bar gear 84；The axial overlap part of c-type snap ring is still kept with the circumferential contact surface of spring-backed quill 7 not after the expansion of c-type snap ring
It will appear notch, push two casings 82 that expansion loop 8 is made to be expanded to an approximate circle by positive and negative tooth lead screw 83, it is circular
Circular runout is made up by the flexible deformation of spring-backed quill 7, ensures leakproofness；
The retaining mechanism 9 includes：The body of rod 91, locking motor 93, synchronous belt 94, promotes motor 95 and clamping plate at pinion stand 92
96, the body of rod 91 passes through above the positive and negative tooth lead screw 83 at two 8 centers of expansion loop, and there are two pinion stands for socket on the body of rod 91
92, it is respectively provided on two pinion stands 92 there are one positioning bolt, the positioning bolt passes through the through-hole of 92 side of pinion stand and leads to
It crosses screw thread to connect with pinion stand 92, be respectively provided on the pinion stand 92 described in two there are one locking gear, two locking gears divide
It does not engage, is fixedly connected in the shaft of the locking gear described in two there are one leather belt roller, two with a screw gear 84
It is connected by synchronous belt 94 between leather belt roller, the side of the locking gear described in one of them is provided with locking motor 93, described
The rotation axis of locking motor 93 and the rotation axis connection of locking gear, locking motor 93 is fixed by connecting rod and pinion stand 92 to be connected
It connects, the clamping plate 96 is passed through from 83 lower section of positive and negative tooth lead screw at two 8 centers of expansion loop, one end setting of the clamping plate 96
There are two clamp arm, two clamp arms are located at the both ends of positive and negative tooth lead screw 83 and are contacted with casing 82, clamping plate 96 it is another
One end is provided with sliding block 961, and the sliding block 961 is vacantly arranged by link in the top of clamping plate 96, the sliding block 961
There are one lead screw, the upper ends of lead screw to be fixedly connected with the rotation axis for promoting motor 95 for socket, promotes motor 95 and is fixed with the body of rod 91
Connection.
Specific implementation mode 12
The present embodiment is on the basis of specific implementation mode 11, and difference lies in be additionally provided on the pinion stand 92 and open
Bearing up pulley 921, the tensioning wheel 921 are fixedly connected by connecting rod with pinion stand 92.
Specific implementation mode 13
The present embodiment is on the basis of specific implementation mode 11, and difference lies in set between the body of rod 91 and clamping plate 96
Several fixed sleevings 962 are equipped with, fixed sleeving 962 stretches, and ensures the body of rod 91 and clamping plate 96 keeping parallelism during exercise,
Ensure that the upper gear of two pinion stands 92 is identical as the clamping force between two screw gears, ensures two screw gears simultaneously
Synchronous locking ensures that the leakproofness at 7 both ends of spring-backed quill is identical.
Specific implementation mode 14
In conjunction with shown in Figure 10, the present embodiment is on the basis of specific implementation mode 11, and difference lies in also set on the body of rod
Being equipped with repairing telecontrol equipment 97 includes：Repair motion motor 971, repairing bearing 972, repairing articulated jib 973 and repairing moving wheel
974, the repairing bearing 972 is socketed on the body of rod 91, is repaired and is provided with a circle annular tooth, annular tooth on the outer ring of bearing 972
It is connect with two repairing motion motors 971 by gear, two repairing motion motors 971 are symmetrical arranged, two repairing movement electricity
Machine 971 is fixedly connected with the body of rod 91, several repairing articulated jibs 973 are also hinged on the outer ring of the repairing bearing 972, if
Circumference in equal parts is arranged dry repairing articulated jib 973 in a ring, and one end of the repairing articulated jib 973 passes through spring and repairing bearing
972 outer ring connection, the other end for repairing articulated jib 973 is protruding, one end that the repairing articulated jib 973 stretches out outward
On be provided with repairing moving wheel 974, repairing moving wheel 974 be obliquely installed.
After retaining mechanism 9 is sent into heat exchanger tube, start repairing motion motor 971, repairing motion motor 971 passes through
The outer ring of the outer ring rotating of gear driving repairing bearing 972, repairing bearing 972 drives several repairing articulated jibs 973 to rotate, and repaiies
Mending articulated jib 973 drives repairing moving wheel 974 to be rolled along the inner wall of heat exchanger tube, by repairing moving wheel 974 in heat exchanger tube
Wall is rolled along helix, pushes retaining mechanism 9 to travel forward, and judge the position of retaining mechanism 9 by the feeding depth of the body of rod 91
It sets.
Specific implementation mode 15
In conjunction with shown in Figure 11, the present embodiment is on the basis of specific implementation mode 11, and difference lies in 91 one end of the body of rod
External circumferential circumference in equal parts be provided with several groups repairing auxiliary wheel group, every group of repairing auxiliary wheel group include two and be oppositely arranged
Auxiliary wheel 98 is repaired, the repairing auxiliary wheel 98 includes：Repair rotating wheel 981, repairing hinge bar 982,983 and of repairing limited block
Resetting spring 984 is repaired, the repairing hinge bar 982 is hinged on the body of rod 91, and one end of repairing hinge bar 982 passes through repairing
Resetting spring 984 is connect with the body of rod 91, and the other end for repairing hinge bar 982 is protruding, and the repairing hinge bar 982 is to overhanging
The one end gone out is provided with repairing rotating wheel 981, and the rotation direction for repairing rotating wheel 981 is arranged along the axial direction of heat exchanger tube, described
The outside of repairing hinge bar 982 is provided with repairing limited block 983, and repairing limited block 983 is fixedly connected with the body of rod 91；
After retaining mechanism 9 is sent into heat exchanger tube, by repairing the repairing resetting spring between auxiliary wheel 98 and the body of rod 91
984 pull repairing hinge bar 982 to rotate, and the repairing rotating wheel 981 for making 982 distal end of repairing hinge bar and the inner wall of heat exchanger tube paste
It closes, support is provided for retaining mechanism 9, several groups, which are arranged, by 91 one end external circumferential of the body of rod repairs auxiliary wheel group, by the machine of locking
Structure 9, which lifts, makes spring-backed quill 7 be disengaged with heat exchanger tube, at the same ensure 9 front end of retaining mechanism spring-backed quill 7 axis with change
Heat pipe axis is parallel；It avoids during retaining mechanism 9 is sent into heat exchanger tube, spring-backed quill 7 is led with ring heat pipe inner wall friction
Cause falls off, while spring-backed quill 7 being made to be arranged in parallel with heat exchanger tube, ensure that the side of expansion loop 8 is vertical with heat exchanger tube axis,
It ensure that leakproofness when closure.
Specific implementation mode 16
In conjunction with shown in Figure 12, the present embodiment is on the basis of specific implementation mode 11, and difference lies in a kind of central hollows
It further includes repairing depthometer 99 to exchange heat pipe leak source repair apparatus, and the repairing depthometer 99 includes：Repair spool 991, repairing
Scroll spring 992, repairing scroll rack 993, repairing telescopic rod 994, repairing fixed pin 995 and repairing depth rope 996, the repairing
Deep identification scale is provided on depth rope 996, one end of repairing depth rope 996 is connect with the body of rod 91, repairing depth rope 996
The other end is wrapped on repairing spool 991, and the both ends and repairing spindle housing 993 for repairing spool 991 are rotatablely connected, the repairing volume
Repairing scroll spring 992, the repairing scroll rack 993 and repairing telescopic rod are provided between axis 991 and repairing spindle housing 993
994 one end is fixedly connected, and the one end for repairing the other end and repairing fixed pin 995 of telescopic rod 994 is hinged, and the repairing is fixed
Pin 995 is inserted into adjacent heat exchanger tube.
For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, machine will locked
Structure 9 is sent into before heat exchanger tube, repairing depth rope 996 is connect with retaining mechanism 9, and the repairing repaired on depthometer 99 is fixed
Pin 995 is inserted into adjacent heat exchanger tube and is fixed, and pulls the position of the repairing adjustment repairing spool 991 of telescopic rod 994, makes repairing
Depth rope 996 is parallel with the axis of heat exchanger tube, and repairing depth rope 996 is pulled by pushing the body of rod 91 that retaining mechanism 9 is driven to advance,
Repairing spool 991 is driven to rotate, while repairing scroll spring 992 makes repairing depth rope 996 stretch.
Specific implementation mode 17
A kind of air-conditioning duct method for repairing and mending for exempting to change pipe disclosed in the present embodiment, the method be specific implementation mode 11,
A kind of central air-conditioning described in 12,13,14,15 or 16 on pipeline repair apparatus with realizing, including following step
Suddenly：
Step a：Intercepted length is more than one section of spring-backed quill 7 of leak source, and two expansion loops 8 are respectively embedded into the two of spring-backed quill 7
End rotates two screw gears 84 respectively, drives positive and negative tooth lead screw 83 to rotate by screw gear 84, passes through positive and negative tooth lead screw 83
It pushes the casing 82 of both sides to move out, two expansion loops 8 is made to prop up the both ends of spring-backed quill 7；
Step b：The spacing for adjusting two pinion stands 92 on retaining mechanism 9 adapts to the position of two expansion loops 8, screw pinion stand
Positioning bolt on 92 locks pinion stand 92, and retaining mechanism 9 is inserted into spring-backed quill 7, and 95 band of motor is promoted by startup
Dynamic clamping plate 96 moves upwards, and so that the locking gear on two pinion stands 92 is engaged respectively with two screw gears 84, makes simultaneously
Two clamp arms on clamping plate 96 are clamped from the lower end of casing 82；
Step c：Retaining mechanism 9 is sent into heat exchanger tube, makes the spring-backed quill 7 of 9 front end of retaining mechanism that leak source be completely covered, simultaneously
Two expansion loops 8 are located at the both sides of leak source；
Step d：Start locking motor 93, locking motor 93 makes two locking gears rotate synchronously by synchronous belt 94, drives two
A screw gear 84 rotates, and screw gear 84 drives positive and negative tooth lead screw 83 to rotate, and the set of both sides is pushed by positive and negative tooth lead screw 83
Pipe 82 moves out, and so that two expansion loops 8 is propped up the both ends of spring-backed quill 7 until two expansion loops 8 fix spring-backed quill 7
It is pressed on the inner wall of heat exchanger tube, closes locking motor 93, start and promote the reversion of motor 95, clamping plate 96 is fallen；
Step e：Retaining mechanism 9 is taken out, the repairing of heat exchanger tube leak source is completed.
Specific implementation mode 18
The present embodiment is on the basis of specific implementation mode 17, and difference lies in intercept spring-backed quill 7 in the step a
Length is at least 2 times of leak source width.
Ensure that leak source is completely covered spring-backed quill 7, while the site error of leak source being covered.
Specific implementation mode 19
The present embodiment is on the basis of specific implementation mode 17, and difference lies in fall to clamping plate 96 in the step e
8 bottom of expansion loop, and retaining mechanism 9 is risen, make locking gear on two pinion stands 92 respectively with two screw gears 84
It is disengaged from；
Locking device is risen by clamping plate 96, so that locking gear is detached from screw gear 84, when locking device being avoided to leave
Meshed gears damages, while preventing the movement of locking gear from screw gear 84 being made to loosen.
Above example is only to the exemplary description of this patent does not limit its scope of protection, people in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (4)
1. a kind of pipeline leak source detection method of BrLi chiller, which is characterized in that include the following steps：
Step a：The pressure injected inside protective gas to unit into lithium bromide chiller is identical as atmospheric pressure, opens heat exchanger tube two
The flange at end, exchange heat pipe are rinsed drying；
Step b：It is inserted into a device for detecting leak point respectively at the both ends of heat exchanger tube, passes through the driving electricity inside device for detecting leak point
Machine（45）Drive drive ring lead screw（44）Rotation, drive ring lead screw（44）Push lantern ring drive ring（43）Rotation, lantern ring drive ring
（43）Pass through the polished rod of lower end（431）Drive rotation lantern ring（42）Rotation rotates lantern ring（42）Pass through detector（2）On screw thread
It moves downward, rotates lantern ring（42）Push thrust bearing（41）It moves downward, thrust bearing（41）It is pressed down against closure casing
（3）, block casing（3）Lower end in detector（2）Expansion blocks the both ends of heat exchanger tube under the expansion of lower end cup-like structure；
Step c：Open industrial personal computer（1）, industrial personal computer（1）Pass through vacuum tube and detector（2）Internal axially extending bore will be taken out in managing
At negative pressure state, and pressurize is carried out, judges whether there is leak source on heat exchanger tube by pressurize；
Step d：For the heat exchanger tube with leak source, the length of heat exchanger tube is measured with ruler outside heat exchanger, in heat exchanger tube
One end continue to be blocked with device for detecting leak point, the device for detecting leak point of the heat exchanger tube other end is by making driving motor（45）
Reversion is withdrawn and blocks casing（3）Start gauge head motion motor afterwards（51）, gauge head motion motor（51）Bearing is driven by gear
（52）Outer ring rotating, bearing（52）Outer ring drive several articulated jibs（53）Rotation, articulated jib（53）Drive moving wheel
（54）It is rolled along the inner wall of heat exchanger tube, device for detecting leak point is pushed to advance, vacuum pressurize is re-started after the distance of advance one end,
And the operation advanced with pressurize is repeated, until device for detecting leak point crosses leak source position, leak source inspection is subtracted with the length of heat exchanger tube
The forward travel distance for surveying device, obtains distance of the leak source apart from heat exchanger tube one end；
Step e：Operation in the other side of heat exchanger tube repeats step c, obtains distance of the leak source apart from the heat exchanger tube other end, into
And it obtains position of the leak source in heat exchanger tube and leak source is repaired.
2. a kind of pipeline leak source detection method according to claim 1, which is characterized in that leak source detects in the step d
The forward travel distance of device is 5-10cm.
3. a kind of pipeline leak source detection method of BrLi chiller according to claim 1, which is characterized in that described
The forward travel distance of device for detecting leak point first time is the one third of heat exchanger tube length in step d, and forward travel distance later is to change
/ 6th of heat pipe length.
4. a kind of pipeline leak source detection method of BrLi chiller according to claim 1,2 or 3, feature exist
In the vacuum pump on industrial personal computer is first opened in the operation of the vacuum pressurize, is then opened valve, is demarcated on the dial plate of pressure gauge
Go out a pressure value for being less than local standard atmospheric pressure, after the pointer of pressure gauge reaches nominal pressure value, closes on industrial personal computer
Valve, be then shut off vacuum pump, carry out pressurize.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176727.3A CN108302842B (en) | 2018-03-03 | 2018-03-03 | Pipeline leakage point detection method for lithium bromide refrigerating unit |
| CN202010486423.4A CN111442567B (en) | 2018-03-03 | 2018-03-03 | Method for stabilizing motion of detection head and method for detecting missing point by using method |
| CN202010485125.3A CN111442565B (en) | 2018-03-03 | 2018-03-03 | Anti-skid method of leak detection device and leak detection method with same |
| CN202010486411.1A CN111442566B (en) | 2018-03-03 | 2018-03-03 | Depth indication method and missing point detection method with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176727.3A CN108302842B (en) | 2018-03-03 | 2018-03-03 | Pipeline leakage point detection method for lithium bromide refrigerating unit |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010485125.3A Division CN111442565B (en) | 2018-03-03 | 2018-03-03 | Anti-skid method of leak detection device and leak detection method with same |
| CN202010486411.1A Division CN111442566B (en) | 2018-03-03 | 2018-03-03 | Depth indication method and missing point detection method with same |
| CN202010486423.4A Division CN111442567B (en) | 2018-03-03 | 2018-03-03 | Method for stabilizing motion of detection head and method for detecting missing point by using method |
Publications (2)
| Publication Number | Publication Date |
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| CN108302842A true CN108302842A (en) | 2018-07-20 |
| CN108302842B CN108302842B (en) | 2021-01-05 |
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| CN202010486423.4A Active CN111442567B (en) | 2018-03-03 | 2018-03-03 | Method for stabilizing motion of detection head and method for detecting missing point by using method |
| CN201810176727.3A Active CN108302842B (en) | 2018-03-03 | 2018-03-03 | Pipeline leakage point detection method for lithium bromide refrigerating unit |
| CN202010486411.1A Active CN111442566B (en) | 2018-03-03 | 2018-03-03 | Depth indication method and missing point detection method with same |
| CN202010485125.3A Active CN111442565B (en) | 2018-03-03 | 2018-03-03 | Anti-skid method of leak detection device and leak detection method with same |
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| CN202010486411.1A Active CN111442566B (en) | 2018-03-03 | 2018-03-03 | Depth indication method and missing point detection method with same |
| CN202010485125.3A Active CN111442565B (en) | 2018-03-03 | 2018-03-03 | Anti-skid method of leak detection device and leak detection method with same |
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| CN113252247B (en) * | 2021-04-12 | 2024-04-30 | 江苏氢导智能装备有限公司 | Test head and be used for gas tightness detecting system of pipeline |
| CN115138539B (en) * | 2022-06-28 | 2024-05-03 | 贵州兰鑫石墨机电设备制造有限公司 | Glue injection repairing method and glue injection device for abnormal sound of distance tube of graphite tube heat exchanger |
| CN117948727A (en) * | 2024-03-27 | 2024-04-30 | 吉林大学 | Method for exploiting dry and hot rock by utilizing closed circulation of annular branch horizontal well |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111442565A (en) | 2020-07-24 |
| CN111442567A (en) | 2020-07-24 |
| CN111442567B (en) | 2021-11-05 |
| CN111442565B (en) | 2021-11-05 |
| CN111442566A (en) | 2020-07-24 |
| CN108302842B (en) | 2021-01-05 |
| CN111442566B (en) | 2021-11-02 |
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