CN113776749B - Phase-change type cooling heat exchanger pressure measuring equipment - Google Patents
Phase-change type cooling heat exchanger pressure measuring equipment Download PDFInfo
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- CN113776749B CN113776749B CN202110925687.XA CN202110925687A CN113776749B CN 113776749 B CN113776749 B CN 113776749B CN 202110925687 A CN202110925687 A CN 202110925687A CN 113776749 B CN113776749 B CN 113776749B
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- 238000001816 cooling Methods 0.000 title claims abstract description 95
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 claims description 26
- 230000008859 change Effects 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 5
- 238000009530 blood pressure measurement Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses pressure measuring equipment for a phase-change cooling heat exchanger, which aims to provide the pressure measuring equipment for the phase-change cooling heat exchanger, which is convenient to operate and can effectively solve the problems that the phase-change cooling heat exchanger in a positioning groove is inclined and the pressure test result is inaccurate due to the fact that operation of an operator is not standard in the pressure test equipment for the phase-change cooling heat exchanger in the prior art. The lifting device comprises a frame, wherein a lifting frame and a positioning groove with an upward opening are arranged on the frame; the plugging and compressing device comprises a lifting executing mechanism for lifting the lifting frame, a pressing plate, a horizontal guide sleeve fixed on the frame, a horizontal guide rod sliding along the horizontal guide sleeve, a vertical mounting plate fixed at one end of the horizontal guide rod and an upper plugging head and a lower plugging head arranged on the vertical mounting plate; the pressure measuring device comprises a first air supply pipeline, a switch valve and an air pressure sensor, wherein the switch valve and the air pressure sensor are arranged on the first air supply pipeline.
Description
Technical Field
The invention relates to a detection device, in particular to phase-change cooling heat exchanger pressure measuring equipment.
Background
The phase-change cooling heat exchanger for the phase-change cooling system is characterized in that a gaseous refrigerant enters the heat exchanger through a pipeline, and the gaseous refrigerant is condensed into a liquid refrigerant in a heat dissipation channel through heat dissipation of the heat exchanger. Current phase change cooling heat exchangers generally include: the device comprises an upper air chamber positioned at the upper part of the phase-change cooling heat exchanger, an air inlet communicated with the upper air chamber, a lower water chamber positioned at the lower part of the phase-change cooling heat exchanger, a liquid outlet communicated with the lower water chamber and a plurality of vertical heat dissipation plates distributed between the upper air chamber and the lower water chamber side by side, wherein a cooling channel is arranged in the vertical heat dissipation plates and is communicated with the upper air chamber and the lower water chamber. In actual manufacturing, the vertical heat dissipation plate is connected with the upper air chamber and the lower water chamber through welding. Because the working environment of the inner cavity (comprising the upper air chamber, the lower water chamber and the cooling channel) of the phase-change cooling heat exchanger is generally in a positive pressure environment in the working process of the phase-change cooling heat exchanger, the pressure of the inner cavity of some phase-change cooling heat exchangers is also relatively high, and therefore, the pressure test is generally required to be carried out after the phase-change cooling heat exchanger is manufactured to detect the sealing performance of the inner cavity of the phase-change cooling heat exchanger.
The prior pressure test equipment of the phase-change cooling heat exchanger generally adopts a lifting cylinder to drive a pressing plate to tightly press and fix the phase-change cooling heat exchanger in a positioning groove of a machine base; then, a horizontal translation cylinder is adopted to drive two plugging heads to be at low pressure on the air inlet and the liquid outlet, the air inlet and the liquid outlet are plugged and sealed (one plugging head is used for plugging the air inlet, the other plugging head is used for plugging the liquid outlet), one plugging head is also provided with an air inlet channel, the air inlet channel is connected with an air supply pipeline, and a valve is arranged on the air supply pipeline; then, the valve on the air supply pipeline is opened, the air supply pipeline charges air to the inner cavity of the phase change type cooling heat exchanger through the air inlet channel for pressurization, then the valve on the air supply pipeline is closed and opened, the sensor is used for detecting the air pressure of the inner cavity of the phase change type cooling heat exchanger, if the air pressure in the set time is kept within the set range, the pressure test is qualified, otherwise, the pressure test is unqualified. In actual operation, the pressure test equipment of the prior phase-change type cooling heat exchanger needs to control the lifting cylinder to drive the pressing plate to descend, and the phase-change type cooling heat exchanger is tightly pressed and fixed in the positioning groove of the engine base; then, the translation cylinder can be controlled to drive the two plugging heads to be at low pressure at the air inlet and the liquid outlet; however, in actual operation, the operation is often irregular, before the lifting cylinder drives the pressing plate to descend, the translation cylinder is directly controlled to drive the two plugging heads to be at low pressure in the air inlet and the liquid outlet before the phase-change type cooling heat exchanger is pressed and fixed in the positioning groove of the base, so that the phase-change type cooling heat exchanger in the positioning groove is inclined, the plugging head is caused to seal the air inlet and the liquid outlet to fail, and the pressure test result is inaccurate; even the phase-change cooling heat exchanger in the positioning groove is knocked down, so that the phase-change cooling heat exchanger is damaged.
Disclosure of Invention
The invention aims to provide the pressure measuring equipment for the phase-change cooling heat exchanger, which is convenient to operate and can effectively solve the problems that the phase-change cooling heat exchanger in a positioning groove is inclined due to the fact that operation of an operator is not standard, the pressure test result is inaccurate and the phase-change cooling heat exchanger is knocked down, so that the phase-change cooling heat exchanger is damaged in the pressure testing equipment for the phase-change cooling heat exchanger in the prior art.
The technical scheme of the invention is as follows:
a phase change cooled heat exchanger pressure measurement apparatus comprising:
the device comprises a frame, a plurality of phase change cooling heat exchangers, a plurality of lifting frames, a plurality of positioning grooves, a plurality of cooling heat exchangers and a plurality of cooling heat exchangers, wherein the frame is provided with a vertical guide pillar, a lifting frame lifting along the vertical guide pillar and a positioning groove with an upward opening;
the plugging and compacting device comprises a lifting executing mechanism for lifting the lifting frame, a vertical guide sleeve and a vertical installation rod which are arranged on the lifting frame, a vertical rack arranged on the vertical installation rod, a vertical guide rod which is arranged in the vertical guide sleeve in a sliding manner, a pressing plate arranged at the lower end of the vertical guide rod, a compression spring positioned between the vertical guide sleeve and the pressing plate, a horizontal guide sleeve fixed on the frame, a horizontal guide rod which slides along the horizontal guide sleeve, a vertical mounting plate fixed at one end of the horizontal guide rod, an upper blocking plug and a lower blocking plug arranged on the vertical mounting plate, a horizontal rack arranged on the horizontal guide rod, a horizontal shaft rod which is arranged on the frame in a rotating manner, and a first gear and a second gear which are fixed on the horizontal shaft rod, wherein one of the two blocking plugs is internally provided with an air inlet channel, one end of the air inlet channel is an inlet, and the other end of the air inlet channel is an outlet, and the first gear is meshed with the vertical rack;
the pressure measuring device comprises a first air supply pipeline, a switch valve arranged on the first air supply pipeline and an air pressure sensor used for detecting air pressure in the air inlet channel, wherein an air supply port is arranged on the first air supply pipeline, and the air supply port is in sealing connection with the inlet of the air inlet channel through a connecting pipe.
According to the pressure measuring equipment for the phase-change cooling heat exchanger, the operation is convenient, and the problem that the phase-change cooling heat exchanger is damaged due to inaccurate pressure test results and collision of the phase-change cooling heat exchanger caused by inclination of the phase-change cooling heat exchanger in the positioning groove due to non-standard operation of operators in pressure testing equipment for the phase-change cooling heat exchanger in the prior art can be effectively solved.
Preferably, after the phase-change cooling heat exchanger is positioned in the positioning groove, in the process that the lifting executing mechanism drives the lifting frame to move downwards, the pressing plate, the vertical mounting rod and the vertical rack firstly move downwards along with the lifting frame synchronously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the phase-change cooling heat exchanger positioned in the positioning groove;
then, the pressing plate is pressed against the upper surface of the phase-change cooling heat exchanger;
and then, the compression spring is compressed by the vertical guide sleeve, so that the lifting executing mechanism drives the lifting frame to continuously move downwards, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the phase-change cooling heat exchanger positioned in the positioning groove, and the blocking head blocks and seals the air inlet and the liquid outlet on the phase-change cooling heat exchanger.
Preferably, an upper limiting block and a lower limiting block are arranged on the vertical guide post.
Preferably, the upper end of the vertical guide rod is provided with a guide rod limiting block, the compression spring is sleeved on the vertical guide rod, and the guide rod limiting block is propped against the upper end of the vertical guide sleeve under the action of the compression spring.
Preferably, the lower surface of the pressing plate is provided with an elastic rubber layer.
Preferably, the plugging head comprises a connecting column fixedly installed on the vertical mounting plate, a cylindrical plug arranged at the end part of the connecting column, an annular baffle arranged on the cylindrical plug and an end face sealing gasket arranged on one side face of the annular baffle, wherein the end face sealing gasket and the vertical mounting plate are positioned on two sides of the annular baffle.
Preferably, the plugging head further comprises an annular mounting groove arranged on the outer side face of the cylindrical plug and a sealing ring arranged in the annular mounting groove, and the sealing ring and the end face sealing gasket are located on the same side of the annular baffle.
Preferably, the lifting actuator is a cylinder or an electric cylinder.
Preferably, the connection tube is a hose.
Preferably, a workbench is arranged on the rack, and the positioning groove is arranged on the upper surface of the workbench.
The beneficial effects of the invention are as follows: the pressure test device for the phase-change cooling heat exchanger is convenient to operate, and can effectively solve the problems that the phase-change cooling heat exchanger in the positioning groove is inclined due to the fact that operation of operators is not standard, the pressure test result is inaccurate, the phase-change cooling heat exchanger is knocked down, and the phase-change cooling heat exchanger is damaged in the prior art.
Drawings
Fig. 1 is a schematic structural view of a pressure measuring device for a phase change type cooling heat exchanger according to the present invention.
Fig. 2 is an enlarged view of a portion of fig. 1 at a.
In the figure:
a frame 1;
the phase-change cooling heat exchanger 2, the air inlet 2.1 and the liquid outlet 2.2;
the device comprises a plugging and compacting device 3, a vertical mounting plate 3.1, a plugging head 3.2, a horizontal guide sleeve 3.3, a horizontal guide rod 3.4, a horizontal rack 3.5, a horizontal shaft rod 3.6, a first gear 3.7, a second gear 3.8, a vertical mounting rod 3.9, a vertical rack 3.10, a vertical guide sleeve 3.11, a vertical guide rod 3.12, a compression spring 3.13, a pressing plate 3.14, a guide rod limiting block 3.15, an elastic rubber layer 3.16 and a lifting executing mechanism 3.17;
pressure measuring device 4, first air feed pipeline 4.1, connecting pipe 4.2, barometric sensor 4.3.
Detailed Description
For the purpose of making the technical solution embodiment, the technical solution and the advantages of the present invention more apparent, the technical solution of the embodiment of the present invention will be clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiment is only a preferred embodiment of the present invention, not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present invention.
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present solution and are not to be construed as limiting the solution of the present invention.
These and other aspects of embodiments of the invention will be apparent from and elucidated with reference to the description and drawings described hereinafter. In the description and drawings, particular implementations of embodiments of the invention are disclosed in detail as being indicative of some of the ways in which the principles of embodiments of the invention may be employed, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all alternatives, modifications and equivalents as may be included within the spirit and scope of the appended claims.
In the description of the present invention, it should be understood that the terms "thickness," "upper," "lower," "horizontal," "top," "bottom," "inner," "outer," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, the meaning of "a plurality" means at least two, for example, two, three, etc., unless explicitly defined otherwise, the meaning of "a number" means one or more.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
First embodiment: as shown in fig. 1 and 2, the pressure measuring equipment of the phase-change cooling heat exchanger comprises a frame 1, a plugging and compacting device 3 and a pressure measuring device 4.
The frame is provided with a vertical guide pillar 1.2, a lifting frame 1.3 lifting along the vertical guide pillar and a positioning groove 1.1 with an upward opening. An upper limiting block 1.4 and a lower limiting block 1.5 are arranged on the vertical guide pillar and used for limiting the lifting travel of the lifting frame. The positioning groove is used for positioning the phase-change cooling heat exchanger 2; in this embodiment, a workbench is disposed on the stand, and the positioning groove is disposed on the upper surface of the workbench. The phase change type cooling heat exchanger is provided with an air inlet 2.1 and a liquid outlet 2.2.
The plugging and compacting device 3 comprises a lifting executing mechanism 3.17 for lifting the lifting frame, a vertical guide sleeve 3.11 and a vertical installation rod 3.9 which are arranged on the lifting frame, a vertical rack 3.10 which is arranged on the vertical installation rod, a vertical guide rod 3.12 which is arranged in the vertical guide sleeve in a sliding manner, a pressing plate 3.14 which is arranged at the lower end of the vertical guide rod, a compression spring 3.13 which is positioned between the vertical guide sleeve and the pressing plate, a horizontal guide sleeve 3.3 which is fixed on a frame, a horizontal guide rod 3.4 which slides along the horizontal guide sleeve, a vertical installation plate 3.1 which is fixed at one end of the horizontal guide rod, an upper plugging head 3.2 and a lower plugging head 3.2 which are arranged on the vertical installation plate, a horizontal rack 3.5 which is arranged on the horizontal guide rod, a horizontal shaft rod 3.6 which is arranged on the frame in a rotating manner, and a first gear 3.7 and a second gear 3.8 which are fixed on the horizontal shaft rod. The lifting executing mechanism is an air cylinder or an electric cylinder. The number of the horizontal guide sleeves is two, the two horizontal guide sleeves are parallel, and the horizontal guide rods are in one-to-one correspondence with the horizontal guide sleeves. The horizontal rack is fixed on the horizontal guide rod and is parallel to the horizontal guide rod. The first gear is meshed with the vertical rack, and the second gear is meshed with the horizontal rack. In this embodiment, the outer diameter of the first gear is larger than the outer diameter of the second gear.
The upper end of the vertical guide rod is provided with a guide rod limiting block 3.15, the compression spring is sleeved on the vertical guide rod, and the guide rod limiting block is propped against the upper end of the vertical guide sleeve under the action of the compression spring. The pressing plates are horizontally distributed and are positioned above the positioning grooves. In this embodiment, the lower surface of the pressing plate is provided with an elastic rubber layer 3.16.
The plugging heads positioned above the two plugging heads are used for plugging the air inlet, and the plugging heads positioned below the two plugging heads are used for plugging the liquid outlet. One of the two plugs is internally provided with an air inlet channel, and in the embodiment, the air inlet channel is arranged in the plug positioned above. One end of the air inlet channel is an inlet, and the other end of the air inlet channel is an outlet.
The blocking head 3.2 comprises a connecting column 3.21 fixedly installed on the vertical mounting plate, a cylindrical blocking head 3.22 arranged at the end part of the connecting column, an annular baffle plate 3.23 arranged on the cylindrical blocking head and an end face sealing gasket 3.24 arranged on one side face of the annular baffle plate. The end face sealing gaskets and the vertical mounting plates are positioned on two sides of the annular baffle plate. In this embodiment, the cylindrical plugs and the connecting columns are coaxially distributed, and among the plugs where the air inlet channels are located, the air inlet channels, the cylindrical plugs and the connecting columns are coaxially distributed, and the air inlet channels penetrate through the cylindrical plugs and the connecting columns.
Further, the plugging head further comprises an annular mounting groove arranged on the outer side face of the cylindrical plug and a sealing ring 3.25 arranged in the annular mounting groove, wherein the sealing ring and the end face sealing gasket are positioned on the same side of the annular baffle.
The pressure measuring device 4 comprises an air pressure sensor 4.3, a first air supply pipeline 4.1 and a switch valve arranged on the first air supply pipeline. The air pressure sensor is arranged on the plugging head with the air inlet channel and is used for detecting the air pressure in the air inlet channel, and in the embodiment, the air pressure sensor is arranged on a connecting column of the plugging head with the air inlet channel. An air supply port is arranged on the first air supply pipeline, and the air supply port is in sealing connection with the air inlet channel through a connecting pipe 4.2. In this embodiment, the connection tube is a hose.
In the process that the lifting executing mechanism drives the lifting frame to move downwards, the pressing plate, the vertical mounting rod and the vertical rack firstly move downwards along with the lifting frame synchronously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the direction of the positioning groove.
In the process that the lifting executing mechanism drives the lifting frame to move upwards, the pressing plate, the vertical mounting rod and the vertical rack move upwards along with the lifting frame synchronously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move away from the positioning groove.
The specific operation of the phase change type cooling heat exchanger pressure measuring device in this embodiment is as follows:
firstly, positioning a phase-change type cooling heat exchanger in a positioning groove, wherein an air inlet and a liquid outlet on the phase-change type cooling heat exchanger face to a plugging head of a plugging and compacting device;
secondly, operating personnel control lift actuating mechanism work, and lift actuating mechanism drives the crane and moves down, until the crane supports the position on lower stopper, this in-process: the pressing plate, the vertical mounting rod and the vertical rack firstly move downwards along with the lifting frame synchronously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the phase-change cooling heat exchanger positioned in the positioning groove;
then, the pressing plate is pressed against the upper surface of the phase-change cooling heat exchanger;
then, the compression spring is compressed by the vertical guide sleeve, the lifting executing mechanism drives the lifting frame to move downwards continuously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the phase-change cooling heat exchanger positioned in the positioning groove, so that the blocking head abuts against the air inlet and the liquid outlet, specifically, an end face sealing gasket of the blocking head positioned above abuts against the end face of the air inlet, the cylindrical blocking head of the blocking head stretches into the air inlet, and the air inlet is sealed by the end face sealing gasket and the sealing ring; the end face sealing gasket of the lower transmitting blocking head is abutted against the end face of the liquid outlet, the cylindrical blocking head of the blocking head stretches into the liquid outlet, and the liquid outlet is sealed through the end face sealing gasket and the sealing ring, so that the air inlet and the liquid outlet are sealed.
Before the plugging head is propped against the air inlet and the liquid outlet, the pressing plate is propped against the upper surface of the phase-change cooling heat exchanger, so that the phase-change cooling heat exchanger is tightly pressed and positioned in the positioning groove; therefore, after the plugging head is abutted against the air inlet and the liquid outlet and the air inlet and the liquid outlet are plugged and sealed, the problem that the plugging head is used for sealing the air inlet and the liquid outlet and the pressure test result is inaccurate due to the fact that the phase-change cooling heat exchanger is inclined is avoided; the problem that the phase-change cooling heat exchanger in the positioning groove is damaged due to the fact that the phase-change cooling heat exchanger is knocked down is avoided;
thirdly, opening a switch valve on the air supply pipeline, wherein the air supply pipeline charges air to the inner cavity of the phase change type cooling heat exchanger through the air inlet channel for pressurization, then closing and opening the valve on the air supply pipeline, detecting the air pressure of the inner cavity of the phase change type cooling heat exchanger through the air pressure sensor, and if the air pressure in the set time is kept within the set range, the pressure test is qualified, otherwise, the pressure test is unqualified;
fourth, operating personnel control lift actuating mechanism work, and lift actuating mechanism drives the crane and upwards removes, until the crane supports the upper limit block upper position, this in-process: the vertical installation rod and the vertical rack move upwards along with the lifting frame synchronously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical installation plate and the blocking head to move in the direction away from the positioning groove, so that the blocking head is separated from the air inlet and the liquid outlet; then, a guide rod limiting block is propped against the upper end of the vertical guide sleeve, and then the descending frame drives the vertical installation rod, the vertical rack and the pressing plate to move upwards together, so that the pressing plate is separated from the phase-change cooling heat exchanger, and the blocking head is enabled to move in a direction away from the positioning groove continuously; and finally, the phase change type cooling heat exchanger is taken down.
The pressure measuring equipment of the phase change type cooling heat exchanger can realize that the phase change type cooling heat exchanger is pressed and positioned in the positioning groove by the pressing plate and then is abutted against the air inlet and the liquid outlet by the blocking head, and the air inlet and the liquid outlet are blocked and sealed by the blocking head; compared with the pressure test equipment of the phase-change cooling heat exchanger in the prior art, which needs the cooperative operation of the lifting cylinder and the horizontal cylinder, the pressure test equipment of the phase-change cooling heat exchanger can save a power component and save cost; more importantly, the operation can be simplified, the operation is convenient, and the problems that the phase-change cooling heat exchanger in the positioning groove is inclined due to the fact that operation of operators is not standard and the pressure test result is inaccurate and the phase-change cooling heat exchanger is knocked down to cause the damage of the phase-change cooling heat exchanger in the prior art are avoided.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent transformation of the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A phase change cooling heat exchanger pressure measurement apparatus, comprising:
the device comprises a frame, a plurality of phase change cooling heat exchangers, a plurality of lifting frames, a plurality of positioning grooves, a plurality of cooling heat exchangers and a plurality of cooling heat exchangers, wherein the frame is provided with a vertical guide pillar, a lifting frame lifting along the vertical guide pillar and a positioning groove with an upward opening;
the plugging and compacting device comprises a lifting executing mechanism for lifting the lifting frame, a vertical guide sleeve and a vertical installation rod which are arranged on the lifting frame, a vertical rack arranged on the vertical installation rod, a vertical guide rod which is arranged in the vertical guide sleeve in a sliding manner, a pressing plate arranged at the lower end of the vertical guide rod, a compression spring positioned between the vertical guide sleeve and the pressing plate, a horizontal guide sleeve fixed on the frame, a horizontal guide rod which slides along the horizontal guide sleeve, a vertical mounting plate fixed at one end of the horizontal guide rod, an upper blocking plug and a lower blocking plug arranged on the vertical mounting plate, a horizontal rack arranged on the horizontal guide rod, a horizontal shaft rod which is arranged on the frame in a rotating manner, and a first gear and a second gear which are fixed on the horizontal shaft rod, wherein one of the two blocking plugs is internally provided with an air inlet channel, one end of the air inlet channel is an inlet, and the other end of the air inlet channel is an outlet, and the first gear is meshed with the vertical rack;
the pressure measuring device comprises a first air supply pipeline, a switch valve arranged on the first air supply pipeline and an air pressure sensor used for detecting air pressure in the air inlet channel, wherein an air supply port is arranged on the first air supply pipeline, and the air supply port is in sealing connection with the inlet of the air inlet channel through a connecting pipe.
2. The pressure measuring device of a phase-change cooling heat exchanger according to claim 1, wherein after the phase-change cooling heat exchanger is positioned in the positioning groove, in the process that the lifting executing mechanism drives the lifting frame to move downwards, the pressing plate, the vertical mounting rod and the vertical rack firstly move downwards along with the lifting frame synchronously, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the phase-change cooling heat exchanger positioned in the positioning groove;
then, the pressing plate is pressed against the upper surface of the phase-change cooling heat exchanger;
and then, the compression spring is compressed by the vertical guide sleeve, so that the lifting executing mechanism drives the lifting frame to continuously move downwards, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod to rotate with the second gear, the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move towards the phase-change cooling heat exchanger positioned in the positioning groove, and the blocking head blocks and seals the air inlet and the liquid outlet on the phase-change cooling heat exchanger.
3. The pressure measuring device of a phase-change cooling heat exchanger of claim 1, wherein an upper limiting block and a lower limiting block are arranged on the vertical guide post.
4. A pressure measuring device for a phase change type cooling heat exchanger according to claim 1, 2 or 3, wherein a guide rod limiting block is arranged at the upper end of the vertical guide rod, the compression spring is sleeved on the vertical guide rod, and the guide rod limiting block is propped against the upper end of the vertical guide sleeve under the action of the compression spring.
5. A phase change cooling heat exchanger pressure measuring apparatus as claimed in claim 1, 2 or 3 wherein the lower surface of the pressure plate is provided with an elastic rubber layer.
6. A pressure measuring device for a phase change type cooling heat exchanger according to claim 1, 2 or 3, wherein the plugging head comprises a connecting column fixedly installed on a vertical installation plate, a cylindrical plug arranged at the end part of the connecting column, an annular baffle arranged on the cylindrical plug, and an end face sealing gasket arranged on one side face of the annular baffle, and the end face sealing gasket and the vertical installation plate are positioned on two sides of the annular baffle.
7. A pressure measuring device for a phase change type cooling heat exchanger according to claim 1, 2 or 3, wherein the plugging head further comprises an annular mounting groove arranged on the outer side surface of the cylindrical plug, and a sealing ring arranged in the annular mounting groove, and the sealing ring and the end face sealing gasket are positioned on the same side of the annular baffle.
8. A phase change cooling heat exchanger pressure measurement apparatus as claimed in claim 1, 2 or 3 wherein the lifting actuator is a cylinder or an electric cylinder.
9. A phase change cooled heat exchanger pressure measurement apparatus as claimed in claim 1 or 2 or 3 wherein the connection tube is a hose.
10. A phase change cooling heat exchanger pressure measuring apparatus as claimed in claim 1, 2 or 3 wherein the frame is provided with a table, and the positioning groove is provided on an upper surface of the table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925687.XA CN113776749B (en) | 2021-08-12 | 2021-08-12 | Phase-change type cooling heat exchanger pressure measuring equipment |
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| CN113776749A (en) | 2021-12-10 |
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