CN113776749A - Pressure measuring equipment of phase-change cooling heat exchanger - Google Patents
Pressure measuring equipment of phase-change cooling heat exchanger Download PDFInfo
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- CN113776749A CN113776749A CN202110925687.XA CN202110925687A CN113776749A CN 113776749 A CN113776749 A CN 113776749A CN 202110925687 A CN202110925687 A CN 202110925687A CN 113776749 A CN113776749 A CN 113776749A
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- 238000001816 cooling Methods 0.000 title claims abstract description 92
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 3
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 20
- 238000012360 testing method Methods 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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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Abstract
The invention discloses pressure measuring equipment for a phase-change cooling heat exchanger, and 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 pressure measuring equipment for the phase-change cooling heat exchanger in the prior art is inaccurate in pressure measuring result due to the fact that an operator operates the pressure measuring equipment unstably, and the phase-change cooling heat exchanger in a positioning groove is inclined. The device comprises a rack, wherein a lifting frame and a positioning groove with an upward opening are arranged on the rack; the plugging and compressing device comprises a lifting actuating mechanism for lifting the lifting frame, a pressing plate, a horizontal guide sleeve fixed on the rack, 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 gas supply pipeline, a switch valve arranged on the first gas supply pipeline and an air pressure sensor.
Description
Technical Field
The invention relates to a detection device, in particular to a pressure measuring device of a phase-change cooling heat exchanger.
Background
The phase-change cooling heat exchanger for the phase-change cooling system is characterized in that gaseous refrigerants enter the heat exchanger through a pipeline, and the gaseous refrigerants are condensed into liquid refrigerants in a heat dissipation channel through heat dissipation of the heat exchanger. Current phase change cooled heat exchangers generally comprise: the cooling device comprises an upper air chamber positioned on the upper part of the phase-change cooling heat exchanger, an air inlet communicated with the upper air chamber, a lower water chamber positioned on the lower part of the phase-change cooling heat exchanger, a liquid outlet communicated with the lower water chamber and a plurality of vertical heating panels distributed between the upper air chamber and the lower water chamber side by side, wherein a cooling channel is arranged in the vertical heating panels, and the cooling channel 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 phase change formula cooling heat exchanger is in the course of the work, the operational environment of phase change formula cooling heat exchanger's inner chamber (including last air chamber, lower water chamber and cooling channel) is generally in the positive pressure environment, and the pressure of some phase change formula cooling heat exchanger's inner chamber is still bigger, therefore phase change formula cooling heat exchanger is after the preparation completion, generally need carry out the pressure test, detects the sealing performance of phase change formula cooling heat exchanger's inner chamber.
The pressure test equipment of the phase-change cooling heat exchanger at present generally adopts a lifting cylinder to drive a pressure plate to tightly press and fix the phase-change cooling heat exchanger in a positioning groove of a machine base; then, a translation cylinder in the horizontal direction is adopted to drive two blocking heads to be low-pressure on the air inlet and the liquid outlet, the air inlet and the liquid outlet are blocked and sealed (one blocking head is used for blocking the air inlet, and the other blocking head is used for blocking the liquid outlet), one of the blocking heads 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; and then, opening a valve on the gas supply pipeline, inflating and pressurizing the inner cavity of the phase-change cooling heat exchanger through the gas supply pipeline through the gas inlet channel, then closing and opening the valve on the gas supply pipeline, detecting the air pressure of the inner cavity of the phase-change cooling heat exchanger through a 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. In the actual operation of the conventional pressure testing equipment of the phase-change cooling heat exchanger, a lifting cylinder is required to be controlled to drive a pressing plate to descend, and the phase-change cooling heat exchanger is tightly pressed and fixed in a positioning groove of a machine base; then the translation cylinder can be controlled to drive the two blocking heads to be low-pressure at the air inlet and the liquid outlet; however, in actual operation, the operation of an operator is not standard, and the lifting cylinder drives the pressing plate to descend, and before the phase-change cooling heat exchanger is tightly pressed and fixed in the positioning groove of the base, the translation cylinder is directly controlled to drive the two blocking heads to have low pressure at the air inlet and the liquid outlet, so that the phase-change cooling heat exchanger in the positioning groove is inclined, the blocking heads fail to seal the air inlet and the liquid outlet, and a 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 pressure measuring equipment of a 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 testing result is inaccurate due to the fact that operation of an operator is not standard in pressure testing equipment of the phase-change cooling heat exchanger in the prior art, and the phase-change cooling heat exchanger is damaged due to the fact that the pressure testing equipment knocks down the phase-change cooling heat exchanger.
The technical scheme of the invention is as follows:
a phase change cooling heat exchanger pressure measurement apparatus comprising:
the phase-change type cooling heat exchanger comprises a rack, wherein a vertical guide pillar, a lifting frame lifting along the vertical guide pillar and a positioning groove with an upward opening are arranged on the rack, and the positioning groove is used for positioning the phase-change type cooling heat exchanger;
a plugging and compressing device, which comprises a lifting actuating mechanism for lifting the lifting frame, a vertical guide sleeve and a vertical mounting rod arranged on the lifting frame, a vertical rack arranged on the vertical mounting rod, a vertical guide rod arranged in the vertical guide sleeve in a sliding way, 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 sliding along the horizontal guide sleeve, a vertical mounting plate fixed at one end of the horizontal guide rod, an upper plugging head and a lower plugging head arranged on the vertical mounting plate, a horizontal rack arranged on the horizontal guide rod, a horizontal shaft rod rotatably arranged on the frame, a first gear and a second gear fixed on the horizontal shaft rod, wherein one of the two plugging heads 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, the first gear is meshed with the vertical rack, and the second gear is meshed with the horizontal rack;
the pressure measuring device comprises a first gas supply pipeline, a switch valve arranged on the first gas supply pipeline and a pressure sensor used for detecting the air pressure in the gas inlet channel, wherein a gas supply port is formed in the first gas supply pipeline, and the gas supply port is connected with the inlet of the gas inlet channel in a sealing mode through a connecting pipe.
The pressure measuring equipment of the phase-change cooling heat exchanger of the scheme is convenient to operate, and can effectively solve the problem that the phase-change cooling heat exchanger is damaged due to the fact that the phase-change cooling heat exchanger in the positioning groove is not inclined due to the fact that the pressure measuring equipment of the phase-change cooling heat exchanger in the prior art is not operated normally by operators.
Preferably, after the phase-change cooling heat exchanger is positioned in the positioning groove, in the process that the lifting actuating mechanism drives the lifting frame to move downwards, the pressing plate, the vertical mounting rod and the vertical rack move downwards synchronously with the lifting frame, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod and the second gear to rotate, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the sealing head to move towards the phase-change cooling heat exchanger positioned in the positioning groove;
then, the pressing plate is pressed on the upper surface of the phase-change cooling heat exchanger;
then, the vertical guide sleeve compresses the compression spring, so that the lifting execution 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 and the second gear to rotate, 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 seals an air inlet and a liquid outlet on the phase-change cooling heat exchanger.
Preferably, the vertical guide post is provided with an upper limiting block and a lower limiting block.
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 abutted to the upper end of the vertical guide sleeve under the action of the compression spring.
Preferably, the lower surface of the pressure plate is provided with an elastic rubber layer.
Preferably, the plugging heads comprise connecting columns fixedly installed on the vertical installation plate, cylindrical plugging heads arranged at the end parts of the connecting columns, annular baffles arranged on the cylindrical plugging heads and end face sealing gaskets arranged on one side faces of the annular baffles, and the end face sealing gaskets and the vertical installation plate are located on two sides of the annular baffles.
Preferably, the plugging head further comprises an annular mounting groove formed in the outer side surface of the cylindrical plugging head 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 machine frame, and the positioning groove is formed in the upper surface of the workbench.
The invention has the beneficial effects that: not only convenient operation, what the pressure test equipment that can effectively solve phase change type cooling heat exchanger among the prior art exists moreover because of operating personnel operation is not normal, and lead to the phase change type cooling heat exchanger in the constant head tank to take place the slope, the pressure test result is inaccurate and bump phase change type cooling heat exchanger, causes the destroyed problem of phase change type cooling heat exchanger.
Drawings
Fig. 1 is a schematic view of a structure of a pressure measuring apparatus of a phase-change type cooling heat exchanger according to the present invention.
Fig. 2 is a partial enlarged view of a portion a of fig. 1.
In the figure:
a frame 1;
the phase change type cooling heat exchanger 2, the air inlet 2.1, the liquid outlet 2.2;
the device comprises a plugging and pressing 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 execution mechanism 3.17;
the pressure measuring device 4, the first gas supply pipeline 4.1, the connecting pipe 4.2 and the air pressure sensor 4.3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention are clearly explained and illustrated below with reference to the accompanying drawings, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present scheme, and are not construed as limiting the scheme of the present invention.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited thereby. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., and "several" means one or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows: as shown in fig. 1 and fig. 2, a pressure measuring device of a phase-change cooling heat exchanger includes a frame 1, a plugging and compressing device 3, and a pressure measuring device 4.
The rack is provided with a vertical guide post 1.2, a lifting frame 1.3 which ascends and descends along the vertical guide post 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 post and used for limiting the lifting stroke of the lifting frame. The positioning groove is used for positioning the phase-change cooling heat exchanger 2; in this embodiment, be equipped with the workstation in the frame, the constant head tank sets up on the upper surface of workstation. The phase change type cooling heat exchanger is provided with an air inlet 2.1 and a liquid outlet 2.2.
The plugging and pressing device 3 comprises a lifting actuating mechanism 3.17 used for lifting the lifting frame, a vertical guide sleeve 3.11 and a vertical mounting rod 3.9 arranged on the lifting frame, a vertical rack 3.10 arranged on the vertical mounting rod, a vertical guide rod 3.12 arranged in the vertical guide sleeve in a sliding manner, a pressing plate 3.14 arranged at the lower end of the vertical guide rod, a compression spring 3.13 positioned between the vertical guide sleeve and the pressing plate, a horizontal guide sleeve 3.3 fixed on the rack, a horizontal guide rod 3.4 sliding along the horizontal guide sleeve, a vertical mounting plate 3.1 fixed at one end of the horizontal guide rod, an upper plugging head 3.2 and a lower plugging head 3.2 arranged on the vertical mounting plate, a horizontal rack 3.5 arranged on the horizontal guide rod, a horizontal shaft rod 3.6 rotatably arranged on the rack, and a first gear 3.7 and a second gear 3.8 fixed on the horizontal shaft rod. The lifting actuating mechanism is a cylinder or an electric cylinder. The horizontal guide sleeves are two, the two horizontal guide sleeves are parallel, and the horizontal guide rods correspond to the horizontal guide sleeves one to one. 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 abutted to 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 pressure plate is provided with an elastic rubber layer 3.16.
The upper plugging head of the two plugging heads is used for plugging the air inlet, and the lower plugging head is used for plugging the liquid outlet. One of the two plugging heads is internally provided with an air inlet channel, and in the embodiment, the air inlet channel is arranged in the plugging head 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 plugging heads 3.2 comprise connecting columns 3.21 fixedly installed on the vertical installation plate, cylindrical plugging heads 3.22 arranged at the end parts of the connecting columns, annular baffles 3.23 arranged on the cylindrical plugging heads and end face sealing gaskets 3.24 arranged on one side faces of the annular baffles. The end face sealing gasket and the vertical mounting plate are positioned on two sides of the annular baffle. In this embodiment, the cylindrical plugs and the connecting columns are coaxially distributed, and in the plugging head where the air inlet channel is located, the air inlet channel, the cylindrical plugs and the connecting columns are coaxially distributed, and the air inlet channel penetrates through the cylindrical plugs and the connecting columns.
Furthermore, the plugging head further comprises an annular mounting groove formed in the outer side surface of the cylindrical plugging head and a sealing ring 3.25 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.
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 atmospheric pressure sensor sets up on the shutoff head that has inlet channel for detect the atmospheric pressure in the inlet channel, in this embodiment, the atmospheric pressure sensor sets up on the spliced pole of the shutoff head that has inlet channel. The first air supply pipeline is provided with an air supply port, and the air supply port is hermetically connected with the air inlet channel through a connecting pipe 4.2. In this embodiment, the connection pipe is a hose.
In the process that the lifting actuating mechanism drives the lifting frame to move downwards, the pressing plate, the vertical mounting rod and the vertical rack move downwards synchronously along with the lifting frame, 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 positioning groove.
In the process that the lifting actuating mechanism drives the lifting frame to move upwards, the pressing plate, the vertical mounting rod and the vertical rack move upwards synchronously along with the lifting frame, 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 in the direction of the positioning groove in a mode of being far away from and positioned.
The specific operation of the phase-change cooling heat exchanger pressure measuring device of the present embodiment is as follows:
firstly, positioning a phase-change cooling heat exchanger in a positioning groove, wherein an air inlet and an liquid outlet on the phase-change cooling heat exchanger face a plugging head of a plugging and compressing device;
second, operating personnel control lift actuating mechanism work, and lift actuating mechanism drives the crane and down removes, and position, this in-process are supported to stopper down until the crane: the pressing plate, the vertical mounting rod and the vertical rack move downwards synchronously along with the lifting frame, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod and the second gear to rotate, 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 on the upper surface of the phase-change cooling heat exchanger;
then, the vertical guide sleeve compresses the compression spring, so that the lifting actuating 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 and the second gear to rotate, 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, the end face sealing gasket of the blocking head positioned above abuts against the end face of the air inlet, and the cylindrical blocking head of the blocking head extends into the air inlet to seal the air inlet through the end face sealing gasket and the sealing ring; the end face sealing gasket of the blocking head below supports against the end face of the liquid outlet, and the cylindrical blocking head of the blocking head extends into the liquid outlet and seals the liquid outlet through the end face sealing gasket and the sealing ring, so that the air inlet and the liquid outlet are sealed in a blocking manner.
Before the plugging head is abutted against the air inlet and the liquid outlet, the pressure plate is already abutted against the upper surface of the phase change type cooling heat exchanger, and the phase change type cooling heat exchanger is tightly pressed and positioned in the positioning groove; therefore, after the blocking head abuts against the air inlet and the liquid outlet and blocks and seals the air inlet and the liquid outlet, the problems that the blocking head seals the air inlet and the liquid outlet to be invalid and the pressure test result is inaccurate due to the fact that the phase-change cooling heat exchanger inclines cannot occur; the problem that the phase-change cooling heat exchanger is damaged due to the fact that the phase-change cooling heat exchanger in the positioning groove is knocked down cannot occur;
thirdly, opening a switch valve on the gas supply pipeline, inflating and pressurizing the inner cavity of the phase-change cooling heat exchanger through the gas supply pipeline through the gas inlet channel, then closing and opening the valve on the gas supply pipeline, detecting the air pressure of the inner cavity of the phase-change cooling heat exchanger through the air pressure sensor, if the air pressure in the set time is kept in the set range, the pressure test is qualified, otherwise, the pressure test is unqualified;
fourth, operating personnel controls lift actuating mechanism work, and lift actuating mechanism drives the crane and up moves, and position, this in-process on last stopper are supported to the crane: the vertical mounting rod and the vertical rack move up synchronously along with the lifting frame, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod and the second gear to rotate, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting 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, the guide rod limiting block abuts against the upper end of the vertical guide sleeve, and then the descending frame drives the vertical mounting 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 plugging head continues to move away from the positioning groove; and finally, taking down the phase change type cooling heat exchanger.
The pressure measuring equipment of the phase-change cooling heat exchanger in the embodiment only needs one lifting actuating mechanism (namely one air cylinder or one electric cylinder), so that the phase-change cooling heat exchanger can be pressed and positioned in the positioning groove through the pressing plate, then is propped against the air inlet and the liquid outlet through the blocking heads, and is blocked and sealed; compared with the pressure test equipment of the phase-change cooling heat exchanger in the prior art, which needs the lifting cylinder and the horizontal cylinder to work cooperatively, the pressure test equipment of the phase-change cooling heat exchanger in the embodiment can save one power part and save the cost; more importantly, can the simplified operation, convenient operation avoids the pressure test of phase change formula cooling heat exchanger among the prior art to exist because of operating personnel operation is not standard, and leads to the phase change formula cooling heat exchanger in the constant head tank to take place to incline, the unsafe problem of pressure test result and bump phase change formula cooling heat exchanger, cause the destroyed problem of phase change formula cooling heat exchanger.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, alterations and equivalents of the above embodiments according to the technical spirit of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a phase transition formula cooling heat exchanger pressure measurement equipment, characterized by includes:
the phase-change type cooling heat exchanger comprises a rack, wherein a vertical guide pillar, a lifting frame lifting along the vertical guide pillar and a positioning groove with an upward opening are arranged on the rack, and the positioning groove is used for positioning the phase-change type cooling heat exchanger;
a plugging and compressing device, which comprises a lifting actuating mechanism for lifting the lifting frame, a vertical guide sleeve and a vertical mounting rod arranged on the lifting frame, a vertical rack arranged on the vertical mounting rod, a vertical guide rod arranged in the vertical guide sleeve in a sliding way, 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 sliding along the horizontal guide sleeve, a vertical mounting plate fixed at one end of the horizontal guide rod, an upper plugging head and a lower plugging head arranged on the vertical mounting plate, a horizontal rack arranged on the horizontal guide rod, a horizontal shaft rod rotatably arranged on the frame, a first gear and a second gear fixed on the horizontal shaft rod, wherein one of the two plugging heads 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, the first gear is meshed with the vertical rack, and the second gear is meshed with the horizontal rack;
the pressure measuring device comprises a first gas supply pipeline, a switch valve arranged on the first gas supply pipeline and a pressure sensor used for detecting the air pressure in the gas inlet channel, wherein a gas supply port is formed in the first gas supply pipeline, and the gas supply port is connected with the inlet of the gas inlet channel in a sealing mode through a connecting pipe.
2. The pressure measuring device of claim 1, wherein after the phase-change cooling heat exchanger is positioned in the positioning groove, the lifting actuator drives the lifting frame to move downward, the pressing plate, the vertical mounting rod and the vertical rack move downward synchronously with the lifting frame, the vertical rack drives the first gear to rotate, the first gear drives the horizontal shaft rod and the second gear to rotate, and the second gear drives the horizontal rack, the horizontal guide rod, the vertical mounting plate and the blocking head to move toward the phase-change cooling heat exchanger positioned in the positioning groove;
then, the pressing plate is pressed on the upper surface of the phase-change cooling heat exchanger;
then, the vertical guide sleeve compresses the compression spring, so that the lifting execution 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 and the second gear to rotate, 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 seals an air inlet and a liquid outlet on the phase-change cooling heat exchanger.
3. The pressure measuring device of the phase-change cooling heat exchanger according to claim 1, wherein an upper limit block and a lower limit block are arranged on the vertical guide pillar.
4. The pressure measuring equipment of the phase-change cooling heat exchanger as claimed in 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 abuts against the upper end of the vertical guide sleeve under the action of the compression spring.
5. The pressure measuring apparatus of claim 1, 2 or 3, wherein the lower surface of the pressure plate is provided with an elastic rubber layer.
6. The pressure measuring equipment of the phase-change cooling heat exchanger as claimed in claim 1, 2 or 3, wherein the blocking heads comprise a connecting column fixedly mounted on the vertical mounting plate, a cylindrical blocking head arranged at the end part of the connecting column, an annular baffle plate arranged on the cylindrical blocking head and an end face sealing gasket arranged on one side face of the annular baffle plate, and the end face sealing gaskets and the vertical mounting plate are positioned on two sides of the annular baffle plate.
7. The pressure measuring equipment of the phase-change cooling heat exchanger as claimed in claim 1, 2 or 3, wherein the plugging head further comprises an annular mounting groove formed on the outer side surface of the cylindrical plugging head, 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. The pressure measuring equipment of the phase-change cooling heat exchanger as claimed in claim 1, 2 or 3, wherein the lifting actuator is an air cylinder or an electric cylinder.
9. The pressure measuring apparatus of claim 1, 2 or 3, wherein the connecting pipe is a flexible pipe.
10. The pressure measuring apparatus of claim 1, 2 or 3, wherein the frame is provided with a worktable, and the positioning groove is formed on an upper surface of the worktable.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113776749B (en) | 2023-10-20 |
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