CN114536618A - Cooling controllable system for polyurethane balloon forming equipment - Google Patents
Cooling controllable system for polyurethane balloon forming equipment Download PDFInfo
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- CN114536618A CN114536618A CN202210179499.1A CN202210179499A CN114536618A CN 114536618 A CN114536618 A CN 114536618A CN 202210179499 A CN202210179499 A CN 202210179499A CN 114536618 A CN114536618 A CN 114536618A
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- 238000001816 cooling Methods 0.000 title claims abstract description 119
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 11
- 239000004814 polyurethane Substances 0.000 title claims abstract description 11
- 239000002826 coolant Substances 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 6
- 210000004204 blood vessel Anatomy 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2022/00—Hollow articles
- B29L2022/02—Inflatable articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/753—Medical equipment; Accessories therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a cooling controllable system for polyurethane balloon forming equipment, which comprises a circulating cooling device, an adjustable multi-way flow divider valve, a control monitoring unit, a flow sensor, a temperature sensor, a first electric switch valve, a cooling pump, a mold with a heat load and a pipeline, wherein each branch is provided with the flow sensor, the temperature sensor, the first electric switch valve, the cooling pump and the mold with the heat load; according to the technical scheme, the cooling controllable system adopts the adjustable multi-way flow dividing valve to distribute the coolant to each branch, and the flow of the coolant on the branches is improved by the cooling pump; meanwhile, the on-off of a cooling flow channel arranged in the mold is controlled through the first electric switch valve, so that the coolant can be provided for each device independently in a one-to-one correspondence manner; meanwhile, the coolant is distributed by the adjustable multi-way shunt valve according to the cooling requirement of each die, so that a cooling management system of a plurality of molding devices is established, and the utilization rate of the coolant is greatly improved.
Description
Technical Field
The invention relates to the technical field of balloon forming equipment, in particular to a cooling controllable system for polyurethane balloon forming equipment.
Background
The balloon catheter is a key device for dredging blood vessels, trachea, esophagus and intestinal tracts of a human body and conveying widely used stents; during the cardiovascular interventional therapy operation, the blood vessel can be directly expanded and dilated at the narrow part of the blood vessel through the balloon catheter, the stent can be sent to the narrow part of the blood vessel through the guide catheter and the balloon catheter, then the stent pressed on the balloon is expanded through the expansion balloon, and the stent is embedded on the inner wall of the blood vessel, so that the narrowed blood vessel is recovered to be normal in size, and the smoothness of blood flow is ensured; with the development of medical level, medical catheters hold more important position in clinical medical treatment, and the balloon is used as the most key component of the balloon catheter, and the quality requirement of the balloon catheter is higher and higher.
The existing polyurethane balloon forming equipment is matched with one cooling device for use, so that high-efficiency cooling efficiency and good cooling effect can be provided for the forming equipment; however, the investment of production equipment is high, and the installation, maintenance and management of the equipment are responsible and cumbersome; meanwhile, the coolant is easily wasted.
Disclosure of Invention
In the prior art, the invention aims to provide a cooling controllable system which is convenient to install and reasonable in structure.
In order to achieve the purpose, the invention provides the following technical scheme:
the cooling controllable system for the polyurethane balloon forming equipment comprises a circulating cooling device, an adjustable multi-way flow divider valve, a control monitoring unit, a flow sensor, a temperature sensor, a first electric switch valve, a cooling pump, a mold with a heat load and a pipeline, wherein the flow sensor, the temperature sensor, the first electric switch valve and the cooling pump are arranged on each branch;
the circulating cooling device is used for supplying coolant for the cooling controllable system;
the control monitoring unit is used for monitoring flow and temperature signals on each branch and determining the corresponding branch adjustable multi-way shunt valve and the cooling pump to regulate the flow according to the flow and temperature monitoring signals;
the adjustable multi-way flow dividing valve is used for distributing the coolant supplied by the circulating cooling device to each branch according to the driving control signal provided by the control and monitoring unit;
the cooling pump is used for adjusting the flow of the coolant on the branch;
a cooling flow channel is arranged in the mold; the first electric switch valve is used for controlling the on-off of two sides of the cooling flow channel;
the pipeline connects the flow sensor, the temperature sensor, the first electric switch valve, the cooling pump and the mould which are arranged on each branch circuit to form the branch circuit; one end of each branch is connected with a shunt opening of the adjustable multi-way shunt valve through a pipeline, one end of each branch is connected with an input port of the circulating cooling device through a pipeline, and an input port of the adjustable multi-way shunt valve is connected with an output port of the circulating cooling device.
Furthermore, two ends of a cooling flow channel arranged in the mold are connected with the pipeline through quick connectors, and two sides of the mold are connected with first electric switch valves.
Furthermore, the mould is provided with a temperature sensor, the pipelines on the two sides of the mould are connected with the temperature sensor, and the temperature sensor is positioned on one side of the electric switch valve, which is far away from the mould.
Furthermore, the adjustable multi-way flow dividing valve is an electric adjustable multi-way flow dividing valve, and a second electric switch valve is connected between the circulating cooling device and the adjustable multi-way flow dividing valve in series.
The invention also provides a control method of the cooling controllable system, which comprises the following steps:
transmitting the flow and temperature monitoring signals of each branch to a control monitoring unit in real time;
judging whether the mold on each branch needs to be cooled;
if the mold of a certain branch does not need to be cooled, closing the first electric switch valve on the branch;
if the mold of a certain branch needs to be cooled, a first electric switch valve on the branch is opened, a cooling pump is started, and an adjustable multi-way shunt valve connected with the branch is opened;
judging whether the temperature of the mold with the heat load on the branch meets the requirement or not;
if the temperature of the mold of the branch meets the requirement, closing a first electric switch valve on the branch;
if the temperature of the mold of the branch does not meet the requirement, judging whether the flow of the coolant on the branch meets the requirement;
if the flow of the coolant on the branch does not meet the requirement, increasing the power of the cooling pump, and adjusting the opening degree of a shunt opening of an adjustable multi-way shunt valve connected with the branch;
further judging whether the temperature of the die with the heat load on the branch meets the requirement or not, and repeating the steps;
furthermore, after the first electric switch valve is closed, the cooling pump on the same branch is closed, and the branch port of the adjustable multi-way flow divider valve connected with the branch is closed.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme, the cooling controllable system adopts the adjustable multi-way flow dividing valve to distribute the coolant to each branch, and the flow of the coolant on the branches is improved by the cooling pump; meanwhile, the on-off of a cooling flow channel arranged in the mold is controlled through the first electric switch valve, so that the coolant can be provided for each device independently in a one-to-one correspondence manner; meanwhile, the coolant is distributed by using the adjustable multi-way flow dividing valve according to the cooling requirement of each die, so that a cooling management system of a plurality of molding devices is established, and the utilization rate of the coolant is greatly improved.
According to the technical scheme, one end of each cooling branch is communicated with the circulating water cooling device, and the other end of each cooling branch is communicated with the circulating water cooling device through an adjustable multi-way flow divider; each cooling branch comprises a temperature sensor, a flowmeter and a cooling pump, the flow of each cooling branch is controlled by the cooling pump, and the temperature sensors on two sides of the mold detect the temperature change of the coolant passing through the mold; the cooling flow of each branch corresponds to the target temperature required by the device to be cooled under different processing parameters, and the target temperature of the device to be cooled on each cooling branch is different, so that the cooling flow of each branch is different, a plurality of devices to be cooled are simultaneously cooled, and the cooling condition of the device to be cooled can be independently controlled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a cooling control system according to the present invention.
Fig. 2 is a flow chart illustrating a control method of the cooling controllable system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to one of fig. 1-2, the present invention provides a technical solution:
the cooling controllable system for the polyurethane balloon forming equipment comprises a circulating cooling device 1, an adjustable multi-way shunt valve 3, a control monitoring unit 8, a flow sensor 5, a temperature sensor 6, a first electric switch valve 21, a cooling pump 4, a mold 7 with a heat load and a pipeline 11, wherein each branch is provided with the flow sensor 5, the temperature sensor 6, the cooling pump 4 and the mold 7;
furthermore, two ends of a cooling flow passage arranged in the mold 7 are connected with the pipeline 11 through quick connectors, and two sides of the mold 7 are connected with first electric switch valves 21.
Further, a temperature sensor 6 is arranged on the mold 7, and the pipelines 11 on the two sides of the mold 7 are both connected with the temperature sensor 6 and are located on one side, far away from the mold 7, of the electric switch valve.
Wherein, the circulating cooling device 1 is used for supplying coolant for a cooling controllable system; the circulating cooling device 1 cools the coolant flowing back from each branch circuit, so that the coolant can be recycled;
the control monitoring unit 8 is used for monitoring flow and temperature signals on each branch, and determining the corresponding branch adjustable multi-way diverter valve 3 and the cooling pump 4 to adjust the flow according to the flow and temperature monitoring signals;
each branch is provided with a plurality of sensors such as a flow sensor 5, a temperature sensor 6 and the like, and the sensors are used for monitoring the flow and temperature change of each branch and feeding back the flow and temperature information to a control monitoring unit 8; the control monitoring unit 8 collects and processes signals of various sensors into a uniform signal, and the flow and temperature monitoring signals of the control monitoring unit 8 can include branch flow, total flow, temperature of the mold 7, temperature of coolant in a pipeline and the like, and at least include the temperature of the mold 7 and the flow on the branch;
meanwhile, flow control information corresponding to temperature information or temperature change information is determined from a control table built in the control monitoring unit 8 according to the flow and temperature data, and the cooling pump 4 and the adjustable multi-way flow dividing valve 3 are controlled; the control table comprises a nonlinear proportional relation between the temperature of each branch monitoring point and the flow on the branch, and a nonlinear proportional relation between the opening degree of each branch opening of the adjustable multi-way flow divider valve 3 and the temperature difference of the cooling liquid on two sides of the mold 7.
The adjustable multi-way flow dividing valve 3 is used for distributing the coolant supplied by the circulating cooling device 1 to each branch according to a driving control signal provided by the control and monitoring unit 8;
further, the adjustable multi-way flow dividing valve 3 is an electric adjustable multi-way flow dividing valve, and a second electric switch valve 22 is connected in series between the circulating cooling device 1 and the adjustable multi-way flow dividing valve 3; the control and monitoring unit 8 can independently control the opening degree of the shunt opening of the adjustable multi-way shunt valve 3, so that the branch connected with the shunt opening is subjected to flow control.
Wherein, the cooling pump 4 is used for adjusting the coolant flow on the branch; a first electric switch valve 21 for controlling the on/off of both sides of the cooling flow passage; cooling channels are provided in the mold 7 with the thermal load for flowing a coolant therethrough, so that the coolant exchanges energy with the thermal load, so that the mold 7 can be cooled.
The pipeline 11 connects the flow sensor 5, the temperature sensor 6, the first electric switch valve 21, the cooling pump 4 and the mold 7 which are arranged on each branch to form a branch; one end of each branch is connected to a shunt port of the adjustable multi-way shunt valve 3 through a pipeline 11, one end of each branch is connected to an input port of the circulating cooling device 1 through a pipeline 11, and an input port of the adjustable multi-way shunt valve 3 is connected to an output port of the circulating cooling device 1.
One end of each cooling branch is respectively communicated with the circulating water cooling device 1, and the other end of each cooling branch is respectively communicated with the circulating water cooling device 1 through an adjustable multi-way flow divider valve 3; each cooling branch comprises a temperature sensor 6, a flowmeter and a cooling pump 4, the cooling pump 4 controls the flow of each cooling branch, and the temperature sensors 6 on two sides of the mold detect the temperature change of the coolant passing through the mold 7; the cooling flow of each branch corresponds to the target temperature required by the device to be cooled under different processing parameters, and the target temperature of the device to be cooled on each cooling branch is different, so that the cooling flow of each branch is different, a plurality of devices to be cooled are simultaneously cooled, and the cooling condition of the device to be cooled can be independently controlled.
The invention also provides a control method of the cooling controllable system, which comprises the following steps:
transmitting the flow and temperature monitoring signals of each branch to the control monitoring unit 8 in real time;
judging whether the mold 7 on each branch needs to be cooled;
if the mold 7 of a certain branch does not need to be cooled, the first electric switch valve 21 on the branch is closed;
if the mold 7 of a certain branch needs to be cooled, the first electric switch valve 21 on the branch is opened, the cooling pump 4 is started, and the adjustable multi-way flow dividing valve 3 connected with the branch is opened;
judging whether the temperature of the mold 7 with the heat load on the branch meets the requirement or not;
if the temperature of the mold 7 of the branch meets the requirement, closing the first electric switch valve 21 on the branch;
if the temperature of the mold 7 of the branch does not meet the requirement, judging whether the flow of the coolant on the branch meets the requirement;
if the flow of the coolant on the branch does not meet the requirement, increasing the power of the cooling pump 4, and adjusting the opening degree of a shunt opening of an adjustable multi-way shunt valve 3 connected with the branch;
further judging whether the temperature of the mold 7 with the heat load on the branch meets the requirement or not, and repeating the steps;
further, after the first electric on-off valve 21 is closed, the cooling pump 4 located on the same branch is closed, and the branch port of the adjustable multi-way flow dividing valve 3 connected to the branch is closed.
The cooling controllable system judges the flow of the branch, the temperature of the coolant and the temperature of the mold through a control table arranged in the control monitoring unit 8, so as to control the start and the close of the cooling pump 4, and the opening degree of the shunt opening of the adjustable multi-way shunt valve 3 connected with the branch can further control the flow of the coolant on the branch.
The cooling controllable system adopts an adjustable multi-way flow dividing valve 3 to distribute the coolant to each branch, and the flow of the coolant on the branches is improved by a cooling pump 4; meanwhile, the cooling flow channel built in the mold 7 is controlled to be switched on and off by the first electric switch valve 21, so that the coolant can be separately provided for each device in a one-to-one correspondence manner; meanwhile, the coolant is distributed by the adjustable multi-way flow dividing valve 3 according to the cooling requirement of each mould 7, so that a cooling management system of a plurality of molding devices is established, and the utilization rate of the coolant is greatly improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A controllable system of cooling for polyurethane sacculus former which characterized in that: the device comprises a circulating cooling device (1), an adjustable multi-way shunt valve (3), a control monitoring unit (8), a flow sensor (5), a temperature sensor (6), a first electric switch valve (21), a cooling pump (4), a mold (7) with a heat load and a pipeline (11), wherein each branch is provided with the flow sensor, the temperature sensor (6), the first electric switch valve (21), the mold (7);
the circulating cooling device (1) is used for supplying coolant for a cooling controllable system;
the control monitoring unit (8) is used for monitoring flow and temperature signals on each branch and determining the corresponding branch adjustable multi-way diverter valve (3) and the cooling pump (4) to regulate the flow according to the flow and temperature monitoring signals;
the adjustable multi-way flow dividing valve (3) is used for distributing the coolant supplied by the circulating cooling device (1) to each branch according to a driving control signal provided by the control and monitoring unit (8);
the cooling pump (4) is used for adjusting the flow of the coolant on the branch;
a cooling flow channel is arranged in the mould (7); the first electric switch valve (21) is used for controlling the on-off of two sides of the cooling flow channel;
the pipeline (11) is used for connecting the flow sensor (5), the temperature sensor (6), the first electric switch valve (21), the cooling pump (4) and the mold (7) which are arranged on each branch to form the branch; one end of each branch is respectively connected to a shunt opening of the adjustable multi-way shunt valve (3) through a pipeline (11), one end of each branch is connected with an input opening of the circulating cooling device (1) through the pipeline (11), and an input opening of the adjustable multi-way shunt valve (3) is connected with an output opening of the circulating cooling device (1).
2. The controllable cooling system for a polyurethane balloon molding apparatus as claimed in claim 1, wherein: the two ends of a cooling flow channel arranged in the die (7) are connected with the pipeline (11) through quick connectors, and the two sides of the die (7) are connected with first electric switch valves (21).
3. The cooling control system for a polyurethane balloon molding apparatus as claimed in claim 2, wherein: the temperature sensor (6) is arranged on the die (7), the temperature sensors (6) are connected to the pipelines (11) on the two sides of the die (7), and the temperature sensors are located on one side, away from the die (7), of the electric switch valve.
4. The cooling control system for a polyurethane balloon molding apparatus as claimed in claim 1, wherein: the adjustable multi-way flow divider valve (3) is an electric adjustable multi-way flow divider valve, and a second electric switch valve (22) is connected in series between the circulating cooling device (1) and the adjustable multi-way flow divider valve (3).
5. A method of controlling a controllable cooling system, comprising the steps of:
transmitting the flow and temperature monitoring signals of each branch to a control monitoring unit (8) in real time;
judging whether the mould (7) on each branch needs to be cooled;
if the mold (7) of a certain branch does not need to be cooled, closing the first electric switch valve (21) on the branch;
if the mold (7) of a certain branch needs to be cooled, a first electric switch valve (21) on the branch is opened, a cooling pump (4) is started, and an adjustable multi-way flow dividing valve (3) connected with the branch is opened;
judging whether the temperature of the mould (7) with the heat load on the branch meets the requirement or not;
if the temperature of the mold (7) of the branch meets the requirement, closing a first electric switch valve (21) on the branch;
if the temperature of the mold (7) of the branch does not meet the requirement, judging whether the flow of the coolant on the branch meets the requirement or not;
if the flow of the coolant on the branch does not meet the requirement, increasing the power of the cooling pump (4), and adjusting the opening degree of a shunt opening of an adjustable multi-way shunt valve (3) connected with the branch;
and further judging whether the temperature of the mould (7) with the heat load on the branch meets the requirement or not, and repeating the steps.
6. The control method of the cooling controllable system according to claim 5, characterized in that: after the first electric switch valve (21) is closed, the cooling pump (4) on the same branch is closed, and the shunt opening of the adjustable multi-way shunt valve (3) connected with the branch is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179499.1A CN114536618A (en) | 2022-02-25 | 2022-02-25 | Cooling controllable system for polyurethane balloon forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210179499.1A CN114536618A (en) | 2022-02-25 | 2022-02-25 | Cooling controllable system for polyurethane balloon forming equipment |
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| Publication Number | Publication Date |
|---|---|
| CN114536618A true CN114536618A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210179499.1A Pending CN114536618A (en) | 2022-02-25 | 2022-02-25 | Cooling controllable system for polyurethane balloon forming equipment |
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| CN (1) | CN114536618A (en) |
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