A constant temperature control device and a method for controlling the constant temperature of cooling water in a blow molding workshop

Abstract

The present invention discloses a constant temperature control device and a constant temperature control method for cooling water in a blow molding workshop, which relates to the field of fluid temperature control system technology, and includes a main shell, the main shell is located at the water inlet end and is provided with a temperature control cavity for heating and cooling the fluid, the main shell is located at the top of the temperature control cavity and is provided with a main channel horizontally; the main shell is located in the middle of the main channel and is provided with a diversion port downwardly, the main shell is provided with an interception block at the bottom of the diversion port, the upper and lower ends of the interception block are respectively provided with a water inlet and a water outlet for receiving the fluid, the port on the side adjacent to the water inlet and the water outlet is docked with a diversion shell, and a spiral water tank for gas-liquid separation is provided in the diversion shell; the main shell is located at the bottom of the water outlet and is provided with a secondary channel, and an opening and closing valve is provided at the end of the secondary channel away from the water outlet. The present invention automatically adjusts the fluid according to the pipeline temperature, and controls the fluid flow to form a constant temperature during the adjustment, and separates the gas generated by the high temperature from the fluid.

Description

Technical Field

[0001] The invention relates to the field of fluid temperature control system technology, and in particular to a constant temperature control device and a constant temperature control method for cooling water in a blow molding workshop. Background Art

[0002] The pipeline thermostatic control device has gradually emerged with the development of industrial automation and temperature control technology. Due to production safety requirements, some industrial production plants need to keep the temperature in the plant at all times to avoid the impact of high or low temperatures on operators and products. As modern industry has higher and higher requirements for temperature control accuracy, traditional temperature control methods can no longer meet production needs.

[0003] Existing temperature control devices usually use real-time screen feedback to let personnel know the specific temperature value, so that they can adjust the temperature control machine to change the temperature in the field. However, the series of operations operated by data feedback personnel to adjust the temperature have a certain delay, resulting in untimely adjustment of the temperature in the field, thus affecting on-site operations. At the same time, when the pipeline fluid is heated, the high-temperature fluid is prone to generate gas, thereby forming bubbles in the pipeline, causing fluid flow to stagnate and affecting the temperature heating operation. Summary of the invention

[0004] In order to improve the time delay of the conventional temperature control device which needs to be adjusted by personnel, and the problem that the high-temperature fluid is prone to generate bubbles that affect the heating, the present invention provides a constant temperature control device and a constant temperature control method for cooling water in a blow molding workshop.

[0005] The invention provides a constant temperature control device and a constant temperature control method for cooling water in a blow molding workshop, which adopts the following technical solutions:

[0006] A constant temperature control device, comprising a main shell, a water inlet for introducing fluid is provided at one end of the bottom of the main shell, a temperature control cavity for heating and cooling the fluid is provided inwardly from the water inlet end of the main shell, a main channel is provided laterally at the top of the temperature control cavity of the main shell, and a water outlet is provided at one end of the main channel away from the temperature control cavity and connected to the outside;

[0007] The main shell is located in the middle of the main channel and is provided with a diversion port downwardly, and an interception block is provided at the bottom of the diversion port. The upper and lower ends of the interception block are respectively provided with a water inlet and a water outlet for receiving the fluid, and a diversion shell is provided at the port adjacent to the water inlet and the water outlet, and a spiral water tank for gas-liquid separation is provided in the diversion shell. A through port is provided at the top of the diversion shell, and a force-bearing block is provided on one side of the interception block, and an air guide port aligned with the center of the diversion shell is provided in the force-bearing block;

[0008] The main housing is provided with a secondary channel at the bottom of the water outlet. An on-off valve is arranged at the end of the secondary channel far away from the water outlet. Notches communicating with each other are opened at both ends of the on-off valve. A communicating inner cavity is arranged inside the on-off valve. An extension shell sleeve is telescopically arranged in the communicating inner cavity. An isolation sleeve is hermetically connected inside the extension shell sleeve. A wax cavity for storing wax liquid is arranged between the inside of the extension shell sleeve and the isolation sleeve. A heating core fixedly connected to the inner wall of the communicating inner cavity is inserted inside the isolation sleeve. An abutting plate for sealing the main channel is arranged at one end of the extension shell sleeve far away from the heating core.

[0009] By adopting the above technical solution, when the fluid is at a high temperature, the main channel is closed, and the fluid flows into the installation cavity through the secondary channel and contacts the heating core to transfer heat energy, so that the extension shell sleeve unfolds, thereby controlling the refrigeration mechanism to cool the fluid. When the fluid is at a low temperature, the secondary channel is closed, and the fluid flows into the installation cavity through the main channel. Part of the fluid flows into the secondary channel to cool the heating core, so that the extension shell sleeve retracts, and the heating mechanism is controlled to heat the fluid. Thus, it is automatically adjusted according to the fluid temperature to maintain a constant temperature state. At the same time, the high-temperature fluid flows along the spiral water groove, so that the generated gas inside is separated. The opening of the air guide port provides a discharge space for the separated gas, and the gas rises and enters the air guide port to be discharged.

[0010] Preferably, an installation cavity is communicated and opened at one end of the main housing where the main channel is located. The inner wall of the installation cavity is fixedly connected to the on-off valve, and a fixing ring fixedly connected to the inner wall of the installation cavity is fixedly arranged on the outer surface of the on-off valve. The end of the installation cavity far away from the main channel is communicated with the secondary channel. The main housing is provided with a water outlet end penetrating through the middle position of the installation cavity and communicating with the outside.

[0011] By adopting the above technical solution, the fixing ring fixedly arranged around the surface of the on-off valve is clamped with the inner wall of the installation cavity, so as to form the overall fixation of the on-off valve, and thus the on-off valve sets the communication between the secondary channel and the installation cavity.

[0012] Preferably, a pressure increasing plate is arranged around one side of the extension shell sleeve in the communicating inner cavity. A torsion spring is fixedly arranged on one side of the pressure increasing plate close to the abutting plate. One end of the torsion spring far away from the abutting plate is fixedly connected to the inner wall of the communicating inner cavity.

[0013] By adopting the above technical solution, the torsion spring stretches to form an elastic force, thereby applying a thrust to the pressure increasing plate, so that the pressure increasing plate drives the extension shell sleeve to move horizontally and retract.

[0014] Preferably, a limiting plate is fixedly arranged at the end of one side of the extension shell sleeve close to the abutting plate. A plurality of water leakage holes are opened on the surface of the limiting plate. A limiting groove is opened in the middle of the abutting plate, and the groove of the limiting groove is movably sleeved with the limiting plate.

[0015] By adopting the above technical scheme, the limit groove opened in the middle of the abutment plate provides a movable space for the movement of the limit plate. At the same time, the limit plate is integrally clamped in the limit groove, and is limited by the two ends of the inner wall of the limit groove to prevent it from slipping out. When the limit plate abuts against the two ends of the inner wall of the limit groove, the water leakage port on the surface of the limit plate discharges a small amount of fluid, which plays a role in mixing temperature, controlling flow and draining water.

[0016] Preferably, the main shell is provided with a diverter cavity at the bottom of the installation cavity, the middle part of the inner wall of the diverter cavity is plugged into the force-bearing block, an air guide channel connected to the air guide port is provided inside the force-bearing block, the inner wall of the diverter cavity is located on one side of the force-bearing block and is fixedly connected to the interception block, and the inner wall of the diverter cavity is located on the other side of the force-bearing block and is detachably provided with a degassing tank connected to the air guide channel.

[0017] By adopting the above technical solution, the opening of the diversion cavity reserves space for the movement of the force-bearing block. At the same time, the air guide port opened inside the force-bearing block is connected to the air guide channel, thereby providing a discharge path for the transmission of the diverted gas, so that the gas is discharged from the air guide channel into the degassing tank.

[0018] Preferably, a synchronization groove is protruding from the top of the force-bearing block, and the synchronization groove is located in the installation cavity and fixed to the abutment plate. The force-bearing block is located on both sides of the synchronization groove and is fixed with sealing sleeves that are sealed to the inner wall of the installation cavity.

[0019] By adopting the above technical solution, the synchronization groove is clamped with the abutment plate. When the clamping plate moves laterally, the synchronization groove drives the force-bearing block to move along the diversion cavity as a whole, thereby providing moving power for the connection between the air guide port and the top opening of the diversion shell, and during the movement of the force-bearing block, the sealing sleeve covers both sides of the force-bearing block to prevent liquid leakage.

[0020] Preferably, a pressure sensor 1 is fixedly provided on the inner wall of the installation cavity on the right side of the abutting plate, and a pressure sensor 2 is fixedly provided on the other side of the inner wall of the installation cavity away from the pressure sensor 1.

[0021] By adopting the above technical solution, pressure sensor 1 and pressure sensor 2 are respectively arranged on both sides of the inner wall of the installation cavity. When the abutment plate moves laterally, it contacts pressure sensor 1 and pressure sensor 2 to transmit instructions, which is convenient for controlling subsequent heating, cooling and other structures.

[0022] Preferably, a heating mechanism and a cooling mechanism are respectively fixedly arranged on the outer surface of the main shell at the upper and lower ends of the temperature control cavity, the output ends of the heating mechanism and the cooling mechanism both pass through the main shell and are located in the temperature control cavity, and a tortuous protrusion is protruded from the inner wall of the temperature control cavity at the output ends of the heating mechanism and the cooling mechanism.

[0023] By adopting the above technical solution, the heating mechanism and the refrigerating mechanism respectively heat and refrigerate the fluid in the temperature control cavity. At the same time, the zigzag bumps make the structure in the temperature control cavity bent, thereby increasing the flow path of the fluid and improving the contact effect between the fluid and the heating mechanism and the refrigerating mechanism.

[0024] Preferably, the inner wall of the shunt cavity on one side of the degassing tank penetrates through the main housing and communicates with the outside, and an interactive door that can be opened and closed is rotatably arranged at the communication port.

[0025] By adopting the above technical solution, the shunt cavity communicates with the outside, and an interactive door that can be movably opened and closed is arranged at the communication port, thereby facilitating personnel to maintain and disassemble the degassing tank.

[0026] A method for manufacturing a cosmetic bottle by a blow molding device, comprising the following steps:

[0027] S01. The normal-temperature fluid flows into the interior of the main housing from the water inlet end, and then the fluid enters the temperature control cavity. At this time, the abutting plate is located at the middle position of the installation cavity. Part of the fluid flows into the installation cavity from the main channel and is discharged from the water outlet end. The remaining fluid is shunted by the shunt port when entering the main channel and flows into the water inlet, and then flows into the shunt housing from the water inlet, and then flows into the water outlet from the shunt housing, thereby being introduced into the secondary channel, and finally flowing into the installation cavity from the secondary channel and being introduced into the water outlet end and then discharged.

[0028] S02. When the fluid temperature is too high, the high-temperature fluid flowing into the secondary channel contacts the heating core and conducts heat energy, making the wax liquid become fluid and expand the space in the wax cavity, and then making the stretching shell sleeve stretch laterally, pushing the abutting plate to press into the end face of the installation cavity close to the main channel to form a seal. At the same time, the abutting plate is engaged with the synchronous groove to drive the force-receiving block to move synchronously, so that the air guide port communicates with the top port of the shunt housing;

[0029] At the same time, the pressing of the abutting plate generates pressure on the pressing end of the pressure sensor 1, so that the pressure sensor 1 controls the refrigerating mechanism to cool the high-temperature fluid. At this time, the main channel is in a closed state, and all the high-temperature fluid flows into the water inlet from the shunt port, and then is introduced into the shunt housing and shunted along the spiral water groove. The high-temperature fluid flows along the spiral water groove to separate the hot air, and the separated hot air is discharged into the air guide hole channel through the air guide port, and then enters the degassing tank for storage;

[0030] The high-temperature fluid shunted by the spiral water groove is discharged into the secondary channel from the water outlet, and then flows into the installation cavity from the notch of the on-off valve and is discharged to the water outlet end. And the cooled fluid continuously reduces the high temperature applied to the heating core, so that the wax liquid gradually turns into a solid state, and cooperates with the torsion spring to stretch and drive the stretching shell sleeve to retract, so that the main channel is adjusted to a connected state, and the pressing on the pressure sensor 1 is cancelled.

[0031] S03. When the fluid temperature is too low, the low-temperature fluid flowing into the secondary channel contacts the heating core and conducts low temperature, causing the wax liquid to transform into a solid state, thereby leaving a shrinking space in the wax cavity. Then, the torsion spring extends and drives the expansion shell sleeve to retract, causing the abutting plate to press into the end face on the side of the installation cavity close to the secondary channel to form a seal and reduce the fluid flow rate. At the same time, as the low-temperature fluid flows out from the notch of the on-off valve, it is introduced into the water leakage port on the surface of the limit plate, and then discharged into the installation cavity and into the water outlet end;

[0032] At the same time, the abutting plate abuts against the end face of the installation cavity, thereby generating pressure on the two pressing ends of the pressure sensor two, causing the pressure sensor two to control the heating mechanism to heat the low-temperature fluid. Part of the heated fluid flows from the main channel into the installation cavity, mixes with the low-temperature fluid, and is discharged to the water outlet end. The remaining fluid flows into the secondary channel from the diversion port and contacts the heating core, thereby transferring heat energy to heat the wax liquid into a liquid state, thereby adjusting the secondary channel to a connected state and canceling the pressure applied to the pressure sensor two.

[0033] In summary, the present invention includes at least one of the following beneficial technical effects:

[0034] 1. Utilize the heating core to receive and conduct the fluid temperature, control the expansion and retraction of the expansion shell sleeve according to different high-temperature and low-temperature fluids, thereby driving the lateral movement of the abutting plate to open and close the main channel and the secondary channel. And during the movement of the abutting plate, it contacts the pressing ends of the pressure sensor one and the pressure sensor two respectively, thereby heating and cooling the temperature of the fluid, so that the fluid always maintains a stable temperature, effectively avoiding the delay of personnel operation and adjustment;

[0035] 2. With the high-temperature fluid flowing into the diversion shell body and contacting the spiral water channel, during the rotation and flow of the high-temperature fluid, the hot gas generated by the fluid due to high temperature dissipates and rises, thereby entering the air guide hole channel from the air guide port, and then discharged into the degassing tank for storage. The separated fluid is discharged from the water outlet to the secondary channel, avoiding the problem that bubbles generated by the high temperature of the fluid in the pipeline cause blockage, thus affecting the heating operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 is a three-dimensional schematic diagram of the present invention;

[0037] Figure 2 is a side cross-sectional view of the present invention;

[0038] Figure 3 is an internal cross-sectional view of the on-off valve of the present invention;

[0039] Figure 4 is an exploded view of the connection of the force-bearing block of the present invention;

[0040] Figure 5 is an installation diagram of the on-off valve and the force-bearing block of the present invention;

[0041] Figure 6 This is the circuit diagram of the control module of the present invention;

[0042] Figure 7 This is the side sectional view of the main housing of the present invention;

[0043] Figure 8 This is the high-temperature fluid circuit diagram of the present invention;

[0044] Figure 9 This is the low-temperature fluid circuit diagram of the present invention.

[0045] Reference numerals: 1, main housing; 2, water inlet end; 3, temperature control chamber; 4, heating mechanism; 5, refrigeration mechanism; 6, main channel; 7, diversion port; 8, sub-channel; 9, on-off valve;

[0046] 10, water outlet end; 11, communicating inner cavity; 12, fixing ring; 13, heating core; 14, isolation sleeve; 15, extension shell sleeve; 16, pressure increasing plate; 17, torsion spring; 18, wax cavity; 19, limiting plate;

[0047] 20, abutting plate; 21, limiting groove; 22, stress block; 23, synchronous groove; 24, sealing sleeve; 25, air guide channel; 26, air guide port; 27, intercepting block; 28, water inlet; 29, water outlet;

[0048] 30, diversion housing; 31, spiral water tank; 32, degassing tank; 33, zigzag convex block; 34, pressure sensor I; 35, pressure sensor II; 36, installation cavity; 37, interaction door; 38, diversion cavity. Detailed implementation manners

[0049] The following further describes the present invention in detail with reference to the attached drawings. Figures 1 - 9 The present invention is further described in detail below.

[0050] An embodiment of the present invention discloses a constant temperature control device and a method for controlling the constant temperature of cooling water in a blow molding workshop.

[0051] Embodiment 1, referring to Figure 1 , Figure 2 , Figure 5 , a constant temperature control device includes a main housing 1. One side of the lower end surface of the main housing 1 is inwardly provided with a water inlet end 2. The inner surface of the water inlet end 2 is threadedly connected with a water inlet pipe for introducing external fluid. Inside the main housing 1, a temperature control chamber 3 extends inwardly at the bottom of the water inlet end 2. The inner wall of the temperature control chamber 3 is fixedly provided with a zigzag convex block 33. The zigzag convex block 33 is integrally in a tooth-shaped concave-convex shape, and a heating mechanism 4 and a refrigeration mechanism 5 are respectively fixedly provided between the tooth surfaces of the zigzag convex block 33. The output pipes of the heating mechanism 4 and the refrigeration mechanism 5 are located in the temperature control chamber 3. The socket ends of the heating mechanism 4 and the refrigeration mechanism 5 penetrate and are fixed on the outer surface of the main housing 1 and are connected to the control system through wires.

[0052] The main housing 1 is located at the end of the temperature control chamber 3 and has a main channel 6 opened horizontally. The end of the main channel 6 extends horizontally and has an installation cavity 36 opened. The installation cavity 36 is generally cylindrical, and the diameter of the cylinder of the installation cavity 36 is larger than the diameter of the main channel 6. At the position of the top of the inner wall of the installation cavity 36, a water outlet 10 is opened through the outer surface of the main housing 1. A water outlet pipe is threadedly connected to the inner surface of the water outlet 10 for discharging the internal fluid.

[0053] It should be noted that a groove is opened at one end of the side surface of the inner wall of the installation cavity 36 close to the main channel 6, and a first pressure sensor 34 is fixedly installed in the groove. At the same time, a groove is also opened on the other side of the inner wall of the installation cavity 36 relative to the first pressure sensor 34, and a second pressure sensor 35 is fixedly installed in the groove. The pressure interaction between the first pressure sensor 34 and the second pressure sensor 35 is located inside the installation cavity 36.

[0054] Refer to Figure 4 、 Figure 5 、 Figure 7 As shown in, a diversion port 7 is opened downward at the middle position of the main housing 1 in the main channel 6. At the bottom of the diversion port 7, an annular secondary channel 8 is opened inside the main housing 1. The other end of the secondary channel 8 relative to the diversion port 7 is communicated with the installation cavity 36. And at the communicating position of the secondary channel 8 and the diversion port 7, a diversion cavity 38 is opened through the side wall. An intercepting block 27 is fixedly installed in the diversion cavity 38. The front end of the intercepting block 27 is inserted into the inner wall of the secondary channel 8 in an arc shape, and an adhesive layer is arranged around the arc-shaped outer surface of the intercepting block 27, and the adhesive layer is hermetically bonded to the inner wall of the secondary channel 8. An inlet 28 is opened at the center position of the upper end surface of the intercepting block 27 in the pipeline of the secondary channel 8. The bottom of the inlet 28 is integrally L-shaped and horizontally penetrates through the intercepting block 27. And at the penetration point of the intercepting block 27, a diversion housing 30 is fixedly installed. A cavity is opened inside the diversion housing 30, and the cavity of the diversion housing 30 is butt-connected and communicated with the through port of the inlet 28;

[0055] At the same time, an L-shaped horizontally penetrating water outlet 29 is also opened at the position of the lower end surface of the intercepting block 27 relative to the inlet 28. The water outlet 29 is overall opposite to the inlet 28 and is also butt-connected and communicated with the cavity of the diversion housing 30. Inside the diversion cavity 38, on the other side of the diversion housing 30, it penetrates upward through the main housing 1 and is communicated with the installation cavity 36. A force-receiving block 22 is movably arranged on the other side of the diversion housing 30 inside the diversion cavity 38. The force-receiving block 22 is generally rectangular, and a synchronous groove 23 is fixedly installed on the upper end surface of the force-receiving block 22. The synchronous groove 23 is located at the communication port of the diversion cavity 38 and the installation cavity 36. And sealing sleeves 24 are hermetically glued to both side surfaces of the synchronous groove 23. The sealing sleeves 24 are also hermetically connected to both ends of the side wall of the communication port. A gas guide port 26 protrudes from the side of the force-receiving block 22 close to the diversion housing 30. The gas guide port 26 is horizontally aligned with the top through port of the diversion housing 30. A gas guide channel 25 is opened at the end of the gas guide port 26 through the force-receiving block 22 for discharging gas.

[0056] It should be noted that one side of the diversion cavity 38 away from the force-bearing block 22 extends in an L shape, and the extending end penetrates through the outer surface of the main housing 1 to communicate with the outside. An openable and closable interaction door 37 is rotatably connected at the communication port. At the same time, a degassing tank 32 for extracting and storing gas is placed at the extending end of the diversion cavity 38. An inclined downward spiral water tank 31 is fixedly arranged around the inner surface of the diversion housing 30 for separating the gas in the high-temperature fluid.

[0057] Refer to Figure 3 、 Figure 4 、 Figure 5 , an opening and closing valve 9 is fixedly arranged in the installation cavity 36. A fixing ring 12 is fixedly arranged around the outer surface of the opening and closing valve 9. At the same time, a matching ring groove is opened at the position of the fixing ring 12 in the installation cavity 36, so that the whole fixing ring 12 is inserted into the ring groove to form the overall fixation of the opening and closing valve 9. A communicating inner cavity 11 is opened inside the opening and closing valve 9, and the communicating inner cavity 11 penetrates through both sides of the outer surface of the opening and closing valve 9 to communicate with the outside respectively. A T-shaped extension shell sleeve 15 is movably arranged in the communicating inner cavity 11, and one end of the extension shell sleeve 15 movably penetrates through the opening and closing valve 9 and protrudes outside;

[0058] A cavity is arranged inside the extension shell sleeve 15, and an isolation sleeve 14 is hermetically connected at the opening of the cavity. A heating core 13 is movably inserted inside the isolation sleeve 14. One end of the heating core 13 away from the extension shell sleeve 15 is fixedly connected to the inner wall of the opening and closing valve 9. At the same time, a wax cavity 18 is reserved between the isolation sleeve 14 and the extension shell sleeve 15, and the wax cavity 18 is filled with wax liquid. Under normal conditions, the wax liquid is in a semi-solid and semi-liquid state. A T-shaped pressurizing plate 16 is sleeved around the T-shaped side surface of the extension shell sleeve 15, and the pressurizing plate 16 is movably connected to the extension shell sleeve 15. A torsion spring 17 is fixedly connected to one side surface of the pressurizing plate 16 away from the extension shell sleeve 15, and the other end of the torsion spring 17 is fixedly connected to the inner wall of the opening and closing valve 9.

[0059] It should be noted that one end of the outer surface of the opening and closing valve 9 close to the fixing ring 12 is located at the penetration point of the secondary channel 8. A limiting plate 19 is fixedly arranged at the end of the protruding end of the extension shell sleeve 15. A plurality of water leakage holes are formed around the surface of the limiting plate 19. An abutting plate 20 is clamped on the outer surface of the limiting plate 19. A limiting groove 21 is opened in the middle of the inner surface of the abutting plate 20. The groove of the limiting groove 21 is annular and is movably clamped with the outer surface of the limiting plate 19. At the same time, rubber layers are bonded to both ends of the side surface of the abutting plate 20 to improve the sealing performance. At the same time, the bottom of the outer surface of the abutting plate 20 is clamped and fixed with the groove of the synchronous groove 23.

[0060] Among them, the device also includes a heating mechanism 4, a refrigeration mechanism 5, a heating core 13, a degassing tank 32, a first pressure sensor 34, and a second pressure sensor 35, all of which are prior arts, and their structural principles will not be elaborated here. Outside this application, there are also control programs, microcomputers, power supplies, wires and other structures, which can be connected and combined according to the needs of the operation of this application. Therefore, this application will not be described in detail, and the working principle shall prevail. Furthermore, the signals transmitted by the first pressure sensor 34 and the second pressure sensor 35 are received and processed by the microcomputer through wires, and then command actions are realized to achieve the heating and cooling of the water body.

[0061] Embodiment 2. Refer to Figures 1 to 9 , a constant temperature control method for cooling water in a blow molding workshop, comprising the following steps:

[0062] S01. Under normal temperature conditions, the fluid flows into the temperature control chamber 3 from the water inlet end 2. When the fluid flows from the temperature control chamber 3 into the main channel 6, it is separated by the diversion port 7. Part of the fluid flows into the installation cavity 36 from the main channel 6 and finally enters the water outlet end 10 and is discharged. The remaining fluid flows into the installation cavity 36, is input from the water inlet 28, and is discharged into the auxiliary channel 8 from the water outlet end 10, and finally flows into the installation cavity 36 and is mixed with the fluid in the main channel 6 and discharged.

[0063] S02. When the fluid temperature is too high, the high-temperature fluid contacts the heating core 13, thereby transferring heat to the wax liquid in the wax cavity 18. The wax liquid is heated and transformed into a liquid state. As the wax liquid is transformed, a thrust is generated by the collision within the extension shell 15, so that the extension shell 15 moves and pushes the abutting plate 20 to press into the direction of the main channel 6, thereby isolating the main channel 6 from the installation cavity 36. And the pressing of the abutting plate 20 controls the first pressure sensor 34 to send a signal, so that the refrigeration mechanism 5 cools the fluid. When the fluid is cooled, the wax liquid gradually solidifies, so that the main channel 6 and the installation cavity 36 are adjusted to the open state;

[0064] At the same time, when the high-temperature fluid flows in and the main channel 6 is in a closed state, all the high-temperature fluid flows into the water inlet 28 from the diversion port 7, and then is introduced into the diversion housing 30 and is diverted along the spiral water channel 31. The high-temperature fluid flows along the spiral water channel 31 to separate the hot air, and the separated hot air is discharged into the air guide hole channel 25 through the air guide port 26, and then enters the degassing tank 32 for storage;

[0065] S03. When the fluid temperature is too low, the low-temperature fluid contacts the heating core 13 to conduct low temperature, converting the wax liquid into a solid state. Then, the torsion spring 17 extends to drive the extension shell sleeve 15 to retract, pressing the abutting plate 20 into the installation cavity 36 to form a closed state of the secondary channel 8. At the same time, the secondary channel 8 forms a small-flow circulation through the water leakage holes on the surface of the limiting plate 19, and the low-temperature fluid is discharged into the installation cavity 36 along the water leakage holes of the limiting plate 19 and finally enters the water outlet end 10 to mix with the low-temperature fluid in the main channel 6;

[0066] At the same time, the abutting plate 20 abuts against the end face of the installation cavity 36 to control the pressure sensor two 35, so that the heating mechanism 4 heats the low-temperature fluid. Part of the heated fluid flows from the main channel 6 into the installation cavity 36 to mix with the low-temperature fluid and is discharged to the water outlet end 10, and the rest of the fluid flows into the secondary channel 8 to contact the heating core 13, thereby transferring heat energy to heat the wax liquid into a liquid state, restoring the secondary channel 8 and the installation cavity 36 to a connected state, and canceling the pressure applied to the pressure sensor two 35.

[0067] The implementation principle of Embodiment 2 is as follows: Under normal conditions, the abutting plate 20 is located in the installation cavity 36 in a centered state. The fluid is transported from the external pipeline to the water inlet end 2 and then flows from the water inlet end 2 into the temperature control cavity 3. When the fluid initially flows into the main channel 6, it is separated by the diversion port 7. Part of the fluid is directly transported from the main channel 6 to the installation cavity 36, then flows from the installation cavity 36 into the water outlet end 10 and is discharged. The rest of the fluid flows into the installation cavity 36, is input into the diversion housing 30 from the water inlet 28, and is discharged from the water outlet end 10 into the secondary channel 8. Finally, it flows from the secondary channel 8 into the installation cavity 36 to mix with the fluid in the main channel 6 and is discharged together from the water outlet end 10.

[0068] When the fluid temperature is too high, the fluid flowing normally into the secondary channel 8 contacts the heating core 13, and the heating core 13 transfers the heat in the fluid to convert the wax liquid in the wax cavity 18 into a liquid state. As the wax liquid is converted, a thrust is generated on the extension shell sleeve 15, and the extension shell sleeve 15 moves to push the abutting plate 20 into the main channel 6 direction, so that the main channel 6 and the installation cavity 36 are in a closed state. And the pressing of the abutting plate 20 generates pressure on the pressing end of the pressure sensor one 34, sending a signal to control the refrigeration mechanism 5 to reduce the temperature of the fluid in the temperature control cavity 3. When the fluid temperature decreases, the heat conducted by the heating core 13 decreases, and the wax liquid gradually solidifies. At this time, the torsion spring 17 rebounds, driving the extension shell sleeve 15 to retract into the on-off valve 9, so that the main channel 6 and the installation cavity 36 are adjusted to an open state. When the fluid temperature reaches a constant temperature state, the abutting plate 20 returns to the centered state in the installation cavity 36.

[0069] Meanwhile, when the high-temperature fluid flows into the shunt housing 30, the fluid rotates downward along the spiral water groove 31 and flows in. During the flow of the fluid, since heat is in an upward state, it is separated from the fluid. And the separated fluid is transported to the air guide hole 25 through the air guide port 26 and finally discharged into the degassing tank 32 for storage. Personnel can rotate the interactive door 37 to replace and maintain the degassing tank 32. The separated fluid is discharged into the secondary channel 8 through the water outlet 29.

[0070] When the fluid temperature is too low, the fluid flowing into the secondary channel 8 comes into contact with the heating core 13, thereby conducting heat and converting the wax liquid in the wax cavity 18 into a solid state. As the wax liquid turns into a solid state, the pressure applied to the torsion spring 17 is cancelled, and the torsion spring 17 rebounds to boost the pressure plate 16, causing the pressure plate 16 to push the extension shell sleeve 15 into the interior of the opening and closing valve 9 housing, thereby driving the abutting plate 20 to abut against one side of the inner wall of the installation cavity 36, making the secondary channel 8 and the installation cavity 36 in a closed state. At this time, most of the low-temperature fluid flows into the installation cavity 36 from the main channel 6 and is finally discharged from the water outlet end 10.

[0071] At the same time, with the abutting of the abutting plate 20 against the inner wall of the installation cavity 36, pressure is applied to the pressure end of the second pressure sensor 35, controlling the second pressure sensor 35 to transmit a signal, causing the heating mechanism 4 to heat up the fluid in the temperature control cavity 3. At this time, due to the multiple water leakage holes opened on the surface of the limiting plate 19, a small part of the fluid in the secondary channel 8 still flows into the installation cavity 36, so that a small part of the fluid in the temperature control cavity 3 keeps flowing into the secondary channel 8. As the fluid with increasing temperature flows into the secondary channel 8 and comes into contact with the heating core 13, heat is conducted, causing the extension shell sleeve 15 to extend again, making the abutting plate 20 return to the centered state inside the installation cavity 36, and the fluid temperature returns to the constant temperature state again.

[0072] The above are only optional embodiments of the present disclosure and are not used to limit the present disclosure. For those skilled in the art, various changes and modifications can be made to the present disclosure. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present disclosure shall be included within the protection scope of the present disclosure.

Claims

1. A constant temperature control method for cooling water in a blow molding workshop, characterized in that: It includes the following steps: S01. The normal-temperature fluid flows into the interior of the main housing (1) from the water inlet end (2), and then the fluid enters the temperature control chamber (3). At this time, the abutting plate (20) is located at the middle position of the installation cavity (36). Part of the fluid flows into the installation cavity (36) from the main channel (6) and is discharged from the water outlet end (10). The remaining fluid is shunted by the shunt port (7) when entering the main channel (6) and flows into the water inlet (28), then flows into the shunt housing (30) from the water inlet (28), and then flows into the water outlet (29) from the shunt housing (30), so as to be introduced into the secondary channel (8), and finally flows into the installation cavity (36) from the secondary channel (8) and is introduced into the water outlet end (10) and then discharged; S02. When the fluid temperature is too high, the high-temperature fluid flowing into the secondary channel (8) contacts the heating core (13) to conduct heat energy, so that the wax liquid becomes a fluid and expands the space in the wax cavity (18). Then the stretching shell sleeve (15) stretches laterally, pushing the abutting plate (20) to press into the end face of the installation cavity (36) close to the main channel (6) to form a seal. At the same time, the abutting plate (20) is clamped with the synchronous groove (23) to drive the force receiving block (22) to move synchronously, so that the air guide port (26) is communicated with the top port of the shunt housing (30); At the same time, the pressing of the abutting plate (20) generates pressure on the pressing end of the first pressure sensor (34), so that the first pressure sensor (34) controls the refrigeration mechanism (5) to cool the high-temperature fluid. At this time, the main channel (6) is in a closed state, and all the high-temperature fluid flows into the water inlet (28) from the shunt port (7), and then is introduced into the shunt housing (30) and shunted along the spiral water groove (31). The high-temperature fluid flows along the spiral water groove (31) to separate the hot air, and the separated hot air is discharged into the air guide hole channel (25) from the air guide port (26), and then enters the degassing tank (32) for storage; The high-temperature fluid shunted by the spiral water groove (31) is discharged into the secondary channel (8) from the water outlet (29), and then flows into the installation cavity (36) from the notch of the on-off valve (9) and is discharged to the water outlet end (10). And the temperature of the cooled fluid continues to decrease, reducing the high temperature applied to the heating core (13), so that the wax liquid gradually turns into a solid state, and the stretching driven by the torsion spring (17) drives the stretching shell sleeve (15) to recover, so that the main channel (6) is adjusted to a connected state, and the pressing of the first pressure sensor (34) is cancelled; S03. When the fluid temperature is too low, the low-temperature fluid flowing into the secondary channel (8) contacts the heating core (13) to conduct low temperature, so that the wax liquid turns into a solid state, and thus a reserved contraction space is left in the wax cavity (18). Then the torsion spring (17) stretches and drives the stretching shell sleeve (15) to recover, so that the abutting plate (20) presses into the end face of the installation cavity (36) close to the secondary channel (8) to form a seal and reduce the fluid flow. At the same time, as the low-temperature fluid flows out from the notch of the on-off valve (9), it is then introduced into the water leakage port on the surface of the limiting plate (19), and thus is discharged into the installation cavity (36) and enters the water outlet end (10); At the same time, the abutment plate (20) abuts against the end surface of the installation cavity (36), thereby generating pressure on the pressing end of the second pressure sensor (35), so that the second pressure sensor (35) controls the heating mechanism (4) to heat the low-temperature fluid. Part of the heated fluid flows from the main channel (6) into the installation cavity (36) and mixes with the low-temperature fluid and is discharged to the water outlet (10). The remaining fluid flows from the diversion port (7) into the secondary channel (8) and contacts the heating core (13), thereby transferring heat energy to heat the wax liquid and convert it into a liquid state, thereby adjusting the secondary channel (8) to a connected state and canceling the pressure applied to the second pressure sensor (35).

2. A constant temperature control device is applied to the constant temperature control method of cooling water in a blow molding workshop described in claim 1, and is characterized in that: The main housing (1) comprises a main housing (1), wherein a water inlet (2) for introducing a fluid is provided at one end of the bottom of the main housing (1), a temperature control chamber (3) for heating and cooling the fluid is provided inwardly from the water inlet (2), the main housing (1) comprises a main channel (6) provided transversely at the top of the temperature control chamber (3), and a water outlet (10) is provided at one end of the main housing (1) away from the temperature control chamber (3) and connected to the outside; The main shell (1) is located in the middle of the main channel (6) and is provided with a diversion port (7) extending downwards. The main shell (1) is provided with an interception block (27) at the bottom of the diversion port (7). The interception block (27) is provided with a water inlet (28) and a water outlet (29) for receiving fluid at the upper and lower ends, respectively. A diversion shell (30) is provided at the port adjacent to the water inlet (28) and the water outlet (29). A spiral water tank (31) is provided in the diversion shell (30) for facilitating gas-liquid separation. A through opening is provided at the top of the diversion shell (30). A force bearing block (22) is provided on one side of the through opening at the top of the diversion shell (30) and is movable. The force bearing block (22) is provided with an air guide port (26) aligned with the center of the diversion shell (30). The main housing (1) is provided with a secondary channel (8) at the bottom of the water outlet (29); an on-off valve (9) is provided at the end of the secondary channel (8) away from the water outlet (29); both ends of the on-off valve (9) are provided with notches that are interconnected; a connecting inner cavity (11) is provided inside the on-off valve (9); an extendable shell (15) is telescopically provided inside the connecting inner cavity (11); an isolating sleeve (14) is sealed and connected inside the extendable shell (15); and the extendable shell (15) is provided with a sealing sleeve (14). A wax cavity (18) for storing wax liquid is arranged between the sleeve (15) and the isolation sleeve (14); a heating core (13) fixedly connected to the inner wall of the communicating inner cavity (11) is inserted and arranged in the isolation sleeve (14); an abutment plate (20) for sealing the main channel (6) is arranged at one end of the extending shell sleeve (15) away from the heating core (13); a limiting plate (19) is fixedly arranged at the end of the protruding end of the extending shell sleeve (15); and a plurality of water leakage openings are arranged around the surface of the limiting plate (19).

3. A constant temperature control device according to claim 2, characterized in that: The main housing (1) is provided with a mounting cavity (36) at one end thereof connected to the main channel (6); the inner wall of the mounting cavity (36) is fixedly connected to the on-off valve (9); and a fixing ring (12) is fixedly provided on the outer surface of the on-off valve (9) and is fixedly engaged with the inner wall of the mounting cavity (36); the end of the mounting cavity (36) away from the main channel (6) is connected to the secondary channel (8); and the main housing (1) is provided with a water outlet (10) extending through the middle of the mounting cavity (36) and connected to the outside.

4. The thermostatic control device according to claim 2, wherein: A boost plate (16) is disposed around one side of the extending shell (15) in the communicating inner cavity (11), a torsion spring (17) is fixedly disposed on one side of the boost plate (16) close to the abutment plate (20), and an end of the torsion spring (17) away from the abutment plate (20) is fixedly connected to the inner wall of the communicating inner cavity (11).

5. The constant temperature control device according to claim 2, characterized in that: A limiting plate (19) is fixedly provided at one end of the extension shell (15) close to the abutment plate (20), a plurality of water leakage holes are provided on the surface of the limiting plate (19), a limiting groove (21) is provided in the middle of the abutment plate (20), and the channel of the limiting groove (21) is movably sleeved with the limiting plate (19).

6. The thermostatic control device according to claim 3, wherein: The main housing (1) is provided with a flow diversion chamber (38) at the bottom of the installation chamber (36); the middle of the inner wall of the flow diversion chamber (38) is plugged into the force-bearing block (22); an air guide channel (25) connected to the air guide port (26) is provided inside the force-bearing block (22); the inner wall of the flow diversion chamber (38) is located on one side of the force-bearing block (22) and is fixedly connected to the interception block (27); the inner wall of the flow diversion chamber (38) is located on the other side of the force-bearing block (22) and is detachably provided with a degassing tank (32) connected to the air guide channel (25).

7. A constant temperature control device according to claim 6, characterized in that: The top of the force-bearing block (22) is protrudingly provided with a synchronization groove (23), the synchronization groove (23) is located in the installation cavity (36) and is fixedly connected to the abutment plate (20), and sealing sleeves (24) are fixedly provided on both sides of the synchronization groove (23) of the force-bearing block (22) and are sealedly connected to the inner wall of the installation cavity (36).

8. A constant temperature control device according to claim 7, characterized in that: A pressure sensor 1 (34) is fixedly mounted on the inner wall of the installation cavity (36) located on the right side of the abutment plate (20), and a pressure sensor 2 (35) is fixedly mounted on the other side of the inner wall of the installation cavity (36) away from the pressure sensor 1 (34).

9. A constant temperature control device according to claim 2, characterized in that: A heating mechanism (4) and a cooling mechanism (5) are fixedly mounted on the outer surface of the main shell (1) at the upper and lower ends of the temperature control chamber (3), respectively; the output ends of the heating mechanism (4) and the cooling mechanism (5) both pass through the main shell (1) and are located in the temperature control chamber (3); and a zigzag protrusion (33) is protruded from the inner wall of the temperature control chamber (3) at the output ends of the heating mechanism (4) and the cooling mechanism (5).

10. A constant temperature control device according to claim 6, characterized in that: The inner wall of the diversion chamber (38) is located on one side of the degassing tank (32), penetrates the main shell (1) and communicates with the outside, and a rotatably openable and closable interactive door (37) is rotatably provided at the communication opening.

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