Wide-flow-range fluid temperature control equipment and method

Abstract

The invention provides a wide-flow-range fluid temperature control device and method, the control device comprises a cold water tank, a hot water tank and a mixing mechanism, the cold water tank is provided with a cold water temperature sensor, and the cold water tank is communicated with the mixing mechanism through a pipeline a; a cold water supply water pump is arranged on the pipeline a; the hot water tank is communicated with the mixing mechanism through a pipeline b, a hot water supply pump is arranged on the pipeline b, and a circulating pipe is arranged on the hot water tank. Cold water in the cold water tank is pumped into the mixing mechanism through the cold water supply pump, hot water in the hot water tank is pumped into the mixing mechanism through the hot water supply pump, the hot water and the cold water are mixed in the mixing mechanism, and the mixture is conveyed to a demand end (fuel cell) through a pipeline c to control the temperature of the demand end. And discharged liquid is discharged into the cold water tank through a pipeline e and is discharged into the hot water tank through a pipeline f, so that temperature control during fuel cell testing is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of fluid temperature control, and in particular to a fluid temperature control device and method with a wide flow range. Background Art

[0002] A fuel cell is a chemical device that converts the chemical energy of a fuel directly into electrical energy. It is also called an electrochemical generator. It is the fourth power generation technology after hydroelectric power generation, thermal power generation and atomic power generation. Fuel cells need to undergo high-temperature testing before mass production to verify their reliability.

[0003] Chinese patent application No. 2024102303676 discloses a fuel cell testing device, which belongs to the field of fuel cell technology, and includes a base, a detection cover is fixedly installed on the upper surface of the base, an electric telescopic column is fixedly installed on the upper surface of the detection cover, one end of the electric telescopic column extends to the interior of the detection cover and a detection plate is fixedly installed, and an adjustment component is provided on the inner wall of the detection plate; by providing the adjustment component, the limit pin will be stuck in the groove in the fixing ring under the action of the connecting spring, and when the moving rack passes through the transmission gear, the threaded rod is fixed, and when the detection column moves up, it will move according to the moving distance of the positioning column, so that the detection column and the fuel cell area under the detection plate are the same, and the test structure can be changed according to the size of the fuel cell.

[0004] Temperature control is required during fuel cell testing. However, the above-mentioned fuel cell testing device is not convenient for temperature control of the fuel cell during fuel cell testing. Therefore, we propose a fluid temperature control device and method with a wide flow range. Summary of the invention

[0005] The purpose of the present invention is to address the deficiencies in the prior art and to provide a fluid temperature control device and method with a wide flow range. The cold water in the cold water tank is pumped into the mixing mechanism by a cold water supply pump, and the hot water in the hot water tank is pumped into the mixing mechanism by a hot water supply pump. The hot water and cold water are mixed in the mixing mechanism and transmitted to the demand end (fuel cell) through a pipeline c to control the temperature of the demand end. The discharged liquid is discharged into the cold water tank through a pipeline e and into the hot water tank through a pipeline f, which is convenient for temperature control during fuel cell testing.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A wide flow range fluid temperature control device, comprising a cold water tank, a hot water tank, and a mixing mechanism, wherein the cold water tank is provided with a cold water temperature sensor, and the cold water tank and the mixing mechanism are connected through a pipeline a; a cold water supply pump is provided on the pipeline a; the hot water tank and the mixing mechanism are connected through a pipeline b, and a hot water supply pump is provided on the pipeline b; the hot water tank is provided with a circulation pipe, and a hot water circulation pump, a heater, and a hot water cooling plate are provided on the circulation pipe; the mixing mechanism is connected to a demand end through a pipeline c, and a flow meter, an inlet pressure sensor, and an inlet temperature sensor are provided on the pipeline c;

[0008] The demand end is connected to the reflux diverter valve through a pipe d, on which an outlet pressure sensor, an outlet temperature sensor, and a back pressure regulating valve are provided. The reflux diverter valve is connected to the cold water tank through a pipe e, and the reflux diverter valve is connected to the hot water tank through a pipe f, on which a reflux temperature sensor and a reflux cooling plate are provided.

[0009] The mixing mechanism comprises: a mixing tank; a fixed ring, two of the fixed rings are installed in the mixing tank, one fixed ring corresponds to the position of the pipe a, and the other fixed ring corresponds to the position of the pipe b; a rotating rod, the rotating rod is rotatably arranged on the cold water tank; a rotating disk, the rotating disk is installed at the bottom of the rotating rod; an L-shaped block, a plurality of L-shaped blocks are installed on the rotating disk; a vibrating block, the vibrating block is arranged below the L-shaped block; an elastic connecting member a, the elastic connecting member a is arranged between the L-shaped block and the vibrating block; a sliding rod a, the sliding rod a is installed on the top of the vibrating block, the elastic connecting member a is sleeved on the outside of the sliding rod a, and the sliding rod a slides in the L-shaped block; a rotating shaft, the rotating shaft is rotatably arranged on the vibrating block; a circular ring, the circular ring is installed on the rotating shaft, and a filter is arranged inside the circular ring.

[0010] The mixing tank is provided with a driving and limiting assembly, which includes a gear a installed on the rotating shaft, a sliding rod b is sleeved on the outer side of the rotating rod, a connecting frame is installed on the sliding rod b, and a rack a is installed on the connecting frame; a connecting sleeve is sleeved on the sliding rod b, a connecting rod is installed on the connecting sleeve, and a linear driving member a is installed on the mixing tank, and the output end of the linear driving member a is connected to the connecting rod.

[0011] A gear b is rotatably provided on the mixing tank, a rotating driving member a is installed on the mixing tank, a gear c is installed on the output end of the rotating driving member a, and the gear b is meshed with the gear c; the sliding rod b is slidably provided in the gear b, a groove is provided in the sliding rod b, a block is provided in the gear b, and the block slides in the groove.

[0012] A fixing frame is installed on the mixing tank, the rotating rod is rotatably installed on the fixing frame, a gear d is installed on the rotating rod, a rotating driving member b is installed on the mixing tank, a gear e is installed on the output end of the rotating driving member b, and the gear d is meshed with the gear e; two mounting grooves are provided in the vibration block, two positioning holes are provided in the rotating shaft, an elastic connecting member b is provided in the mounting groove, and a positioning ball inserted into the positioning hole is provided at the free end of the elastic connecting member b.

[0013] A support bar is arranged in the mixing tank, a avoidance ring is arranged on the support bar, and a resistance rod is installed on the rack a; a collecting and discharging component and a stirring mechanism are arranged in the mixing tank.

[0014] The stirring mechanism includes: a working frame, which is installed at the bottom of the mixing tank; a moving driving member, which is installed on the working frame; an output shaft, which is installed at the output end of the moving driving member; a moving disk, which is installed on the output shaft; a rotating rod, which is rotatably arranged on the moving disk; a stirring block, which is installed on the rotating rod; a gear h, which is installed on the rotating rod; a rotating driving member d, which is installed in the moving disk; a rotating disk, which is installed at the output end of the rotating driving member d, and an arc-shaped rack b is installed on the rotating disk, and the arc-shaped rack b is meshed with the gear h.

[0015] The collecting and discharging assembly includes: a connecting plate, which is installed in the mixing tank; a collecting funnel, which is installed on the connecting plate; an inclined pipe, which is installed at the bottom of the collecting funnel; a shielding ring, which is rotatably arranged in the mixing tank and has a through groove; and a discharging groove is arranged in the mixing tank.

[0016] A rotating sleeve is rotatably provided at the bottom of the support bar, a closing plate is installed on the rotating sleeve, a mounting sleeve is provided on the outer side of the output shaft, a pipe g is provided on the mounting sleeve, and a flow groove is opened in the output shaft; a protrusion is installed on the top of the moving disk, and a card slot is opened in the rotating sleeve.

[0017] The beneficial effects of the present invention are:

[0018] (1) The present invention uses a cold water supply pump to pump cold water in a cold water tank into a mixing mechanism, and uses a hot water supply pump to pump hot water in a hot water tank into a mixing mechanism. The hot water and cold water are mixed in the mixing mechanism and transmitted to a demand end (fuel cell) through a pipe c to control the temperature of the demand end. The discharged liquid is discharged into the cold water tank through a pipe e and into the hot water tank through a pipe f, which is convenient for temperature control during fuel cell testing.

[0019] (2) The present invention drives the sliding rod b to move downward through the linear driving member a, drives the rack a to move downward and mesh with the gear a, and the rotary driving member a drives the gear c to rotate, which drives the sliding rod b to rotate, and drives the gear a to rotate through the rack a, which drives the filter screen to rotate downward. The impurities on the filter screen fall into the receiving funnel under the action of gravity.

[0020] (3) The present invention drives the protrusion to move upward and insert it into the recessed groove. The driving protrusion rotates to drive the closing plate to rotate above the receiving funnel, and water flows into the pipe g. The water flows through the installation sleeve and the output shaft, enters the recessed groove through the water spray hole, and then is sprayed out through the water trough to clean the receiving funnel. The cleaned water is discharged along the inclined pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the mixing mechanism of the present invention;

[0023] Figure 3 It is a cross-sectional structural schematic diagram of the mixing mechanism of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of some parts of the mixing mechanism of the present invention;

[0025] Figure 5 This is a schematic diagram of the structure of the drive limit assembly of the present invention;

[0026] Figure 6 It is a schematic diagram of the cross-sectional structure of the vibration block of the present invention;

[0027] Figure 7 For the present invention Figure 3 The enlarged schematic diagram in A;

[0028] Figure 8 It is a schematic diagram of the groove and the block structure of the present invention;

[0029] Fig. 9 This is a schematic diagram of the stirring mechanism structure of the present invention;

[0030] Fig.10 It is a schematic diagram of the structure of the arc-shaped rack b and the gear h of the present invention;

[0031] Fig.11 This is a schematic diagram of the structure of the collection and discharge assembly of the present invention;

[0032] Fig.12 This is a schematic diagram of the structure of the rotating sleeve and the closing plate of the present invention;

[0033] Fig.13 This is a schematic diagram of the shielding ring structure of the present invention;

[0034] Fig.14 This is a schematic diagram of the structure of the closing plate of the present invention;

[0035] Fig.15 It is a schematic diagram of the flow tank structure of the present invention.

[0036] The accompanying drawings of the present application are marked as follows: 1. cold water tank; 10. cold water temperature sensor; 11. pipeline a; 12. cold water supply pump; 13. pipeline b; 14. hot water supply pump; 15. circulation pipe; 16. hot water circulation pump; 17. heater; 18. hot water cooling plate; 19. pipeline c; 20. flow meter; 2. hot water tank; 21. inlet pressure sensor; 22. inlet temperature sensor; 23. reflux diverter valve; 24. pipeline d; 25. outlet pressure sensor; 26. outlet temperature sensor; 27. back pressure regulating valve; 28. pipeline e; 29. , pipe f; 3, mixing mechanism; 30, reflux temperature sensor; 300, fixed frame; 301, mixing tank; 3011, discharge trough; 302, fixed ring; 303, rotating rod; 304, rotating disk; 305, L-shaped block; 306, vibration block; 3061, installation groove; 307, elastic connector a; 308, sliding rod a; 309, rotating shaft; 3091, positioning hole; 310, ring; 311, filter; 32, drive limit assembly; 320, gear b; 3201, block; 321, gear a; 322, sliding rod b; 32 21. groove; 323. connecting frame; 324. rack a; 325. connecting sleeve; 326. connecting rod; 327. linear drive member a; 328. rotary drive member a; 329. gear c; 330. gear d; 331. rotary drive member b; 332. gear e; 333. elastic connecting member b; 334. positioning ball; 335. support bar; 336. avoidance ring; 337. resistance rod; 34. collecting and discharging assembly; 341. connecting plate; 342. collecting funnel; 343. oblique pipe; 344. shielding ring; 3441. through groove; 34 42. Slot; 345. Rotating sleeve; 3451. Concave groove; 346. Closing plate; 3461. Water trough; 347. Mounting sleeve; 348. Pipe g; 349. Bump; 3491. Water spray hole; 4. Stirring mechanism; 400. Output shaft; 4001. Flow trough; 401. Motion drive member; 402. Motion disk; 403. Rotating rod; 404. Stirring block; 4041. Bump; 405. Gear h; 406. Rotating drive member d; 407. Rotating disk; 408. Arc rack b; 409. Working frame; 5. Reflux cooling plate. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0040] Embodiment 1: Figure 1 As shown, this embodiment provides a fluid temperature control device with a wide flow range, including a cold water tank 1, a hot water tank 2, and a mixing mechanism 3. The cold water tank 1 is provided with a cold water temperature sensor 10. The cold water tank 1 and the mixing mechanism 3 are connected through a pipe a11. A cold water supply pump 12 is provided on the pipe a11.

[0041] The hot water tank 2 is connected to the mixing mechanism 3 through a pipe b13, on which a hot water supply pump 14 is provided, and the hot water tank 2 is provided with a circulation pipe 15, on which a hot water circulation pump 16, a heater 17 and a hot water cooling plate 18 are provided; the mixing mechanism 3 is connected to the demand end through a pipe c19, on which a flow meter 20, an inlet pressure sensor 21 and an inlet temperature sensor 22 are provided;

[0042] The demand side is connected to the reflux diverter valve 23 through a pipeline d24, on which an outlet pressure sensor 25, an outlet temperature sensor 26, and a back pressure regulating valve 27 are provided. The reflux diverter valve 23 is connected to the cold water tank 1 through a pipeline e28, and the reflux diverter valve 23 is connected to the hot water tank 2 through a pipeline f29, on which a reflux temperature sensor 30 and a reflux cooling plate 5 are provided.

[0043] In this embodiment, the cold water in the cold water tank 1 is pumped into the mixing mechanism 3 by the cold water supply pump 12, and the hot water in the hot water tank 2 is pumped into the mixing mechanism 3 by the hot water supply pump 14. The hot water and the cold water are mixed in the mixing mechanism 3 and transmitted to the demand end (fuel cell) through the pipeline c19 to control the temperature of the demand end. The liquid discharged from the demand end (fuel cell) is discharged into the cold water tank 1 through the pipeline e28 and discharged into the hot water tank 2 through the pipeline f29.

[0044] The temperature can be controlled by controlling the ratio of cold water in the cold water tank 1 to hot water in the hot water tank 2, so as to achieve temperature control of a fluid in a wide flow range.

[0045] Embodiment 2: Figure 1-Figure 15 As shown, the components identical or corresponding to those in the first embodiment are marked with the corresponding reference numerals in the first embodiment. For the sake of simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that:

[0046] The mixing mechanism 3 includes: a mixing tank 301; a fixing ring 302, two fixing rings 302 are installed in the mixing tank 301, one fixing ring 302 corresponds to the position of the pipe a11, and the other fixing ring 302 corresponds to the position of the pipe b13; a rotating rod 303, the rotating rod 303 is rotatably arranged on the cold water tank 1; a rotating disk 304, the rotating disk 304 is installed at the bottom of the rotating rod 303; an L-shaped block 305, a plurality of L-shaped blocks 305 are installed on the rotating disk 304; a vibrating block 306, the vibrating block 306 is arranged on the L-shaped Block 305 is below; elastic connecting member a307, elastic connecting member a307 is arranged between L-shaped block 305 and vibration block 306; sliding rod a308, sliding rod a308 is installed on the top of vibration block 306, elastic connecting member a307 is sleeved on the outside of sliding rod a308, sliding rod a308 slides in L-shaped block 305; rotating shaft 309, rotating shaft 309 is rotatably arranged on vibration block 306; circular ring 310, circular ring 310 is installed on rotating shaft 309, and filter screen 311 is arranged in circular ring 310.

[0047] A driving limit assembly 32 is provided on the mixing tank 301, and the driving limit assembly 32 includes a gear a321 installed on the rotating shaft 309, a sliding rod b322 is sleeved on the outer side of the rotating rod 303, a connecting frame 323 is installed on the sliding rod b322, and a rack a324 is installed on the connecting frame 323; a connecting sleeve 325 is sleeved on the sliding rod b322, and a connecting rod 326 is installed on the connecting sleeve 325; a linear driving component a327 is installed on the mixing tank 301, and the output end of the linear driving component a327 is connected to the connecting rod 326.

[0048] A gear b320 is rotatably provided on the mixing tank 301, a rotating driving member a328 is installed on the mixing tank 301, a gear c329 is installed on the output end of the rotating driving member a328, and the gear b320 is meshed with the gear c329; a sliding rod b322 is slidably provided in the gear b320, a groove 3221 is provided in the sliding rod b322, a block 3201 is provided in the gear b320, and the block 3201 slides in the groove 3221.

[0049] A fixing frame 300 is installed on the mixing tank 301, and a rotating rod 303 is rotatably arranged on the fixing frame 300. A gear d330 is installed on the rotating rod 303. A rotating driving member b331 is installed on the mixing tank 301. A gear e332 is installed at the output end of the rotating driving member b331, and the gear d330 is meshed with the gear e332. Two mounting grooves 3061 are provided in the vibration block 306, and two positioning holes 3091 are provided in the rotating shaft 309. An elastic connecting member b333 is provided in the mounting groove 3061, and a positioning ball 334 inserted into the positioning hole 3091 is provided at the free end of the elastic connecting member b333.

[0050] A support bar 335 is provided in the mixing tank 301, on which a avoidance ring 336 is provided, and a resistance rod 337 is installed on the rack a324; a collecting and discharging assembly 34 and a stirring mechanism 4 are provided in the mixing tank 301. It should be noted that during filtering, the vibration block 306 is pressed above the support bar 335.

[0051] In this embodiment, the rotating driving member b331 drives the gear e332 to rotate, and drives the rotating rod 303 to rotate through the gear d330, driving the ring 310 to move below the fixed ring 302, and the pipe a11 passes cold water downward, and the pipe b13 passes hot water downward, and is filtered through the filter 311;

[0052] The linear drive member a327 drives the sliding rod b322 to move downward, drives the rack a324 to move downward and mesh with the gear a321, and the rotary drive member a328 drives the gear c329 to rotate, drives the sliding rod b322 to rotate, drives the gear a321 to rotate through the rack a324, drives the filter screen 311 to rotate 180 degrees downward, and the impurities on the filter screen 311 fall into the receiving funnel 342 under the action of gravity;

[0053] In this embodiment, the driving resistance rod 337 squeezes the vibration block 306 downward to drive the vibration block 306 to move downward, and the elastic connecting member a307 is stretched, driving the rack a324 to rotate, driving the resistance rod 337 to leave the top of the vibration block 306, and under the action of the elastic connecting member a307, the vibration block 306 and the filter screen 311 are driven to vibrate, so that impurities in the filter screen 311 fall into the receiving funnel 342.

[0054] The stirring mechanism 4 includes: a working frame 409, the working frame 409 is installed at the bottom of the mixing tank 301; a motion driving member 401, the motion driving member 401 is installed on the working frame 409; an output shaft 400, the output shaft 400 is installed at the output end of the motion driving member 401; a motion disk 402, the motion disk 402 is installed on the output shaft 400; a rotating rod 403, a plurality of rotating rods 403 are rotatably arranged on the motion disk 402; a stirring block 404, the stirring block 404 is installed on the rotating rod 403; a gear h405, the gear h405 is installed at On the rotating rod 403; the rotating driving member d406, the rotating driving member d406 is installed in the moving disk 402; the rotating disk 407, the rotating disk 407 is installed at the output end of the rotating driving member d406, and an arc-shaped rack b408 is installed on the rotating disk 407, and the arc-shaped rack b408 is meshed with the gear h405. The stirring mechanism 4 stirs the hot water and the cold water to make them mixed evenly. The moving driving member 401 can drive the output shaft 400 to rotate, and can also drive the output shaft 400 to rise and fall. The moving driving member 401 is preferably a combination of a motor and a cylinder.

[0055] The collecting and discharging assembly 34 includes: a connecting plate 341, which is installed in the mixing tank 301; a collecting funnel 342, which is installed on the connecting plate 341; an inclined pipe 343, which is installed at the bottom of the collecting funnel 342; a shielding ring 344, which is rotatably arranged in the mixing tank 301, and a through groove 3441 is opened in the shielding ring 344; and a discharging groove 3011 is opened in the mixing tank 301.

[0056] A rotating sleeve 345 is rotatably provided at the bottom of the support bar 335, a closing plate 346 is installed on the rotating sleeve 345, a water groove 3461 is opened in the closing plate 346, a mounting sleeve 347 is provided on the outer side of the output shaft 400, a pipe g348 is provided on the mounting sleeve 347, and a flow groove 4001 is opened in the output shaft 400; a protrusion 349 is installed on the top of the moving disk 402, and a recessed groove 3451 is opened in the rotating sleeve 345.

[0057] In this embodiment, the stirring block 404 is driven to rotate to a horizontal position, the stirring block 404 is driven to move upward, the protruding block 4041 is driven to be stuck in the slot 3442, the stirring block 404 is driven to rotate along the output shaft 400, and the shielding ring 344 is driven to rotate in the mixing tank 301 until the through slot 3441 is connected with the discharge slot 3011, and under the action of gravity, the impurities in the receiving funnel 342 are discharged through the oblique pipe 343;

[0058] The driving protrusion 349 moves upward and is inserted into the concave groove 3451. The driving protrusion 349 rotates to drive the closing plate 346 to rotate to the top of the receiving funnel 342, and water flows into the pipe g348. The water flows through the installation sleeve 347 and the output shaft 400 (flow groove 4001), and then enters the concave groove 3451 through the water spray hole 3491, and then is sprayed out through the water groove 3461 to clean the receiving funnel 342. The cleaned water is discharged along the oblique pipe 343.

[0059] It should be noted that the closing plate 346 covers the receiving funnel 342 to achieve a shielding effect, preventing water in the mixing tank 301 from entering the receiving funnel 342. The closing plate 346 and the receiving funnel 342 are adsorbed by magnetic force. When the filter screen 311 is driven to rotate 180 degrees downward, the closing plate 346 is away from the top of the receiving funnel 342 to avoid interference.

[0060] Embodiment 3: This embodiment proposes a temperature control method for a fluid temperature control device with a wide flow range, comprising the following steps:

[0061] Step 1, fluid temperature control process: the cold water in the cold water tank 1 is pumped into the mixing mechanism 3 by the cold water supply pump 12, and the hot water in the hot water tank 2 is pumped into the mixing mechanism 3 by the hot water supply pump 14. The hot water and the cold water are mixed in the mixing mechanism 3 and transmitted to the demand end (fuel cell) through the pipeline c19 to control the temperature of the demand end. The discharged liquid is discharged into the cold water tank 1 through the pipeline e28 and discharged into the hot water tank 2 through the pipeline f29.

[0062] Step 2, filtering process: the rotating driving member b331 drives the gear e332 to rotate, and the gear d330 drives the rotating rod 303 to rotate, driving the ring 310 to move to the bottom of the fixed ring 302, and the pipe a11 passes cold water downward, and the pipe b13 passes hot water downward, and is filtered through the filter 311;

[0063] Step 3, unloading process: the linear driving member a327 drives the sliding rod b322 to move downward, drives the rack a324 to move downward and mesh with the gear a321, and the rotary driving member a328 drives the gear c329 to rotate, drives the sliding rod b322 to rotate, drives the gear a321 to rotate through the rack a324, drives the filter screen 311 to rotate downward, and the impurities on the filter screen 311 fall into the receiving funnel 342 under the action of gravity;

[0064] Step 4, strengthening process: drive the resistance rod 337 to squeeze the vibration block 306 downward to drive the vibration block 306 to move downward, the elastic connecting member a307 is stretched by force, and the rack a324 is driven to rotate, driving the resistance rod 337 to leave the top of the vibration block 306, driving the vibration block 306 and the filter screen 311 to vibrate, so that the impurities in the filter screen 311 fall into the receiving funnel 342;

[0065] Step 5, discharging process: drive the stirring block 404 to rotate to a horizontal position, drive the stirring block 404 to move upward, drive the protruding block 4041 to be stuck in the slot 3442, drive the stirring block 404 to rotate along the output shaft 400, drive the shielding ring 344 to rotate in the mixing tank 301, until the through slot 3441 is connected with the discharging slot 3011, and under the action of gravity, the impurities in the receiving funnel 342 are discharged through the oblique pipe 343;

[0066] Step 6, cleaning process: drive the protrusion 349 to move upward and insert into the recessed groove 3451. The driving protrusion 349 rotates to drive the closing plate 346 to rotate to above the receiving funnel 342, and water flows into the pipe g348. The water flows through the mounting sleeve 347 and the output shaft 400, enters the recessed groove 3451 through the water spray hole 3491, and then is sprayed out through the water channel 3461 to clean the receiving funnel 342. The cleaned water is discharged along the inclined pipe 343.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fluid temperature control device with a wide flow range, characterized in that: The invention comprises a cold water tank (1), a hot water tank (2), and a mixing mechanism (3); the cold water tank (1) is provided with a cold water temperature sensor (10); the cold water tank (1) and the mixing mechanism (3) are connected via a pipe a (11); and the pipe a (11) is provided with a cold water supply pump (12); The hot water tank (2) and the mixing mechanism (3) are connected via a pipe b (13), a hot water supply pump (14) is provided on the pipe b (13), the hot water tank (2) is provided with a circulation pipe (15), and the circulation pipe (15) is provided with a hot water circulation pump (16), a heater (17) and a hot water cooling plate (18); The mixing mechanism (3) is connected to the demand end via a pipeline c (19), and the pipeline c (19) is provided with a flow meter (20), an inlet pressure sensor (21) and an inlet temperature sensor (22); The demand end is connected to the reflux diverter valve (23) via a pipeline d (24), and the pipeline d (24) is provided with an outlet pressure sensor (25), an outlet temperature sensor (26), and a back pressure regulating valve (27). The reflux diverter valve (23) is connected to the cold water tank (1) via a pipeline e (28), and the reflux diverter valve (23) is connected to the hot water tank (2) via a pipeline f (29), and the pipeline e (28) is provided with a reflux temperature sensor (30) and a reflux cooling plate (5).

2. A wide flow range fluid temperature control device according to claim 1, characterized in that: The mixing mechanism (3) comprises: Mixing tank (301); A fixing ring (302), wherein two fixing rings (302) are installed in the mixing tank (301), one fixing ring (302) corresponds to the position of the pipeline a (11), and the other fixing ring (302) corresponds to the position of the pipeline b (13); A rotating rod (303), the rotating rod (303) being rotatably disposed on the cold water tank (1); A rotating disk (304), the rotating disk (304) being mounted on the bottom of the rotating rod (303); L-shaped blocks (305), a plurality of the L-shaped blocks (305) are mounted on the rotating disk (304); A vibration block (306), the vibration block (306) being arranged below the L-shaped block (305); An elastic connecting member a (307), wherein the elastic connecting member a (307) is arranged between the L-shaped block (305) and the vibration block (306); A sliding rod a (308), wherein the sliding rod a (308) is installed on the top of the vibration block (306), the elastic connecting member a (307) is sleeved on the outside of the sliding rod a (308), and the sliding rod a (308) slides in the L-shaped block (305); A rotating shaft (309), the rotating shaft (309) being rotatably disposed on the vibration block (306); A circular ring (310), wherein the circular ring (310) is mounted on the rotating shaft (309), and a filter screen (311) is arranged inside the circular ring (310).

3. A wide flow range fluid temperature control device according to claim 2, characterized in that: The mixing tank (301) is provided with a driving and limiting assembly (32), the driving and limiting assembly (32) comprising a gear a (321) mounted on the rotating shaft (309), a sliding rod b (322) is sleeved on the outer side of the rotating rod (303), a connecting frame (323) is mounted on the sliding rod b (322), and a rack a (324) is mounted on the connecting frame (323); The sliding rod b (322) is sleeved with a connecting sleeve (325), a connecting rod (326) is installed on the connecting sleeve (325), a linear driving member a (327) is installed on the mixing tank (301), and an output end of the linear driving member a (327) is connected to the connecting rod (326).

4. A wide flow range fluid temperature control device according to claim 3, characterized in that: The mixing tank (301) is rotatably provided with a gear b (320), the mixing tank (301) is provided with a rotating driving member a (328), the output end of the rotating driving member a (328) is provided with a gear c (329), and the gear b (320) is meshed with the gear c (329); The sliding rod b (322) is slidably arranged in the gear b (320), a groove (3221) is provided in the sliding rod b (322), a clamping block (3201) is provided in the gear b (320), and the clamping block (3201) slides in the groove (3221).

5. A wide flow range fluid temperature control device according to claim 4, characterized in that: The mixing tank (301) is provided with a fixed frame (300), the rotating rod (303) is rotatably provided on the fixed frame (300), the rotating rod (303) is provided with a gear d (330), the mixing tank (301) is provided with a rotating driving member b (331), the output end of the rotating driving member b (331) is provided with a gear e (332), and the gear d (330) is meshed with the gear e (332); The vibration block (306) is provided with two installation grooves (3061), the rotating shaft (309) is provided with two positioning holes (3091), an elastic connecting piece b (333) is provided in the installation groove (3061), and a positioning ball (334) inserted into the positioning hole (3091) is provided at the free end of the elastic connecting piece b (333).

6. A wide flow range fluid temperature control device according to claim 5, characterized in that: A support bar (335) is provided in the mixing tank (301), a avoidance ring (336) is provided on the support bar (335), and a resisting rod (337) is installed on the rack a (324); The mixing tank (301) is provided with a collecting and discharging assembly (34) and a stirring mechanism (4).

7. A wide flow range fluid temperature control device according to claim 6, characterized in that: The stirring mechanism (4) comprises: A working frame (409), wherein the working frame (409) is installed at the bottom of the mixing tank (301); A motion driving member (401), wherein the motion driving member (401) is mounted on the working frame (409); An output shaft (400), the output shaft (400) being mounted on an output end of the motion driving member (401); A moving disk (402), the moving disk (402) being mounted on the output shaft (400); Rotating rods (403), a plurality of rotating rods (403) are rotatably disposed on the moving disk (402); A stirring block (404), wherein the stirring block (404) is mounted on the rotating rod (403); A gear h (405), the gear h (405) being mounted on the rotating rod (403); A rotating driving member d (406), wherein the rotating driving member d (406) is installed in the moving disk (402); A rotating disk (407) is installed at the output end of the rotating driving member d (406), and an arc-shaped rack b (408) is installed on the rotating disk (407), and the arc-shaped rack b (408) is meshed with the gear h (405).

8. A wide flow range fluid temperature control device according to claim 7, characterized in that: The collecting and discharging component (34) comprises: A connecting plate (341), wherein the connecting plate (341) is installed in the mixing tank (301); A material receiving funnel (342), wherein the material receiving funnel (342) is installed on the connecting plate (341); An oblique pipeline (343), wherein the oblique pipeline (343) is installed at the bottom of the receiving hopper (342); A shielding ring (344), the shielding ring (344) is rotatably disposed in the mixing tank (301), and a through groove (3441) is formed in the shielding ring (344); A discharge trough (3011) is provided in the mixing tank (301).

9. A wide flow range fluid temperature control device according to claim 8, characterized in that: A rotating sleeve (345) is rotatably provided at the bottom of the support bar (335), a closing plate (346) is installed on the rotating sleeve (345), a water channel (3461) is provided in the closing plate (346), a mounting sleeve (347) is provided on the outer side of the output shaft (400), a pipe g (348) is provided on the mounting sleeve (347), and a flow groove (4001) is provided in the output shaft (400); A convex block (349) is installed on the top of the moving disk (402), and a concave groove (3451) is opened in the rotating sleeve (345).

10. The control method of a wide flow range fluid temperature control device according to claim 9, characterized in that: The steps include: Step 1, fluid temperature control process: the cold water in the cold water tank (1) is pumped into the mixing mechanism (3) by the cold water supply pump (12), and the hot water in the hot water tank (2) is pumped into the mixing mechanism (3) by the hot water supply pump (14). The hot water and the cold water are mixed in the mixing mechanism (3), and the mixture is transmitted to the demand end through the pipeline c (19) to control the temperature of the demand end. The discharged liquid is discharged into the cold water tank (1) through the pipeline e (28), and is discharged into the hot water tank (2) through the pipeline f (29); Step 2, filtering process: driving gear e (332) to rotate, driving the rotating rod (303) to rotate through gear d (330), driving the ring (310) to move below the fixed ring (302), and passing cold water downward through pipe a (11), and passing hot water downward through pipe b (13), and filtering through the filter net (311); Step 3, unloading process: driving the sliding rod b (322) to move downward, driving the rack a (324) to move downward and mesh with the gear a (321), driving the gear c (329) to rotate, driving the sliding rod b (322) to rotate, driving the gear a (321) to rotate through the rack a (324), driving the filter screen (311) to rotate downward, and the impurities on the filter screen (311) fall into the receiving funnel (342) under the action of gravity; Step 4, strengthening process: driving the abutment rod (337) to press the vibration block (306) downward to drive the vibration block (306) to move downward, the elastic connecting member a (307) is stretched by force, driving the rack a (324) to rotate, driving the abutment rod (337) to leave the top of the vibration block (306), driving the vibration block (306) and the filter screen (311) to vibrate, so that the impurities in the filter screen (311) fall into the receiving funnel (342); Step 5, discharging process: driving the stirring block (404) to rotate to a horizontal position, driving the stirring block (404) to move upward, driving the protruding block (4041) to be stuck in the slot (3442), driving the stirring block (404) to rotate along the output shaft (400), driving the shielding ring (344) to rotate in the mixing tank (301), until the through slot (3441) is connected to the discharging slot (3011), and under the action of gravity, the impurities in the receiving funnel (342) are discharged through the oblique pipe (343); Step 6, cleaning process: the driving protrusion (349) moves upward and is inserted into the concave groove (3451). The driving protrusion (349) rotates to drive the closing plate (346) to rotate to the top of the receiving funnel (342), and water is introduced into the pipe g (348). The water flows through the installation sleeve (347) and the output shaft (400) and then enters the concave groove (3451) through the water spray hole (3491) and then sprays out through the water channel (3461) to clean the receiving funnel (342). The cleaned water is discharged along the oblique pipe (343).

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