CN115111398A

CN115111398A - Eight-way valve for cooling control and heat management

Info

Publication number: CN115111398A
Application number: CN202211029741.3A
Authority: CN
Inventors: 李和鑫
Original assignee: NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Current assignee: NINGBO HEXIN OPTOELECTRONICS TECHNOLOGY CO LTD
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-09-27

Abstract

The invention relates to the technical field of automobile accessories, and particularly discloses an eight-way valve for cooling control and heat management, which comprises a valve body, a driving piece and a rotating block arranged in the valve body; seted up on the valve body and held the chamber, it connects and holds the intracavity to change the piece to rotate through the driving piece, it is eight first flow road mouths that the array was arranged to set up on the inner wall in chamber to hold, the array has first array direction and second array direction, one side of valve body has the concatenation face, be provided with eight second flow road mouths on the concatenation face, one-to-one intercommunication forms eight runners between first flow road mouth and the second flow road mouth, first intercommunication groove and second intercommunication groove have been seted up to change the piece week, communicate each other through first intercommunication groove between two adjacent runners in the first array direction, communicate each other through the second intercommunication groove between two adjacent runners in the second array direction, setting through this structure, can provide more compound mode, can provide as required most rationally, the most energy-saving working method.

Description

Eight-way valve for cooling control and heat management

Technical Field

The invention relates to the technical field of automobile accessories, in particular to an eight-way valve for cooling control and heat management.

Background

Due to environmental damage and energy crisis, electric vehicles have become a necessary trend. The heat management system of the passenger compartment of the automobile is an important guarantee for guaranteeing the comfort and safety of passengers, the PTC electric heating method adopted by the general heating mode of the electric automobile has low electric heat conversion efficiency, all power of the electric automobile comes from batteries, and the PTC electric heating can consume a large amount of energy of the batteries. The heat pump air conditioning system is a potential method with high energy efficiency for replacing PTC heating, a reversing valve in the whole heat pump system plays an important role in switching modes, a four-way reversing valve is adopted in the heat pump system of an automobile under a general condition to meet heat exchange between an environmental heat source and a member cabin, but the conventional four-way valve has a limited heat source combination mode, so that the adjustment mode which can be carried out is limited, a more suitable heat exchange mode cannot be provided for the external environment, the energy consumption in the process is high, the utilization rate of waste heat of the automobile is low, and the possibility of energy waste exists.

Disclosure of Invention

The invention provides an eight-way valve with diversified communication combination modes for cooling control and heat management.

In order to solve the technical problem, the present application provides the following technical solutions:

an eight-way valve for cooling control and heat management comprises a valve body, a driving piece and a rotating block arranged in the valve body; seted up on the valve body and held the chamber, the commentaries on classics piece rotates to be connected through the driving piece and holds the intracavity, hold and set up eight first flow road mouths that are the array and arrange on the inner wall in chamber, the array has first array direction and second array direction, one side of valve body has the concatenation face, be provided with eight second flow road mouths on the concatenation face, the one-to-one intercommunication forms eight runners between first flow road mouth and the second flow road mouth, first intercommunication groove and second intercommunication groove have been seted up to the week of commentaries on classics piece, communicate each other through first intercommunication groove between two adjacent runners in the first array direction, communicate each other through the second intercommunication groove between two adjacent runners in the second array direction.

Has the advantages that: the rotating block is driven to rotate in the accommodating cavity by the driving piece, so that the positions of the first communicating groove and the second communicating groove are adjusted to be in butt joint with different first runner ports, and then two adjacent runners are communicated to form a loop, and finally, the eight runners are provided with a plurality of communicating combination modes by the rotation of the rotating block, through the arrangement of the structure, more combination modes can be provided in a heat pump system of an automobile to deal with diversified use conditions, the most reasonable and energy-saving working mode can be provided for the external environment, so that under the condition of ensuring the temperature control of air conditioning in the automobile, energy is saved, the cost is reduced, wherein the rotating block is driven to rotate by the driving piece, the mode of rotating to switch the runner combination is adopted, the switching stability is improved, and the structure can enable the sealing effect between the rotating block and the inner wall of the accommodating cavity to be better, fluid permeation between the flow channels is avoided, meanwhile, the structure occupies a smaller space, and is simple in structure and easy to produce.

The eight first flow channel openings are arranged in a 2 x 4 matrix, two first air holes are formed in the first array direction, at least four first connecting grooves are formed in each first connecting groove, at least one group of second connecting grooves are formed in each second connecting groove, and two second connecting grooves in each group are formed in the first array direction.

Has the advantages that: through the arrangement mode of the matrix, the stability of the runner combination mode switched by the rotating block in the rotating process is further improved, and the butt joint accuracy of the first runner opening and the first connecting groove or the second connecting groove can be improved.

The rotating block and the accommodating cavity are provided with a gap, a sealing element is arranged at the gap, eight through holes are formed in the sealing element corresponding to the first flow channel opening, and the first flow channel opening is closed through the sealing element at the interface between the first flow channel opening and the first communicating groove and the second communicating groove.

Has the advantages that: through the setting of sealing member to further strengthen the airtight effect between first flow channel mouth and first communicating groove or the second communicating groove, promoted the sealed effect of connecting, avoided the possibility of fluid infiltration between the runner, ensured the relative independence between the runner, promoted the whole stability in use of equipment.

Transition angles are respectively arranged in the first communicating groove and the second communicating groove, and the flow channel and the first communicating groove and the second communicating groove respectively form smooth transition through the transition angles.

Has the advantages that: through the arrangement of the transition angle, after the fluid flows out of one first runner opening of the two communicating runners, the fluid contacts with the transition angle, is subjected to angle deviation under the guidance of the transition angle and finally flows into the other first runner opening, the friction of the rotating block on the fluid is reduced by adopting the form of the transition angle in the process, the kinetic energy loss is further reduced, the purposes of increasing the fluid flow speed and reducing the working pressure of a water pump for driving the fluid to flow are finally achieved, and the service life of the equipment is prolonged.

Still include the center pin, the center pin with change relatively fixed between the piece, the one end of center pin is rotated and is connected on the valve body, the other end tip of center pin is provided with the drive tooth, the driving piece drives the center pin through the drive tooth and is holding the intracavity and rotate.

Has the advantages that: through the setting of center pin to improved the stability of commentaries on classics piece in radial ascending, improve equipment's smooth degree of operation, and adopted the mode of driving the tooth, promoted commentaries on classics piece turned angle's accuracy with the mode of meshing, in order to reach the accurate angular variation control of commentaries on classics piece.

A partition plate is arranged between the two adjacent first connecting grooves or between the first connecting groove and the second connecting groove, a reinforcing rib is arranged at the end of a far rotating block rotating shaft of the partition plate, and the width of the longitudinal section of the reinforcing rib is equal to or larger than that of the partition plate.

Has the advantages that: through the setting of strengthening rib to strengthen baffle and sealing member contact part's intensity, in order to avoid long-time relative motion process, the possibility that the far rotatory axle head of baffle takes place to warp has strengthened the intensity of baffle, thereby has promoted the life of product.

The far rotating block rotating shaft end of the reinforcing rib is provided with two tangent planes, the splicing part of the two tangent planes is provided with a fillet, and the fillet and the sealing element are mutually attached.

Has the advantages that: through the setting of this structure to the mode of contact between fillet and the sealing member has reduced the area of contact between strengthening rib and the sealing member when having guaranteed intensity, thereby has avoided the strengthening rib to the damage of sealing member, has prolonged the life of equipment.

The bottom of the rotating block is integrally formed with a first stop block, and the bottom surface of the accommodating cavity is provided with a second stop block for limiting the rotation of the first stop block.

Has the advantages that: through the arrangement of the structure, the rotation range of the rotating block is limited, the rotating block moves to the limit position on one side, and then the rotating block and the motor can be correspondingly calibrated, so that the rotating block is at the initial position when being at the position, and the accurate control of the angle variable of the rotating block is achieved.

The inner wall of the accommodating cavity is provided with a limiting part, and the sealing element is relatively static with the valve body through the limiting part.

Has the advantages that: through the setting of this structure, effectively played the effect of locking sealing member to guaranteed that the sealing member can not be in the course of the work, owing to with the friction between the commentaries on classics piece, lead to deflecting the condition that takes place the first flow crossing of shutoff, with guaranteed the flux size, with the stability that improves the product.

Drawings

FIG. 1 is a schematic diagram of an eight-way valve for cooling control thermal management;

FIG. 2 is a schematic structural diagram of an eight-way valve for cooling, controlling and managing heat with a cover removed;

FIG. 3 is a schematic perspective view of the valve body;

FIG. 4 is a top view of the valve body;

FIG. 5 is a first schematic structural diagram of a rotary block;

fig. 6 is a schematic structural diagram of a rotary block.

Detailed Description

The following is further detailed by way of specific embodiments:

the reference numbers in the drawings of the specification include: the valve comprises a valve body 1, a cover body 101, a rotating block 2, an accommodating cavity 3, a first flow passage opening 4, a splicing surface 5, a second flow passage opening 6, a flow passage 7, a first communicating groove 8, a second communicating groove 9, a partition plate 10, a partition plate 11, a sealing piece 12, a limiting part 13, a transition angle 14, a central shaft 15, a convex column 16, a driving tooth 17, a reinforcing rib 18, a tangent plane 19, a circular bead 20, a first stop block 21, a second stop block 22, a reinforcing plate 23, a first flow passage 71, a second flow passage 72, a third flow passage 73, a fourth flow passage 74, a fifth flow passage 75, a sixth flow passage 76, a seventh flow passage 77 and an eighth flow passage 78.

As shown in fig. 1 to 6, an eight-way valve for cooling control and thermal management comprises a valve body 1, a cover body 101, a driving member, and a rotating block 2 arranged in the valve body 1; the driving member includes but is not limited to a mode of a motor matching a gear or a cylinder matching a rack, in the technical scheme of the present application, the driving member is not shown, as shown in fig. 3, a cylindrical containing cavity 3 is formed in the rear side of the valve body 1 from top to bottom, the opening of the containing cavity faces upward, a cover body 101 is fixedly installed at the opening of the containing cavity through screws, a rotating block 2 is installed in the containing cavity 3 through the cover body 101, the rotating block 2 is relatively rotated in the containing cavity 3 through the driving member, the rotating block 2 is cylindrical, eight first flow passage openings 4 arranged in an array are formed in the inner wall of the containing cavity 3, the array has a first array direction and a second array direction, a splicing surface 5 is formed in the front side of the valve body 1, the splicing surface 5 is a plane and is used for matching with external parts to intervene in a cold and heat exchange cycle of an automobile air conditioner, eight second flow passage openings 6 are formed in the splicing surface 5, in the technical scheme of the present application, the second flow channel opening 6 is arranged in a 2 × 4 matrix, but in the actual design and manufacturing process, the position of the second flow channel opening 6 can be adaptively adjusted, and the arrangement mode of the technical scheme is used for reducing the turning angle of the fluid in the flow process, so as to reduce the flow resistance of the fluid, further, the overall volume of the product is reduced, and the exterior aesthetic feeling of the housing is increased. Eight runners 7 are formed by correspondingly communicating the first runner ports 4 and the second runner ports 6 one by one, and a first communicating groove 8 and a second communicating groove 9 are formed in the circumferential direction of the rotating block 2.

In the above structure, eight first flow channel openings 4 are arranged in a 2 × 4 matrix, the first array direction is a vertical direction, the second array direction is a circumferential direction of the inner wall of the accommodating chamber 3, as shown in the figure, two first flow channel openings 4 are arranged in the vertical direction of the

accommodating chamber

3, 4 first flow channel openings are arranged in the second array direction, 8 flow channels 7 can be divided into a first flow channel 71, a second flow channel 72, a third flow channel 73 and a fourth flow channel 74 which are positioned on the upper side in the valve body 1, a fifth flow channel 75, a sixth flow channel 76, a seventh flow channel 77 and an eighth flow channel 78 which are positioned on the lower side in the valve body 1 according to the above arrangement mode, and correspondingly, in the application technical scheme, four first connecting grooves 8 are uniformly arranged on the rotary block 2, one group of second connecting grooves 9 are arranged, two groups of second connecting grooves 9 are arranged in the vertical direction, further, a partition plate 10 is disposed between two adjacent first connecting grooves 8 or between the first connecting grooves 8 and the second connecting grooves 9, as shown from the cross section of the rotary block 2, 4 fan-shaped first connecting grooves and 1 second connecting groove 9 with a relatively larger fan-shaped angle are disposed on the circumference of the rotary block 2, the fan-shaped areas are separated by the partition plate 10 to form independent spaces, two second connecting grooves 9 are stacked in the vertical direction, the second connecting groove 9 located above is used for connecting two adjacent ones of the first flow passage 71, the second flow passage 72, the third flow passage 73 and the fourth flow passage 74, the second connecting groove 9 located below is used for connecting two adjacent ones of the fifth flow passage 75, the sixth flow passage 76, the seventh flow passage 77 and the eighth flow passage 78, specifically, the rotary block is controlled by the angular variable of the motor to achieve precise positioning of the second groove communication position, and then ensure that the rotating block has at most two flow passages communicated through the second communicating groove after rotation stopping. In the actual use process, the combination mode between the flow channel 7 and the flow channel 7 can be switched by rotating the rotating block 2, and it should be noted that when the second communicating groove 9 is only butted with a single flow channel 7, the flow channel 7 is closed.

In the above structure, the two second communication grooves 9 are separated by the partition plate 11, in order to improve the strength of the upper and lower sides of the second communication groove 9, the reinforcing plate 23 is provided in the second communication groove 9 in the horizontal direction, as shown in the figure, the two reinforcing plates 23 are provided in the upper second communication groove 9, the one reinforcing plate 23 is provided in the lower second communication groove 9, and the connecting ribs are provided between the reinforcing plate 23 and the partition plate 11 as well as between the upper and lower walls, so that the overall strength of the second communication groove 9 is enhanced by the arrangement of the structure.

Further, a gap is formed between the rotating block 2 and the accommodating cavity 3, a sealing element 12 is arranged at the gap, eight through holes are formed in the sealing element 12 corresponding to the first runner port 4, specifically, the sealing element 12 is annular, which is a preferred option in the technical scheme, the sealing element 12 is made of rubber, in the actual production process, a high polymer material and other substitutes with good sealing performance can be selected, the inner wall of the sealing element 12 is attached to the outer wall of the rotating block 2, the outer wall of the sealing element 12 is attached to the inner wall of the accommodating cavity 3, the interface between the first runner port 4 and the first communicating groove 8 and the second communicating groove 9 is sealed through the sealing element 12, further, a limiting part 13 is arranged on the inner wall of the accommodating cavity 3 in an inward extending manner, the limiting part 13 and the valve body 1 are integrally formed, a groove corresponding to the sealing element 12 is arranged on the sealing element 12, and the groove is matched with the limiting part 13, the limiting part 13 and the valve body 1 are relatively static.

It should be further noted that transition angles 14 are respectively arranged in the first communicating groove 8 and the second communicating groove 9, the flow channel 7 forms smooth transition with the first communicating groove 8 and the second communicating groove 9 through the transition angles 14, and in the first communicating groove 8, the transition angles are arranged at the corners in the first communicating groove 8, so that impact of fluid on the first communicating groove 8 can be reduced in an actual use process, and movement resistance of the fluid is reduced.

In specific structure, commentaries on classics piece 2 can be divided into body and center pin 15, relatively fixed between center pin 15 and the commentaries on classics piece 2, in this application technical scheme, for gaining in strength, change integrated into one piece between piece 2 and the center pin 15, the bottom downwardly extending of center pin 15 has can rotate the projection 16 of pegging graft in holding chamber 3 bottom, be provided with on the top outer wall of center pin 15 and drive tooth 17, the driving piece passes through gear or rack and can adopt motor and cylinder to drive tooth 17 respectively and drive center pin 15 and carry out the rotation of accurate angular variation in holding chamber 3.

It should be noted that, the baffle 10 has the strengthening rib 18 near the outside, the longitudinal section width of strengthening rib 18 equals or is greater than the longitudinal section width of baffle 10, furthermore, the outside of strengthening rib 18 is provided with two tangent planes 19, the concatenation department of two tangent planes 19 has fillet 20, laminate each other between fillet 20 and the sealing member 12, in this application technical scheme, the transversal rhombus that personally submits of strengthening rib 18, the one end and the baffle 10 integrated into one piece of rhombus, the other end is provided with fillet 20, 2 top-down of turning block runs through and is provided with the through-hole, be located the intermediate position of rhombus, in order to reduce the use of material when having guaranteed intensity, thereby reduce manufacturing cost.

The bottom of the rotating block 2 protrudes downwards to form a fan-shaped first stop block 21 in an integrated mode, a fan-shaped second stop block 22 which limits the rotation of the first stop block 21 and is arranged on the bottom surface of the accommodating cavity 3, and under the matching of the first stop block 21 and the second stop block 22, the theoretical maximum value of the variable of the rotation angle of the rotating block 2 is smaller than 360 degrees.

It is worth mentioning that, all have a large amount of fretworks on commentaries on classics piece 2 and the valve body 1, except the edge and with the junction of other parts etc. need the part on certain intensity basis, after having kept the required thickness of basic intensity, all adopted the fretwork design to distribute the netted choroid muscle of interconnect in the fretwork in order to increase intensity, through the setting of this structure, when having guaranteed bulk strength, reduced material cost.

The specific operation flow is as follows:

in practical use, taking motor driving as an example, the rotation of the motor will drive the rotation block 2 to rotate through the driving teeth 17, and the positions of the first communicating groove 8 and the second communicating groove 9 are switched through the rotation of the rotation block 2, so as to switch the communicating combination, here, taking the example that the first flow channel 71 communicates with the fifth flow channel 75, at this time, the first flow channel 71 communicates with the fifth flow channel 75 through the same first communicating groove 8, when the fluid flows into the first communicating groove 8 from the first flow channel 4 of the first flow channel 71, the fluid is deflected twice under the guidance of the transition angle 14 and then enters the first flow channel 4 of the fifth flow channel 75, so as to form a cycle, similarly, when the first flow channel 71 is connected with the second flow channel 72 through the second communicating groove 9, the fluid in the first flow channel 71 enters the second flow channel 72 after being deflected twice by the transition angle 14 in the second communicating groove 9, and after being rotated for multiple times, in order to avoid the position deviation between the motor and the rotating block 2, which results in inaccurate positioning of the rotating block 2, the motor can rotate to a limit position in one direction, the rotating block 2 is stopped under the combined action of the first stop block 21 and the second stop block 22, the rotating block is the rotation limit angle of the rotating block, the position is used as a calibration reference position, the motor is calibrated, and the rotating accuracy of the rotating block 2 can be ensured.

In the above description, a plurality of combination modes are mentioned, and here, for example, a combination mode of communicating the flow passages 7 commonly used in automobiles is concentrated, in the first scheme, when the second communicating groove 9 on the rotating block 2 rotates to communicate the first flow passage and the second flow passage, the fifth flow passage and the sixth flow passage which are correspondingly arranged up and down are communicated, the third flow passage and the seventh flow passage which are arranged up and down are communicated, and the fourth flow passage and the eighth flow passage are communicated; when a second communicating groove 9 on the rotating block 2 moves to the second and third flow channels to be communicated, the sixth and seventh flow channels are communicated, the first and fifth flow channels are communicated, and the fourth and eighth flow channels are communicated; when the second communicating groove 9 on the upper side of the rotating block 2 is only communicated with the fourth flow channel 74, the fourth flow channel 74 is closed, the corresponding eighth flow channel 78 is closed, the first flow channel and the fifth flow channel are communicated, the second flow channel and the sixth flow channel are communicated, and the third flow channel and the seventh flow channel are communicated; by analogy, various combination modes can be obtained in the same way.

The above are merely examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become barriers to the implementation of the present invention by those skilled in the art in light of the teaching provided in the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. An eight-way valve for cooling control and heat management comprises a valve body (1), a driving piece and a rotating block (2) arranged in the valve body (1); the method is characterized in that: seted up on valve body (1) and held chamber (3), it connects in holding chamber (3) to change piece (2) to rotate through the driving piece, eight first flow channel mouth (4) that are the array and arrange are seted up on the inner wall that holds chamber (3), the array has first array orientation and second array orientation, one side of valve body (1) has concatenation face (5), be provided with eight second flow channel mouth (6) on concatenation face (5), one-to-one intercommunication forms eight runners (7) between first flow channel mouth (4) and second flow channel mouth (6), first intercommunication groove (8) and second intercommunication groove (9) have been seted up to the week of changing piece (2), communicate each other through first intercommunication groove (8) between two adjacent runners (7) in the first array orientation, communicate each other through second intercommunication groove (9) between two adjacent runners (7) in the second array orientation.

2. The eight-way valve for cooling control thermal management of claim 1, wherein: the eight first flow channel openings (4) are arranged in a matrix of 2 x 4, two first air holes are formed in the first array direction, at least four first connecting grooves (8) are formed, at least one group of second connecting grooves (9) is formed, and two second connecting grooves (9) in each group are formed in the first array direction.

3. The eight-way valve for cooling control thermal management of claim 1, wherein: the rotating block (2) and the accommodating cavity (3) are provided with a gap, a sealing element (12) is arranged at the gap, eight through holes are formed in the sealing element (12) corresponding to the first flow channel opening (4), and the interface between the first flow channel opening (4) and the first communicating groove (8) and the interface between the second communicating groove (9) are sealed through the sealing element (12).

4. The eight-way valve for cooling control thermal management of claim 1, wherein: transition angles (14) are respectively arranged in the first communicating groove (8) and the second communicating groove (9), and the flow channel (7) forms smooth transition with the first communicating groove (8) and the second communicating groove (9) through the transition angles (14).

5. The eight-way valve for cooling control thermal management of claim 1, wherein: still include center pin (15), relatively fixed between center pin (15) and commentaries on classics piece (2), the one end of center pin (15) is rotated and is connected on valve body (1), and the other end tip of center pin (15) is provided with drive tooth (17), and the driving piece drives center pin (15) through drive tooth (17) and is holding chamber (3) internal rotation.

6. The eight-way valve for cooling control thermal management of claim 3, wherein: a partition plate (10) is arranged between two adjacent first connecting grooves (8) or between the first connecting groove (8) and the second connecting groove (9), a rotating shaft end of a far rotating block (2) of the partition plate (10) is provided with a reinforcing rib (18), and the width of the longitudinal section of the reinforcing rib (18) is equal to or larger than that of the partition plate (10).

7. The eight-way valve of cooling control thermal management of claim 6, wherein: two tangent planes (19) are arranged at the rotating shaft end of the far rotating block (2) of the reinforcing rib (18), a fillet (20) is arranged at the splicing position of the two tangent planes (19), and the fillet (20) and the sealing element (12) are mutually attached.

8. The eight-way valve for cooling control thermal management of claim 1, wherein: a first stop block (21) is integrally formed at the bottom of the rotating block (2), and a second stop block (22) for limiting the rotation of the first stop block (21) is arranged on the bottom surface of the accommodating cavity (3).

9. The eight-way valve for cooling control thermal management of claim 3, wherein: the inner wall of the accommodating cavity (3) is provided with a limiting part (13), and the sealing element (12) is relatively static with the valve body (1) through the limiting part (13).