CN215524309U - Plate heat exchanger and vehicle - Google Patents

Abstract

This application is applicable to indirect heating equipment technical field, specifically provides a plate heat exchanger and vehicle, including at least a set of board heat transfer unit, board heat transfer unit is including the first plate body, second plate body and the third plate body that the stromatolite set up in proper order, and first plate body, second plate body and third plate body are the inside plate body that has the cavity, and the inner chamber of first plate body, second plate body and third plate body is used for circulating the medium that carries out the heat exchange in advance. The heat exchange plate aims to solve the technical problems that in the prior art, too many heat exchange plates are needed in the process of heating and cooling the battery, the cost is high, and the requirement on arrangement space is high.

Description

Plate heat exchanger and vehicle

Technical Field

The utility model relates to the technical field of heat exchange equipment, in particular to a plate heat exchanger and a vehicle.

Background

The battery is a commonly used power supply device, the temperature of the battery needs to be adjusted in the use process, the heat dissipation is needed when the temperature is high, the heat supplement is needed when the temperature is low, the heat absorption and the heat dissipation of the battery are realized by absorbing and supplementing heat to the battery through battery cooling liquid which is wrapped outside the battery and can circularly flow, the temperature of the battery is increased in the use process generally, the heat absorption is needed by the battery cooling liquid, and the heat supplement is needed in few cases, so the liquid which is wrapped outside the battery is generally called battery cooling liquid, and the liquid also has the effect of heating the battery, absorbs heat or supplements heat to the battery, depending on the temperature of the battery cooling liquid, the heat exchange is carried out on the battery cooling liquid through a heat exchanger, so as to realize the control of the temperature of the battery cooling liquid, and 1 plate type heat exchanger is needed when the battery cooling liquid is needed to be heated in the prior art, specifically set up 1 group's slab for the heat source side, the battery coolant liquid need set up 1 group's slab, realize the heating to the battery coolant liquid through two sets of piece contacts, when needs cool down the battery coolant liquid, need another plate heat exchanger specifically to set up 1 group's slab for the cold source side, the battery coolant liquid need set up 1 group's slab, realize the cooling to the battery coolant liquid through two sets of piece contacts, so inhale the heat dissipation process and just need 4 group's slabs altogether, the slab is many, and is with high costs, it is big to arrange the space demand.

SUMMERY OF THE UTILITY MODEL

In a first aspect, an object of the present invention is to provide a plate heat exchanger, which aims to solve the technical problems of excessive heat exchange plates, high cost and large requirement on arrangement space in the process of heating and cooling a battery in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: the plate type heat exchanger comprises at least one group of plate type heat exchange units, wherein each plate type heat exchange unit comprises a first plate body, a second plate body and a third plate body which are sequentially stacked, the first plate body is a plate body with a cavity inside, and an inner cavity of the first plate body, the second plate body and the third plate body is used for circulating media for heat exchange in advance.

In one embodiment, the cavity of the second plate is used for flowing battery cooling liquid, the cavity of the first plate is used for flowing heat medium, and the cavity of the third plate is used for flowing cold medium.

In one embodiment, the first plate, the second plate and the third plate are aligned with each other in a direction in which the stacked plates are disposed.

In one embodiment, the wall thicknesses of the first plate body, the second plate body and the third plate body are not more than 0.5mm, and the widths of the internal cavities of the first plate body, the second plate body and the third plate body in the direction of lamination arrangement are not more than 5 mm.

In one embodiment, the plate heat exchanger further includes a first liquid inlet pipe, a second liquid inlet pipe, a third liquid inlet pipe, a first liquid outlet pipe, a second liquid outlet pipe and a third liquid outlet pipe, the first liquid inlet pipe and the first liquid outlet pipe are respectively communicated with the first plate inner cavities of all the plate heat exchange units, the second liquid inlet pipe and the second liquid outlet pipe are respectively communicated with the second plate inner cavities of all the plate heat exchange units, and the third liquid inlet pipe and the third liquid outlet pipe are respectively communicated with the third plate inner cavities of all the plate heat exchange units.

In one embodiment, the first liquid inlet pipe, the second liquid inlet pipe and the third liquid inlet pipe are arranged at a first end of the plate type heat exchange unit side by side, and the first liquid outlet pipe, the second liquid outlet pipe and the third liquid outlet pipe are arranged at a second end of the plate type heat exchange unit side by side, which is far away from the first end.

In one embodiment, the first liquid inlet pipe, the second liquid inlet pipe, the third liquid inlet pipe, the first liquid outlet pipe, the second liquid outlet pipe and the third liquid outlet pipe are respectively inserted into all the plate type heat exchange units along the direction in which the first plate body, the second plate body and the third plate body are stacked.

In one embodiment, openings are formed in the first liquid inlet pipe, the second liquid inlet pipe, the third liquid inlet pipe, the first liquid outlet pipe, the second liquid outlet pipe and the third liquid outlet pipe, and the first liquid inlet pipe, the second liquid inlet pipe, the third liquid inlet pipe, the first liquid outlet pipe, the second liquid outlet pipe and the third liquid outlet pipe are respectively communicated with the corresponding plate cavities through the openings in the respective pipe bodies.

In one embodiment, the opening is an arc-shaped hole formed along the circumferential direction of the tube body.

The plate heat exchanger provided by the utility model has the beneficial effects that at least one group of plate heat exchange units are adopted in the plate heat exchanger, the first plate body, the second plate body and the third plate body are arranged in the plate heat exchange units, when the plate heat exchanger is used, battery cooling liquid can flow through the second plate body, then one of the first plate body and the third plate body is a heat medium, and the other one is a cold medium.

In another aspect, the utility model further provides a vehicle comprising a battery, wherein battery coolant of the battery is subjected to heat exchange by means of the plate heat exchanger in the above embodiment.

The battery that the vehicle has in this embodiment, with the help of plate heat exchanger carries out the heat exchange, but convenient and fast's heat exchange realizes rising temperature and cooling, battery coolant liquid only need flow in solitary plate body subassembly promptly can, reduced plate body subassembly's use, practice thrift cost and space.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a plate heat exchanger according to an embodiment of the present invention;

fig. 2 is a schematic top view of a plate heat exchanger according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line C-C of FIG. 2;

FIG. 4 is a schematic cross-sectional view taken along line D-D of FIG. 2;

fig. 5 is a schematic sectional view taken along E-E in fig. 2.

In the figure: 1. a plate heat exchange unit; 11. a first plate body; 12. a second plate body; 13. a third plate body; 21. a first liquid inlet pipe; 22. a second liquid inlet pipe; 23. a third liquid inlet pipe; 31. a first liquid outlet pipe; 32. a second liquid outlet pipe; 33. a third liquid outlet pipe; 2. and (4) opening.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 and 2, the present invention provides a specific embodiment of a plate heat exchanger, including at least one group of plate heat exchange units 1, where each plate heat exchange unit 1 includes a first plate 11, a second plate 12, and a third plate 13, which are sequentially stacked, each of the first plate 11, the second plate 12, and the third plate 13 is a plate having a cavity inside, and inner cavities of the first plate 11, the second plate 12, and the third plate 13 are used for circulating a medium for heat exchange.

In this embodiment, the first plate 11, the second plate 12, and the third plate 13 are stacked in the same direction, i.e., are lined up and arranged in a stacked manner, i.e., the first plate 11, the second plate 12, and the third plate 13 are stacked in the same direction, i.e., are stacked together, and the first plate 11 and the third plate 13 are respectively attached to two side surfaces of the second plate 12, i.e., the middle plate is respectively in contact with the plates on two sides, i.e., are stacked together. The inner cavities of the first plate body 11, the second plate body 12 and the third plate body 13 are used for circulating media for heat exchange, and the "pre" is intended, predetermined or intended meaning that the inner cavities are used for heat exchange of media intended or about to be or intended for heat exchange.

Specifically, the battery coolant surrounding the battery can flow circularly through the second plate 12, that is, in the flowing process, the battery coolant is heated or cooled when passing through the second plate 12, and is cooled or heated when continuously flowing to the battery, which is a system that flows through the second plate 12 in a reciprocating manner, one of the first plate 11 and the second plate 12 is used for circulating a heat medium, and the other one of the circulating media, that is, the heat medium and the cold medium, has an independent circulating system, and when respectively flowing to the first plate 11 and the second plate 12, the heat is transferred to the battery coolant or the heat of the battery coolant is absorbed.

It should be noted that when the heat medium is needed to circulate, the cooling medium does not participate in the circulation, and when the cooling medium is needed to circulate, the heat medium does not participate in the circulation, so that the situation that the two sides of the battery cooling liquid are respectively provided with the cooling medium and the heat medium is avoided, and therefore heat exchange cannot be achieved.

Therefore, the beneficial effects of this embodiment lie in, only set up three group's plate bodys, such setting has saved a set of plate body subassembly, can be convenient heat up and lower the temperature to the battery coolant, practiced thrift cost and space.

Specifically, when the effect of cooling or heating needs to be increased, a plurality of plate heat exchange units 1 can be arranged, four plate assemblies are adopted to perform heat exchange in the prior art, if a heat dissipation effect or a heat absorption effect is desired to be increased, four plate assemblies still need to be increased at every turn, and only three plate assemblies need to be increased at every turn in the embodiment, namely only three plates are arranged in each plate heat exchange unit 1.

Further, in the first plate body 11, the second plate body 12, and the third plate body 13 provided in this embodiment, an inner cavity of the second plate body 12 is specifically used for flowing battery coolant, an inner cavity of the first plate body 11 is used for flowing a heat medium, and an inner cavity of the third plate body 13 is used for flowing a cold medium. This embodiment provides through the realization to the battery dispel the heat or endothermic concrete implementation mode, has solved the battery and has dispelled the heat and absorb heat the technical problem that needs more plate body group spares, has practiced thrift cost and space.

As shown in fig. 1 and 2, regarding the specific arrangement form of the first plate body 11, the second plate body 12 and the third plate body 13, the present embodiment specifically provides that the first plate body 11, the second plate body 12 and the third plate body 13 are aligned with each other in the direction in which the plates are stacked.

Specifically, three plate body stromatolite sets up together, carries out the heat exchange through the contact surface, and in order to increase the effect of heat exchange, so set up specifically that three plate body are mutually aligned in the stromatolite direction, the direction that lists each other like this belongs to the contact of laminating completely, and the contact surface does not have unnecessary untouched part, can carry out the heat exchange better, has guaranteed the efficiency and the speed of heat exchange.

Further, the present embodiment further provides a preferred embodiment of thicknesses of three plate bodies, wall thicknesses of the first plate body 11, the second plate body 12, and the third plate body 13 are not greater than 0.5mm, which is equivalent to a thinner heat insulation layer, and is favorable for rapid heat exchange, widths of internal cavities of the first plate body 11, the second plate body 12, and the third plate body 13 in a stacking direction are not greater than 5mm, widths of the three in the stacking direction, that is, heights of the cavities are not greater than 5mm, if the width of the cavity of the second plate body 12 is too large, it indicates that more battery cooling fluid needs to be subjected to heat exchange, and is unfavorable for rapid temperature rise or reduction, if the width of the cavity of the first plate body 11 and the second plate body 12 is too large, there are more heat medium or cooling medium on a side away from the second plate body 12, because the distance is relatively long, it does not contribute much to heat conduction and is prone to heat loss.

As shown in fig. 1 and fig. 2, further, the plate heat exchanger further includes a first liquid inlet pipe 21, a second liquid inlet pipe 22, a third liquid inlet pipe 23, a first liquid outlet pipe 31, a second liquid outlet pipe 32, and a third liquid outlet pipe 33; the first liquid inlet pipe 21 and the first liquid outlet pipe 31 are respectively communicated with the inner cavities of the first plate bodies 11 of all the plate type heat exchange units 1, the second liquid inlet pipe 22 and the second liquid outlet pipe 32 are respectively communicated with the inner cavities of the second plate bodies 12 of all the plate type heat exchange units 1, and the third liquid inlet pipe 23 and the third liquid outlet pipe 33 are respectively communicated with the inner cavities of the third plate bodies 13 of all the plate type heat exchange units 1.

Specifically, the liquid inlet pipe provides liquid for each corresponding plate body, and includes battery coolant, refrigerant heat medium and the like, and the liquid outlet pipe flows out the liquid to participate in circulation, and because the first plate body 11, the second plate body 12 and the third plate body 13 are arranged, the present embodiment provides three liquid inlet pipes and three liquid outlet pipes which respectively correspond to inner cavities communicating the first plate body 11, the second plate body 12 and the third plate body 13. Thus, the liquid is circulated and continuously exchanges heat.

Specifically, three liquid inlet pipes are provided, and the three liquid inlet pipes are respectively communicated with the inner cavity of the first plate body 11, the inner cavity of the second plate body 12 and the inner cavity of the third plate body 13; the number of the liquid outlet pipes is three, and the three liquid outlet pipes are respectively communicated with the inner cavity of the first plate body 11, the inner cavity of the second plate body 12 and the inner cavity of the third plate body 13.

It should be noted that, when having a plurality of plate heat exchange units 1, a plurality of plate heat exchange units 1 also set up along same direction stromatolite, and all plate heat exchange units 1's first plate body 11's inner chamber all passes through first feed liquor pipe 21 feed liquor, all goes out liquid through first feed liquor pipe 21, and second plate body 12 and third plate body 13 also adopt same form with first plate body 11, have saved the quantity of each body like this, have practiced thrift the cost.

As shown in fig. 1 and fig. 2, further, three liquid inlet pipes are arranged side by side at a first end of the plate heat exchange unit 1, and three liquid outlet pipes are arranged side by side at a second end of the plate heat exchange unit 1, which is far away from the first end.

The preferred form of laying of three feed liquor pipe and three drain pipe is provided in this embodiment, and the feed liquor pipe is unified to be located one end promptly, and the drain pipe is unified to be located the other end, and liquid flows to the other end from one end like this, great increase contact time, strengthened the effect of heat transfer.

In the present embodiment, a preferred embodiment of the plate heat exchanger is provided, and the first liquid inlet pipe 21, the second liquid inlet pipe 22, the third liquid inlet pipe 23, the first liquid outlet pipe 31, the second liquid outlet pipe 32, and the third liquid outlet pipe 33 are respectively inserted into all the plate heat exchange units 1 along the stacking direction of the first plate 11, the second plate 12, and the third plate 13.

Specifically, first plate body 11, second plate body 12, third plate body 13 is the stromatolite setting, feed liquor pipe and drain pipe are pegged graft on each plate body along the direction that the stromatolite set up, when plate heat transfer unit 1 is a plurality of, a plurality of plate heat transfer unit 1 also set up along the reunion of the same direction, all plate bodies of all plate heat transfer unit 1 all set up along the reunion of a unified direction promptly, need peg graft a plurality of plate heat transfer unit 1 simultaneously this moment, can set up the hole of adaptation in advance on the plate body that needs run through, then insert feed liquor pipe and drain pipe, and be relatively sealed between the body outer wall of feed liquor pipe and drain pipe and the inner wall in hole. Thus, the inner cavities of the plurality of plate bodies can be communicated through one pipe body, and the quantity of the pipe bodies is saved.

As shown in fig. 3 to 5, further, openings 2 are respectively disposed on the first liquid inlet pipe 21, the second liquid inlet pipe 22, the third liquid inlet pipe 23, the first liquid outlet pipe 31, the second liquid outlet pipe 32, and the third liquid outlet pipe 33, and the first liquid inlet pipe 21, the second liquid inlet pipe 22, the third liquid inlet pipe 23, the first liquid outlet pipe 31, the second liquid outlet pipe 32, and the third liquid outlet pipe 33 are respectively communicated with the corresponding plate cavities through the openings 2 on the respective pipe bodies. The opening 2 is arranged on the pipe body of the first liquid inlet pipe 21, the second liquid inlet pipe 22, the third liquid inlet pipe 23, the first liquid outlet pipe 31, the second liquid outlet pipe 32 and the third liquid outlet pipe 33 which are positioned at the cavity of the plate body to be communicated with each other.

Specifically, for example, the first liquid inlet pipe 21 needs to be communicated with the inner cavities of the first plate bodies 11 of all the plate type heat exchange units 1, the opening 2 is formed in the pipe body of the first liquid inlet pipe 21 entering the inner cavities of the first plate bodies 11, and other pipe bodies also adopt the form, it should be noted that not every pipe body needs to penetrate through the plate walls of all the plate bodies, and it only needs to reach the plate body cavities needing to be communicated, and the pipe body and the plate walls of the plate bodies can not be penetrated through.

Further, the opening 2 is an arc-shaped hole formed along the circumferential direction of the liquid inlet pipe or the liquid outlet pipe. The arc-shaped holes are large in opening area, and liquid inlet and liquid outlet can be achieved from multiple positions.

In another aspect, the utility model further provides a vehicle comprising a battery, and battery coolant of the battery is subjected to heat exchange by means of the plate heat exchanger in the above embodiment.

The battery that the vehicle has in this embodiment carries out the heat exchange with the help of plate heat exchanger, but convenient and fast's heat exchange carries out, realizes rising temperature and cooling, battery coolant liquid only need flow in an solitary plate body subassembly promptly can, reduced plate body subassembly's use, practice thrift cost and space.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a plate heat exchanger, its characterized in that includes at least a set of plate heat transfer unit (1), plate heat transfer unit (1) is including first plate body (11), second plate body (12) and third plate body (13) that the stromatolite set up in proper order, first plate body (11) second plate body (12) and third plate body (13) are the inside plate body that has the cavity, first plate body (11) second plate body (12) and the inner chamber of third plate body (13) is used for the circulation to carry out the medium of heat exchange in advance.

2. A plate heat exchanger according to claim 1, characterised in that the inner space of the second plate body (12) is provided for circulation of battery coolant, the inner space of the first plate body (11) is provided for circulation of a heating medium and the inner space of the third plate body (13) is provided for circulation of a cooling medium.

3. A plate heat exchanger according to claim 1, wherein the first plate body (11), the second plate body (12) and the third plate body (13) are aligned with each other in the direction of the stack.

4. A plate heat exchanger according to claim 1, wherein the plate body wall thickness of each of the first plate body (11), the second plate body (12) and the third plate body (13) is no more than 0.5mm, and the width of the internal cavities of the first plate body (11), the second plate body (12) and the third plate body (13) in the direction of the stack arrangement is no more than 5 mm.

5. A plate heat exchanger according to any one of claims 1-4, further comprising a first liquid inlet pipe (21), a second liquid inlet pipe (22), a third liquid inlet pipe (23), a first liquid outlet pipe (31), a second liquid outlet pipe (32), and a third liquid outlet pipe (33), wherein the first liquid inlet pipe (21) and the first liquid outlet pipe (31) are respectively communicated with the inner cavities of the first plates (11) of all the plate heat exchange units (1), the second liquid inlet pipe (22) and the second liquid outlet pipe (32) are respectively communicated with the inner cavities of the second plates (12) of all the plate heat exchange units (1), and the third liquid inlet pipe (23) and the third liquid outlet pipe (33) are respectively communicated with the inner cavities of the third plates (13) of all the plate heat exchange units (1).

6. A plate heat exchanger according to claim 5, wherein the first inlet pipe (21), the second inlet pipe (22) and the third inlet pipe (23) are arranged side by side at a first end of the plate heat exchange unit (1), and the first outlet pipe (31), the second outlet pipe (32) and the third outlet pipe (33) are arranged side by side at a second end of the plate heat exchange unit, which end is far from the first end.

7. A plate heat exchanger according to claim 5, wherein the first liquid inlet pipe (21), the second liquid inlet pipe (22), the third liquid inlet pipe (23), the first liquid outlet pipe (31), the second liquid outlet pipe (32) and the third liquid outlet pipe (33) are respectively inserted into all plate heat exchange units (1) along the direction in which the first plate body (11), the second plate body (12) and the third plate body (13) are arranged in a stacked manner.

8. A plate heat exchanger according to claim 7, wherein openings (2) are provided in the first inlet pipe (21), the second inlet pipe (22), the third inlet pipe (23), the first outlet pipe (31), the second outlet pipe (32) and the third outlet pipe (33), and the first inlet pipe (21), the second inlet pipe (22), the third inlet pipe (23), the first outlet pipe (31), the second outlet pipe (32) and the third outlet pipe (33) are respectively communicated with the corresponding plate cavities through the openings (2) in the respective pipe bodies.

9. A plate heat exchanger according to claim 8, wherein the openings (2) are arc-shaped holes provided in the circumferential direction of the tube body.

10. A vehicle comprising a battery, characterized in that the battery coolant of the battery is heat exchanged by means of a plate heat exchanger according to any of claims 1-9.

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