CN217985433U

CN217985433U - Heating device

Info

Publication number: CN217985433U
Application number: CN202221508111.XU
Authority: CN
Inventors: 刘古月; 吴强; 王玮; 孙雨
Original assignee: Xiaogan Huagong Gaoli Electron Co Ltd
Current assignee: Xiaogan Huagong Gaoli Electron Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-12-06
Anticipated expiration: 2032-06-16

Abstract

The utility model provides a heater, including last casing, lower base and spoiler, go up casing and lower base and enclose synthetic coolant flow space, lower base is including being equipped with two coolant liquid business turn over orificial first lateral wall, the second lateral wall relative with first lateral wall, lower base is separated for two coolant liquid runners in first district and second district by the spoiler, first district and second district intercommunication, the spoiler is located on the first lateral wall and extends to the second lateral wall, the spoiler has the clearance that supplies coolant liquid to flow through with the second lateral wall within a definite time, two coolant liquid business turn over orificial and two coolant liquid runner one-to-one intercommunication, it is equipped with downward convex two sets of heating element towards lower base orientation to go up the casing, a set of heating element is located the first district and forms the first runner structure that supplies coolant liquid to pass with the interior diapire contact of first district, another set of heating element is located the second district and forms the second runner structure that supplies coolant liquid to pass with the interior diapire contact of second district.

Description

Heating device

Technical Field

The utility model relates to a heater coolant liquid runner structural design field especially relates to a heater.

Background

The PTC water heater power demand is bigger and bigger at present, PTC water heater's thermal power receives the restriction of product runner very big, the runner structure has influenced the coolant liquid and has passed through flow resistance and heat transfer ability, when heat transfer ability is low, the heat that the PTC piece gived off can not in time be taken away by the coolant liquid, thereby lead to the resistance increase of PTC piece, PTC's heating power can greatly reduced under the condition of constant voltage, product performance has been influenced, furthermore, the asymmetric runner that present PTC water heater mostly adopts, it is different because of the installation reservation environment of different motorcycle types, asymmetric runner can't adapt to the inlet outlet position of different motorcycle types, if want to adapt to the many motorcycle types of unavoidable needs new different moulds, if form symmetrical structure, water inlet and delivery port can exchange generally, the adaptation is more motorcycle types.

Therefore, there is a need to design a new PTC water heater to improve the disadvantages of the current PTC water heater.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect of prior art, provide a heater, the utility model discloses partial problem among the prior art has been solved at least.

The utility model discloses a realize like this:

the utility model provides a heater, including last casing, lower base and spoiler, go up the casing with synthetic coolant flow space is enclosed to the lower base, the lower base is including being equipped with two coolant liquid business turn over water orificial first lateral wall, the second lateral wall relative with first lateral wall, the base is separated for two coolant liquid runners in first district and second district by the spoiler down, first district with the second district intercommunication, the spoiler is located on the first lateral wall and extends to the second lateral wall, has the clearance that supplies coolant liquid to flow through between spoiler and second lateral wall, two coolant liquid business turn over water orificial and two coolant liquid runner one-to-one intercommunication, be equipped with the first guide plate of coolant liquid business turn over water pipe mouth water conservancy diversion in the first district, be equipped with the second guide plate of coolant liquid business turn over water pipe mouth water conservancy diversion in the second district, go up the casing orientation lower base orientation is equipped with downward convex two sets of heating element, and a set of heating element are located the first district and form the interior bottom wall contact of supplying coolant liquid and the interior bottom heating element that the line crossed with first district, and the second district contact and form the interior bottom wall of the second and the interior bottom of coolant liquid and the contact and form the interior bottom structure of passing.

Further, the lower base further comprises a third side wall and a fourth side wall, the first side wall and the second side wall are connected through the third side wall in the first area, the first side wall and the second side wall are connected through the fourth side wall in the second area, the third side wall and the fourth side wall are arranged oppositely, the heating assembly comprises a plurality of heating parts, the heating parts are sequentially arranged at intervals along the direction from the first side wall to the second side wall, the heating parts at two ends are connected with the spoiler along the direction from the first side wall to the second side wall, at least one heating part in the middle of the first area is connected with the third side wall, and at least one heating part in the middle of the second area is connected with the fourth side wall.

Further, the heating assembly located in the first zone and the heating assembly located in the second zone are symmetrically arranged along the spoiler.

Furthermore, the surface of the heating part is provided with a fin type heat dissipation surface.

Further, the first guide plate and the second guide plate extend towards the spoiler.

Furthermore, a plurality of first positioning grooves which are correspondingly matched with the heating component are arranged on the inner bottom wall of the lower base, and the first positioning grooves are sequentially arranged at intervals along the direction from the first side wall to the second side wall.

Furthermore, the upper shell is provided with two temperature sensors facing the lower base, the first guide plate and the second guide plate are respectively provided with a second positioning groove for the temperature sensors to extend into, and the temperature sensors are in one-to-one correspondence with the second positioning grooves.

Furthermore, an annular groove is formed in the top of the lower base, a rubber sealing ring used for sealing a flowing space of the cooling liquid is placed in the annular groove, and the rubber sealing ring is abutted to the bottom of the upper shell.

Further, the upper housing and the lower base are connected by screws.

Furthermore, the upper shell is a metal upper shell, and the lower base is a plastic lower base.

The utility model discloses following beneficial effect has:

1. the utility model discloses a go up the structure cooperation of casing and lower base, form the two-way parallel runner structure that supplies the coolant liquid to flow.

2. The finned heat dissipation surface is arranged on the heating component, so that the heat dissipation surface through which cooling liquid fluid passes is greatly increased, and the heat exchange efficiency is improved.

3. The left and right area runners are of symmetrical structures, and the water inlet and the water outlet can be interchanged and are adaptive to various vehicle types.

4. Through the position of the heating component, the different sizes and widths of the gaps of the two-way flow channels are set, so that the flow speed of the cooling liquid of the two sub-flow channels which are parallel in a certain area can be controlled to be close, and the flow is smoother.

Drawings

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

Fig. 1 is a schematic view of a flow channel structure of a heater according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a flow direction of a coolant of a heater according to an embodiment of the present invention;

fig. 3 is a schematic view of an upper housing according to an embodiment of the present invention;

fig. 4 is a schematic view of a lower base according to an embodiment of the present invention;

fig. 5 is a schematic view of a heater according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and 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 therefore, are not to be construed as limiting the present invention.

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 otherwise specified.

Referring to fig. 1 to 5, an embodiment of the present invention provides a heater, specifically a PTC water heater, including an upper casing 1, a lower base 3 and a spoiler 7, where the upper casing 1 is a metal upper casing, the lower base 3 is a plastic lower base, the upper casing 1 and the lower base 3 enclose a coolant flowing space, the upper casing 1 and the lower base 3 are connected by screws, the lower base 3 includes a first side wall 11 having two coolant inlet and outlet ports 4, and a second side wall 12 opposite to the first side wall, the lower base 3 is divided into a first area 13 and a second area 14 by the spoiler 7, the first area 13 is communicated with the second area 14, the spoiler 7 is disposed on the first side wall 11 and extends toward the second side wall 12, have the clearance that supplies coolant liquid to flow through, two between spoiler 7 and second lateral wall 12 coolant liquid business turn over water pipe mouth 4 and two coolant liquid flow channel one-to-one intercommunication, be equipped with in the first district 13 and be the first guide plate 5 of coolant liquid business turn over water pipe mouth 4 water conservancy diversion, be equipped with in the second district 14 and be the second guide plate 6 of coolant liquid business turn over water pipe mouth 4 water conservancy diversion, first district 13 and second district 14 are two coolant liquid flow channels of two-way parallel symmetry heat transfer, and according to the motorcycle type difference, one of them is selected as the inlet tube to two coolant liquid business turn over water pipe mouth 4, and the other is the outlet pipe, and coolant liquid flows in from a coolant liquid business turn over water pipe mouth 4, flows out from another coolant liquid business turn over water pipe mouth 4, and to different motorcycle types, the adaptation type is higher.

Go up casing 1 orientation 3 direction of base is equipped with two sets of heating element 8 of downward protrusion, a set of heating element 8 is located the first district and forms the first runner structure that supplies the coolant liquid to walk with the interior diapire contact of first district, another set of heating element 8 is located the second district and forms the second runner structure that supplies the coolant liquid to walk with the interior diapire contact of second district, the coolant liquid all is the S-shaped and walks when first runner structure or second runner structure, the coolant liquid is in the clearance between two heating parts 16 and is walked and flow for coolant liquid and heating part 16 fully contact, improve heat exchange efficiency.

The lower base 3 further comprises a third side wall 17 and a fourth side wall 18, the first side wall 11 and the second side wall 12 are connected through the third side wall 17 in a first region, the first side wall 11 and the second side wall 12 are connected through the fourth side wall 18 in a second region, the third side wall 17 and the fourth side wall 18 are oppositely arranged, the heating assembly 8 comprises a plurality of heating members 16, PTC heating elements are arranged in the heating members 16, the heating members 16 are sequentially arranged at intervals along the direction from the first side wall 11 to the second side wall 12, the heating members 16 at two ends are connected with the baffle 7 along the direction from the first side wall 11 to the second side wall 12, at least one heating member 16 at the middle part of the first region is connected with the third side wall 17, at least one heating member 16 at the middle part of the second region is connected with the fourth side wall 18 to form an S-shaped flow channel structure for the cooling liquid to pass through, and the cooling liquid flows through a gap between the two heating members 16. The cooling liquid flows directionally in a flow channel structure formed by enclosing the first guide plate 5, the second guide plate 6, the spoiler 7 and the heating part 16, so that the flow resistance of the cooling liquid is reduced, and the flow of the cooling liquid is smoother. In the present embodiment, taking the first zone 13 as an example, the first zone is provided with five heating members 16, and five ends of the five heating members 16 close to the third side wall 17 and five ends close to the spoiler 7 are all arranged in an arc shape.

In this embodiment, the heating assembly 8 located in the first zone and the heating assembly 8 located in the second zone are symmetrically arranged along the spoiler 7, the spoiler 7 is disposed at the central axis of the cavity, and the water inlet and the water outlet can be interchanged to adapt to various vehicle types. The surface of the heating part 16 is provided with a fin type heat dissipation surface (a heat dissipation fin 9), so that the heat dissipation surface through which the cooling liquid fluid passes is greatly increased, and the heat exchange efficiency is improved. The first flow guiding plate 5 and the second flow guiding plate 6 both extend towards the flow blocking plate 7, so as to guide the cooling liquid towards the flow blocking plate 7, and make the cooling liquid fully contact with the heating component 16. The first guide plate and the second guide plate are provided with a sub-cooling liquid water inlet and a sub-cooling liquid water outlet, and the guiding effect of the cooling liquid is exerted.

A plurality of first positioning grooves 20 correspondingly matched with the heating component 16 are arranged on the inner bottom wall of the lower base 3, and the first positioning grooves 20 are sequentially arranged at intervals along the direction from the first side wall 11 to the second side wall 12. Go up 1 orientation 3 directions of casing still are equipped with two temperature sensor 19 down, first guide plate 5 with all be equipped with the confession on the second guide plate 6 the second constant head tank 15 that temperature sensor 19 stretched into, temperature sensor 19 with 15 one-to-one in the second constant head tank, a temperature sensor is used for detecting the coolant temperature of inflow, and another temperature sensor is used for detecting the coolant temperature of outflow, and the heater can be according to the coolant temperature adjustment heating power of inflow outflow.

An annular groove 11 is formed in the top of the lower base 3, a rubber sealing ring 2 used for sealing a flowing space of cooling liquid is placed in the annular groove 11, and the rubber sealing ring 2 is abutted to the bottom of the upper shell 1.

The utility model discloses in, through adjustment heating element position, set for the not equidimension width (set for width between two heater block 16, each heater block 16 and the width between 3 side walls of lower base) of two-way runner space 10, the velocity of flow of two steerable parallel sub-runners 21 coolant liquid is close for it is more smooth and easy to flow. Because the first and second zones are symmetrically arranged, the flow rates of the first and second zones are similar.

The utility model provides a simple to operate, the liquid flow resistance is low, and heat transfer area is big, and heat exchange efficiency is high, the better two-way parallel symmetrical heat transfer runner structure of novel PTC water heater of commonality, base 3 under casing 1, rubber seal 2 and the plastics on the heater includes the metal, and 3 one side of lower base are equipped with coolant liquid inlet pipe and coolant liquid outlet pipe, go up and are equipped with the heater block 16 of a plurality of protruding forms in the casing 1, are equipped with fin formula cooling surface (radiating fin 9) on the heater block 16, and lower base 3 is equipped with a plurality of direction muscle position boards, through threaded connection between base 3 under casing 1 and the plastics on the metal, be equipped with the recess that is used for installing rubber seal 2 under the plastics on the base 3, under the plastics base 3 and the metal casing 1 through with the cavity fluid passage that 2 pressfittings of rubber seal form an external import and export that only are equipped with behind the pressfitting, the cavity forms complete two-way parallel coolant liquid flow channel under the muscle position board effect to make the coolant liquid flow according to appointed direction, make the coolant liquid through every protruding form, through last casing and the heat transfer to realize the heating effect of coolant liquid. The utility model discloses a structure cooperation of last casing and lower base forms the two-way runner structure that supplies the coolant liquid to flow, can be to the flow of coolant liquid, reduces coolant liquid flow resistance, increases fluid heat transfer area and makes the coolant liquid obtain abundant heat transfer, improves product heating efficiency.

The heating parts are arranged in parallel and symmetrically left and right in a partitioning manner, cooling liquid flows in the space between the adjacent heating parts, and the water inlet and the water outlet can be interchanged.

The guide rib position plate comprises a flow blocking plate 7 and a flow guide plate (a first flow guide plate 5 and a second flow guide plate 6), a gap is formed between the flow guide plate and the adjacent heating component, and the flow blocking plate 7 is abutted to the side edge of the heating component. The first guide plate 5 and the second guide plate 6 are provided with a sub cooling liquid water inlet and a sub cooling liquid water outlet to play a role in guiding the cooling liquid; the spoiler 7 is arranged on the central axis of the cavity and divides the cavity into a left area flow channel and a right area flow channel through the grid.

The convex heating part is provided with a fin type heat dissipation surface, so that the heat dissipation surface through which cooling liquid fluid passes is greatly increased.

The distance and the width of the inlets of the two channels are different by setting different sizes and widths of the gaps of the two-way channels in simulation (in the prior art), so that the flow rates of the cooling liquid in the two parallel channels can be controlled to be close.

Details not described in this specification are within the skill of the art that are well known to those skilled in the art.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heater, characterized by: the upper shell and the lower base enclose a synthetic coolant flow space, the lower base comprises a first side wall and a second side wall, the first side wall is provided with two coolant water inlet and outlet pipe openings, the second side wall is opposite to the first side wall, the lower base is divided into a first area and a second area by the spoiler, the first area is communicated with the second area, the spoiler is arranged on the first side wall and extends towards the second side wall, a gap for flowing through of the coolant is formed between the spoiler and the second side wall, the coolant water inlet and outlet pipe openings are communicated with the two coolant flow passages in a one-to-one correspondence mode, a first flow guide plate for guiding the coolant water inlet and outlet pipe openings is arranged in the first area, a second flow guide plate for guiding the coolant water inlet and outlet pipe openings is arranged in the second area, two groups of heating assemblies protruding downwards are arranged in the upper shell in the direction of the lower base, one group of heating assemblies is arranged in the first area and is in contact with the inner bottom wall of the first area to form a first flow passage structure for the coolant, and the other group of heating assemblies are arranged in the second area and are in contact with the inner bottom wall of the second area to form a coolant flow passage structure.

2. The heater as claimed in claim 1, wherein: the lower base further comprises a third side wall and a fourth side wall, the first side wall is connected with the second side wall in the first area through the third side wall, the first side wall is connected with the second side wall in the second area through the fourth side wall, the third side wall and the fourth side wall are arranged oppositely, the heating assembly comprises a plurality of heating parts, each heating part is sequentially arranged at intervals along the direction from the first side wall to the second side wall, the heating parts at two ends are connected with the spoiler along the direction from the first side wall to the second side wall, at least one heating part in the middle of the first area is connected with the third side wall, and at least one heating part in the middle of the second area is connected with the fourth side wall.

3. The heater of claim 2, wherein: the heating assembly located in the first zone and the heating assembly located in the second zone are symmetrically arranged along the spoiler.

4. The heater of claim 2, wherein: and the surface of the heating component is provided with a finned heat radiating surface.

5. The heater of claim 2, wherein: the first guide plate and the second guide plate extend towards the spoiler.

6. The heater as claimed in claim 2, wherein: the inner bottom wall of the lower base is provided with a plurality of first positioning grooves correspondingly matched with the heating component, and the first positioning grooves are sequentially arranged at intervals along the direction from the first side wall to the second side wall.

7. The heater of claim 1, wherein: the upper shell body faces the lower base and is further provided with two temperature sensors, the first guide plate and the second guide plate are respectively provided with a second positioning groove for the temperature sensors to extend into, and the temperature sensors are in one-to-one correspondence with the second positioning grooves.

8. The heater as claimed in claim 1, wherein: an annular groove is formed in the top of the lower base, a rubber sealing ring used for sealing a flowing space of cooling liquid is placed in the annular groove, and the rubber sealing ring is abutted to the bottom of the upper shell.

9. The heater of claim 1, wherein: the upper shell and the lower base are connected through screws.

10. The heater of claim 1, wherein: the upper shell is a metal upper shell, and the lower base is a plastic lower base.