CN111497566A - PTC heater and electric automobile - Google Patents
PTC heater and electric automobile Download PDFInfo
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- CN111497566A CN111497566A CN202010338744.XA CN202010338744A CN111497566A CN 111497566 A CN111497566 A CN 111497566A CN 202010338744 A CN202010338744 A CN 202010338744A CN 111497566 A CN111497566 A CN 111497566A
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- 238000012546 transfer Methods 0.000 claims abstract description 95
- 238000005192 partition Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The embodiment of the disclosure discloses a PTC heater with one inlet and two outlets and flow distribution and an electric automobile, comprising a heat transfer chamber, a flow distribution mechanism and a partition piece, wherein the heat transfer chamber is provided with a chamber inlet, a first chamber outlet and a second chamber outlet; the flow distribution mechanism comprises a medium inlet, a first medium outlet and a second medium outlet, and the medium inlet is communicated with the cavity inlet; the isolating piece and the flow distribution mechanism divide the heat transfer cavity into a first heat transfer cavity and a second heat transfer cavity, the outlet of the first cavity is arranged in the first heat transfer cavity, and the outlet of the second cavity is arranged in the second heat transfer cavity; the first medium outlet is communicated with the first heat transfer cavity, and the second medium outlet is communicated with the second heat transfer cavity. Based on one advance two and take flow distribution formula PTC heater and electric automobile that provide of this above-mentioned embodiment of disclosure, through set up flow distribution mechanism in heat transfer chamber for can adopt a high-power PTC heater to replace two former PTC heaters, save the arrangement space in the cabin.
Description
Technical Field
The disclosure relates to the technical field of heating equipment, in particular to a PTC heater and an electric automobile.
Background
Along with the automobile parts are more and more, the functions are more and more perfect, so the cost is gradually increased, the space occupied by the parts is gradually increased, the PTC is a product for providing heat for the vehicle, and for the electric vehicle, the battery pack and the passenger compartment need to be heated, and meanwhile, an important guarantee needs to be provided for the defrosting performance of the vehicle. The importance of which is self evident.
Most of electric automobiles in the prior art adopt two independent PTC's to heat a battery pack and a passenger compartment, but the arrangement space of the two PTC's is challenged along with the increasing compactness of the arrangement space of the compartment, and meanwhile, the more and more complex heat management on the existing automobile still needs to carry out flow regulation and control, the use of a water valve further worsens the arrangement of the compartment, so that the deterioration of the arrangement space in the compartment is effectively solved, and the electric automobile becomes a technical problem to be solved by technical personnel in the field.
The existing market mainly uses single water PTC or air PTC, and when water flow needs to be divided, a three-way valve or a proportion adjusting valve is added for regulation and control, and the product is independently fixed and independently works. Independent PTC and independent proportional valve all need independent chip and drive arrangement, fixing device, and need connect with the pipeline, and as shown in figure 1, the volume of three-way valve is very big again, and the cost stack of chip, the cost and the space of fixed knot structure all stack, occupy more cabin space.
Based on this, the prior art still remains to be improved.
Disclosure of Invention
One technical problem to be solved by the embodiments of the present disclosure is: the utility model provides a one advances two tape flow distribution formula PTC heater and electric automobile to solve the problem that the arrangement space worsens in the electric locomotive cabin of prior art.
The embodiment of the disclosure provides a one-inlet-two-outlet PTC heater with flow distribution, which comprises a heat transfer chamber, a flow distribution mechanism and a partition member, wherein,
the heat transfer chamber is provided with a chamber inlet, a first chamber outlet and a second chamber outlet;
the flow distribution mechanism comprises a medium inlet, a first medium outlet and a second medium outlet, and the medium inlet is communicated with the cavity inlet;
the isolating piece is arranged in the heat transfer cavity, is connected with the outer wall of the flow distribution mechanism, and divides the heat transfer cavity into a first heat transfer cavity and a second heat transfer cavity, an outlet of the first cavity is arranged in the first heat transfer cavity, and an outlet of the second cavity is arranged in the second heat transfer cavity;
the first medium outlet is communicated with the first heat transfer cavity, and the second medium outlet is communicated with the second heat transfer cavity.
Further, the flow distribution mechanism comprises a first arc-shaped wall and a second arc-shaped wall, the medium inlet is arranged on the first arc-shaped wall, a gap between the first arc-shaped wall and the second arc-shaped wall forms a first medium outlet and a second medium outlet, and the partition is connected with the outer wall of the second arc-shaped wall.
Further, upper and lower ends of the first and second arc-shaped walls are sealingly connected to upper and lower surfaces of the heat transfer chamber, respectively.
Further, the inner walls of the first arc-shaped wall and the second arc-shaped wall are on the same circle, a control baffle is rotatably mounted at the circle center of the first arc-shaped wall and the circle center of the second arc-shaped wall, and two ends of the control baffle are respectively and hermetically abutted against the inner walls of the first arc-shaped wall and the second arc-shaped wall.
Furthermore, a first baffle and a second baffle are arranged on the inner wall of the first arc-shaped wall, and the first baffle and the second baffle are respectively positioned at two sides of the medium inlet and used for stopping the inlet end of the control baffle.
Furthermore, a third baffle and a fourth baffle are arranged on the inner wall of the second arc-shaped wall and used for stopping the outlet end of the control baffle.
Further, the heat transfer chamber comprises an upper cover and a heat transfer groove, the upper cover is hermetically covered on the heat transfer groove, and the cavity inlet, the first cavity outlet and the second cavity outlet are respectively arranged on the wall of the heat transfer groove.
Further, the bottom ends of the first arc-shaped wall, the second arc-shaped wall and the control baffle are hermetically connected to the bottom of the heat transfer tank, and the top ends of the first arc-shaped wall, the second arc-shaped wall and the control baffle are abutted to the inner surface of the upper cover.
Furthermore, the flow distribution device also comprises a flow distribution driving mechanism, wherein an operation hole is formed in the upper cover, and the flow distribution driving mechanism penetrates through the operation hole and is connected with the center of the control baffle.
Furthermore, a first heating mechanism and a second heating mechanism are arranged in the heat transfer groove, the first heating mechanism is located in the first heat transfer cavity, and the second heating mechanism is located in the second heat transfer cavity.
Furthermore, the heat transfer tank also comprises an electrical box, wherein the first heating mechanism, the second heating mechanism and the flow distribution driving mechanism are electrically connected with the electrical box, and the electrical box is arranged on the side surface of the heat transfer tank.
Furthermore, the first heating mechanism and the second heating mechanism respectively comprise a plurality of heating strips, the heating strips are arranged in parallel and in a staggered mode, and formed gaps form a heat transfer medium flow channel.
Further, the heating device further comprises a control chip, and the control chip controls the flow distribution mechanism, the first heating mechanism and the second heating mechanism.
Further, the electric appliance box also comprises a lower cover, and the lower cover is buckled on the electric appliance box.
The embodiment of the disclosure also discloses an electric automobile adopting the one-inlet-two-outlet PTC heater with flow distribution.
Based on one advance two tape flow distribution formula PTC heater and electric automobile that provide of this disclosed above embodiment, through set up flow distribution mechanism in heat transfer chamber for can adopt a high-power PTC to replace two former PTC heaters, save the arrangement space in the cabin, when being used for the thermal management of vehicle, can realize the utilization battery electric energy of bigger efficiency, effectively improve vehicle continuation of the journey mileage.
The technical solution of the present disclosure is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a prior art three-way valve;
fig. 2 is a schematic structural view of a one-in two-out PTC heater with flow distribution according to an embodiment of the present disclosure;
FIG. 3 is a partial detail view of a one-in-two-out tape flow distribution PTC heater according to an embodiment of the present disclosure;
fig. 4 is a perspective view of a one-in-two-out PTC heater with flow distribution according to an embodiment of the present disclosure;
FIG. 5 is a front view of a one-in-two-out tape flow distribution PTC heater according to an embodiment of the present disclosure;
fig. 6 is a top view of a one in two out tape flow distribution PTC heater according to an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
It will be understood by those of skill in the art that the terms "first," "second," and the like in the embodiments of the present disclosure are used merely to distinguish one element from another, and are not intended to imply any particular technical meaning, nor is the necessary logical order between them.
It is also understood that in embodiments of the present disclosure, "a plurality" may refer to two or more and "at least one" may refer to one, two or more.
It is also to be understood that any reference to any component, data, or structure in the embodiments of the disclosure, may be generally understood as one or more, unless explicitly defined otherwise or stated otherwise.
In addition, the term "and/or" in the present disclosure is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in the present disclosure generally indicates that the former and latter associated objects are in an "or" relationship.
It should also be understood that the description of the various embodiments of the present disclosure emphasizes the differences between the various embodiments, and the same or similar parts may be referred to each other, so that the descriptions thereof are omitted for brevity.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
As shown in fig. 2, some embodiments of the present invention disclose a one-in-two-out PTC heater with flow distribution, which comprises a heat transfer chamber 4, a flow distribution mechanism 5 and a partition 6, wherein the partition 6 and the flow distribution mechanism 5 are connected together to divide the heat transfer chamber 4 into two halves, and the two halves can be set according to requirements, and can be of the same size or of one size.
Specifically, the heat transfer chamber 4 is provided with a chamber inlet 43, a first chamber outlet 44 and a second chamber outlet 45, and the chamber inlet 43 is used for the entry of the heat transfer medium; the flow distribution mechanism 5 comprises a medium inlet 54, a first medium outlet 55 and a second medium outlet 56, wherein the medium inlet 54 is communicated with the cavity inlet 43; the partition 6 is disposed in the heat transfer chamber 4, is connected to the outer wall of the flow distribution mechanism 5, and divides the heat transfer chamber 4 into a first heat transfer cavity 41 and a second heat transfer cavity 42, wherein the first cavity outlet 44 is disposed in the first heat transfer cavity 41, and the second cavity outlet 45 is disposed in the second heat transfer cavity 42; the first medium outlet 55 communicates with the first heat transfer chamber 41 and the second medium outlet 56 communicates with the second heat transfer chamber 42. After entering from the cavity inlet 43, the heat transfer medium firstly enters the medium inlet 54 of the flow distribution mechanism 5, then enters the first heat transfer cavity 41 from the first medium outlet 55 and enters the second heat transfer cavity 42 from the second medium outlet 56 according to the distribution ratio of the flow distribution mechanism 5, after heat exchange is completed in the two heat transfer cavities, the heat transfer medium/heat transfer medium flows out from the first cavity outlet 44 and the second cavity outlet 45 to complete energy charging, and then the heat transfer medium/heat transfer medium flowing out from the first medium outlet 55 and the second medium outlet 56 can be conveyed to a required position according to requirements, so that the heat transfer medium/heat transfer medium can be used as a temperature rise energy source of a battery pack and can also be used as a temperature rise energy source of a passenger compartment. The flow distribution mechanism 5 is arranged in the heat transfer chamber 4, so that the high-power PTC heater can be used for replacing two original PTC heaters, the arrangement space in the cabin is saved, and when the PTC heater is used for heat management of a vehicle, the electric energy of the battery can be utilized more efficiently, and the cruising mileage of the vehicle is effectively improved.
As shown in fig. 2 to 6, the PTC heater with one inlet and two outlets and flow distribution according to some embodiments of the present invention provides a structure and an application of a flow distribution mechanism 5, based on the above embodiments, where the flow distribution mechanism 5 includes a first arc-shaped wall 51 and a second arc-shaped wall 52, the medium inlet 54 is opened on the first arc-shaped wall 51, and enters the distribution chamber of the flow distribution mechanism 5 from the first arc-shaped wall 51, a gap between the first arc-shaped wall 51 and the second arc-shaped wall 52 forms a first medium outlet 55 and a second medium outlet 56, and the distributed fluid enters different heat transfer cavities from the two medium outlets respectively. And, the spacer 6 is connected to the outer wall of the second arc-shaped wall 52. That is, the partition member 6 is connected with the second arc-shaped wall 52 in a sealing manner to divide the heat transfer chamber 4, and the first arc-shaped wall 51 directly communicated with the cavity inlet 43 is combined to prevent the medium fluid in the first heat transfer chamber 41 and the second heat transfer chamber 42 from interfering with each other, so that the same or different heating rates can be set in the two heat transfer chambers as required, the heat transfer media with the same or different temperatures can be obtained, and the independent and accurate control of the heating temperatures at different positions can be realized.
In the one-in two-out PTC heater with flow distribution according to some embodiments of the present invention, the upper and lower ends of the first and second arc- shaped walls 51 and 52 are hermetically connected to the upper and lower surfaces of the heat transfer chamber 4, respectively. Thereby ensuring that the flow distributing means 5 has a separate distributing chamber.
In the one-inlet-two-outlet PTC heater with flow distribution disclosed in some embodiments of the present invention, the inner walls of the first arc-shaped wall 51 and the second arc-shaped wall 52 are on the same circle, and a control baffle 53 is rotatably mounted at the center of the first arc-shaped wall 51 and the second arc-shaped wall 52, and two ends of the control baffle 53 respectively and sealingly abut against the inner walls of the first arc-shaped wall 51 and the second arc-shaped wall 52. The desired adjustment of the media flow at the two media outlets can be achieved by rotating the control flap 53. In some preferred embodiments, the inner wall of the first arc-shaped wall 51 is provided with a first baffle 511 and a second baffle 512, and the first baffle 511 and the second baffle 512 are respectively positioned at two sides of the medium inlet 54 and used for stopping the inlet end of the control baffle 53. It is further preferable that the inner wall of the second arc-shaped wall 52 is provided with a third baffle 521 and a fourth baffle 522 for stopping the outlet end of the control baffle 53, as shown in fig. 3. By providing the baffle, it is possible to effectively avoid the control baffle 53 from excessively rotating. In the stop position, one of the medium outlets is closed.
In the PTC heater with one inlet and two outlet flow distribution according to some embodiments of the present invention, the heat transfer chamber 4 includes an upper cover 1 and a heat transfer tank 2, the upper cover 1 is hermetically covered on the heat transfer tank 2, and the chamber inlet 43, the first chamber outlet 44 and the second chamber outlet 45 are respectively disposed on the wall of the heat transfer tank 2. Preferably, the bottom ends of the first arc-shaped wall 51, the second arc-shaped wall 52 and the control baffle 53 are hermetically connected to the bottom of the heat transfer tank 2, and the top ends of the first arc-shaped wall 51, the second arc-shaped wall 52 and the control baffle 53 abut against the inner surface of the upper cover 1. That is, the upper cover 1, the heat transfer tank 2, the first arc-shaped wall 51 and the second arc-shaped wall 52 internally form a distribution chamber of the flow distribution mechanism 5, in which the control damper 53 performs flow distribution. In some preferred embodiments, the device further comprises a flow distribution driving mechanism 7, an operation hole is formed on the upper cover 1, and the flow distribution driving mechanism 7 passes through the operation hole and is connected with the center of the control baffle 53. In some embodiments of the present invention, the rotation of the control baffle 53 may be controlled by a chip, so as to achieve accurate control of the distribution ratio, and the flow distribution driving mechanism 7 may be a motor, and the rotation of the control baffle 53 of the flow distribution mechanism 5 is driven by the rotation of the control motor.
In the PTC heater with one inlet and two outlets and flow distribution according to some embodiments of the present invention, a first heating mechanism and a second heating mechanism are disposed in the heat transfer tank 2, the first heating mechanism is disposed in the first heat transfer chamber 41, and the second heating mechanism is disposed in the second heat transfer chamber 42. The electric appliance box can also comprise an electric appliance box, wherein the first heating mechanism, the second heating mechanism and the flow distribution driving mechanism are electrically connected with the electric appliance box, and the electric appliance box is arranged at the lower end of the heat transfer groove 2 and can lead out a high-voltage interface 9 and a low-voltage interface 8 at one side. The lower cover 3 can be buckled on the electric appliance box.
In the PTC heater with one inlet and two outlets and flow distribution according to some embodiments of the present invention, each of the first heating mechanism and the second heating mechanism includes a plurality of heating strips, the plurality of heating strips are arranged in parallel and in a staggered manner, and a gap formed between the plurality of heating strips forms a heat transfer medium flow channel. Each heating strip may comprise a PTC electrical heater core, and the inside of the partition 6 may also be provided with a PTC electrical heater core for simultaneously providing heat to the first heat transfer chamber 41 and the second heat transfer chamber 42.
The invention discloses a PTC heater with flow distribution in and out, which comprises a flow distribution mechanism, a proportional valve, a first heating mechanism, a second heating mechanism, a flow distribution driving mechanism, a control chip, a proportional valve, a heating and flow distribution driving mechanism, wherein the control chip of the heating and flow distribution driving mechanism can be manufactured on one chip, the chip is compatible with the control and communication functions of the PTC heater and the proportional valve during design, the proportional valve is fixed on a heat transfer tank, the heat transfer tank is provided with an installation space of the flow distribution mechanism, the high integration of products is realized, only the original fixed structure of the PTC heater is reserved in a machine room, the high integration of the products is realized, compared with the traditional single fixed mode, a middle connecting pipeline can be saved, one chip is saved, the original installation support of a three-way proportional valve is saved, the overall cost is reduced by about 60 yuan, the space is saved by about 1L, the flow distribution of a water inlet is adjusted by adjusting the rotation angle of a control baffle plate of the flow distribution mechanism, thereby adjusting the flow of two outlets, the heating power can be added, the combined adjustment of the flow and the heating power can be achieved, the optimal.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A PTC heater with one inlet and two outlets and flow distribution is characterized in that the PTC heater comprises a heat transfer chamber, a flow distribution mechanism and a partition, wherein,
the heat transfer chamber is provided with a chamber inlet, a first chamber outlet and a second chamber outlet;
the flow distribution mechanism comprises a medium inlet, a first medium outlet and a second medium outlet, and the medium inlet is communicated with the cavity inlet;
the isolating piece is arranged in the heat transfer cavity, is connected with the outer wall of the flow distribution mechanism, and divides the heat transfer cavity into a first heat transfer cavity and a second heat transfer cavity, an outlet of the first cavity is arranged in the first heat transfer cavity, and an outlet of the second cavity is arranged in the second heat transfer cavity;
the first medium outlet is communicated with the first heat transfer cavity, and the second medium outlet is communicated with the second heat transfer cavity.
2. A one-in-two-out tape flow distributing PTC heater according to claim 1, wherein the flow distributing mechanism comprises a first arc-shaped wall, a second arc-shaped wall, the medium inlet opening is provided on the first arc-shaped wall, a gap between the first arc-shaped wall and the second arc-shaped wall forms a first medium outlet and a second medium outlet, and the partition connects an outer wall of the second arc-shaped wall.
3. A one-in-two-out tape flow distribution PTC heater according to claim 2, wherein the upper ends of the first and second curved walls sealingly connect to the upper surface of the heat transfer chamber, and the lower ends of the first and second curved walls sealingly connect to the lower surface of the heat transfer chamber.
4. A one-in-two-out tape flow distribution type PTC heater according to claim 2 or 3, wherein the inner walls of the first and second arc-shaped walls are on the same circle, and a control flap is rotatably mounted at the center of the circle of the first and second arc-shaped walls, and both ends of the control flap sealingly abut the inner walls of the first and second arc-shaped walls, respectively.
5. A one-in-two-out tape flow distributing PTC heater according to claim 4, wherein a first baffle and a second baffle are provided on the inner wall of the first arc-shaped wall, the first baffle and the second baffle being located on both sides of the medium inlet respectively for stopping the inlet end of the control baffle.
6. A one-in-two-out tape flow distribution PTC heater according to claim 5, wherein a third baffle and a fourth baffle are disposed on the inner wall of said second curved wall for stopping the outlet end of said control baffle.
7. The one-in two-out tape flow distribution PTC heater of claim 4, wherein the heat transfer chamber comprises an upper cover and a heat transfer slot, the upper cover sealingly covers the heat transfer slot, and the chamber inlet, the first chamber outlet and the second chamber outlet are respectively disposed on a wall of the heat transfer slot.
8. A one in two out tape flow distributing PTC heater according to claim 7, wherein the bottom ends of the first curved wall, the second curved wall and the control flapper are sealingly connected to the bottom of the heat transfer tank, and the top ends of the first curved wall, the second curved wall and the control flapper abut the inner surface of the upper cover.
9. A one-in two-out tape flow distribution type PTC heater according to claim 7, further comprising a flow distribution driving mechanism, wherein the upper cover is provided with an operation hole, and the flow distribution driving mechanism passes through the operation hole and connects to the center of the control baffle.
10. An electric vehicle comprising a one-in two-out PTC heater with flow distribution according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010338744.XA CN111497566A (en) | 2020-04-26 | 2020-04-26 | PTC heater and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010338744.XA CN111497566A (en) | 2020-04-26 | 2020-04-26 | PTC heater and electric automobile |
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| Publication Number | Publication Date |
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| CN111497566A true CN111497566A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010338744.XA Pending CN111497566A (en) | 2020-04-26 | 2020-04-26 | PTC heater and electric automobile |
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| CN (1) | CN111497566A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179588A (en) * | 2021-11-30 | 2022-03-15 | 莱顿汽车部件（苏州）有限公司 | Heat management system of new energy automobile |
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| CN2169003Y (en) * | 1993-05-19 | 1994-06-15 | 石文星 | Mixing and distributing valve |
| US20150375600A1 (en) * | 2013-02-28 | 2015-12-31 | Valeo Systemes Thermiques | Electric heater for vehicle heating circuit |
| CN110440062A (en) * | 2019-08-08 | 2019-11-12 | 广东美的暖通设备有限公司 | Connecting pipe component, heat exchanger, refrigeration system and air conditioner |
| CN212529248U (en) * | 2020-04-26 | 2021-02-12 | 智车优行科技（上海）有限公司 | PTC heater and electric automobile |
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| CN2169003Y (en) * | 1993-05-19 | 1994-06-15 | 石文星 | Mixing and distributing valve |
| US20150375600A1 (en) * | 2013-02-28 | 2015-12-31 | Valeo Systemes Thermiques | Electric heater for vehicle heating circuit |
| CN110440062A (en) * | 2019-08-08 | 2019-11-12 | 广东美的暖通设备有限公司 | Connecting pipe component, heat exchanger, refrigeration system and air conditioner |
| CN212529248U (en) * | 2020-04-26 | 2021-02-12 | 智车优行科技（上海）有限公司 | PTC heater and electric automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179588A (en) * | 2021-11-30 | 2022-03-15 | 莱顿汽车部件（苏州）有限公司 | Heat management system of new energy automobile |
| CN114179588B (en) * | 2021-11-30 | 2023-08-18 | 莱顿汽车部件（苏州）有限公司 | Heat management system of new energy automobile |
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