CN210663331U - Hydrothermal electric heater device - Google Patents
Hydrothermal electric heater device Download PDFInfo
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- CN210663331U CN210663331U CN201921011450.5U CN201921011450U CN210663331U CN 210663331 U CN210663331 U CN 210663331U CN 201921011450 U CN201921011450 U CN 201921011450U CN 210663331 U CN210663331 U CN 210663331U
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- heating core
- circuit board
- control circuit
- electric heater
- water inlet
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Abstract
The utility model relates to a hydrothermal electric heater device, which comprises a heating core body, a control circuit board, a rear cover and a shell; the heating core comprises a water inlet and a water outlet, the water inlet and the water outlet are arranged on one side of the heating core side by side, and the control circuit board is connected with one side of the heating core, which is far away from the water inlet and the water outlet; the rear cover is connected with the shell to form a cavity; the heating core is arranged in the cavity. The flying wire connection of the prior art is cancelled, the control circuit board is connected with the heating core body through the grouping circuit board, the circuit board is concise and attractive, the problem of wire breakage or poor contact can not occur in the using process, and the practicability is higher.
Description
Technical Field
The utility model relates to a heater field particularly, relates to a hydrothermal electric heater device.
Background
The heater generates heat under voltage through PTC (ceramic wafer), the heat is transferred to the cooling liquid of the vehicle-mounted system, and the cooling liquid heats the passenger compartment or the battery of the electric vehicle through the heater of the traditional air conditioning box.
Generally, the electric water heating heaters with power exceeding 3kw all need to group the PTC components, and the grouping is beneficial for the precise control of the water temperature by the heaters. In the prior art, the PTC component in the heating core body is connected with the control circuit board in a flying wire connection mode, the practicability of the mode is not high, the phenomena of wire breakage or poor contact and the like are easy to occur in the using process, and the flying wire mode connection looks not beautiful in view.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an embodiment of the present invention provides an electric water heater device.
The embodiment of the utility model provides a hydrothermal electric heater device, the device includes heating core, control circuit board, back lid and casing;
the heating core body comprises a water inlet and a water outlet, the water inlet and the water outlet are arranged on one side of the heating core body side by side, and the control circuit board is connected with one side of the heating core body, which is far away from the water inlet and the water outlet;
the rear cover is connected with the shell to form a cavity;
the heating core is disposed within the cavity.
Specifically, the hydrothermal electric heater device is high in practicability, simple in structure and strong in practicability, and phenomena such as line breakage or poor contact are not prone to occurring in the using process.
Optionally, in this embodiment, the control circuit board includes an IGBT module, and the module is disposed on a side of the control circuit board close to the water inlet.
Optionally, in this embodiment, the heating core includes a PTC component and a grouping circuit board, and the grouping circuit board is disposed on a side surface of the heating core and is used for electrically connecting the PTC component and the control circuit board.
Optionally, in this embodiment, the grouped circuit board includes a plurality of electrodes, and the number of the electrodes is equal to the number of the grouped PTC assemblies plus one.
Optionally, in this embodiment, the heating core further includes a temperature sensor, a groove is formed in the outer surface of the heating core, the temperature sensor is disposed in the groove in the outer surface of the heating core, one end of the temperature sensor is connected to the collecting pipe of the water inlet or the water outlet of the heating core, and the other end of the temperature sensor is connected to the control circuit board.
Optionally, in this embodiment, the housing includes a first terminal and a second terminal, and the first terminal and the second terminal are respectively connected to the first interface and the second interface on the control circuit board.
Optionally, in this embodiment, a silicone pad is disposed on the rear cover, the rear cover is connected to the control circuit board, and the silicone pad and the IGBT are pressed against each other to fix the IGBT.
Optionally, in this embodiment, the water inlet and the water outlet outer ring are both provided with a seal ring groove, and a seal ring is placed in the seal ring groove.
Optionally, in this embodiment, the heating core is connected to the housing by bolts.
Optionally, in this embodiment, an adhesive groove is disposed on a contact surface of the rear cover and the housing, and the rear cover is connected to the housing through an adhesive.
Compared with the prior art, the embodiment of the utility model provides a following beneficial effect has:
the embodiment of the utility model relates to a hydrothermal electric heater device, which comprises a heating core body, a control circuit board, a rear cover and a shell; the heating core body comprises a water inlet and a water outlet, the water inlet and the water outlet are arranged on one side of the heating core body side by side, and the control circuit board is connected with one side of the heating core body, which is far away from the water inlet and the water outlet; the rear cover is connected with the shell to form a cavity; the heating core is disposed within the cavity. The flying wire connection in the prior art is cancelled, the control circuit board is connected with the heating core body through the grouping circuit board, the heating core body is concise and attractive, the problem of wire breakage or poor contact can not occur in the using process, and the practicability is higher.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a hydrothermal electric heater device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control circuit board according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heating core provided in an embodiment of the present invention;
fig. 4 is a cross-sectional view of a heating core provided in an embodiment of the present invention.
Icon: 1-a hydrothermal electric heater unit; 10-heating the core; 101-a water inlet; 102-a water outlet; 103-a PTC component; 104-grouped circuit boards; 105-a temperature sensor; 11-a control circuit board; 111-a first interface; 112-a second interface; 12-rear cover; 121-silica gel pad; 13-a housing; 131-a first terminal; 132-second terminal.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in 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.
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, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "first", "second", "third", etc. are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
The terms "upper", "lower", "left", "right", "inner", "outer", and the like refer to orientations or positional relationships based on the drawings, or the orientations or positional relationships that are conventionally used to place the products of the present invention, and are used 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 therefore should not be construed as limiting the present invention.
Furthermore, the terms "vertical" and the like do not require absolute perpendicularity between the components, but may be slightly inclined. Such as "vertical" merely means that the direction is relatively more vertical and does not mean that the structure must be perfectly vertical, but may be slightly inclined.
In the description of the present invention, it is also to be understood that the terms "disposed," "mounted," "connected," and the like are intended to be construed broadly unless otherwise specifically indicated and limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides an electric hydrothermal heater apparatus 1, in which the electric hydrothermal heater apparatus 1 includes a heating core 10, a control circuit board 11, a back cover 12 and a housing 13.
The heating core 10 comprises a water inlet 101 and a water outlet 102, the water inlet 101 and the water outlet 102 are arranged on one side of the heating core 10 side by side, and the control circuit board 11 is connected with one side of the heating core 10 far away from the water inlet 101 and the water outlet 102.
The rear cover 12 is connected with the housing 13 to form a cavity.
A heating core 10 is disposed within the cavity.
The water inlet 101 and the water outlet 102 form a coolant circulation loop, when the PTC assembly 103 generates heat under the action of voltage, the coolant in the heating core 10 can be heated, and the coolant circulates to heat the passenger compartment or the battery, so that the battery can work in a proper temperature environment.
Referring to fig. 2, in the present embodiment, the control circuit board 11 includes an IGBT module, and the module is disposed on a side of the control circuit board 11 close to the water inlet 101.
Because the temperature of the coolant on the side of the water inlet 101 is lower than that on the side of the water outlet 102, the IGBT module can better dissipate heat when being arranged at a position close to the side of the water inlet 101.
Referring to fig. 3 and 4, in the present embodiment, the heating core 10 further includes a PTC assembly 103 and a grouping circuit board 104, and the grouping circuit board 104 is disposed on a side surface of the heating core 10 for electrically connecting the PTC assembly 103 and the control circuit board 11.
The PTC module 103 has a plurality of electrodes, and in order to generate heat from the PTC module 103, the electrodes of the PTC module 103 need to be connected to the control circuit board 11, and the control circuit board 11 controls the PTC module 103 so that the PTC module 103 generates heat to heat the coolant. The grouping circuit board 104 is connected to the respective electrodes of the PTC components 103, and divides the PTC components 103 into a plurality of groups, and the respective electrodes are collected as a total electrode, which is connected to the control circuit board 11.
In this embodiment, the grouped circuit board 104 includes a plurality of electrodes, and the number of the electrodes is one plus the grouped number of the PTC assemblies 103.
For example, in the present embodiment, if the PTC components 103 are divided into 2 groups, the total number of electrodes of the grouped circuit boards 104 is 3; if the PTC assemblies 103 are grouped into three groups, the total number of electrodes of the grouped circuit board 104 is 4, and so on.
Fig. 3 is a schematic structural diagram of a heating core provided in an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a heating core provided in an embodiment of the present invention.
Referring to fig. 3 and 4, in the present embodiment, the heating core 10 further includes a temperature sensor 105, a groove is formed on an outer surface of the heating core 10, the temperature sensor 105 is disposed in the groove on the outer surface of the heating core 10, one end of the temperature sensor 105 is connected to a header of the water inlet 101 or the water outlet 102 of the heating core 10, and the other end of the temperature sensor 105 is connected to the control circuit board 11.
Two blind holes are dug on the pipe wall of the collecting pipe close to the water inlet 101 and the water outlet 102, one end of the temperature sensor 105 is embedded into the holes, and the other end of the temperature sensor 105 is connected with the control circuit board 11 along a groove arranged on the outer surface of the heating core body 10. Then, the gap between the temperature sensor 105 and the groove is filled with the heat-conducting silica gel, so that the temperature sensor 105 can be fixed, the heat transmission is facilitated, and the temperature acquired by the temperature sensor 105 is closer to the temperature of the cooling liquid.
In this embodiment, the housing 13 includes a first terminal 131 and a second terminal 132, and the first terminal 131 and the second terminal 132 are respectively connected to the first interface 111 and the second interface 112 on the control circuit board 11.
The first interface 111 and the second interface 112 are connected with a power supply and used for supplying power to the control circuit board 11, so that the whole hydrothermal electric heater device 1 can work normally to heat a passenger compartment or a battery.
In this embodiment, a silicone rubber pad 121 is disposed on the rear cover 12, the rear cover 12 is connected to the control circuit board 11, and the silicone rubber pad 121 and the IGBT are pressed against each other to fix the IGBT module.
In order to make the heat transfer effect of the IGBT better, a certain pressure needs to be applied to the surface of the IGBT. Be provided with silica gel pad 121 on the back lid 12, through silica gel pad 121 and IGBT's mutual extrusion, provide certain pressure for the IGBT surface for IGBT's heat transfer effect is better, can also fix IGBT simultaneously.
In addition, in this embodiment, the outer rings of the water inlet 101 and the water outlet 102 are both provided with a sealing ring groove, and a sealing ring is placed in the sealing ring groove.
The sealing ring can prevent the cooling liquid from entering the heating core body 10, and the service life of the hydrothermal electric heater device 1 is prolonged.
In the present embodiment, the heating core 10 is connected to the housing 13 by bolts.
The heating core 10 is connected to the housing 13 by bolts to prevent the coolant outside the housing 13 from entering the inside of the housing 13.
Use when through bolt and sealing washer, can avoid 13 outside coolants of casing to get into inside heating core 10, sealed effect is better, also can increase device life.
In this embodiment, an adhesive groove is provided on a contact surface of the rear cover 12 and the housing 13, and the rear cover 12 and the housing 13 are connected by adhesive.
The back cover 12 is connected with the shell 13 through viscose glue to form a cavity capable of accommodating the heating core 10, and the heating core 10 is spliced with the shell 13 and the back cover 12 to form the hydrothermal electric heater device 1.
To sum up, the embodiment of the present invention relates to a hydrothermal electric heater device 1, which comprises a heating core 10, a control circuit board 11, a rear cover 12 and a housing 13; the heating core 10 comprises a water inlet 101 and a water outlet 102, the water inlet 101 and the water outlet 102 are arranged on one side of the heating core 10 side by side, and the control circuit board 11 is connected with one side of the heating core 10 far away from the water inlet 101 and the water outlet 102; the rear cover 12 is connected with the shell 13 to form a cavity; a heating core 10 is disposed within the cavity. The flying wire connection in the prior art is cancelled, the control circuit board 11 and the heating core body 10 are connected through the grouping circuit board 104, the structure is simple and attractive, the problems of wire breakage or poor contact cannot occur in the using process, and the practicability is higher.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hydrothermal electric heater device is characterized by comprising a heating core body, a control circuit board, a rear cover and a shell;
the heating core body comprises a water inlet and a water outlet, the water inlet and the water outlet are arranged on one side of the heating core body side by side, and the control circuit board is connected with one side of the heating core body, which is far away from the water inlet and the water outlet;
the rear cover is connected with the shell to form a cavity;
the heating core is disposed within the cavity.
2. The hydrothermal electric heater apparatus of claim 1, wherein the control circuit board includes an Insulated Gate Bipolar Transistor (IGBT) module disposed on a side of the control circuit board proximate the water inlet.
3. The hydrothermal electric heater apparatus according to claim 2, wherein the heating core includes a PTC assembly and a grouping circuit board disposed at a side of the heating core for electrically connecting the PTC assembly and the control circuit board.
4. The hydrothermal electric heater apparatus according to claim 3, wherein the grouped circuit board includes a number of electrodes that is one plus the grouped number of the PTC assemblies.
5. The hydrothermal electric heater device according to claim 4, wherein the heating core further comprises a temperature sensor, a groove is formed in the outer surface of the heating core, the temperature sensor is arranged in the groove in the outer surface of the heating core, one end of the temperature sensor is connected with the collecting pipe of the water inlet or the water outlet of the heating core, and the other end of the temperature sensor is connected with the control circuit board.
6. The hydrothermal electric heater apparatus of claim 5, wherein the housing includes a first terminal and a second terminal, the first and second terminals being connected to the first and second interfaces on the control circuit board, respectively.
7. The hydrothermal electric heater device according to claim 6, wherein a silicone pad is disposed on the rear cover, the rear cover is connected to the control circuit board, and the silicone pad and the IGBT are pressed against each other to fix the IGBT.
8. The hydrothermal electric heater unit according to claim 7, wherein the outer rings of the water inlet and the water outlet are provided with sealing ring grooves, and sealing rings are placed in the sealing ring grooves.
9. The hydrothermal electric heater apparatus of claim 8, wherein the heating core is connected to the shell by bolts.
10. The hydrothermal electric heater unit according to claim 9, wherein an adhesive groove is formed on a contact surface of the rear cover and the housing, and the rear cover is connected to the housing through an adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011450.5U CN210663331U (en) | 2019-07-01 | 2019-07-01 | Hydrothermal electric heater device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011450.5U CN210663331U (en) | 2019-07-01 | 2019-07-01 | Hydrothermal electric heater device |
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| Publication Number | Publication Date |
|---|---|
| CN210663331U true CN210663331U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921011450.5U Active CN210663331U (en) | 2019-07-01 | 2019-07-01 | Hydrothermal electric heater device |
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| CN (1) | CN210663331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506192A (en) * | 2022-02-17 | 2022-05-17 | 重庆工业职业技术学院 | Hydrothermal PTC heater and control algorithm thereof |
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2019
- 2019-07-01 CN CN201921011450.5U patent/CN210663331U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506192A (en) * | 2022-02-17 | 2022-05-17 | 重庆工业职业技术学院 | Hydrothermal PTC heater and control algorithm thereof |
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Effective date of registration: 20201027 Address after: 401120, No. 2001, Golden Road, North New District, Chongqing, Yubei District Patentee after: Chongqing super force electric appliance Co.,Ltd. Address before: 400000, No. 2001, Golden Road, North New District, Chongqing, Yubei District Patentee before: CHONGQING CHAOLI HI-TECH Co.,Ltd. |