CN210532516U - Heating device - Google Patents
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- CN210532516U CN210532516U CN201921377033.2U CN201921377033U CN210532516U CN 210532516 U CN210532516 U CN 210532516U CN 201921377033 U CN201921377033 U CN 201921377033U CN 210532516 U CN210532516 U CN 210532516U
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Abstract
The utility model provides a heater, it includes: heating body subassembly, controller, first plug-in components, second plug-in components, inlet tube, outlet pipe, the heating body subassembly includes: the heat exchange device comprises a hollow tube body, a core body, a spiral wing plate, an electric heating film and a heating wire, wherein the hollow tube body extends lengthwise, the core body is arranged in the tube body, the spiral wing plate is positioned between the tube body and the core body, the spiral wing plate is matched with the outer wall of the core body and the inner wall of the tube body to form a heat exchange spiral flow passage, the outer wall of the tube body is provided with the electric heating film; the heat exchange spiral flow passage is provided with a first port and a second port which are opposite, the first port is communicated with the water inlet pipe, and the second port is communicated with the water outlet pipe; the first plug-in is used for connecting a first power supply for providing power for the heating main body assembly; the second plug-in is used for connecting the second power supply that provides the electrical signal to the controller. The utility model provides a heater specifically is electric heating film tubular heater, can be applicable to new energy automobile better.
Description
Technical Field
The utility model relates to a new energy automobile heating technical field especially relates to a heater.
Background
The new energy automobile refers to all other energy automobiles except gasoline and diesel engines, and can comprise a fuel cell automobile, a hybrid automobile, a hydrogen energy power automobile, a solar energy automobile and the like. The new energy automobile can gradually replace a fuel automobile due to low exhaust emission.
In order to meet the heating requirement of users in low-temperature environments, a heater is generally installed on an automobile for heating. The heater in the existing fuel automobile is mainly a fuel heater, and the working principle is as follows: firstly, the heating medium generates heat through fuel oil combustion, and then the heating medium obtains heat through heat exchange, so that the heating function is realized. The existing fuel oil heater has the problem of difficult starting because the phenomenon of wax precipitation of fuel oil is easy to occur under the low-temperature environment.
Based on the energy characteristics of new energy vehicles, most new energy vehicles are generally not equipped with fuel at present, and in addition to the defects of fuel heaters, the fuel heaters used by the original fuel vehicles also need to be gradually replaced by novel energy heaters. Therefore, the application provides a heater suitable for new energy automobile.
SUMMERY OF THE UTILITY MODEL
Based on aforementioned prior art defect, the utility model discloses embodiment provides a heater suitable for new energy automobile, especially an electrothermal film tubular heater, can satisfy great powerful user demand.
In order to achieve the above object, the present invention provides the following technical solutions.
A heater, comprising: heating body subassembly, controller, first plug-in components, second plug-in components, inlet tube, outlet pipe, the heating body subassembly includes: the heat exchange device comprises a hollow tube body, a core body and a spiral wing plate, wherein the hollow tube body extends lengthwise, the core body is arranged in the tube body, the spiral wing plate is positioned between the tube body and the core body, the spiral wing plate is matched with the outer wall of the core body and the inner wall of the tube body to form a heat exchange spiral flow passage, an electrothermal film is arranged on the outer wall of the tube body, and the electrothermal film is electrically connected with a heating lead; the heat exchange spiral flow passage is provided with a first port and a second port which are opposite, the first port is communicated with the water inlet pipe, and the second port is communicated with the water outlet pipe; the first plug-in is used for connecting a first power supply for providing heat source power for the heating main body assembly; the second plug-in is used for connecting a second power supply for providing an electric signal to the controller; the controller is electrically connected with the first plug-in unit and the second plug-in unit.
In a preferred embodiment, the number of the heat exchange spiral flow passages is two or more, and a plurality of the heat exchange spiral flow passages are arranged in parallel, and the heater further includes: the water inlet side water chamber is positioned between the first port and the water inlet pipe and is used for communicating the first port of each heat exchange spiral flow passage with the water inlet pipe; and the water outlet side water chamber is positioned between the second port and the water outlet pipe and is used for communicating the second port of each heat exchange spiral flow passage with the water outlet pipe.
In a preferred embodiment, the water chamber on the water inlet side is a hollow shell and has a first side and a second side which are opposite to each other, a first opening for arranging the water inlet pipe is formed in the middle of the first side, a second opening matched with the first port is formed in the second side, and the distances from the second openings to the first opening are equal; the water chamber at the water outlet side is a hollow shell and is provided with a third side and a fourth side which are opposite, a third opening for arranging the water outlet pipe is formed in the middle of the third side, a fourth opening matched with the second port is formed in the fourth side, and the distances from the fourth opening to the third opening are equal.
In a preferred embodiment, the controller is provided with a storage unit in which at least one of the following is stored: the working temperature range of the fluid in the heater and the highest surface temperature of the electric heating film.
In a preferred embodiment, the heater further comprises: and the temperature sensor is arranged at the second port, or the water outlet side water chamber, or the water outlet pipe and is used for collecting the temperature of the fluid heated by the heating main body component.
In a preferred embodiment, the heater further comprises: and the overtemperature sensor is electrically connected with the controller, is in contact with the electrothermal film and is used for acquiring the surface temperature of the electrothermal film.
In a preferred embodiment, the heater further comprises: and the water flow switch is electrically connected with the controller, is arranged in the heat exchange spiral flow passage or is communicated with the heat exchange spiral flow passage at the upstream or downstream position and is used for detecting whether fluid flows.
In a preferred embodiment, the heater further includes a first housing having a hollow casing extending in synchronization with the longitudinal direction, the casing integrally covers the outside of the heating main body assembly, and both ends of the casing are connected to the water inlet side chamber and the water outlet side chamber by a connecting member.
In a preferred embodiment, the first housing has a first surface and a second surface opposite to each other, and the controller, the first plug-in unit and the second plug-in unit are arranged on the outer side of the first surface.
In a preferred embodiment, the heater further comprises a second housing disposed outside the controller, the first insert, and the second housing is fixed to the first surface of the first housing by a connecting member.
Has the advantages that:
the heater provided by the utility model adopts the electric heating principle, and can be widely applied to the heating system of new energy vehicles; the device can be particularly applied to low-temperature heating of the power battery of the new energy automobile in winter, so that the power battery is ensured to be fully discharged, and the discharge capacity of the battery is provided; in addition, the method can also be applied to a heating system in an environment without fuel oil. The technology has the advantages of good reliability, no harmful gas emission, controllable heating temperature, high heating efficiency, basically no noise, convenient installation and maintenance and long service life.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. The skilled person in the art can, under the teaching of the present invention, choose various possible shapes and proportional dimensions to implement the invention according to the specific situation. In the drawings:
FIG. 1 is a front view of a heater provided in an embodiment of the present application, shown with an internal cross-sectional configuration;
FIG. 2 is a top view of a heater provided in an embodiment of the present application showing an internal cross-sectional structure;
FIG. 3 is a front view of a heating body assembly provided in an embodiment of the present application, shown with an internal cross-sectional configuration;
FIG. 4 is a top view of a heating body assembly provided in an embodiment of the present application, shown with an internal cross-sectional configuration.
Description of reference numerals:
1. a first housing;
2. heating the body assembly; 21. a water inlet pipe; 22. a water inlet side water chamber; 23. a pipe body; 24. an electrothermal film; 25. heating the wire; 26. a water outlet side water chamber; 20. a heat exchange spiral flow passage; 27. a core body; 28. a helical wing plate;
3. a first plug-in;
4. a second plug-in;
5. a controller;
6. a second housing;
7. a temperature sensor;
8. a water flow switch;
9. a water outlet pipe;
10. an overtemperature sensor.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in 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 only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The application provides a heater, specifically an electrothermal film tube heater. The electric heating film tube type heater adopts a vehicle-mounted power supply for heating and provides a heat source for a vehicle-mounted heating system. When the new energy automobile adopts the electrothermal film tube type heater, the heater adopts the electrothermal film heating tube for heating. Specifically, the electric heating film heating pipe is characterized in that an electric heating film with a heating circuit is printed outside a thin-wall stainless steel pipe, the electric heating film generates heat after the circuit is electrified, heat is conducted to the thin-wall stainless steel pipe through the electric heating film, then the stainless steel pipe conducts the heat to a liquid medium flowing in the pipe, and the liquid medium is heated.
The utility model discloses the heater that embodiment provided particularly, is an electric heat membrane tubular heater, and it can apply to in the inside heating system of new energy automobile, also can be used as the heat source in other non-fuel heating systems.
The heater provided in the specification is mainly exemplified by being applied to a new energy automobile, and other application scenarios can be adaptively replaced according to actual needs, which are not described herein one by one.
As shown in fig. 1 to 4, the heater according to an embodiment of the present invention may include: heating body subassembly 2, controller 5, first plug-in components 3, second plug-in components 4, inlet tube 21, outlet pipe 9, dustcoat subassembly. Further, the heater may further include: a temperature sensor 7, a water flow switch 8, an over-temperature sensor 10 and the like.
As shown in fig. 3 to 4, the heating main body assembly 2 in this specification mainly includes: tube 23, electrothermal film 24, heating wire 25, heat exchange spiral flow channel 20.
In this specification, the heat exchange spiral flow path 20 includes a hollow tube body 23 extending lengthwise. The central portion of the tube 23 is provided with a core 27. Helical fins 28 are provided between the core 27 and the tube 23. The helical fins 28 cooperate with the tube 23 and the core 27 to form the heat exchange helical flow passage 20. Specifically, the helical fins 28 may be integrally formed with the core 27.
The electrothermal film 24 is arranged on the outer wall of the tube body 23. The tube body 23 provided with the electrothermal film 24 forms a heating tube. Specifically, the tube 23 may be a thin-walled stainless steel tube, so as to ensure that the heat generated by the electrothermal film 24 can be better transferred to the fluid in the tube 23. The electric heating film 24 is electrically connected to the heating wire 25, and when the heating wire 25 is powered on, the heat generated by the electric heating film 24 can be conducted to the fluid flowing through the heat exchange spiral channel 20. The fluid may be mainly a liquid medium with a large specific heat capacity, for example, water, or a mixed solution of water and other substances, although the fluid may also be in other forms, and the present application is not limited in this respect.
The heat exchange spiral flow passage 20 has first and second opposite ports. When fluid flows into the first port from the water inlet pipe 21 and enters the inside of the heat exchange spiral flow passage 20, the fluid can only make spiral motion along the arrangement direction of the spiral flow passage, so that the path of the fluid flowing through the flow passage can be increased, the heat exchange time between the fluid and the inner wall of the heating pipe is delayed, and the heat exchange efficiency of heat exchange is improved.
In this specification, the number of the heat exchange spiral flow passages 20 may be one, or two or more. Specifically, the number of the heat exchange spiral flow passages 20 is matched with the function of the heater. Generally, the greater the heater power, the greater the number of heat exchange spiral flow channels 20.
In one embodiment, the number of the heat exchange spiral flow passages 20 is two or more, and the plurality of heat exchange spiral flow passages 20 are arranged in parallel, and the heater further includes: a water inlet side chamber 22 and a water outlet side chamber 26, wherein the water inlet side chamber 22 is located between the first port and the water inlet pipe 21, and is used for communicating the first port of each heat exchange spiral flow passage 20 with the water inlet pipe 21; the water outlet side water chamber 26 is located between the second port and the water outlet pipe 9, and is used for communicating the second port of each heat exchange spiral flow passage 20 with the water outlet pipe 9.
In this embodiment, the inlet side water chamber 22 is mainly used as a transitional communication member between the inlet pipe 21 and the first ports, and the fluid flowing in the inlet pipe 21 is uniformly distributed to each first port. Specifically, the water inlet side water chamber 22 is a hollow shell and has a first side and a second side which are opposite to each other, a first opening hole for the water inlet pipe 21 is formed in the middle of the first side, and a second opening hole matched with the first port is formed in the second side. The second openings are equally spaced from the first openings to ensure that the fluid flowing in from the inlet pipe 21 is evenly distributed to each heating pipe.
The water outlet side water chamber 26 is a hollow shell and has a third side and a fourth side opposite to each other, a third opening for arranging the water outlet pipe 9 is formed in the middle of the third side, and a fourth opening matched with the second port is formed in the fourth side. The distances from the fourth openings to the third openings are equal, so that the fluid flowing out of the second port can uniformly flow into the water outlet pipe 9 and then flow out.
In the present description, the first insert 3 is embodied as a high voltage insert for connecting a first power source for providing power to the heating body assembly 2. The first power supply is a high-voltage power supply, and specifically can be a vehicle-mounted high-voltage power supply. When the electric heater is used, the high-voltage plug-in is butted with a vehicle-mounted high-voltage power supply to provide electric power for a heater heat source.
In the present description, the second card 4 is embodied as a low-voltage card for connecting to a second power supply for supplying an electrical signal to the controller 5. The second power supply is a low-voltage power supply, and specifically can be a vehicle-mounted low-voltage power supply. When in use, the low-voltage plug-in is butted with a vehicle-mounted low-voltage power supply and provides an electric signal for the controller 5.
The controller 5 controls the high-voltage power supply to be communicated with or disconnected from the heating main body assembly 2, so that the heating main body assembly 2 works to generate temperature rise for heating. The controller 5 controls the low-voltage power supply signal to be distributed to the temperature sensor 7, the water flow switch 8 and the over-temperature sensor 10, and then the low-voltage power supply signal is fed back to the controller 5, so that the parameters and functions of the heater are effectively controlled, and the reliability of the electric heating film 24 heat pipe heater is ensured.
In one embodiment, the controller 5 is provided with a storage unit in which at least one of the following is stored: the temperature range in which the fluid in the heater operates, and the maximum surface temperature of the electrothermal film 24.
In this specification, in order to control the temperature of the fluid heated by the heating body assembly 2 within a reasonable temperature range, the heater may further include: and the temperature sensor 7 is electrically connected with the controller 5. The temperature sensor 7 is used for collecting the temperature of the fluid heated by the heating main body component 2. Specifically, the temperature sensor 7 may be disposed at the second port, or the outlet side water chamber 26, or the outlet pipe 9. Of course, the temperature sensor 7 is not excluded from being located in the downstream pipeline of the water outlet pipe 9, as long as the temperature of the heated fluid can be detected.
In the present embodiment, the water temperature is monitored in real time by providing the temperature sensor 7. When the working temperature range of the fluid stored in the storage unit is adjusted, the intelligent control is realized by the cooperation of the controller 5, the temperature of the fluid heated by the heating grabbing group price can be controlled within the set temperature range, and therefore different temperature requirements of different users can be met.
The controller 5 may receive the temperature setting signal of the user in a wired or wireless manner, for example, the controller 5 may establish communication with a control panel or a mobile phone of the user, and when the user inputs the temperature requirement, the temperature requirement may be stored in the storage unit.
In this specification, in order to prevent the over-temperature phenomenon of the electric heating film 24 during operation, the heater may further include: and the overtemperature sensor 10 is electrically connected with the controller 5. The overtemperature sensor 10 is in contact with the electrothermal film 24 and is used for acquiring the surface temperature of the electrothermal film 24. When the overtemperature sensor 10 detects an overtemperature signal of the electrothermal film 24, the controller 5 can control the heating main body component 2 to stop heating.
In one embodiment, in order to prevent the fluid in the heating body assembly 2 from flowing, the electric heating film 24 is electrically heated, so that the over-temperature phenomenon occurs, the heater may further include: and the water flow switch 8 is electrically connected with the controller 5. Specifically, the water flow switch 8 is disposed in the heat exchange spiral flow passage 20, or at an upstream or downstream position communicating with the heat exchange spiral flow passage 20, and is used for detecting whether a fluid flows. When the electric heating film is used specifically, if the flowing of a liquid medium is detected, the water flow switch 8 provides a detected signal for the controller 5, and the controller 5 controls the electric heating film 24 to be electrified and heated; on the contrary, the water flow switch 8 does not detect the flowing liquid medium, then the controller 5 powers off the electric heating film 24, prevents the electric heating film 24 from heating under the condition that the liquid medium does not flow, and plays a role in safety protection.
In one embodiment, the heater may further comprise a first housing 1. The first housing 1 has a hollow shell extending in the longitudinal direction, the shell covers the outside of the heating main body assembly 2, and the two ends of the shell are connected to the water inlet side chamber 22 and the water outlet side chamber 26 through connectors.
In the present embodiment, the first housing 1 is provided to cover the outside of the heating body unit 2. The first housing 1 has opposing first and second surfaces. The first surface is provided with an opening for leading out a heating wire 25. The outer side of the first surface is used for arranging the controller 5, the first plug-in unit 3 and the second plug-in unit 4.
Further, the heater may further include: a second housing 6, wherein the second housing 6 is disposed outside the controller 5, the first card 3, and the second card 4, and the second housing 6 is fixed to the first surface of the first housing 1 by a connector. Wherein, the connecting piece can be in the form of screws and the like and is connected in a detachable mode.
On the whole, the utility model provides a novel heater, when it is used in the new forms of energy car to the electric heat membrane 24 heating of 23 external applications of body is passed through to automobile-used DC power supply, and liquid medium flows through the heating pipe and carries out the heat exchange, and concrete heat transfer process is as follows: the liquid medium enters the water chamber 22 at the water inlet side from the water inlet pipe 21 at the left side, then passes through the heat exchange spiral flow channel 20, the heat generated by heating the electric heating film 24 is conducted to the liquid medium through the pipe wall of the pipe body 23 at the section to realize heat exchange, the liquid medium is heated, then the heated liquid medium flows through the water chamber 26 at the water outlet side and flows out of the heating main body assembly 2, and therefore the heat is transmitted to a heat dissipation system through the liquid medium.
Further, to the embodiment that is provided with water flow switch 8, after the liquid medium after the heating flows out heating main part subassembly 2, can flow through water flow switch 8, under water flow switch 8 open mode, liquid medium gets into outlet pipe 9, flows into the heating system pipeline, provides the heat source for heating system to realize heating in the car, guarantee winter vehicle internal environment temperature's affairs, improve passenger's travelling comfort.
The heater provided by the specification is particularly an electrothermal film tube type heater which is generally suitable for horizontal placement (horizontal water inlet and outlet), and has generally higher power of more than 7 KW.
Overall, the heater that this application provided has following technological effect:
1) the heating source adopting electric heating is solved, and zero emission is realized.
2) Adopt electric heat membrane tubular heating structure, electric heat membrane tubular is inside to adopt spiral runner, has prolonged the route that the heating fluid medium flows through the heating tube inside, has prolonged the heat exchange time of liquid medium and heating pipe inner arm, improves heat exchange efficiency.
3) The structure form of the integral heating component is adopted, and according to different heating power, the water chamber structures at two ends of the heating pipe are adopted, so that a plurality of heating pipes can be connected in parallel.
4) Has the overheating safety protection function: the outer surface of the electrothermal film 24 adopts the overtemperature sensor 10 to acquire the surface temperature of the electrothermal film 24, exceeds the safe set temperature of the electrothermal film 24, and controls the automatic power-off of the electrothermal film 24.
5) Has the protection function of no heating medium flow: the water gap of the heater is connected with the water flow switch 8 in series, and the electrothermal film 24 can be controlled to be electrified only when the liquid medium flows, so that the electrothermal film 24 is ensured to be in a power-off and non-heating state when the heater has no liquid medium or the medium does not flow.
6) The water temperature can be monitored in real time, and the controller 5 can perform intelligent control; and setting the water temperature control range according to different temperature requirements.
7) The problem of the fuel heater start difficulty under low temperature environment is solved, and this technical scheme can normally start under low temperature environment.
8) Because the electric coating heating is adopted, the noise is very low and almost no noise exists.
The heater provided by the utility model adopts the electric heating principle, and can be widely applied to the heating system of new energy vehicles; the device can be particularly applied to low-temperature heating of the power battery of the new energy automobile in winter, so that the power battery is ensured to be fully discharged, and the discharge capacity of the battery is provided; in addition, the method can also be applied to a heating system in an environment without fuel oil. The technology has the advantages of good reliability, no harmful gas emission, controllable heating temperature, high heating efficiency, basically no noise, convenient installation and maintenance and long service life.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of the subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicants be construed as having contemplated such subject matter as being part of the disclosed subject matter.
Claims (10)
1. A heater, comprising: a heating main body component, a controller, a first plug-in unit, a second plug-in unit, a water inlet pipe and a water outlet pipe,
the heating body assembly includes: the heat exchange device comprises a hollow tube body, a core body and a spiral wing plate, wherein the hollow tube body extends lengthwise, the core body is arranged in the tube body, the spiral wing plate is positioned between the tube body and the core body, the spiral wing plate is matched with the outer wall of the core body and the inner wall of the tube body to form a heat exchange spiral flow passage, an electrothermal film is arranged on the outer wall of the tube body, and the electrothermal film is electrically connected with a heating lead; the heat exchange spiral flow passage is provided with a first port and a second port which are opposite, the first port is communicated with the water inlet pipe, and the second port is communicated with the water outlet pipe;
the first plug-in is used for connecting a first power supply for providing heat source power for the heating main body assembly;
the second plug-in is used for connecting a second power supply for providing an electric signal to the controller;
the controller is electrically connected with the first plug-in unit and the second plug-in unit.
2. The heater as claimed in claim 1, wherein the number of the heat exchange spiral flow paths is two or more, and a plurality of the heat exchange spiral flow paths are arranged in parallel, the heater further comprising: the water inlet side water chamber is positioned between the first port and the water inlet pipe and is used for communicating the first port of each heat exchange spiral flow passage with the water inlet pipe; and the water outlet side water chamber is positioned between the second port and the water outlet pipe and is used for communicating the second port of each heat exchange spiral flow passage with the water outlet pipe.
3. The heater according to claim 2, wherein the inlet side water chamber is a hollow shell having a first side and a second side opposite to each other, a first opening for the inlet pipe is formed in the middle of the first side, a second opening matched with the first port is formed in the second side, and the distances from the second openings to the first opening are equal;
the water chamber at the water outlet side is a hollow shell and is provided with a third side and a fourth side which are opposite, a third opening for arranging the water outlet pipe is formed in the middle of the third side, a fourth opening matched with the second port is formed in the fourth side, and the distances from the fourth opening to the third opening are equal.
4. The heater according to claim 2, wherein the controller is provided with a storage unit in which at least one of the following is stored: the working temperature range of the fluid in the heater and the highest surface temperature of the electric heating film.
5. The heater of claim 4, further comprising: and the temperature sensor is arranged at the second port, or the water outlet side water chamber, or the water outlet pipe and is used for collecting the temperature of the fluid heated by the heating main body component.
6. The heater of claim 4, further comprising: and the overtemperature sensor is electrically connected with the controller, is in contact with the electrothermal film and is used for acquiring the surface temperature of the electrothermal film.
7. The heater of claim 1, further comprising: and the water flow switch is electrically connected with the controller, is arranged in the heat exchange spiral flow passage or is communicated with the heat exchange spiral flow passage at the upstream or downstream position and is used for detecting whether fluid flows.
8. The heater according to claim 2, further comprising a first housing having a hollow shell extending in synchronization with the longitudinal direction, the shell being integrally covered outside the heating body assembly, both ends of the shell being connected to the inlet side water chamber and the outlet side water chamber by connecting members.
9. The heater of claim 8, wherein said first housing has first and second opposed surfaces, an outer side of said first surface being for positioning said controller, said first insert, and said second insert.
10. The heater of claim 9, further comprising: the second outer cover is arranged outside the controller, the first plug-in unit and the second plug-in unit, and the second outer cover is fixed on the first surface of the first outer cover through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377033.2U CN210532516U (en) | 2019-08-23 | 2019-08-23 | Heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377033.2U CN210532516U (en) | 2019-08-23 | 2019-08-23 | Heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210532516U true CN210532516U (en) | 2020-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921377033.2U Active CN210532516U (en) | 2019-08-23 | 2019-08-23 | Heating device |
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| CN (1) | CN210532516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091924A (en) * | 2022-08-11 | 2022-09-23 | 江阴市辉龙电热电器有限公司 | Structure of electric heater for electric automobile |
-
2019
- 2019-08-23 CN CN201921377033.2U patent/CN210532516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115091924A (en) * | 2022-08-11 | 2022-09-23 | 江阴市辉龙电热电器有限公司 | Structure of electric heater for electric automobile |
| CN115091924B (en) * | 2022-08-11 | 2023-10-20 | 江阴市辉龙电热电器有限公司 | Structure of electric heater for electric automobile |
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