CN115195393A - Super hybrid vehicle heater - Google Patents
Super hybrid vehicle heater Download PDFInfo
- Publication number
- CN115195393A CN115195393A CN202210634429.0A CN202210634429A CN115195393A CN 115195393 A CN115195393 A CN 115195393A CN 202210634429 A CN202210634429 A CN 202210634429A CN 115195393 A CN115195393 A CN 115195393A
- Authority
- CN
- China
- Prior art keywords
- heater
- air
- way valve
- shell
- air outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 238000009413 insulation Methods 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Images
Classifications
-
- 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
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- 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
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- 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
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
-
- 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
-
- 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
- B60H1/2225—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating air
-
- 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
- B60H2001/2268—Constructional features
-
- 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
- B60H2001/2268—Constructional features
- B60H2001/2281—Air supply, exhaust systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a super hybrid vehicle heater, comprising: the cold air drainage device comprises a cold air drainage mechanism, a cache tank, a heater, a first three-way valve, a second three-way valve, a timer and a controller; the heater is symmetrically provided with an air inlet and an air outlet, and the air outlet of the heater is provided with a temperature sensor; the air outlet of the heater is respectively connected with a circulating pipe and an air outlet pipe through a first three-way valve, and the circulating pipe is communicated with the air inlet of the cache tank; the heater is provided with a spiral flow passage for preheating, an air outlet of the spiral flow passage is communicated with an air inlet of the cache tank, and an air outlet of the cache tank is communicated with an air inlet of the heater; the cold air drainage mechanism is respectively communicated with the air inlet of the preheating flow channel and the air inlet of the cache tank through a second three-way valve; the timer is used for timing the heating time of the heater; the controller is used for controlling the first three-way valve and the second three-way valve to perform coordinated action respectively according to the temperature sensor and the timer so as to realize the discharge of warm air. The invention can increase the heating stroke and improve the heat conversion efficiency.
Description
Technical Field
The invention relates to the technical field of heating equipment, in particular to a super hybrid electric vehicle heater.
Background
In winter, the vehicle needs to start warm air to warm passengers due to low outside temperature. The PTC heater is usually used for heating air in the warm air, but the heating stroke of the PTC heater is short, the temperature of the warm air is insufficient, the temperature of the warm air reaches the preset temperature in time, the surface temperature of the PTC heater is overheated, and the shell provided with the PTC heater is usually made of plastics, is easy to deform by heating and has short service life.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a super hybrid automobile heater.
The invention provides a super hybrid vehicle heater, comprising: the cold air drainage device comprises a cold air drainage mechanism, a cache tank, a heater, a temperature sensor, a first three-way valve, a second three-way valve, a circulating pipe, an air outlet pipe, a timer and a controller;
the heater comprises a shell and a plurality of fin heaters, wherein one side of the shell is provided with an air inlet, the other opposite side of the shell is provided with an air outlet, and the fin heaters are arranged in the shell in parallel;
the fin heater comprises a heating element and a heating aluminum pipe, the heating element is arranged in an inner cavity of the heating aluminum pipe, a plurality of fins are arranged on the outer wall of the heating aluminum pipe at intervals along the length direction of the heating aluminum pipe, a flow channel is formed between any two adjacent fins, and the flow direction of the flow channel is consistent with the direction from the air inlet of the shell to the air outlet of the shell;
the temperature sensor is arranged in the air outlet of the shell and used for detecting the temperature of wind in the air outlet of the shell;
an air outlet of the shell is respectively communicated with a circulating pipe and an air outlet pipe through a first three-way valve, and the circulating pipe is communicated with an air inlet of the cache tank;
the shell comprises an outer layer, a heat insulation layer and an insulation heat conduction layer which are sequentially arranged from outside to inside, a spiral flow channel is arranged between the heat insulation layer and the insulation heat conduction layer, an air outlet of the spiral flow channel is communicated with an air inlet of the cache tank, and an air outlet of the cache tank is communicated with an air inlet of the shell;
the cold air drainage mechanism is respectively communicated with the air inlet of the preheating flow channel and the air inlet of the cache tank through a second three-way valve;
the timer is used for timing the heating time of the heater; the controller is used for respectively controlling the first three-way valve and the second three-way valve to perform coordinated action according to the detection result of the temperature sensor and the timing duration of the timer so as to realize the discharge of warm air.
Preferably, in the coordination action, when the timing duration of the timer is less than the preset duration, the controller controls the second three-way valve to communicate the cold air drainage mechanism with the air inlet of the cache tank, and controls the first three-way valve to communicate the air outlet of the shell with the circulating pipe;
when the timing duration of the timer is greater than or equal to the preset duration, the controller controls the second three-way valve to communicate the cold air drainage mechanism with the air inlet of the preheating flow channel;
when the temperature detected by the temperature sensor is lower than the preset temperature, the controller controls and controls the first three-way valve to communicate the air outlet of the shell with the circulating pipe;
when the temperature detected by the temperature sensor is greater than or equal to the preset temperature, the controller controls the first three-way valve to communicate the air outlet of the shell with the air outlet pipe.
Preferably, the spiral flow channel is partitioned by a spiral partition plate which is hermetically arranged between the heat insulation layer and the insulating heat conduction layer.
Preferably, the spiral flow channel is formed by a pipe spirally arranged between the heat insulation layer and the heat conduction layer.
Preferably, a flow mixer is arranged in the buffer tank.
Preferably, a flow regulating valve is connected between the buffer tank and the air inlet.
Preferably, a flow equalization plate is provided in the housing between the air inlet and the heater.
According to the super hybrid automobile heater, cold air introduced by the cold air drainage mechanism can be preheated, mixed with hot air heated once by the fin heater and then heated by the fin heater, the heating stroke is increased, the discharged warm air reaches the preset temperature, the heat conversion efficiency is improved, and meanwhile the deformation of the outer layer of the shell can be avoided.
Drawings
Fig. 1 is a schematic diagram of electrical connection of a super hybrid vehicle heater according to the present invention.
Fig. 2 is a schematic structural diagram of a super hybrid electric vehicle heater according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and 2, the present invention provides a super hybrid vehicle heater, including: the cold air drainage device comprises a cold air drainage mechanism 1, a cache tank 2, a heater, a temperature sensor, a circulating pipe, an air outlet pipe, a first three-way valve, a second three-way valve, a timer and a controller;
the heater comprises a shell 3 and a plurality of fin heaters 5, wherein one side of the shell 3 is provided with an air inlet, the other opposite side is provided with an air outlet, and the fin heaters 5 are arranged in the shell 3 in parallel;
the shell 3 comprises an outer layer, a heat insulation layer and an insulation heat conduction layer which are sequentially arranged from outside to inside, a spiral flow channel 4 is arranged between the heat insulation layer and the insulation heat conduction layer, an air outlet of the spiral flow channel 4 is communicated with an air inlet of the cache tank 2, and an air outlet of the cache tank 2 is communicated with an air inlet of the shell 3;
an air outlet of the shell 3 is respectively communicated with a circulating pipe and an air outlet pipe through a first three-way valve, and the circulating pipe is communicated with an air inlet of the cache tank 2;
the cold air drainage mechanism 1 is respectively communicated with an air inlet of the preheating flow channel and an air inlet of the cache tank 2 through a second three-way valve;
the fin heater 5 comprises a heating element and a heating aluminum pipe, the heating element is arranged in the inner cavity of the heating aluminum pipe, a plurality of fins are arranged on the outer wall of the heating aluminum pipe at intervals along the length direction of the heating aluminum pipe, a flow channel is formed between any two adjacent fins, and the flow direction of the flow channel is consistent with the direction from the air inlet of the shell 3 to the air outlet of the shell 3;
the temperature sensor is arranged in the air outlet of the shell 3 and is used for detecting the temperature of wind in the air outlet of the shell 3;
the timer is used for timing the heating time length of the heater;
the controller is used for respectively controlling the first three-way valve and the second three-way valve to perform coordinated action according to the detection result of the temperature sensor and the timing duration of the timer so as to realize the discharge of warm air.
When the device is used, the cold air drainage mechanism introduces cold air into the spiral flow passage 4 for preheating, the preheated air enters the cache tank 2 and is mixed with hot air heated by the fin heater for one time, the mixed air enters the shell 3 and is heated by the fin heater, the temperature of the air is detected in the air outlet of the shell 3 by the temperature sensor, when the temperature of the air does not reach the preset temperature, the controller controls the first three-way valve to be communicated with the air outlet and the circulating pipe, the air enters the cache tank again through the air outlet and the circulating pipe and is ready for the next heating; when the temperature of the air reaches the preset temperature, the first three-way valve is communicated with the air outlet and the air outlet pipe, and warm air is discharged into the vehicle.
According to the invention, cold air introduced by the cold air drainage mechanism is preheated, mixed with hot air heated once by the fin heater and then heated by the fin heater, so that the heating stroke is increased, the discharged warm air reaches a preset temperature, the heat conversion efficiency is improved, and meanwhile, the deformation of the outer layer of the shell 3 can be avoided.
In a further embodiment, in the coordination action, when the timing duration of the timer is less than the preset duration, the controller controls the second three-way valve to communicate the cold air diversion mechanism 1 with the air inlet of the buffer tank 2, and controls the first three-way valve to communicate the air outlet of the housing 3 with the circulation pipe;
when the timing duration of the timer is greater than or equal to the preset duration, the controller controls the second three-way valve to communicate the cold air drainage mechanism 1 with the air inlet of the preheating flow channel;
when the temperature detected by the temperature sensor is lower than the preset temperature, the controller controls and controls the first three-way valve to communicate the air outlet of the shell 3 with the circulating pipe;
when the temperature detected by the temperature sensor is greater than or equal to the preset temperature, the controller controls the first three-way valve to communicate the air outlet of the shell 3 with the air outlet pipe.
When the heater starts to work, cold air directly enters the heater through the cache tank 2 to be heated, heated hot air enters the cache tank 2 from the air outlet and the circulating pipe to be mixed with the cold air and then enters the heater to be reheated, and the time for the surface of the heater to reach the normal working temperature can be reduced.
In one embodiment, the spiral flow channel 4 is formed by a spiral partition plate hermetically arranged between the heat insulation layer and the heat conduction layer.
In another embodiment, the spiral flow channel 4 is formed by a pipe spirally arranged between the heat insulating layer and the heat conducting insulating layer.
In this embodiment, a mixer is provided in the buffer tank 2 to improve the mixing degree of the cold air and the hot air, and improve the uniformity of the reheated air.
In this embodiment, a flow regulating valve is connected between the buffer tank 2 and the air inlet of the housing 3 to regulate the heated air speed.
In this embodiment, a flow equalizing plate is provided in the casing 3 between the air inlet of the casing 3 and the heater to reduce noise generated between the wind and the fin heater 5.
Wherein, the flow equalizing plate main part is provided with the through-hole that extends to the wind face by the face of flow equalizing including the face of flow equalizing that is located the air inlet side and the face of wind that crosses that is located the heater side on the flow equalizing plate for the air current can flow from the face of flow equalizing and pass through the wind face.
Wherein, the cold air drainage mechanism 1 is a fan or an air compressor.
In a further embodiment, a pump is connected between the circulation pipe and the buffer tank 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (7)
1. A super hybrid vehicle heater, comprising: the cold air drainage device comprises a cold air drainage mechanism (1), a cache tank (2), a heater, a temperature sensor, a circulating pipe, an air outlet pipe, a first three-way valve, a second three-way valve, a timer and a controller;
the heater comprises a shell (3) and a plurality of fin heaters (5), wherein one side of the shell (3) is provided with an air inlet, the other opposite side of the shell is provided with an air outlet, and the fin heaters (5) are arranged in the shell (3) in parallel;
the fin heater (5) comprises a heating element and a heating aluminum tube, the heating element is arranged in an inner cavity of the heating aluminum tube, a plurality of fins are arranged on the outer wall of the heating aluminum tube at intervals along the length direction of the heating aluminum tube, a flow channel is formed between any two adjacent fins, and the flow direction of the flow channel is consistent with the direction from the air inlet of the shell (3) to the air outlet of the shell (3);
the temperature sensor is arranged in the air outlet of the shell (3) and is used for detecting the temperature of air in the air outlet of the shell (3);
an air outlet of the shell (3) is respectively communicated with a circulating pipe and an air outlet pipe through a first three-way valve, and the circulating pipe is communicated with an air inlet of the cache tank (2);
the shell (3) comprises an outer layer, a heat insulation layer and an insulation heat conduction layer which are sequentially arranged from outside to inside, a spiral flow channel (4) is arranged between the heat insulation layer and the insulation heat conduction layer, a gas outlet of the spiral flow channel (4) is communicated with a gas inlet of the cache tank (2), and a gas outlet of the cache tank (2) is communicated with a gas inlet of the shell (3);
the cold air drainage mechanism (1) is respectively communicated with an air inlet of the preheating flow channel and an air inlet of the cache tank (2) through a second three-way valve;
the timer is used for timing the heating time of the heater; the controller is used for controlling the first three-way valve and the second three-way valve to perform coordinated action respectively according to the temperature sensor and the timer so as to realize the discharge of warm air.
2. The heater of claim 1, wherein in the coordination action, when the timing duration of the timer is less than the preset duration, the controller controls the second three-way valve to communicate the cold air flow guiding mechanism (1) with the air inlet of the buffer tank (2), and controls the first three-way valve to communicate the air outlet of the housing (3) with the circulation pipe;
when the timing duration of the timer is greater than or equal to the preset duration, the controller controls the second three-way valve to communicate the cold air drainage mechanism (1) with the air inlet of the preheating flow channel;
when the temperature detected by the temperature sensor is lower than the preset temperature, the controller controls and controls the first three-way valve to communicate the air outlet of the shell (3) with the circulating pipe;
when the temperature detected by the temperature sensor is greater than or equal to the preset temperature, the controller controls the first three-way valve to communicate the air outlet of the shell (3) with the air outlet pipe.
3. The heater according to claim 1, wherein the spiral flow channel (4) is formed by a spiral partition plate hermetically disposed between the heat insulation layer and the heat conduction layer.
4. The heater according to claim 1, wherein the spiral flow channel (4) is formed by a pipe spirally disposed between the heat insulating layer and the heat conducting insulating layer.
5. The heater of claim 1, wherein the buffer tank (2) is provided with a flow mixer therein.
6. The heater of claim 1, wherein a flow control valve is connected between the buffer tank (2) and the air inlet.
7. The heater according to claim 1, wherein a flow equalizer is provided in the housing (3) between the air inlet and the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634429.0A CN115195393B (en) | 2022-06-07 | 2022-06-07 | Hybrid electric vehicle heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634429.0A CN115195393B (en) | 2022-06-07 | 2022-06-07 | Hybrid electric vehicle heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115195393A true CN115195393A (en) | 2022-10-18 |
| CN115195393B CN115195393B (en) | 2024-10-01 |
Family
ID=83575647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210634429.0A Active CN115195393B (en) | 2022-06-07 | 2022-06-07 | Hybrid electric vehicle heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115195393B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012157183A1 (en) * | 2011-05-17 | 2012-11-22 | 株式会社デンソー | Air conditioning device for vehicle |
| CN104048376A (en) * | 2014-06-13 | 2014-09-17 | 廖森林 | Peltier effect environmental-friendly air conditioner |
| CN204526730U (en) * | 2015-01-22 | 2015-08-05 | 刘华军 | A kind of electric locomotive heat accumulating type heater |
| CN205185783U (en) * | 2015-11-03 | 2016-04-27 | 联合汽车电子有限公司 | Warm -air device for automobile |
| CN205510443U (en) * | 2016-02-03 | 2016-08-24 | 苏州新业电子股份有限公司 | Wing type PTC heating device |
| CN106403278A (en) * | 2016-08-31 | 2017-02-15 | 安徽省宁国市天成科技发展有限公司 | Air conditioner heater with spiral flow channel |
| CN107298004A (en) * | 2017-07-28 | 2017-10-27 | 郑州泰达精密机电有限公司 | A kind of Electric Transit automobile electric heat-storage heating equipment |
| CN208540201U (en) * | 2018-08-07 | 2019-02-22 | 江苏凯博防爆电气有限公司 | A kind of anti-explosion heater that heating effect is good |
| CN110001356A (en) * | 2019-05-17 | 2019-07-12 | 天津大学 | Electric automobile air-conditioning system based on phase-change thermal storage |
-
2022
- 2022-06-07 CN CN202210634429.0A patent/CN115195393B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012157183A1 (en) * | 2011-05-17 | 2012-11-22 | 株式会社デンソー | Air conditioning device for vehicle |
| CN104048376A (en) * | 2014-06-13 | 2014-09-17 | 廖森林 | Peltier effect environmental-friendly air conditioner |
| CN204526730U (en) * | 2015-01-22 | 2015-08-05 | 刘华军 | A kind of electric locomotive heat accumulating type heater |
| CN205185783U (en) * | 2015-11-03 | 2016-04-27 | 联合汽车电子有限公司 | Warm -air device for automobile |
| CN205510443U (en) * | 2016-02-03 | 2016-08-24 | 苏州新业电子股份有限公司 | Wing type PTC heating device |
| CN106403278A (en) * | 2016-08-31 | 2017-02-15 | 安徽省宁国市天成科技发展有限公司 | Air conditioner heater with spiral flow channel |
| CN107298004A (en) * | 2017-07-28 | 2017-10-27 | 郑州泰达精密机电有限公司 | A kind of Electric Transit automobile electric heat-storage heating equipment |
| CN208540201U (en) * | 2018-08-07 | 2019-02-22 | 江苏凯博防爆电气有限公司 | A kind of anti-explosion heater that heating effect is good |
| CN110001356A (en) * | 2019-05-17 | 2019-07-12 | 天津大学 | Electric automobile air-conditioning system based on phase-change thermal storage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115195393B (en) | 2024-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201589410U (en) | Convection quick heating type electric heater | |
| CN104869674A (en) | PTC (Positive Temperature Coefficient) electric heating tube and electric vehicle water heater | |
| CN107284188A (en) | A kind of integral new-energy passenger heater | |
| CN110429357A (en) | Expansion kettle, battery thermal management system and vehicle | |
| CN106364282B (en) | Heat exchange system and control method for passenger compartment of automobile and automobile | |
| CN208075344U (en) | A kind of radiator and magnetic energy water heater of IGBT module | |
| CN209026939U (en) | Heating living dual-purpose furnace | |
| CN115195393B (en) | Hybrid electric vehicle heater | |
| CN205267049U (en) | Control by temperature change clothes | |
| JP2003104041A (en) | Fluid heating device and air conditioner for vehicle using the same | |
| US4408716A (en) | Flue gas heat recovery system | |
| US10744851B2 (en) | Vehicular heating device and cooling water circulating pump provided therein | |
| CN2314285Y (en) | Circular electric water heater | |
| CN204669631U (en) | A kind of PTC electrothermal tube and electric automobile water-warming heater | |
| CN215860441U (en) | Quick vehicle warming device | |
| CN115195394A (en) | New energy automobile heating system | |
| CN111649474A (en) | Simple water heating PTC system | |
| CN2331905Y (en) | Microwave water heater | |
| KR20170048764A (en) | Coolant water pump | |
| CN106152484A (en) | Fast-heating water storing type electric water heater | |
| JPS59115931A (en) | Heat exchanger for electric tap-controlled hot water supplier | |
| KR101510001B1 (en) | Heater core apparatus for vehicle | |
| CN219437167U (en) | PTC heater | |
| CN221122553U (en) | Gas water heater | |
| CN205853819U (en) | A kind of eddy current water-outlet type water-heating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |