CN211364208U

CN211364208U - 20KW high-voltage electric liquid heater for new energy vehicle

Info

Publication number: CN211364208U
Application number: CN201921894012.8U
Authority: CN
Inventors: 孙焕利
Original assignee: Cangzhou Lida New Energy Technology Co ltd
Current assignee: Cangzhou Lida New Energy Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-28
Anticipated expiration: 2029-11-05

Abstract

The utility model relates to the technical field of heater accessories, in particular to a 20KW high-voltage electric liquid heater for a new energy vehicle; the maximum heating power reaches 20KW, so that the device is easy to install and maintain and has more stable performance; including the heat exchanger casing, the mounting panel, the multiunit electric heating pipe, the circulating pump, be provided with the heat transfer chamber in the heat exchanger casing, the right-hand member of heat exchanger casing and the left end fixed connection of mounting panel, be provided with multiunit evenly distributed's mounting hole on the mounting panel, the left end of multiunit electric heating pipe passes the multiunit mounting hole and stretches into to the heat transfer intracavity from the right-hand member of mounting panel respectively, multiunit electric heating pipe all with mounting panel fixed connection, the circulating pump is fixed to be set up in the rear end of heat exchanger casing, the output of circulating pump passes the heat exchanger casing and stretches into to the heat transfer intracavity from the rear end top of heat exchanger casing, the front end left part of heat exchanger.

Description

20KW high-voltage electric liquid heater for new energy vehicle

Technical Field

The utility model relates to a heater auxiliary device's technical field especially relates to a 20KW high-tension electricity liquid heater for new forms of energy automobile-used.

Background

As is well known, the high-voltage electric liquid heater for the new energy vehicle is usedIn-vehicle heating devices, which are widely used in the field of heaters; most of electric heaters in the market are PTC heaters, and the PTC heaters utilize heating devices designed by constant temperature heating PTC thermistors with constant temperature heating characteristics, such as the heating device with the publication number of CN205097876U_AThe PTC heater structure of the new energy automobile comprises a PTC heater and a first voltage sensor, wherein the PTC heater and the first voltage sensor are electrically connected with a warm air motor of an automobile manual air conditioner and used for monitoring the working voltage of the warm air motor; second voltage sensor, with the defogging air door electric connection of car for the open voltage of this defogging air door of monitoring: the PTC controller is respectively electrically connected with the PTC heater, the first voltage sensor and the second voltage sensor and controls the opening or closing of the PTC heater according to the voltage conditions monitored by the first voltage sensor and the second voltage sensor; when the PTC thermistor is used, the heating power of the PTC thermistor is limited, generally the heating power can reach 14KW to the maximum, when the heating power is higher than 14KW, the technical requirement on the PTC thermistor is too high, the production cost is increased, the PTC thermistor is inconvenient to maintain and use, the performance is unstable, and certain use limitation exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a 20KW high-tension electricity liquid heater is used to the new forms of energy automobile-used that the biggest heating power reaches 20KW, easily installation and maintenance, and the performance is more stable.

The utility model discloses a 20KW high-voltage electric liquid heater for new energy vehicle, including heat exchanger shell, mounting panel, multiunit electric heating pipe, circulating pump, be provided with the heat transfer chamber in the heat exchanger shell, the right-hand member of heat exchanger shell and the left end fixed connection of mounting panel, be provided with multiunit evenly distributed's mounting hole on the mounting panel, multiunit electric heating pipe's left end passes multiunit mounting hole and stretches into to the heat transfer intracavity from the right-hand member of mounting panel respectively, multiunit electric heating pipe all with mounting panel fixed connection, the circulating pump is fixed to be set up in the rear end of heat exchanger shell, the output of circulating pump passes the heat exchanger shell and stretches into to the heat transfer intracavity from the rear end top of heat exchanger shell, the front end left part of heat exchanger shell is provided with the outlet pipe, the output of outlet pipe passes the heat exchanger shell and stretches, and an electric heating liquid is arranged in the heat exchange cavity.

The utility model discloses a 20KW high-tension electricity liquid heater for new forms of energy automobile still includes the aluminium connector, the left end of aluminium connector and the right-hand member fixed connection of mounting panel, the right-hand member of aluminium connector is provided with high-voltage relay and controller, high-voltage relay is connected with the electric heating pipe electricity, the controller is connected with the high-voltage relay electricity.

The utility model discloses an automobile-used 20KW high-tension electricity liquid heater of new forms of energy, the fixed temperature sensor that is provided with on the heat transfer intracavity roof, temperature sensor is connected with the controller electricity.

The utility model discloses a 20KW high-tension electricity liquid heater for new forms of energy car, outlet pipe department is provided with the automatically controlled valve, the automatically controlled valve is connected with the controller electricity.

The utility model discloses an automobile-used 20KW high-tension electricity liquid heater of new forms of energy, the right-hand member of aluminium connector is provided with the guard shield.

Compared with the prior art, the beneficial effects of the utility model are that: through being connected electric heating pipe and vehicle mounted power, make electric heating pipe heat the intracavity electro-thermal liquid that changes heat, the electro-thermal liquid temperature risees, through the circulating pump pressurization this moment, makes the intracavity temperature of changing heat rising electro-thermal liquid circulate in the vehicle for carriage heating and the defrosting of keeping out the wind in front, replace PTC thermistor with electric heating pipe to supply heat, and its electric heating pipe heat production power can reach 20KW, easily installation and maintenance, and the performance is more stable.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the external front view of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the electric heating tube of the present invention;

fig. 4 is a schematic diagram of an electrical control principle of an embodiment of the present invention;

in the drawings, the reference numbers: 1. a heat exchanger housing; 2. mounting a plate; 3. an electric heating tube; 4. a circulation pump; 5. mounting holes; 6. a water outlet pipe; 7. an aluminum connector; 8. a high voltage relay; 9. a controller; 10. a temperature sensor; 11. an electrically controlled valve; 12. a shield.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the 20KW high voltage electric liquid heater for a new energy vehicle of the present invention comprises a heat exchanger housing 1, a mounting plate 2, a plurality of sets of electric heating tubes 3, and a circulating pump 4, wherein a heat exchange cavity is disposed in the heat exchanger housing 1, a right end of the heat exchanger housing 1 is fixedly connected to a left end of the mounting plate 2, a plurality of sets of mounting holes 5 are uniformly distributed on the mounting plate 2, left ends of the plurality of sets of electric heating tubes 3 respectively pass through the plurality of sets of mounting holes 5 from the right end of the mounting plate 2 and extend into the heat exchange cavity, the plurality of sets of electric heating tubes 3 are fixedly connected to the mounting plate 2, the circulating pump 4 is fixedly disposed at a rear end of the heat exchanger housing 1, an output end of the circulating pump 4 passes through the heat exchanger housing 1 from a top of the rear end of the heat exchanger housing 1 and extends into the heat exchange cavity, a water outlet pipe 6 is disposed at a, an electrothermal liquid is arranged in the heat exchange cavity; through being connected electric heating pipe and vehicle mounted power, make electric heating pipe heat the intracavity electro-thermal liquid that changes heat, the electro-thermal liquid temperature risees, through the circulating pump pressurization this moment, makes the intracavity temperature of changing heat rising electro-thermal liquid circulate in the vehicle for carriage heating and the defrosting of keeping out the wind in front, replace PTC thermistor with electric heating pipe to supply heat, and its electric heating pipe heat production power can reach 20KW, easily installation and maintenance, and the performance is more stable.

The utility model discloses a 20KW high-voltage electric liquid heater for new energy automobile still includes aluminium connector 7, and the left end of aluminium connector 7 and the right-hand member fixed connection of mounting panel 2, the right-hand member of aluminium connector 7 are provided with high-voltage relay 8 and controller 9, and high-voltage relay 8 is connected with electric heating pipe 3 electricity, and controller 9 is connected with high-voltage relay 8 electricity; the controller is electrically connected with the high-voltage relay, and the high-voltage relay is electrically connected with the electric heating pipe, so that the automatic control of low-voltage control high voltage can be realized, and the operation is more convenient and faster.

The utility model discloses a 20KW high-voltage electric liquid heater for new energy vehicles, the temperature sensor 10 is fixedly arranged on the roof in the heat exchange cavity, and the temperature sensor 10 is electrically connected with the controller 9; the temperature in the heat exchange cavity can be monitored in real time at any time through the arrangement of the temperature sensor, and automatic control can be realized when the temperature is too high or too low.

The 20KW high-voltage electric liquid heater for the new energy vehicle is characterized in that an electric control valve 11 is arranged at the position of a water outlet pipe 6, and the electric control valve 11 is electrically connected with a controller 9; the controller is electrically connected with the electric control valve to realize the automatic control of water outlet, when the system is free of water, the electric control valve is in a closed state, the heater is not started, and dry burning is avoided.

The utility model discloses a 20KW high-voltage electric liquid heater for a new energy vehicle, wherein a shield 12 is arranged at the right end of an aluminum connector 7; can equal controller and high-voltage relay effectively keep apart through the guard shield, prevent personnel and electrified component from contacting, play certain guard action, more safe and reliable to electrical components such as controller and high-voltage relay simultaneously.

The utility model discloses a 20KW high-voltage electric liquid heater for new energy automobile, it is at the during operation, before accomplishing above-mentioned action, at first remove it to the position that the user needed, open the circulating pump, the automatically controlled valve is opened, high-pressure relay switch-on, high-pressure switch-on, electric heating pipe begins the circular telegram work, the electric heating liquid is heated, liquid after the heating circulates inside the vehicle after being pressurizeed by the circulating pump, be used for carriage heating and preceding windshield defrosting, when the temperature risees to 78 degrees centigrade, temperature sensor disconnection, the electric controller control high-pressure relay closes, high pressure is disconnected, electric heating pipe stops the heating; when the water temperature is reduced to 65 ℃, the temperature sensor is closed, the high-voltage relay is opened, the electric heating pipe is electrified, the heating is continued, and the process is circulated; when the heating is required to be stopped, the controller is closed, the high-voltage relay is disconnected, the high voltage is disconnected, the heating is stopped, and the circulating pump is automatically closed after 3 minutes of delay; temperature protection: when no water exists in the system, the electric control valve switch is not opened, and the electric heating pipe does not work; if the water flow switch is in a closed fault, the electric heating pipe works, preferably, an over-temperature sensor can be arranged in the heat exchange cavity and electrically connected with the controller, and when the over-temperature sensor detects that the temperature is 120 ℃, the high-voltage relay is automatically cut off, and the electric heating pipe stops heating; preferably, a thermocouple can be added to the uppermost electric heating tube, so that the power supply can be quickly cut off when no water exists compared with the temperature change of water, the electric heating tubes are protected from dry burning, and the safety is improved; a water temperature sensor is added, and a controller detects the water temperature constantly to perform constant temperature control; preferably, an intelligent control system can be additionally arranged in the controller, a power-on self-checking function is added, the performance of the components is detected, the host which is unqualified in the components is found not to be started, an automatic power-off delay system is added, and high-temperature overheating is avoided.

The utility model discloses a 20KW high-voltage electricity liquid heater for new energy automobile, controller, high-voltage relay, automatically controlled valve and circulating pump are all bought to controller, high-voltage relay, automatically controlled valve and circulating pump all carry out the electricity through the instruction manual of buying together and connect.

The utility model discloses an automobile-used 20KW high-tension electricity liquid heater of new forms of energy, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to concrete structure, model and the coefficient index of its all parts are its from taking the technique, as long as can reach all can implement of its beneficial effect, so do not add at many and give unnecessary details.

The utility model discloses a 20KW high-voltage electric liquid heater for new energy automobile, under the condition that does not explain to the contrary, "about, around inside and outside and vertical level" contain the position word in the term only represents the position of this term under the conventional user state, or is the common name that technical personnel in this field understood, and should not regard as the restriction to this term, and at the same time, the array nouns such as "first", "second" and "third" do not represent specific quantity and order, are only used for the differentiation of name.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The 20KW high-voltage electric liquid heater for the new energy vehicle is characterized by comprising a heat exchanger shell (1), a mounting plate (2), a plurality of groups of electric heating pipes (3) and a circulating pump (4), wherein a heat exchange cavity is arranged in the heat exchanger shell (1), the right end of the heat exchanger shell (1) is fixedly connected with the left end of the mounting plate (2), a plurality of groups of uniformly distributed mounting holes (5) are formed in the mounting plate (2), the left ends of the plurality of groups of electric heating pipes (3) respectively penetrate through the plurality of groups of mounting holes (5) from the right end of the mounting plate (2) and extend into the heat exchange cavity, the plurality of groups of electric heating pipes (3) are fixedly connected with the mounting plate (2), the circulating pump (4) is fixedly arranged at the rear end of the heat exchanger shell (1), the output end of the circulating pump (4) penetrates through the heat exchanger shell (1) from the top of, the heat exchanger is characterized in that a water outlet pipe (6) is arranged at the left part of the front end of the heat exchanger shell (1), the output end of the water outlet pipe (6) penetrates through the heat exchanger shell (1) from the front end of the heat exchanger shell (1) and extends into the heat exchange cavity, and the electric heating liquid is arranged in the heat exchange cavity.

2. The 20KW high-voltage electric liquid heater for the new energy vehicle is characterized by further comprising an aluminum connecting body (7), wherein the left end of the aluminum connecting body (7) is fixedly connected with the right end of the mounting plate (2), a high-voltage relay (8) and a controller (9) are arranged at the right end of the aluminum connecting body (7), the high-voltage relay (8) is electrically connected with the electric heating pipe (3), and the controller (9) is electrically connected with the high-voltage relay (8).

3. The 20KW high-voltage electric liquid heater for the new energy vehicle as claimed in claim 2, wherein a temperature sensor (10) is fixedly arranged on the top wall of the heat exchange cavity, and the temperature sensor (10) is electrically connected with the controller (9).

4. The 20KW high-voltage electric liquid heater for the new energy vehicle as claimed in claim 3, wherein an electric control valve (11) is arranged at the water outlet pipe (6), and the electric control valve (11) is electrically connected with the controller (9).

5. The 20KW high-voltage electric liquid heater for the new energy vehicle is characterized in that a shield (12) is arranged at the right end of the aluminum connecting body (7).