CN218948885U - Heating device for automobile - Google Patents

Abstract

The utility model relates to the technical field of heating devices, in particular to a heating device for an automobile. Including controller and blast pipe, the outside cover of blast pipe is equipped with the heat exchange tube, and two sealing connection and the cavity that has formed between the two, the both ends of heat exchange tube are provided with first intake pipe and second heating pipe respectively, the tip setting of first intake pipe becomes the return air inlet in the carriage, first intake pipe middle part is provided with main intake pipe, second heating pipe and main intake pipe are connected to the valve that adjusts temperature that can mix the gaseous mixture that supplies both with the control temperature jointly, the gas outlet on the valve that adjusts temperature is connected to the air conditioner air outlet through first heating pipe, be provided with the fan in the air conditioner air outlet, be provided with temperature measuring element on the first heating pipe. The utility model has shorter time for starting heating, so that the heating is started faster.

Description

Heating device for automobile

Technical Field

The utility model relates to the technical field of heating devices, in particular to a heating device for an automobile.

Background

Automobiles are generally equipped with a heating device for heating the interior of the automobile in cold weather, so that passengers feel warm. The utility model provides an utilize vehicle vent-pipe waste heat to heating device in car is disclosed to patent of application number CN202020321319.5, including heating cover, radiator and water tank, the heating cover is established in the vehicle vent-pipe outside, heating cover's import and export are respectively through the pipeline intercommunication the export and the entry of radiator, the water tank sets up on heating cover's inlet pipeline, the radiator sets up in the carriage, circulation has heat-conducting medium in heating cover, radiator and the water tank, and it can utilize the heat of blast pipe to heat in the carriage, has realized waste gas waste heat utilization, has energy-concerving and environment-protective advantage, but because its heat-conducting medium that adopts liquid, only need to heat all liquid heat-conducting medium in the system at first at the beginning, later have obvious heating effect, and the specific heat of liquid is great again, leads to starting heating slower.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a heating device for an automobile aiming at the technical defects.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a heating device for car, includes controller and blast pipe, the outside cover of blast pipe is equipped with the heat exchange tube, and both sealing connection and the cavity that has formed between the two, the both ends of heat exchange tube are provided with first intake pipe and second heating pipe respectively, the tip setting of first intake pipe becomes the return air inlet in the carriage, first intake pipe middle part is provided with main intake pipe, second heating pipe and main intake pipe are connected to the temperature regulating valve that can mix the gaseous mixture that supplies both with the control temperature jointly, the gas outlet on the temperature regulating valve is connected to the air conditioner air outlet through first heating pipe, be provided with the fan in the air conditioner air outlet, be provided with temperature measuring element on the first heating pipe.

Further optimizing the technical scheme, the temperature regulating valve comprises a shell, a valve plate and a valve plate, wherein one side of the cross section of the shell is semicircular, a first air inlet and a second air inlet which are adjacent in the circumferential direction are arranged at the semicircular position, the valve plate is provided with a rotating shaft at one end, the rotating shaft passes through the center of the semicircular circle and is perpendicular to the cross section, the rotating shaft is in transmission connection with a motor arranged outside the shell, the cross section of the other end of the valve plate is an arc with the same radius as the semicircular circle, and the air outlet is positioned at the other side of the shell; the second heating pipe and the main intake pipe are connected to the first intake port and the second intake port, respectively.

Further optimize this technical scheme, still include air cleaner, air cleaner is connected to first intake pipe middle part through the second intake pipe, be provided with first electrically operated valve in the second intake pipe, still be provided with second electrically operated valve in the first intake pipe, second electrically operated valve is located first intake pipe and main intake pipe junction and keeps away from one side of heat exchange tube, second electrically operated valve is located first intake pipe and second intake pipe junction and keeps away from one side of heat exchange tube.

Compared with the prior art, the utility model has the following advantages: 1. air is introduced between the exhaust pipe and the heat exchange pipe, and heated air is sent into the carriage in the form of hot air, so that heating is started faster because the specific heat capacity of the air is smaller; 2. the flow ratio of the initial hot air to the room temperature air can be controlled through the temperature regulating valve, so that the damage to components in a carriage where the first heating pipe passes due to the fact that the temperature of the secondary hot air is too high is prevented.

Drawings

Fig. 1 is a schematic view of a heating system for an automobile.

Fig. 2 is a schematic structural view of an exhaust pipe and a heat exchange pipe.

Fig. 3 is a schematic structural view of the temperature regulating valve.

In the figure: 1. an exhaust pipe; 2. a heat exchange tube; 3. a first air inlet pipe; 4. an air filter; 5. a second air inlet pipe; 6. a first electrically operated valve; 8. a second electrically operated valve; 9. a main air inlet pipe; 10. an air outlet of the air conditioner; 11. a first heating pipe; 12. a temperature regulating valve; 121. a housing; 122. a first air inlet; 123. a second air inlet; 124. a valve plate; 125. a rotating shaft; 126. an air outlet; 13. and a second heating pipe.

Description of the embodiments

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

Example 1

Referring to fig. 1-3, an automotive heating device comprises a controller and an exhaust pipe 1, exhaust gas generated after combustion of an automotive engine is exhausted through the exhaust pipe 1, a heat exchange pipe 2 is sleeved outside the exhaust pipe 1, the heat exchange pipe 2 is in sealing connection with the exhaust pipe 1 and forms a cavity between the heat exchange pipe and the exhaust pipe, a first air inlet pipe 3 and a second heating pipe 13 are respectively arranged at two ends of the heat exchange pipe 2, an end part of the first air inlet pipe 3 is arranged in a carriage to form an air return opening, a main air inlet pipe 9 is arranged in the middle of the first air inlet pipe 3, the second heating pipe 13 and the main air inlet pipe 9 are jointly connected to a temperature regulating valve 12 capable of mixing gases supplied by the two to control temperature, an air outlet 126 on the temperature regulating valve 12 is connected to an air conditioner air outlet 10 through the first heating pipe 11, a fan is arranged in the air conditioner air outlet 10, a temperature measuring element (not shown in the drawing) is also arranged in the carriage, and the temperature measuring element can be a thermocouple or a resistor. The temperature sensing element, the thermostat valve 12 and the fan are electrically connected to the controller.

Specifically, the temperature-adjusting valve 12 includes a housing 121, one side of the cross section of the housing 121 is semicircular, a first air inlet 122 and a second air inlet 123 adjacent to each other in the circumferential direction are disposed at the semicircular position, the temperature-adjusting valve further includes a valve plate 124, one end of the valve plate 124 is provided with a rotating shaft 125, the rotating shaft 125 is rotationally connected with the housing 121, the rotating shaft 125 passes through the center of the semicircle and is perpendicular to the cross section, the rotating shaft 125 is in driving connection with a motor (not shown in the drawing) disposed outside the housing 121, the motor is electrically connected to the controller, the cross section of the other end of the valve plate 124 is an arc with the same radius as the semicircle, the central angle of the arc is preferably greater than the central angle corresponding to the first air inlet 122 and the second air inlet 123, and the thickness of the valve plate 124 is greater than the diameters (or the sizes in the axial directions of the semicircle) of the first air inlet 122 and the second air inlet 123, and the air outlet 126 is located at the other side of the housing 121. The second heating pipe 13 is connected to the first air intake port 122, and the main air intake pipe 9 is connected to the second air intake port 123. In most cases, the valve plate 124 shields a portion of both the first and second intake ports 122, 123.

When the air conditioner is used, the fan in the air outlet 10 of the air conditioner operates to discharge hot air into a carriage, meanwhile, air in the carriage is divided into two parts after passing through the first air inlet pipe 3, the first part enters the heat exchange pipe 2 and is heated into initial hot air by the air outlet pipe 1 and then is sucked into the temperature regulating valve 12, the second part is directly sucked into the temperature regulating valve 12 as room temperature air, the two parts are mixed to become secondary hot air with temperature lower than the initial hot air temperature and are blown into the carriage to form internal circulation, the temperature measuring element on the first heating pipe 11 can measure the temperature of the secondary hot air, when the temperature of the secondary hot air is too high (in addition, the heat required by the temperature in the carriage is reduced when the temperature in the carriage is about to reach the set temperature, the heat generated by the air outlet pipe 1 cannot be adjusted at will according to the heating requirement, and the temperature is higher), the parts in the carriage where the first heating pipe 11 is possibly damaged, the valve plate 124 rotates towards the direction of the first air inlet 122, the area of the first air inlet is increased, the area of the second air inlet 123 is simultaneously reduced, the initial hot air flow is reduced, and the secondary air flow is enabled to be large, and the secondary air flow is enabled to be blocked, and the temperature is lowered. When the heating apparatus is turned off, the valve plate 124 may be made to completely block the first air inlet 122 to prevent the hot air from overflowing, except for turning off the fan.

Example 2

In order to carry out external circulation, the device further comprises an air filter 4, the air filter 4 is connected to the middle part of the first air inlet pipe 3 through a second air inlet pipe 5, a first electric valve 6 is arranged on the second air inlet pipe 5, a second electric valve 8 is further arranged on the first air inlet pipe 3, the first electric valve 6 and the second electric valve 8 are electrically connected to a controller, the second electric valve 8 is located at the joint of the first air inlet pipe 3 and the main air inlet pipe 9 and is away from one side of the heat exchange pipe 2, and meanwhile, the second electric valve 8 is also located at the joint of the first air inlet pipe 3 and the second air inlet pipe 5 and is away from one side of the heat exchange pipe 2. When external circulation is needed, the second electric valve 8 is completely closed, and the first electric valve 6 is opened.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims (3)

1. The utility model provides a heating system for car, includes controller and blast pipe (1), the outside cover of blast pipe (1) is equipped with heat exchange tube (2), and both sealing connection and between the two have formed cavity, its characterized in that: the two ends of the heat exchange tube (2) are respectively provided with a first air inlet tube (3) and a second heating tube (13), the end part of the first air inlet tube (3) is arranged in a carriage to form an air return opening, the middle part of the first air inlet tube (3) is provided with a main air inlet tube (9), the second heating tube (13) and the main air inlet tube (9) are jointly connected to a temperature regulating valve (12) capable of mixing gases supplied by the second air inlet tube (13) and the main air inlet tube (9) to control temperature, an air outlet (126) on the temperature regulating valve (12) is connected to an air conditioner air outlet (10) through a first heating tube (11), a fan is arranged in the air conditioner air outlet (10), and a temperature measuring element is arranged on the first heating tube (11).

2. A heating apparatus for an automobile according to claim 1, wherein: the temperature-regulating valve (12) comprises a shell (121), one side of the cross section of the shell (121) is semicircular, a first air inlet (122) and a second air inlet (123) which are adjacent in the circumferential direction are arranged at the semicircular position, the temperature-regulating valve also comprises a valve plate (124), one end of the valve plate (124) is provided with a rotating shaft (125), the rotating shaft (125) passes through the center of the semicircular circle and is perpendicular to the cross section, the rotating shaft (125) is in transmission connection with a motor arranged outside the shell (121), the cross section of the other end of the valve plate (124) is an arc with the same radius as the semicircular circle, and the air outlet (126) is positioned at the other side of the shell (121); the second heating pipe (13) and the main intake pipe (9) are connected to a first intake port (122) and a second intake port (123), respectively.

3. A heating apparatus for an automobile according to any one of claims 1 to 2, wherein: still include air cleaner (4), air cleaner (4) are connected to first intake pipe (3) middle part through second intake pipe (5), be provided with first electric valve (6) on second intake pipe (5), still be provided with second electric valve (8) on first intake pipe (3), second electric valve (8) are located one side that heat exchange tube (2) was kept away from in first intake pipe (3) and main intake pipe (9) junction, second electric valve (8) are located one side that heat exchange tube (2) was kept away from in first intake pipe (3) and second intake pipe (5) junction.

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