Warming device
By using a pressure vessel shell structure with multiple heating pipes connected in parallel and a clustered flange electric heater, combined with an electric heating control system, the problem of excessively large structure of aerospace heaters under high pressure and high flow rate is solved, achieving efficient and precise temperature control and flow management, and reducing equipment weight and energy consumption.
Patent Information
- Application Number
- CN202423268146.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-28
AI Technical Summary
Existing aerospace heaters are too large in size under high pressure and high flow, resulting in poor sealing, high manufacturing costs, and excessive weight.
The pressure vessel shell structure employs multiple parallel heating pipelines, combined with a clustered flange electric heater and an electric heating control system, including a temperature transmitter, an electrically controlled flow valve, and a PID electrically controlled regulation system, to achieve precise temperature control and flow management.
It improves the electrothermal conversion efficiency of the heater, reduces the size of the equipment, reduces pressure loss, ensures temperature uniformity and accuracy, extends working time, and reduces energy consumption.
Smart Images
Figure CN223564475U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high pressure large flow heating technical field, concretely relates to a heater. BACKGROUND
[0002] The heater for heating gaseous medium in the prior art of aerospace industry usually needs to bear 2~3Kg / s, 25Mpa high pressure large flow, and the sealing requirement of the heater product is relatively high. The shell pressure-bearing capacity of the existing heater is usually lower than 10Mpa under the premise that the inner diameter is not higher than 150mm; in order to meet the use requirement of 2~3Kg / s, 25Mpa high pressure large flow, the single-stage inner cavity volume usually needs to be increased, which causes the technical problems of higher manufacturing cost, poor sealing, large inner cavity, large equipment wall thickness and excessively high equipment weight.
[0003] Therefore, it is necessary to develop a heater to solve the above technical problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a heater, which solves the technical problem of excessively large structure size of the existing heater for aerospace.
[0005] The above-mentioned purpose of the utility model can be realized by the following technical scheme:
[0006] The utility model provides a heater, which comprises an electric heating element and an electric heating control system, and further comprises a pressure container shell provided with an air inlet and an air outlet; the pressure container shell is formed by parallel connection of a plurality of heating pipelines arranged in parallel; the electric heating element is arranged in each heating pipeline of the pressure container shell; and the electric heating element is electrically connected to the electric heating control system.
[0007] Preferably, the electric heating element is a cluster flange electric heater; the end of the heating pipeline is provided with a flange; and the heating part of the cluster flange electric heater is inserted into the heating pipeline and is in sealing connection with the flange.
[0008] Preferably, the heater further comprises a temperature transmitter arranged at the air outlet and used for collecting the temperature of the gas inside the pipeline; and the temperature transmitter is electrically connected to the electric heating control system.
[0009] Preferably, the cluster flange electric heater is externally connected to a plurality of heating cables through a plurality of electric connection joints arranged at the end.
[0010] Preferably, the bottom of the heating pipeline at the lowermost end is provided with a pressure container cavity liquid discharge port.
[0011] Preferably, the air inlet is provided with an electric control flow valve; and the electric control flow valve is electrically connected to the electric heating control system.
[0012] Preferably, the pressure vessel shell is fixedly connected with the base.
[0013] Preferably, the electric heating control system is a PID electric control adjustment system.
[0014] Preferably, the PID electric control adjustment system is provided with a power regulator.
[0015] The utility model discloses a feature and advantage are: the utility model discloses a pressure vessel shell structure that the parallel connection of adopting multiple heating pipeline forms can satisfy the pressure operation demand of the high pressure environment of the heater, and the heated medium enters from the air inlet side of the pressure vessel shell, and after the heat exchange of the heating element of multiple stages parallel setting, the exhaust from the air outlet of the pressure vessel shell, can improve electric heating comprehensive conversion efficiency greatly, and the electric heating control system can conveniently adjust the heating power of the electric heating element arranged in each pipeline, and further reach the use effect that the heated medium temperature -rising speed is fast, and the overall volume of equipment is small, and the overall pressure loss is small.
[0016] Further, the utility model discloses a cluster type flange electric heater as electric heating element, can greatly reduce the setting pipe diameter of heating pipeline, make the overall volume of equipment can be smaller, and the air inlet of pressure vessel shell can be directly connected with the gas supply pipeline of heated medium, in addition, when using, still can further maintain the highest heating temperature at 700 degrees Celsius, and keep the overall pressure loss extremely low.
[0017] Further, the utility model discloses through adopting temperature transmitter to gather the gas temperature in the heating pipeline, can realize accurate control to the heating effect of heater, can control the outlet temperature error of heated medium accurately to be within ±3 DEG C, and further, the medium temperature field of air outlet is more uniform and stable.
[0018] Further, the utility model discloses through adopting multiple electric connection joints as the external cable of cluster type flange electric heater, not only provides stable power supply guarantee for cluster type flange electric heater, but also can provide convenient condition for conveniently adjusting the heat exchange temperature field in the heating pipeline.
[0019] Further, the pressure cavity liquid discharge port arranged at the bottom of the heating pipeline at the lowermost end can timely discharge the liquefied gas medium in the heater, and avoid the adverse effect of excessive liquid accumulation on the heat exchange efficiency in the heater.
[0020] Further, the utility model discloses through adopting electric control flow valve to regulate and control the input flow of heater air inlet, can conveniently carry out accurate control to the medium flow input in the heater, and provides technical guarantee for further conveniently regulating and controlling the heat exchange efficiency of heater.
[0021] Further, the PID electric control adjusting system provided with the power regulator is used to further reduce the energy consumption of the warmer, and greatly prolong the working time of the warmer in the use environment of limited electric energy. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort based on these drawings.
[0023] Figure 1 It is a structure schematic view of the warmer in the embodiment 1 of the present application.
[0024] Figure 2 It is a left view of the warmer. Figure 1
[0025] Explanation of reference numerals in the drawing: 100, electric heating element; 110, electric connection connector; 200, electric heating control system; 300, pressure container shell; 310, air inlet; 320, air outlet; 330, warming pipeline; 340, temperature transmitter; 350, pressure container cavity liquid discharge port; 400, base; DETAILED DESCRIPTION
[0026] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.
[0027] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the features limited as "first" and "second" can be explicitly or implicitly included one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0028] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to specific circumstances.
[0029] Embodiment 1:
[0030] As Figure 1 And Figure 2 The utility model provides a warmer, including: electric heating element 100 and electric heating control system 200, still including the pressure vessel shell 300 that is provided with air inlet 310 and air outlet 320;The pressure vessel shell 300 is formed by parallelly connected after the parallelly arranged multiple warming pipeline 330;The electric heating element 100 is arranged respectively in each warming pipeline 330 of the pressure vessel shell;The electric heating element 100 is electrically connected with the electric heating control system 200.This embodiment can meet the pressure operation demand of the warmer under high pressure environment by adopting the pressure vessel shell structure that multiple warming pipeline is connected in parallel.
[0031] When using, the heated medium enters from the air inlet side of the pressure vessel shell, is discharged from the air outlet of the pressure vessel shell after passing through the heating element heat exchange arranged in multiple stages in parallel, can greatly improve the electric heating comprehensive conversion efficiency;Electric heating control system can conveniently adjust the heating power of the electric heating element arranged in each pipeline, and then reach the use effect that the heated medium is fast in temperature rising speed, the overall volume of equipment is small, and the overall pressure loss is small.
[0032] It should be noted that the structure of the above-mentioned electric heating element is the existing product, so its detailed technical details will not be further elaborated here.The setting number of the above-mentioned warming pipeline 330 is not limited, and the parallel type warming structure setting scheme of more than three used to meet the heating needs is also claimed in the application.
[0033] Further, as Figure 1 And Figure 2As shown, in one of the preferred technical solutions of the embodiment, the electric heating element 100 is a cluster flange electric heater; the end of the heating pipeline 330 is provided with a flange; the heating part of the cluster flange electric heater is inserted into the heating pipeline 330 and is in sealed connection with the flange. The cluster flange electric heater is used as the electric heating element, which can greatly reduce the setting pipe diameter of the heating pipeline, so that the overall volume of the equipment can be smaller, and the gas inlet of the pressure container shell can be directly connected with the gas supply pipeline of the heated medium. In addition, the highest heating temperature can be further maintained at 700 degrees Celsius, and the overall pressure loss is extremely low.
[0034] Further, in one of the preferred technical solutions of the embodiment, a temperature transmitter 340 for collecting the internal gas temperature of the pipeline is arranged at the gas outlet 320; and the temperature transmitter 340 is in electrical connection with the electric heating control system 200. The temperature transmitter is used to collect the internal gas temperature of the heating pipeline, so that the heating effect of the heater can be accurately controlled, and the outlet temperature error of the heated medium can be accurately controlled within ±3℃, so that the medium temperature field of the gas outlet is more uniform and stable.
[0035] Further, in one of the preferred technical solutions of the embodiment, the cluster flange electric heater 100 is externally connected with a plurality of heating cables through a plurality of electric connection joints 110 arranged at the end. The electric connection joints are used to externally connect the cables to the cluster flange electric heater, which not only provides stable power supply for the cluster flange electric heater, but also provides convenient conditions for adjusting the heat exchange temperature field in the heating pipeline.
[0036] Further, in one of the preferred technical solutions of the embodiment, the bottom of the heating pipeline at the lowermost end is provided with a pressure cavity liquid discharge port 350. The pressure cavity liquid discharge port arranged at the bottom of the heating pipeline at the lowermost end can timely discharge the liquefied gas medium in the heater, so as to avoid the adverse effects of excessive liquid accumulation on the heat exchange efficiency.
[0037] Further, in one of the preferred technical solutions of the embodiment, the gas inlet 310 is provided with an electric control flow valve; and the electric control flow valve is in electrical connection with the electric heating control system. The electric control flow valve is used to control the input flow of the gas inlet of the heater, so as to accurately control the medium flow input into the heater, and to provide technical support for further adjusting the heat exchange efficiency of the heater.
[0038] Further, as shown in the drawings, Figure 1 and Figure 2As shown, in one of the preferred technical solutions of the embodiment, a base 400 is further included; the pressure container shell 300 is fixedly connected with the base 400.
[0039] Embodiment 2:
[0040] The embodiment is further provided on the basis of Embodiment 1, and the electric heating control system 200 is a PID electric control adjustment system.
[0041] Further, in one of the preferred technical solutions of the embodiment, the PID electric control adjustment system is provided with a power regulator. The PID electric control adjustment system provided with the power regulator further reduces the energy consumption of the warmer, and greatly improves the working time of the warmer in the limited electric energy use environment.
[0042] It should be noted that the electric control hardware structure of the electric heating control system is prior art, and therefore the detailed circuit details are not further described herein.
[0043] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0044] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.
Claims
1. A heater, comprising: An electric heating element and an electric heating control system are characterized in that they further include a pressure vessel shell with an air inlet and an air outlet; the pressure vessel shell is formed by connecting multiple heating pipes in parallel; each heating pipe of the pressure vessel shell is provided with the electric heating element; the electric heating element is electrically connected to the electric heating control system.
2. The heater according to claim 1, characterized in that, The electric heating element is a cluster flange electric heater; the end of the heating pipeline is provided with a flange; the heating part of the cluster flange electric heater is inserted into the heating pipeline and then sealed to the flange.
3. The heater according to claim 1, characterized in that, It also includes a temperature transmitter installed at the gas outlet for collecting the temperature of the gas inside the pipeline; the temperature transmitter is electrically connected to the electric heating control system.
4. The heater according to claim 2, characterized in that, The clustered flange electric heater is externally connected to multiple heating cables via multiple electrical connection joints located at its ends.
5. The heater according to claim 1, characterized in that, The bottom of the heating pipe at the lowest point is provided with a pressure chamber drain port.
6. The heater according to claim 1, characterized in that, The air inlet is equipped with an electrically controlled flow valve; the electrically controlled flow valve is electrically connected to the electric heating control system.
7. The heater according to claim 1, characterized in that, It also includes a base; the pressure vessel shell is fixedly connected to the base.
8. The heater according to claim 1, characterized in that, The electric heating control system is a PID electronic control system.
9. The heater according to claim 8, characterized in that, The PID electronic control system is equipped with a power regulator.