CN214648272U - Urban rail vehicle compensation type electric heater based on graphene heating wire - Google Patents
Urban rail vehicle compensation type electric heater based on graphene heating wire Download PDFInfo
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- CN214648272U CN214648272U CN202120427158.2U CN202120427158U CN214648272U CN 214648272 U CN214648272 U CN 214648272U CN 202120427158 U CN202120427158 U CN 202120427158U CN 214648272 U CN214648272 U CN 214648272U
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Abstract
The utility model provides an urban rail vehicle compensation type electric heater based on graphene heating wires, which comprises a shell, a heating element and a temperature control system; the shell is provided with T-shaped radiating fins and heat exchange holes, and the top end and the bottom end of the back end surface of the shell are provided with slots for mounting the heat-insulation plates; the left upper end, the left lower end, the right upper end and the right lower end of the back of the shell are provided with 4 fixed ear plates; a graphene heating wire clamping groove is formed in the inner wall of the back of the shell; the heating element is composed of a graphene heating wire; two side surfaces of the shell are provided with at least one graphene heating wire wiring hole; the temperature control system comprises a control host, an environment variable monitor and a temperature display liquid crystal screen. The utility model is suitable for an urban rail vehicle heating can overcome in the past cold and warm type air conditioning unit heating or air conditioner preheat + shortcoming such as electric heater compensation heating temperature field is inhomogeneous, the fresh air volume is not enough, the energy consumption is big and the travelling comfort is poor, can realize closed loop temperature regulation, provides the good trip of passenger and experiences.
Description
Technical Field
The utility model relates to an electric heating field especially relates to a city rail vehicle compensation formula electric heater based on graphite alkene heater wire.
Background
At present, the urban rail vehicle is basically preheated by an air conditioner and heated by an electric heater in a compensation mode. When the air conditioning device is insufficiently heated in winter, the compensation electric heating device starts the electric heating pipe to serve as an electric heater to supplement heating for the interior of the carriage. The space is heated mainly by convection heat exchange. The heating mode not only consumes large energy, but also has general comfort and lower electric-heat conversion efficiency. The novel graphene material is a heating mode mainly based on thermal radiation, and the thermal radiation can enable the temperature distribution in the carriage to be more uniform and the thermal comfort to be improved remarkably. The graphene material has good thermal conductivity and perfect oxidation resistance, is light in weight, small in resistance temperature coefficient, stable in electrical property, and capable of shielding or weakening electromagnetic wave interference, and is an internationally recognized advanced heating mode at the present stage. The graphene heating system is simple in structure, uniform in heat dissipation, long in service life and high in safety, and graphene is the material with the highest heat conductivity coefficient at present.
SUMMERY OF THE UTILITY MODEL
According to the technical problem provided above, an urban rail vehicle compensation type electric heater based on a graphene heating wire is provided. The utility model discloses mainly adopted graphite alkene heating wire to heat, improved thermal conversion efficiency, improved the distribution of temperature field in the carriage, improved thermal comfort, practiced thrift the electric energy. The utility model discloses a technical means as follows:
the utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire, includes: the heating element and the temperature control system are arranged in the shell;
the shell is provided with T-shaped radiating fins and heat exchange holes, the cross section of each T-shaped radiating fin is T-shaped, 116 fins are arranged in total, and the radiating fins are distributed in a row at equal intervals on the front surface of the outer part of the shell and distributed in an array; 77 heat exchange holes are formed and are uniformly distributed on the top of the shell; the combination of the T-shaped radiating fins and the heat exchange holes increases the radiating area and is used for enhancing the radiation of the electric heater to the interior of the carriage;
the top end and the bottom end of the back of the shell are both provided with insulation board slots for installing insulation boards, the insulation boards are inserted into the insulation board slots and tightly attached to the side wall of the carriage, and the insulation boards are used for reducing the heat dissipation loss of the electric heater to the side wall of the carriage; the left upper end, the left lower end, the right upper end and the right lower end of the back of the shell are provided with 4 fixed lug plates, mounting holes formed in the fixed lug plates are connected with bolts in a matched mode, and the electric heater is mounted on the side wall of the carriage through the bolts; the inner wall of the back of the shell is provided with graphene heating wire clamping grooves for mounting graphene heating wires, and the graphene heating wire clamping grooves are distributed at equal intervals;
the heating element is composed of graphene heating wires, the graphene heating wires are arranged in a snake shape and wound in the uniformly arranged graphene heating wire clamping grooves, and the graphene heating wires are connected with an environmental variable monitor and are packaged by a shell and a heat insulation plate; two side faces, close to the graphene heating wire clamping groove, of the shell are provided with at least one graphene heating wire wiring hole, and the graphene heating wires are inserted into the shell from the outside;
the temperature control system comprises a control host, a plurality of environment variable monitors and a temperature display liquid crystal screen, wherein the control host is arranged in a cab, the environment variable monitors are used as slave computers, are arranged on the side surface of an electric heater shell of each carriage and are connected with the graphene heating wire through a live wire and a zero line; the temperature display liquid crystal screen is arranged in a window formed in the side panel of the shell and used for displaying the current temperature in the carriage; the control host controls the work of the environment variable monitor, and the temperature in the carriage is always kept within a set range.
Further, the total length of the single graphene heating wire is 8.05m and is placed in a carriage at 22 ℃, or the total length of the single graphene heating wire is 8.35m and is placed in a carriage at 24 ℃.
Further, the distance between two adjacent graphene heating wire clamping grooves is 8 mm.
Furthermore, the control host controls a relay in the environment variable monitor to be closed by utilizing Wifi so as to control the environment variable monitor to work, and meanwhile, the environment variable monitor feeds the compartment environment temperature acquired by the temperature probe back to the control host through Wifi; and when the network fails, the environment variable monitor works independently through a program set in the environment variable monitor.
Compared with the prior art, the utility model has the advantages of it is following:
1. the utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire adopts graphite alkene heating wire to heat, has not only improved thermal conversion efficiency, but also can improve the interior temperature distribution of carriage, has improved the passenger and has taken the comfort level. Graphene is the highest thermal conductivity material so far, and has good heat conduction efficiency and no attenuation.
2. The utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire adopts graphite alkene heater wire to heat, and the energy can be saved, and the thermal effect is the same, saves about 30% of electric quantity than the wire heater wire.
3. The utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heating wire, the graphite alkene heating wire long service life of adoption, graphite alkene heating wire life proves to exceed 30 years after 3700V high-voltage testing. The graphene heating wire is high in strength, and can effectively avoid the phenomena of fracture, electric shock, easy ignition and the like in use. Far infrared rays generated by graphene heating have good treatment and health care effects on rheumatism and scapulohumeral periarthritis.
4. The utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire, face guard back are the heat insulating board, can effectively reduce the loss of heat to the automobile body side wall.
5. The utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire for city rail vehicle heating can overcome in the past cold and warm type air conditioning unit heating and air conditioner preheat electric heater compensation heating temperature field inhomogeneous, the fresh air volume is not enough, the energy consumption is big and travelling comfort shortcoming such as poor, can also realize closed loop temperature regulation, offers the good trip of passenger to experience.
6. The utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire, on every electric heater need 116T style of calligraphy heat dissipation wings and 77 heat exchange holes altogether, increase the heat radiating area of electric heater, make its area of contact with the air increase by a wide margin, the heat dispersion of electric heater is showing and is improving, and processing technology is simple and convenient moreover, convenient clean electric heater surface.
Based on the reason, the utility model discloses can extensively promote in fields such as heating.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a three-dimensional schematic view of the whole side of the utility model.
Fig. 2 is a three-dimensional schematic view of the whole back of the utility model.
Fig. 3 is a front view of the middle housing of the present invention.
Fig. 4 is a rear view of the middle housing of the present invention.
Fig. 5 is an enlarged view of the heat exchanging hole at the top of the middle housing according to the present invention.
Fig. 6 is an installation schematic diagram of the graphene heater wire according to the present invention.
Fig. 7 is a partial enlarged view of the T-shaped heat dissipation fin of the present invention.
Fig. 8 is a partial enlarged view of the clamping groove of the graphene heating wire of the present invention.
Fig. 9 is a schematic structural view of the middle heat-insulating plate of the present invention.
Fig. 10 is a structural diagram of the medium temperature control system of the present invention.
Fig. 11 is a schematic diagram of the environment variable monitor of the present invention.
In the figure: 1. t-shaped radiating fins; 2. a temperature display liquid crystal screen; 3. a graphene heater wire wiring hole; 4. a thermal insulation board; 5. a heat preservation slot; 6. fixing the ear plate; 7. a heat exchange aperture; 8. a graphene heater wire clamping groove; 9. graphene heater wire.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Heating and air conditioner preheating electric heater compensation heating temperature field is inhomogeneous to cold-warm type air conditioning unit, and the fresh air volume is not enough, the relatively poor problem of passenger's comfort level, as shown in fig. 1-11, the utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire, include: the heating element and the temperature control system are arranged in the shell.
The shell is provided with T-shaped radiating fins 1 and heat exchange holes 7, the cross section of each T-shaped radiating fin 1 is T-shaped, 116 fins are arranged in total, and the outer front surface of the shell is distributed in a row at equal intervals and is distributed in an array; 77 heat exchange holes 7 are formed and are uniformly distributed on the top of the shell; the T-shaped radiating fins 1 and the heat exchange holes 7 are combined to increase the radiating area, so that the radiating of the electric heater to the inside of the carriage is enhanced.
The top end and the bottom end of the back of the shell are both provided with a heat-insulation plate slot 5 for mounting a heat-insulation plate 4, and the heat-insulation plate 4 is inserted into the heat-insulation plate slot 5 and clings to the side wall of the carriage so as to reduce the heat dissipation loss of the electric heater to the side wall of the carriage; the left upper end, the left lower end, the right upper end and the right lower end of the back of the shell are provided with 4 fixed ear plates 6 with mounting holes inside, the fixed ear plates 6 are connected with bolts in a matching way, and the electric heater is fixedly mounted on the side wall of the carriage through the bolts; the back inner wall of shell is seted up and is used for installing graphite alkene heater wire draw-in groove 8 of graphite alkene heater wire 9, and the equal interval distributes.
The heating element is composed of graphene heating wires 9, the graphene heating wires 9 are arranged in a snake shape and wound in the graphene heating wire clamping grooves 8 which are uniformly arranged, and the graphene heating wires 9 are connected with an environment variable monitor and are packaged by a shell and a heat insulation plate 4; be close to graphite alkene heater wire draw-in groove 8 at least one graphite alkene heater wire wiring hole 3 has been seted up to shell both sides face, be used for graphite alkene heater wire 9 gets into by outside interlude in the shell.
The temperature control system comprises a control host, a plurality of environment variable monitors and a temperature display liquid crystal screen 2, wherein the control host is arranged in a cab, the environment variable monitors are used as slave computers, are arranged on the side surface of an electric heater shell of each carriage and are connected with the graphene heating wire 9 through a live wire and a zero line; the temperature display liquid crystal screen 2 is arranged in a window formed in the side panel of the shell and used for displaying the current temperature in the carriage; the control host controls the work of the environment variable monitor, and the temperature in the carriage is always kept within a set range.
Preferably, the total length of the single graphene heating wire 9 is 8.05m and is placed in a 22 ℃ compartment, or the total length of the single graphene heating wire 9 is 8.35m and is placed in a 24 ℃ compartment.
Preferably, the distance between two adjacent graphene heating wire clamping grooves 8 is 8 mm. And setting the number and the intervals of the graphene heating wire clamping grooves 8 according to the calculated power of the electric heater required for carriage heating.
Preferably, the control host controls a relay in the environment variable monitor to be closed by utilizing Wifi so as to control the environment variable monitor to work, and meanwhile, the environment variable monitor feeds back the compartment environment temperature acquired by the temperature probe to the control host through Wifi; and when the network fails, the environment variable monitor works independently through a program set in the environment variable monitor. Specifically, when temperature control system opened, graphite alkene heater wire 9 circular telegram began work in the electric heater, the control host computer sends out the instruction to each environmental variable monitor through Wifi, the environmental variable monitor is through the automatic sampling of temperature probe to ambient temperature, instant monitoring to send gained temperature data to the host computer through Wifi, the switch of the inside relay of control environmental variable monitor is passed through by the host computer in the driver's cabin, thereby opening and closing of control graphite alkene electric heater, make the interior temperature of carriage can keep in certain extent. If the network fails, each environment variable monitor can work independently according to a preset program in the environment variable monitor. The double insurance can ensure that the temperature in the carriage is always maintained within a set value range, thereby ensuring the comfort of passengers.
Example 1
The utility model provides a three parts of shell, heating element and temperature control system are total installed in carriage seat below to city rail vehicle compensation formula electric heater based on graphite alkene heater wire.
A housing: the housing as a whole is shown in fig. 1. The back of the housing is shown in fig. 2. The front surface of the shell is made into 116T-shaped radiating fins 1 distributed in an array, and an enlarged view of the T-shaped radiating fins 1 is shown in FIG. 7. A row of 77 heat exchange holes 7 are uniformly distributed at the top and the bottom of the shell to enhance heat dissipation into the compartment, and an enlarged view of the heat exchange holes 7 is shown in fig. 5. The back of the shell is provided with graphene heating wire clamping grooves 8, and the distance between every two adjacent graphene heating wire clamping grooves 8 is 8mm and the two adjacent graphene heating wire clamping grooves are uniformly arranged, as shown in fig. 4. The specific position of the graphene heating wire clamping groove 8 is shown in fig. 8. The bottom end of the back of the shell is provided with an insulation board slot 5, and the position of the insulation board slot 5 is shown in figure 1. Heated board 4 adopts VIP panel, avoids the heat transfer that the air convection arouses effectively, has environmental protection and energy-efficient characteristic, and heated board 4 inserts in heated board slot 5, hugs closely the automobile body lateral wall, and the heat that effectively prevents graphite alkene heating wire and send scatters and disappears outward to automobile body lateral wall, and heated board 4 design is shown in fig. 9. The left upper end, the left lower end, the right upper end and the right lower end of the back of the shell are provided with 4 fixing ear plates 6 with mounting holes, the electric heater is mounted on the side wall of the carriage through bolts, and the positions of the fixing ear plates 6 are shown in figure 3.
Heating element: the installation manner of the graphene heater wire 9 in the graphene heater wire clamping groove 8 is shown in fig. 6. The 9 snakelike range of graphite alkene heater wire is in graphite alkene heater wire draw-in groove 8, and single graphite alkene heater wire 9 overall length is 8.05m (place in 22 ℃ of the temperature carriage) or 8.35m (place in 24 ℃ of the temperature carriage), adopts the mode of single series connection to arrange, links to each other with the environmental variable monitor through graphite alkene heater wire wiring hole 3, is encapsulated by shell and heat insulating board 4.
A temperature control system: the structure of the temperature control system is shown in fig. 10. The environment variable monitor is internally provided with a temperature sensor, a temperature probe, a relay, an FC-201/Sp data transmission module and the like, wherein the single chip microcomputer of the environment variable monitor adopts an MSP430F1121 single chip microcomputer, the temperature sensor adopts a DBS18B20 digital temperature sensor, and the temperature is set through a key. The environmental variable monitor is installed on the side surface of the electric heater shell of each carriage and is connected with the graphene heating wire 9 through a live wire and a zero line. A control host controls a plurality of environmental variable monitors, and a schematic diagram of the environmental variable monitors is shown in fig. 11. The control host machine controls the relay in the environment variable monitor (slave machine) to be closed by utilizing Wifi so as to control the environment variable monitor to work, and meanwhile, the environment variable monitor (slave machine) feeds back the compartment environment temperature collected by the temperature probe to the control host machine through Wifi. When the network fails, the environment variable monitor (slave) works independently through a program set in the slave. Specifically, as the temperature control system structure shown in fig. 10, when the temperature control system is opened, the host computer sends out an instruction to each environment variable monitor through Wifi, the environment variable monitors automatically collect the environment temperature through a temperature probe, and feeds back the obtained temperature data to the host computer through Wifi, and the host computer controls the environment variable monitors to work through the relay closure inside the environment variable monitors controlled by Wifi signals. When the network breaks down, the environment variable monitor can work independently according to the program set in the environment variable monitor. The double insurance can ensure that the temperature in the carriage is always maintained in a certain set range, and the comfort level of passengers in the carriage is ensured. The temperature probe connected with the environment variable monitor senses the change of the environment temperature of the carriage, and the control host controls the electric heater to work by controlling the environment variable monitor (slave) to work, so that the temperature in the carriage is kept within a certain range. The control host is installed in the cab, the environment variable monitor (slave) forms a closed-loop temperature control system through Wifi and intelligent temperature control of a graphene heating wire 9 connected to the electric heater, the host presets temperature, the slave collects carriage environment temperature through a temperature probe and feeds the carriage environment temperature back to the host, the host controls a switch (relay) in the slave to work after receiving signals, heating according to needs is achieved, the purpose of energy conservation is achieved, temperature in the carriage is adjusted in real time, and the temperature is displayed on a temperature display liquid crystal screen 2 (an LED display screen) on the electric heater, so that the temperature stability is guaranteed.
Through changing the mode that provides different heating volumes to the electric heater heating wire length of installing in different carriages, carry out temperature zone control to urban rail vehicle, realize the different temperatures of same car.
As described above, the shape and size of the housing and the total length of the graphene heating wire can be changed according to the size of a vehicle model for specific applications; the placement position of the environment variable monitor can be changed according to the requirement; the utility model discloses the range of application can be extended to rail vehicles such as ordinary air-conditioned passenger train, high-speed railway etc..
The utility model belongs to rail vehicle electric heating field to improve electric heat conversion efficiency and adjust carriage temperature as required and be the purpose, have can be according to the characteristics of environmental feedback automatically regulated temperature, temperature distribution are even, simple installation, energy-concerving and environment-protective, can improve the thermal comfort of urban rail vehicle heating.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a city rail vehicle compensation formula electric heater based on graphite alkene heater wire which characterized in that includes: the heating element and the temperature control system are arranged in the shell;
the shell is provided with T-shaped radiating fins (1) and heat exchange holes (7), the cross section of each T-shaped radiating fin (1) is T-shaped, 116 fins are arranged in total, and the radiating fins are distributed in a row at equal intervals on the front surface of the outer part of the shell and are distributed in a linear array; 77 heat exchange holes (7) are formed and are uniformly distributed on the top of the shell;
the top end and the bottom end of the back of the shell are both provided with a heat insulation plate slot (5) for mounting a heat insulation plate (4), and the heat insulation plate (4) is inserted into the heat insulation plate slot (5) and clings to the side wall of the carriage; the left upper end, the left lower end, the right upper end and the right lower end of the back of the shell are provided with 4 fixed ear plates (6), bolts are connected in mounting holes in the fixed ear plates (6) in a matching mode, and the electric heater is mounted on the side wall of the carriage through the bolts; graphene heating wire clamping grooves (8) for mounting graphene heating wires (9) are formed in the inner wall of the back of the shell and are distributed at equal intervals;
the heating element is composed of graphene heating wires (9), the graphene heating wires (9) are arranged in a snake shape and wound in the graphene heating wire clamping grooves (8) which are uniformly arranged, and the graphene heating wires (9) are connected with an environment variable monitor and are packaged by a shell and a heat insulation board (4); two side faces, close to the graphene heating wire clamping groove (8), of the shell are provided with at least one graphene heating wire wiring hole (3) for the graphene heating wire (9) to penetrate into the shell from the outside;
the temperature control system comprises a control host, a plurality of environment variable monitors and a temperature display liquid crystal screen (2), wherein the control host is arranged in a cab, the environment variable monitors are used as slave computers, are arranged on the side surface of an electric heater shell of each carriage and are connected with the graphene heating wire (9) through a live wire and a zero wire; the temperature display liquid crystal screen (2) is arranged in a window formed in the side panel of the shell and used for displaying the current temperature in the carriage; the control host controls the work of the environment variable monitor, and the temperature in the carriage is always kept within a set range.
2. The urban rail vehicle compensation type electric heater based on graphene heating wires as claimed in claim 1, wherein the total length of a single graphene heating wire (9) is 8.05m and is placed in a carriage at 22 ℃, or the total length of a single graphene heating wire (9) is 8.35m and is placed in a carriage at 24 ℃.
3. The urban rail vehicle compensation type electric heater based on graphene heating wires as claimed in claim 1, wherein the distance between two adjacent graphene heating wire clamping grooves (8) is 8 mm.
4. The urban rail vehicle compensation type electric heater based on the graphene heating wire as claimed in claim 1, wherein the control host controls a relay in the environment variable monitor to be closed by utilizing Wifi so as to control the environment variable monitor to work, and meanwhile, the environment variable monitor feeds back the compartment environment temperature acquired by the temperature probe to the control host through Wifi; and when the network fails, the environment variable monitor works independently through a program set in the environment variable monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120427158.2U CN214648272U (en) | 2021-02-26 | 2021-02-26 | Urban rail vehicle compensation type electric heater based on graphene heating wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120427158.2U CN214648272U (en) | 2021-02-26 | 2021-02-26 | Urban rail vehicle compensation type electric heater based on graphene heating wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214648272U true CN214648272U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120427158.2U Active CN214648272U (en) | 2021-02-26 | 2021-02-26 | Urban rail vehicle compensation type electric heater based on graphene heating wire |
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| CN (1) | CN214648272U (en) |
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2021
- 2021-02-26 CN CN202120427158.2U patent/CN214648272U/en active Active
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