CN217363348U - Temperature measuring type electric heating body - Google Patents
Temperature measuring type electric heating body Download PDFInfo
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- CN217363348U CN217363348U CN202221189384.2U CN202221189384U CN217363348U CN 217363348 U CN217363348 U CN 217363348U CN 202221189384 U CN202221189384 U CN 202221189384U CN 217363348 U CN217363348 U CN 217363348U
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Abstract
The utility model relates to an electric heating body field provides a temperature measurement type electric heating body for solving among the prior art because the unsatisfactory problem of effect appears preheating easily in the electric heating body heating, including insulating base member, wherein: the heating assembly capable of measuring temperature is arranged in the insulating base body and comprises a first connecting portion and a second connecting portion, the connecting end of the first connecting portion is connected with the connecting end of the second connecting portion, and the free end of the first connecting portion and the free end of the second connecting portion stretch out of the insulating base body.
Description
Technical Field
The utility model relates to an electric heating body field specifically is a temperature measurement type electric heating body.
Background
Diesel engines may have difficulty starting in cold winter weather due to the high combustion point of diesel. The electric heater, also called a glow plug, mainly functions to heat the gas in the cylinder in cold weather, so as to facilitate the starting of the engine. The existing electric heating body comprises a shell and a heating wire fixed by an insulating material in the shell, the temperature of the heating wire rises after the electric heating body is electrified, and the electric heating body generates heat, so that an engine is preheated, the engine can be started smoothly and combusted fully, meanwhile, the electric heating body generates heat and can also preheat engine oil, the engine oil basically reaches enough mobility, and finally a lubricating effect is achieved between components. However, when the temperature during preheating is too low during use, the ideal preheating effect cannot be achieved, which may result in a reduction in the service life of the engine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a temperature measurement type electric heating body to solve among the prior art because the unsatisfactory problem of effect appears preheating easily at electric heating body.
The utility model provides a basic scheme is: temperature measurement type electric heating body, including insulating base member, wherein: the heating assembly capable of measuring temperature is arranged in the insulating base body and comprises a first connecting portion and a second connecting portion, the connecting end of the first connecting portion is connected with the connecting end of the second connecting portion, and the free end of the first connecting portion and the free end of the second connecting portion stretch out of the insulating base body.
The basic scheme has the beneficial effects that: compare with the electric heating body among the prior art, in this scheme, the temperature measurement function to the heating element is realized in the time of generating heat to the heating element that the utilization can the temperature measurement, reaches the purpose of real time monitoring electric heating body temperature to can guarantee good preheating effect, just also can prolong the life of engine.
Furthermore, the first connecting part and the second connecting part are metal heating wires with different electric conductivities. Has the beneficial effects that: utilize the metal heater of different conductibilities to constitute behind the heating element, in the use, insert the power with the heating element, constitute closed circuit, after the heating element circular telegram, the heater generates heat, realize preheating function, and at above-mentioned in-process, the link and the free end of first connecting portion and second connecting portion appear the temperature difference, therefore take place the thermoelectric potential in the return circuit, again according to the functional relation of thermoelectric potential and temperature, just also can learn the temperature, just also realized the temperature measurement function, moreover, the steam generator is simple in structure, and the metal heater is as the heating wire commonly used, easily acquire, can reduce the manufacturing cost of product.
Further, the first connecting portion and the second connecting portion are conductive heating ceramic bodies with different conductivities. Has the advantages that: in this scheme, utilize the electrically conductive ceramic body that generates heat of different conductibility to form heating element after, during the use, insert the power with heating element, constitute closed circuit, after heating element circular telegram, the heater generates heat, realize preheating function, and at above-mentioned in-process, the temperature difference appears at the link and the free end of first connecting portion and second connecting portion, consequently, take place the hot electric potential in the return circuit, again according to the functional relation of hot electric potential and temperature, just also can learn the temperature, just also realized the temperature measurement function, moreover, the structure is simple, and the electrically conductive ceramic body that generates heat can be faster generate heat, thereby preheating efficiency has been improved.
Furthermore, the first connecting part is a metal heating wire, and the second connecting part is a thermocouple. Has the advantages that: in the scheme, the metal heating wire is used for heating, the thermocouple is used for measuring the temperature, and the structure is simple.
Further, the first connecting portion is a conductive heating ceramic body, and the second connecting portion is a thermocouple. Has the advantages that: in this scheme, utilize the electrically conductive ceramic body that generates heat to generate heat, utilize the thermocouple to carry out the temperature measurement, simple structure.
Furthermore, the device also comprises a metal shell, and the insulating matrix is filled in the metal shell. Has the advantages that: in this scheme, metal casing's setting can play the guard action to the life of extension product.
Furthermore, still include metal casing, insulating substrate is located metal casing, and the one end and the second connecting portion of first connecting portion are connected, and the other end is connected with metal casing, and first connecting portion are the same and integrated into one piece setting with the second connecting portion. Has the advantages that: in this scheme, heating element and metal casing are connected the back, and the circular telegram back, and heating element normally generates heat, and this moment because heating element still is connected with metal casing, consequently the temperature difference appears between heating element and the metal casing, the thermoelectric potential appears in the return circuit to realize temperature measurement function, simple structure.
Furthermore, still include metal casing, insulating substrate is located metal casing, and the one end and the second connecting portion of first connecting portion are connected, and the other end is connected with the galvanic couple silk, and first connecting portion are the same and integrated into one piece setting with the second connecting portion. Has the advantages that: in the scheme, the first connecting part and the second connecting part are electrified to generate heat, the thermocouple wires are used for measuring the temperature, and the operation is simple.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the temperature measurement type electric heater of the present invention;
fig. 2 is a schematic structural diagram of a first embodiment of the temperature measurement type electric heater of the present invention;
fig. 3 is a schematic structural view of a second embodiment of the temperature measuring electric heater of the present invention;
fig. 4 is a schematic structural diagram of a third embodiment of the temperature measurement type electric heater of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 4;
fig. 7 is a schematic structural diagram of a third embodiment of the temperature measurement type electric heater of the present invention;
fig. 8 is a schematic structural view of a fourth embodiment of the temperature measurement type electric heater of the present invention;
FIG. 9 is a cross-sectional view A-A of FIG. 8;
fig. 10 is a fifth structural schematic view of the temperature measuring type electric heater according to the embodiment of the present invention;
FIG. 11 is a cross-sectional view A-A of FIG. 10;
fig. 12 is a schematic structural diagram of a fifth embodiment of the temperature measurement type electric heater of the present invention;
fig. 13 is a schematic structural view of a sixth embodiment of the temperature measuring electric heater of the present invention;
FIG. 14 is a cross-sectional view A-A of FIG. 13;
fig. 15 is a schematic structural view of a seventh embodiment of the temperature measurement type electric heater of the present invention;
fig. 16 is a schematic structural diagram of an eighth embodiment of the temperature measurement type electric heater of the present invention;
FIG. 17 is a cross-sectional view A-A of FIG. 16;
fig. 18 is a schematic structural view of a ninth embodiment of the temperature measurement type electric heater of the present invention;
FIG. 19 is a cross-sectional view A-A of FIG. 18;
FIG. 20 is a cross-sectional view taken along line B-B of FIG. 18;
fig. 21 is a schematic structural diagram of a tenth embodiment of the temperature-measuring electric heater of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the thermocouple comprises a metal shell 1, a first connecting part 2, a second connecting part 3, a connecting point 23, an insulating base 4 and a thermocouple wire 5.
Example one
Substantially as shown in figures 1 and 2 of the accompanying drawings: temperature measurement type electric heater, including insulating base member 4, wherein: a heating component capable of measuring temperature is arranged in the insulating base body 4, the heating component comprises a first connecting part 2 and a second connecting part 3, the connecting end of the first connecting part 2 is connected with the connecting end of the second connecting part 3, and the free end of the first connecting part 2 and the free end of the second connecting part 3 extend out of the insulating base body 4; in this embodiment, the insulating base 4 may be made of, for example, magnesium oxide, aluminum oxide, or zirconium oxide.
In this embodiment, the metal casing 1 is further included, the insulating matrix 4 is filled inside the metal casing 1, and the insulating matrix 4 is an insulating filler, for example. The first connecting portion 2 and the second connecting portion 3 are metal heating wires with different electric conductivities, the metal heating wires can adopt iron-chromium-aluminum alloy wires, nickel-chromium alloy wires, tungsten wires and the like, the connecting end of the first connecting portion 2 is connected with the connecting end of the second connecting portion 3, in the embodiment, the connecting ends of the first connecting portion 2 and the second connecting portion 3 are welded at the connecting point 23, the free end of the first connecting portion 2 and the free end of the second connecting portion 3 extend out of the shell 1, the free ends of the first connecting portion 2 and the second connecting portion 3 are straight lines, and the connecting ends of the first connecting portion 2 and/or the second connecting portion 3 are spiral-shaped, as shown in fig. 1, the connecting ends of the first connecting portion 2 and the second connecting portion 3 are spiral-shaped, as shown in fig. 2, the connecting end of the first connecting portion 2 is spiral-shaped, and the second connecting portion 3 is integrally straight lines.
The specific implementation process is as follows: the utility model provides a temperature measurement type electric heating body is when using, needs will insert the power earlier with the one end of stretching out casing 1's first connecting portion 2 and second connecting portion 3, and first connecting portion 2 and second connecting portion 3 and power are constituteed closed loop. When the electric heating device is used, the power supply supplies power, the first connecting part 2 and the second connecting part 3 have current to pass through, and then the first connecting part 2 and the second connecting part 3 generate heat to preheat. In the process, the temperature difference occurs between the connecting end and the free end of the first connecting part 2 and the second connecting part 3, so that the thermoelectric potential is generated in the loop, and the temperature can be known according to the functional relation between the thermoelectric potential and the temperature, and the temperature measuring function is realized.
Example two
The difference from the first embodiment is that, in the present embodiment, as shown in fig. 3, the first connection portion 2 is a metal heating wire, the second connection portion is a metal housing 1, and one end of the first connection portion 2 is connected to the second connection portion 1.
EXAMPLE III
The second difference from the second embodiment is that, as shown in fig. 4-7, the second embodiment further includes a thermocouple wire 5, the first connecting portion 2 and the second connecting portion 3 are metal heating wires, the first connecting portion 2 and the second connecting portion 3 are identical and integrally formed, and the free end extends out of the insulating base 4, and the thermocouple wire 5 is located in the insulating base 4 and is disposed adjacent to the heating element. When the thermocouple is used, the heating component is electrified to generate heat, and the thermocouple wire 5 measures the temperature. Wherein, the winding method of the metal heating wire in fig. 7 is different from that in fig. 4.
Example four
The difference from the first embodiment is that, in the present embodiment, the first connection portion 2 is a metal heating wire, the second connection portion 3 is a thermocouple, the connection end of the first connection portion 2 is a middle end, and the connection end of the second connection portion 3 is connected to the middle end of the first connection portion 2, as shown in fig. 8 to 9.
EXAMPLE five
The difference from the first embodiment is that, in the present embodiment, the metal shell 1 is not provided, and the insulating substrate 4 is a non-conductive ceramic, such as: alumina, magnesia, zirconia, and the like. As shown in fig. 10-12, the first connection portion 2 and the second connection portion 3 are metal heating wires with different conductivities, wherein the winding method of the metal heating wire in fig. 10 is different from that in fig. 12.
EXAMPLE six
The difference from the fifth embodiment is that, in the present embodiment, the first connection portion 2 and the second connection portion 3 are conductive heat generating ceramic bodies having different conductivities, such as: molybdenum silicide, silicon carbide, etc., as shown in fig. 13-14.
EXAMPLE seven
The sixth difference from the sixth embodiment is that in the present embodiment, a thermocouple wire 5 is further included, the first connection portion 2 and the second connection portion 3 are the same and integrally formed, and the free end extends out of the insulating base 4, and the thermocouple wire 5 is located in the insulating base 4 and is disposed adjacent to the heating element. When the thermocouple is used, the heating component is electrified to generate heat, and the thermocouple wire 5 measures the temperature as shown in fig. 15.
Example eight
The seventh difference from the embodiment is that, in the embodiment, the first connection portion 2 is a metal heating wire, the second connection portion 3 is a thermocouple, the connection end of the first connection portion 2 is a middle end, and the connection end of the second connection portion 3 is connected with the middle end of the first connection portion 2, as shown in fig. 16 to 17.
Example nine
The difference from the eighth embodiment is that in this embodiment, the thermocouple wire 5 is further included, the first connection portion 2 and the second connection portion 3 are conductive heating ceramic bodies, the first connection portion 2 and the second connection portion 3 are identical and integrally formed, and the free end extends out of the insulating base 4, and the thermocouple wire 5 is located in the insulating base 4 and is disposed adjacent to the heating element, as shown in fig. 18 to 20. When the temperature measuring device is used, the heating component heats after being electrified, and the thermocouple wire 5 measures the temperature.
Example ten
The difference from the eighth embodiment is that, in the present embodiment, the first connection portion 2 is a conductive heating ceramic body, the second connection portion 3 is a thermocouple, the connection end of the first connection portion 2 is a middle end, and the connection end of the second connection portion 3 is connected to the middle end of the first connection portion 2, as shown in fig. 21.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. Temperature measurement type electric heater, including insulating base member, its characterized in that: the temperature measuring device is characterized in that a heating component capable of measuring temperature is arranged in the insulating base body, the heating component comprises a first connecting portion and a second connecting portion, the connecting end of the first connecting portion is connected with the connecting end of the second connecting portion, and the free end of the first connecting portion and the free end of the second connecting portion extend out of the insulating base body.
2. The temperature measuring type electric heater according to claim 1, wherein: the first connecting part and the second connecting part are metal heating wires with different electric conductivities.
3. The temperature measuring type electric heater according to claim 1, wherein: the first connecting part and the second connecting part are conductive heating ceramic bodies with different conductivities.
4. The temperature measuring type electric heater according to claim 1, wherein: the first connecting part is a metal heating wire, and the second connecting part is a thermocouple.
5. The temperature measuring type electric heater according to claim 1, wherein: the first connecting part is a conductive heating ceramic body, and the second connecting part is a thermocouple.
6. The temperature measurement type electric heater according to claim 2 or 4, wherein: the insulating substrate is filled in the metal shell.
7. The temperature measuring type electric heater according to claim 1, wherein: still include metal casing, insulating substrate is located in the metal casing, the one end of first connecting portion with the second connecting portion are connected, the other end with metal casing connects, first connecting portion with the same and integrated into one piece setting of second connecting portion.
8. The temperature measurement type electric heater according to claim 1, wherein: the insulating base body is positioned in the metal shell, one end of the first connecting portion is connected with the second connecting portion, the other end of the first connecting portion is connected with a thermocouple wire, and the first connecting portion and the second connecting portion are identical and are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221189384.2U CN217363348U (en) | 2022-05-18 | 2022-05-18 | Temperature measuring type electric heating body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221189384.2U CN217363348U (en) | 2022-05-18 | 2022-05-18 | Temperature measuring type electric heating body |
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| Publication Number | Publication Date |
|---|---|
| CN217363348U true CN217363348U (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221189384.2U Active CN217363348U (en) | 2022-05-18 | 2022-05-18 | Temperature measuring type electric heating body |
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| CN (1) | CN217363348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777155A (en) * | 2022-05-25 | 2022-07-22 | 重庆利迈科技有限公司 | Four-wire temperature-measurable electric heating and ignition device |
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2022
- 2022-05-18 CN CN202221189384.2U patent/CN217363348U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777155A (en) * | 2022-05-25 | 2022-07-22 | 重庆利迈科技有限公司 | Four-wire temperature-measurable electric heating and ignition device |
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