CN220456177U - Ceramic resistor with temperature monitoring function - Google Patents
Ceramic resistor with temperature monitoring function Download PDFInfo
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- CN220456177U CN220456177U CN202322091477.2U CN202322091477U CN220456177U CN 220456177 U CN220456177 U CN 220456177U CN 202322091477 U CN202322091477 U CN 202322091477U CN 220456177 U CN220456177 U CN 220456177U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 77
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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Abstract
The utility model provides a ceramic resistor with temperature monitoring, which relates to the technical field of electronic components and comprises the following components: the ceramic resistor comprises an insulating base, wherein a screw is arranged in the center of the insulating base upwards, and a first electrode, a ceramic resistor disc and a second electrode are sleeved outside the screw from bottom to top in sequence; the first electrode and the second electrode are respectively connected with two poles of a power supply, so that current enters the ceramic resistor disc from the first electrode or the second electrode and returns to the second electrode or the first electrode to form a conductive loop; and a temperature sensor is arranged on the second electrode and used for monitoring the real-time temperature of the ceramic resistor. The utility model has the advantages of small volume, convenient installation and wiring, high mechanical strength, impact resistance and high temperature resistance, can realize the function of absorbing energy in the charging and discharging processes of the battery and the electric pile in the limited space of the vehicle, is provided with a temperature measuring device, and has the characteristics of simple and convenient operation, miniaturization, light weight and high reliability.
Description
Technical Field
The utility model relates to the technical field of electronic components, in particular to a ceramic resistor with temperature monitoring.
Background
The resistor elements produced at home at present are: carbon film resistor, metal wire-wound resistor, metal resistance sheet, etc., wherein the high-power resistor mainly adopts the wire-wound resistor, mainly is used in needing to release the circuit of great pulse energy in the short time, but the wire-wound resistor is limited by its own characteristics, its volume is big, the temperature rises, the resistance is unstable, can't accomplish miniaturization, and impact energy resistance, heavy current capability are lower, the reliability is relatively poor.
Disclosure of Invention
In view of the technical problems existing in the background technology, the utility model provides a ceramic resistor with temperature monitoring, which can solve the defects of large volume and high temperature rise of the wire-wound resistor while ensuring that the resistor can rapidly discharge energy of batteries and electric stacks.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a ceramic resistor with temperature monitoring, comprising: the ceramic resistor comprises an insulating base, wherein a screw is arranged in the center of the insulating base upwards, and a first electrode, a ceramic resistor disc and a second electrode are sleeved outside the screw from bottom to top in sequence;
the first electrode and the second electrode are respectively connected with two poles of a power supply, so that current enters the ceramic resistor disc from the first electrode or the second electrode and returns to the second electrode or the first electrode to form a conductive loop;
and a temperature sensor is arranged on the first electrode or the second electrode, and the real-time temperature of the ceramic resistor is monitored.
As a further improvement of the present utility model, the ceramic resistor sheet includes one or more sheets.
As a further improvement of the present utility model, when the ceramic resistor includes a plurality of ceramic resistor sheets, a plurality of ceramic resistor sheets are connected in series or a plurality of ceramic resistor sheets are connected in parallel.
As a further improvement of the utility model, the upper end of the screw is provided with a nut, and the first electrode, the ceramic resistor disc and the second electrode are fastened on the insulating base through the nut.
As a further improvement of the utility model, an elastic gasket is arranged between the nut and the first electrode.
As a further improvement of the utility model, a temperature sensor is arranged at the edge of the second electrode, and the temperature sensor is led out through a connector and inserted into a system where the ceramic resistor is positioned, so as to monitor the real-time temperature of the ceramic resistor.
As a further improvement of the utility model, the first electrode and the second electrode are provided with positioning pins.
As a further improvement of the utility model, the first electrode is also provided with a press-riveting nut, and the positive electrode or the negative electrode of the power supply is connected through the press-riveting nut.
As a further improvement of the utility model, the insulating base is also provided with error-proofing holes.
Compared with the prior art, the utility model has the beneficial effects that:
the ceramic resistor has small volume, can realize the rapid energy release of the battery and the electric pile in the limited space of the vehicle, and solves the defects of large volume and high temperature rise of the wire-wound resistor; meanwhile, the on-line temperature monitoring function of the resistor can be realized, whether the product has the condition of being electrified again or not can be rapidly judged through on-line temperature monitoring, and the safety of a system and devices is ensured.
The ceramic resistor has the advantages of convenient installation and wiring, high mechanical strength, impact resistance and high temperature resistance, can realize the function of absorbing energy in the charging and discharging processes of a battery and a galvanic pile, is provided with a temperature measuring device, and has the characteristics of simple and convenient operation, miniaturization, light weight, high reliability, high safety and compact structure.
The two poles of the power supply are respectively connected with the two end electrodes of the product, the current enters the ceramic resistor disc through one end electrode of the product and returns to the other end electrode of the product, finally, a conductive loop is formed, the energy required to be released in the circuit is absorbed through the ceramic resistor disc, and the temperature sensor can monitor the temperature condition of the resistor in real time.
Drawings
FIG. 1 is a schematic diagram of a ceramic resistor with temperature monitoring according to one embodiment of the present utility model;
fig. 2 is a top view of a ceramic resistor with temperature monitoring according to one embodiment of the present utility model.
Reference numerals illustrate:
1. an insulating base; 2. a first electrode; 3. a ceramic resistor sheet; 4. a second electrode; 5. a screw; 6. an elastic pad; 7. a nut; 8. a temperature sensor; 9. a connector; 10. riveting a nut; 11. a positioning pin; 12. and (5) preventing holes from being misplaced.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1 and 2, the ceramic resistor with temperature monitoring provided by the present utility model includes: the ceramic resistor disc comprises a rectangular insulating base 1, wherein a screw 5 is arranged in the center of the insulating base 1 upwards, the screw 5 is a conventional cylindrical screw 5, a first electrode 2, a ceramic resistor disc 3 and a second electrode 4 are sleeved outside the screw 5 from bottom to top in sequence, and particularly, round holes are formed in the centers of the first electrode 2, the second electrode 4 and the ceramic resistor disc 3, and the screw 5 sequentially penetrates through the round holes in the centers of the second electrode 4, the ceramic resistor disc 3 and the first electrode 2 and is sleeved with the round holes;
the main bodies of the first electrode 2 and the second electrode 4 are round, but the round edges are outwards extended with irregular lugs which are used for connecting a power electrode and a temperature sensor 8, specifically, the first electrode 2 and the second electrode 4 are respectively connected with two poles of a power supply, so that current enters the ceramic resistor disc 3 from the first electrode 2 or the second electrode 4 and returns to the second electrode 4 or the first electrode 2 to form a conductive loop;
a temperature sensor 8 is provided on the first electrode 2 or the second electrode 4 to monitor the real-time temperature of the ceramic resistor.
Wherein,
the ceramic resistor disc 3 can be one or more pieces according to the circuit requirement;
when the ceramic resistor 3 comprises a plurality of ceramic resistor 3, a plurality of ceramic resistor 3 are connected in series or a plurality of ceramic resistor 3 are connected in parallel.
The upper end of the screw 5 is provided with a nut 7, and the first electrode 2, the ceramic resistor disc 3 and the second electrode 4 are fastened on the insulating base 1 through the nut 7;
an elastic gasket 6, such as a rubber gasket, is further arranged between the nut 7 and the first electrode 2, and the elastic gasket 6 can ensure that the connection between the nut 7 and the first electrode 2 is more tight, and meanwhile, the nut 7 is prevented from damaging the first electrode 2 in a screwing state.
The edge of the second electrode 4 is provided with a temperature sensor 8, and the temperature sensor 8 is led out through a connector 9 and is inserted into a system where the ceramic resistor is positioned, so that the real-time temperature of the ceramic resistor is monitored. Specifically, the edge of the circular main body of the second electrode 4 extends outwards to form an ear part for mounting the temperature sensor 8, the ear part is provided with a bolt hole, and the temperature sensor 8 is hung on the lower side of the second electrode 4 through a bolt; the temperature sensor 8 is led out by a standard connector 9, can be quickly inserted into a user system, and detects the real-time temperature of the ceramic resistor.
As shown in fig. 2, the first electrode 2 and the second electrode 4 are provided with positioning pins 11, so that a user can conveniently install the ceramic resistor in an electrical system, and reliability of the user in electrical connection is ensured.
The first electrode 2 is also provided with a press-riveting nut 10, and the positive electrode or the negative electrode of the power supply is connected through the press-riveting nut 10, so that the reliability of the user in electrical connection is ensured.
As shown in fig. 2, the insulating base 1 is further provided with a mistake proofing hole 12 to ensure the uniqueness of the mounting position of the ceramic resistor when the ceramic resistor is mounted in an electrical system.
As shown in fig. 2, the insulating base 1 has four corners thinner than other positions, and four corners are provided with mounting holes, and are fixedly mounted in the electrical system by being matched with the mounting holes through bolts.
Examples:
the utility model relates to a ceramic resistor with temperature monitoring, which comprises the following assembly and working processes:
step 1, sequentially sleeving and installing a first electrode 2, three ceramic resistor plates 3 and a second electrode 4 on a screw 5;
and step 2, continuously sleeving an elastic gasket 6 on the second electrode 4, and finally screwing a bolt on the screw 5 to fixedly mount the first electrode 2, the three ceramic resistor plates 3 and the second electrode 4 on the insulating base 1 and the screw 5.
And 3, hanging the temperature sensor 8 on the lower side of the first electrode 2 through the bolt hole of the ear part of the first electrode 2.
And 4, placing the ceramic resistor at a unique corresponding position in an electrical system through the error-proofing holes 12 on the insulating base 1, and limiting the ceramic resistor through the error-proofing holes 12 by a corresponding structure in the electrical system.
And 5, aligning the mounting holes at four corners of the insulating base 1 with the mounting holes corresponding to the mounting positions of the electrical system, and fixedly mounting the insulating base 1 at the corresponding positions in the electrical system through bolts.
Step 6, connecting and fixing the first electrode 2 and the second electrode 4 with corresponding structures in an electrical system through positioning pins 11;
and 7, after all the fixing and mounting are finished, the first electrode 2 is connected with the positive electrode of the power supply through the press-riveting nut 10, so that the reliability of the user in electric connection is ensured, and the second electrode 4 is connected with the negative electrode of the power supply.
And 8, in the working process, the temperature sensor 8 is led out from the connector 9 and is quickly inserted into a user electrical system to detect the temperature of the ceramic resistor in real time.
The utility model has the advantages that:
the utility model realizes the rapid energy release of the battery and the electric pile in the limited space of the vehicle, and solves the defects of large volume and high temperature rise of the wire-wound resistor; meanwhile, the on-line temperature monitoring function of the resistor can be realized, whether the product has the condition of being electrified again or not can be rapidly judged through on-line temperature monitoring, and the safety of a system and devices is ensured.
The ceramic resistor has the advantages of convenient installation and wiring, high mechanical strength, impact resistance and high temperature resistance, can realize the function of absorbing energy in the charging and discharging processes of a battery and a galvanic pile, is provided with a temperature measuring device, and has the characteristics of simple and convenient operation, miniaturization, light weight, high reliability, high safety and compact structure.
The two poles of the power supply are respectively connected with the two end electrodes of the product, the current enters the ceramic resistor disc through one end electrode of the product and returns to the other end electrode of the product, finally, a conductive loop is formed, the energy required to be released in the circuit is absorbed through the ceramic resistor disc, and the temperature sensor can monitor the temperature condition of the resistor in real time.
The above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but various modifications and variations are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. A ceramic resistor with temperature monitoring, comprising: the ceramic resistor comprises an insulating base, wherein a screw is arranged in the center of the insulating base upwards, and a first electrode, a ceramic resistor disc and a second electrode are sleeved outside the screw from bottom to top in sequence;
the first electrode and the second electrode are respectively connected with two poles of a power supply, so that current enters the ceramic resistor disc from the first electrode or the second electrode and returns to the second electrode or the first electrode to form a conductive loop;
and a temperature sensor is arranged on the first electrode or the second electrode, and the real-time temperature of the ceramic resistor is monitored.
2. The ceramic resistor with temperature monitoring of claim 1, wherein: the ceramic resistor sheet includes one or more sheets.
3. The ceramic resistor with temperature monitoring of claim 2, wherein: when the ceramic resistor comprises a plurality of ceramic resistor plates, the ceramic resistor plates are connected in series or connected in parallel.
4. The ceramic resistor with temperature monitoring of claim 1, wherein: the upper end of the screw rod is provided with a nut, and the first electrode, the ceramic resistor disc and the second electrode are fastened on the insulating base through the nut.
5. The ceramic resistor with temperature monitoring of claim 4, wherein: an elastic gasket is further arranged between the nut and the first electrode.
6. The ceramic resistor with temperature monitoring of claim 1, wherein: and a temperature sensor is arranged at the edge of the second electrode, is led out through a connector, is inserted into a system where the ceramic resistor is positioned, and monitors the real-time temperature of the ceramic resistor.
7. The ceramic resistor with temperature monitoring of claim 1, wherein: and positioning pins are arranged on the first electrode and the second electrode.
8. The ceramic resistor with temperature monitoring of claim 1, wherein: and the first electrode is also provided with a press-riveting nut, and the first electrode is connected with the positive electrode or the negative electrode of the power supply through the press-riveting nut.
9. The ceramic resistor with temperature monitoring of claim 1, wherein: and error-proofing holes are further formed in the insulating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091477.2U CN220456177U (en) | 2023-08-04 | 2023-08-04 | Ceramic resistor with temperature monitoring function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091477.2U CN220456177U (en) | 2023-08-04 | 2023-08-04 | Ceramic resistor with temperature monitoring function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220456177U true CN220456177U (en) | 2024-02-06 |
Family
ID=89724310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322091477.2U Active CN220456177U (en) | 2023-08-04 | 2023-08-04 | Ceramic resistor with temperature monitoring function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220456177U (en) |
-
2023
- 2023-08-04 CN CN202322091477.2U patent/CN220456177U/en active Active
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