CN214796970U

CN214796970U - Mixed type resistor

Info

Publication number: CN214796970U
Application number: CN202120368589.6U
Authority: CN
Inventors: 魏庄子; 仉增维; 刘新平
Original assignee: Guangdong Yijie Technology Co ltd
Current assignee: Guangdong Yijie Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-11-19
Anticipated expiration: 2031-02-08

Abstract

The application discloses a hybrid resistor, includes: a housing; a resistor body provided in the housing, the resistor body including a first resistor body and a second resistor body, one end of the first resistor body being electrically connected to one end of the second resistor body, the first resistor body and the second resistor body being different types of resistor bodies; the pins are arranged on the shell and comprise a first pin and a second pin; the first pin is electrically connected to the other end of the first resistor, and the second pin is electrically connected to the other end of the second resistor. According to the technical scheme, the overload and overcurrent capacity of the resistor can be improved, and the use performance of the resistor can be improved.

Description

Mixed type resistor

Technical Field

The application relates to the technical field of electronic components, in particular to a hybrid resistor.

Background

At present, a power resistor in the market, such as a cement resistor, is generally formed by winding a resistance wire on an alkali-free heat-resistant porcelain, placing the porcelain in a square porcelain shell, and filling and sealing the porcelain with incombustible heat-resistant cement; the resistor is high in resistance value and poor in overload and overcurrent capacity, and heat accumulation is easily formed on the resistance wire after long-time use, so that the resistance wire is fused or has other faults; in addition, the resistor is not suitable for high-power or high-voltage environments because the resistance of the resistor is formed by winding resistance wires.

SUMMERY OF THE UTILITY MODEL

The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a hybrid resistor, which can improve the overload and overcurrent capacity of the resistor and improve the service performance of the resistor.

A hybrid resistor according to an embodiment of the present application includes:

a housing;

the resistor body is arranged in the shell and comprises a first resistor body and a second resistor body, one end of the first resistor body is electrically connected with one end of the second resistor body, and different types of resistor bodies are adopted as the first resistor body and the second resistor body;

the pins are arranged on the shell and comprise a first pin and a second pin; the first pin is electrically connected to the other end of the first resistor, and the second pin is electrically connected to the other end of the second resistor.

The hybrid resistor according to the embodiment of the application has at least the following beneficial effects: compared with the prior art, the hybrid resistor is arranged in the shell, the resistor body is formed by combining first resistor bodies and second resistor bodies of different types, one end of the first resistor body is electrically connected with one end of the second resistor body, the first pin is electrically connected with the other end of the first resistor body, the second pin is electrically connected with the other end of the second resistor body, the hybrid resistor is electrically connected with an external device through the first pin and the second pin, when the hybrid resistor is used, the resistor body can combine the characteristics of the first resistor body and the second resistor body, so that the overload, the overcurrent capacity and the rated service power of the resistor are improved, in addition, the resistor can be suitable for the working conditions of high voltage, high power and high load, and the service performance of the resistor is improved.

According to some embodiments of the present application, the hybrid resistor further includes a filler disposed within the housing, the filler for encapsulating the resistive body and the pins.

According to some embodiments of the present application, the filler is white cement.

According to some embodiments of the present application, the lead further includes a third lead, the third lead is disposed between the first resistor body and the second resistor body, and the third lead is electrically connected to one end of the first resistor body and one end of the second resistor body, respectively.

According to some embodiments of the present application, the second resistor is a strip-shaped alloy resistor, the second resistor is continuously bent, one end of the second resistor is electrically connected to the third pin, and the other end of the second resistor is electrically connected to the second pin.

According to some embodiments of the present application, the first resistor body is a wire-wound resistor body, the first resistor body includes two mica sheets and a plurality of wire-wound resistors, and two ends of the wire-wound resistors are respectively inserted into different mica sheets.

According to some embodiments of the present application, the winding resistors are alloy winding resistors, and the number of the winding resistors is at least two, and each of the winding resistors is arranged in parallel.

According to some embodiments of the application, be provided with a plurality of slot on the inside wall of casing, the slot respectively with first pin, second pin, third pin and the mica sheet is pegged graft.

According to some embodiments of the present application, the hybrid resistor further comprises a mount on which the housing is disposed.

According to some embodiments of the application, one side of mount pad is provided with the through-hole, the opposite side of mount pad is provided with the opening, the opening is the U type.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a hybrid resistor according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of the resistor and the lead in FIG. 1;

fig. 3 is a schematic structural diagram of a hybrid resistor according to an embodiment of the present application (filler not shown);

FIG. 4 is a top view of FIG. 1;

fig. 5 is a top view of fig. 3.

Reference numerals:

a housing 100; a slot 110; a first resistor 200; a winding resistor 210; a mica sheet 220; a jack 221; a second resistor body 300; a first pin 400; a second pin 500; a third pin 600; a filler 700; a mounting seat 800; a through hole 810; an opening 820.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, and the like, referred to as positional or positional relationships, are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and larger, smaller, larger, etc. are understood as excluding the present number, and larger, smaller, inner, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

Referring to fig. 1 to 5, a hybrid type resistor according to an embodiment of the present application includes: a housing 100; a resistor body provided in the housing 100, the resistor body including a first resistor body 200 and a second resistor body 300, one end of the first resistor body 200 and one end of the second resistor body 300 being electrically connected, the first resistor body 200 and the second resistor body 300 being different types of resistor bodies; pins, which are disposed on the housing 100, and include a first pin 400 and a second pin 500; the first lead 400 is electrically connected to the other end of the first resistor 200, and the second lead 500 is electrically connected to the other end of the second resistor 300.

It is understood that the hybrid type resistor includes a case 100, a resistor body disposed in the case 100, and pins disposed on the case 100, and the resistor body can be isolated from the external environment by the case 100 being disposed.

It is understood that the resistive body includes different types of first and second

resistive bodies

200 and 300, and the pins include first and

second pins

400 and 500; the first lead 400, the first resistor 200, the second resistor 300, and the second lead 500 are electrically connected in this order.

It can be understood that the first resistor 200 and the second resistor 300 are different types of resistors, and since the parameters such as the load capacity and the rated service power of the two different resistors are different and the two different resistors have their own characteristics, by using the first resistor 200 and the second resistor 300 in combination, an optimized resistor structure can be obtained, so that the overload, the overcurrent capacity and the rated service power of the resistor can be improved, and in addition, the resistor can be suitable for high-voltage, high-power and high-load working conditions, and the service performance of the resistor can be improved.

It can be understood that the housing 100 has a small volume, and by disposing the first resistor body 200 and the second resistor body 300 in the housing 100, the space utilization rate of the internal space of the hybrid resistor can be increased, so that the overall structure of the hybrid resistor is compact, thereby optimizing the installation steps of the hybrid resistor on the client and saving the space occupied by the hybrid resistor.

Referring to fig. 1 and 4, according to some embodiments of the present application, the hybrid resistor further includes a filler 700, the filler 700 being disposed in the case 100, the filler 700 serving to encapsulate the resistor body and the pins.

It is understood that the hybrid resistor has a filler 700 disposed in the case 100, and the filler 700 is disposed to encapsulate the resistor and the leads and solidify the resistor and the case 100 into a whole.

It is understood that the hybrid resistor generates heat inside the case 100 due to the resistor body during use; the material with high temperature resistance, high thermal conductivity, high moisture resistance and the like is selected as the filler 700 in the casing 100, so that the heat inside the hybrid type resistor casing 100 can be ensured to be dissipated in time, and the resistance value of the resistor in the casing 100 is prevented from being obviously changed due to the temperature rise in the casing 100.

According to some embodiments of the present application, the filler 700 is white cement.

It is understood that the filler 700 in the housing 100 may be white cement or other potting material with high temperature resistance, high thermal conductivity, and high humidity resistance, which can enhance the heat dissipation performance of the hybrid resistor.

Referring to fig. 1 to 5, according to some embodiments of the present application, the lead further includes a third lead 600, the third lead 600 is disposed between the first resistive body 200 and the second resistive body 300, and the third lead 600 is electrically connected to one end of the first resistive body 200 and one end of the second resistive body 300, respectively.

It can be understood that a third pin 600 is further disposed on the housing 100, the third pin 600 is disposed between the first resistor 200 and the second resistor 300, one end of the third pin 600 is electrically connected to the first resistor 200 through a lead, and the other end of the third pin 600 is electrically connected to the second resistor 300 through welding; when the hybrid resistor is used, different pins can be selected according to requirements.

Referring to fig. 2 and 5, according to some embodiments of the present application, the second resistor body 300 is a strip-shaped alloy resistor body, the second resistor body 300 is continuously bent, one end of the second resistor body 300 is electrically connected to the third lead 600, and the other end of the second resistor body 300 is electrically connected to the second lead 500.

It is understood that the second resistor 300 may be a strip-shaped alloy resistor or another resistor with a different structure.

It is understood that the second resistor body 300 is made of an alloy, one end of the second resistor body 300 is electrically connected to the third lead 600 by welding, and the other end of the second resistor body 300 is fixedly connected to the second lead 500.

It can be understood that the second resistor 300 is an integral alloy plate, and the S-shaped continuous bending structure is formed in the rolling direction, so that the position occupied by the second resistor 300 in the housing 100 can be reduced, and the second resistor 300 can have the characteristics of small volume and high power. It is understood that the second resistor body 300 may have a plate type structure.

Referring to fig. 2 and 5, according to some embodiments of the present application, the first resistor body 200 is a wire-wound resistor body, the first resistor body 200 includes two mica sheets 220 and a plurality of wire-wound resistors 210, and two ends of each wire-wound resistor 210 are respectively inserted into different mica sheets 220.

It is understood that the first resistor 200 may be a wire-wound resistor or a resistor with a different structure. It is to be understood that one or more routing resistors 210 may be provided in the first resistor body 200.

It can be understood that the first resistor body 200 is a wire-wound resistor body, the first resistor body 200 includes two mica sheets 220 and a plurality of wire-wound resistors 210, and the number of the mica sheets 220 is two; the two ends of the winding resistor 210 are respectively inserted into different mica sheets 220, so that the winding resistor 210 can be fixed between the two mica sheets 220, and the two ends of the winding resistor 210 are further electrically connected with the first pin 400 and the third pin 600 through wires (not shown in the figure).

Referring to fig. 2 and 5, according to some embodiments of the present application, the winding resistors 210 are alloy winding resistors, and at least two winding resistors 210 are provided, and the respective winding resistors 210 are arranged in parallel.

It can be understood that the winding resistor 210 is an alloy winding resistor, at least two winding resistors 210 are provided, a plurality of insertion holes 221 are provided on the opposite side surfaces of the two mica sheets 220, and the positions of the insertion holes 221 provided on the two mica sheets 220 correspond to each other; by respectively inserting the two ends of each winding resistor 210 into the corresponding insertion holes 221 of the two mica sheets 220, each winding resistor 210 can be arranged between the two mica sheets 220 in parallel.

It can be understood that wires are respectively connected to two ends of the winding resistor 210, and the winding resistor 210 can be electrically connected to the first pin 400 and the third pin 600 through the wires.

Referring to fig. 2 and 5, according to some embodiments of the present application, a plurality of slots 110 are disposed on an inner side wall of the housing 100, and the slots 110 are respectively inserted into the first pin 400, the second pin 500, the third pin 600, and the mica sheet 220.

It can be understood that, a plurality of slots 110 are disposed on the inner side wall of the housing 100, and the width of the slots 110 is the same as the width of the first pins 400, the second pins 500, the third pins 600 and the mica sheet 220; the plurality of slots 110 are formed in the inner side wall of the housing 100, so that the first pin 400, the second pin 500, the third pin 600 and the mica sheet 220 can be fixed in the housing 100 in an inserting manner.

It can be understood that the first resistor body 200 includes two wire-wound resistors 210 and two mica sheets 220, and the two mica sheets 220 are respectively disposed at two ends of the wire-wound resistors 210; when one or two mica sheets 220 of the two mica sheets 220 are inserted into the slot 110, the first resistor 200 can be inserted and fixed into the housing 100.

It is understood that the other end of the second resistor 300 is fixedly connected to the second pin 500, and when the second pin 500 is inserted into the slot 110 of the housing 100, the second resistor 300 can be fixed in the housing 100.

Referring to fig. 3-5, according to some embodiments of the present application, the hybrid resistor further includes a mount 800, and the case 100 is disposed on the mount 800.

It is understood that the hybrid resistor further includes a mounting seat 800, the housing 100 is disposed on the mounting seat 800, and the housing 100 is a frame structure including plate members disposed on four sides; when case 100 is mounted on mount 800, filler 700 can be introduced into case 100 to seal case 100.

It is understood that the housing 100 and the mount 800 may be an integral structure or a separate structure.

Referring to fig. 3 to 5, according to some embodiments of the present application, one side of the mount 800 is provided with a through hole 810, and the other side of the mount 800 is provided with an opening 820, and the opening 820 is U-shaped.

It can be understood that both sides of the mounting seat 800 are respectively provided with a through hole 810 and a U-shaped opening 820; the through hole 810 is a closed mounting hole structure, the U-shaped opening 820 is an open mounting hole structure, and the hybrid resistor can be conveniently mounted on a client through the through hole 810 and the opening 820.

The hybrid resistor in the embodiment of the present application is described in detail in one specific embodiment with reference to fig. 1 to 5.

A hybrid resistor, comprising:

the mounting structure comprises a mounting seat 800, wherein through holes 810 and a U-shaped opening 820 are respectively arranged on two sides of the mounting seat 800;

the housing 100 is arranged on the mounting seat 800, and a plurality of slots 110 are arranged on the inner side wall of the housing 100;

pins inserted into the slots 110 of the housing 100, the pins including a first pin 400, a second pin 500 and a third pin 600;

a resistor body provided in the case 100, the resistor body including a first resistor body 200 and a second resistor body 300; the first resistor body 200 is a wire-wound resistor body, the first resistor body 200 includes two mica sheets 220 and two alloy wire-wound resistors, the two alloy wire-wound resistors are arranged in parallel, and two ends of the alloy wire-wound resistor are respectively electrically connected with the first pin 400 and the third pin 600 after passing through different mica sheets 220; the first resistor 200 is inserted into the housing 100 through the mica sheet 220;

the second resistor 300 is a strip-shaped alloy resistor, the second resistor 300 is continuously bent, one end of the second resistor 300 is electrically connected with the third pin 600, and the other end of the second resistor 300 is fixedly connected with the second pin 500; the second resistor 300 is inserted into the housing 100 through the second pin 500;

the filler 700 is disposed in the casing 100, and the filler 700 is white cement.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "specifically," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and alterations to these embodiments may be made without departing from the principles and spirit of this application, and are intended to be included within the scope of this application.

Claims

1. A hybrid resistor, comprising:

a housing;

a resistor body provided in the housing, the resistor body including a first resistor body and a second resistor body, one end of the first resistor body being electrically connected to one end of the second resistor body, the first resistor body and the second resistor body being different types of resistor bodies;

2. The hybrid resistor according to claim 1, wherein: the hybrid resistor further comprises a filler, wherein the filler is arranged in the shell and is used for packaging the resistor body and the pins.

3. The hybrid resistor according to claim 2, wherein: the filler is white cement.

4. The hybrid resistor according to claim 1, wherein: the pin further comprises a third pin, the third pin is arranged between the first resistor body and the second resistor body, and the third pin is electrically connected with one end of the first resistor body and one end of the second resistor body respectively.

5. The hybrid resistor according to claim 4, wherein: the second resistor body is a strip-shaped alloy resistor body, the second resistor body is in a continuous bending shape, one end of the second resistor body is electrically connected with the third pin, and the other end of the second resistor body is electrically connected with the second pin.

6. The hybrid resistor according to claim 4, wherein: the first resistor body is a winding resistor body, the first resistor body comprises two mica sheets and a plurality of winding resistors, and two ends of each winding resistor penetrate through different mica sheets respectively.

7. The hybrid resistor according to claim 6, wherein: the winding resistors are alloy winding resistors, at least two winding resistors are arranged, and the winding resistors are arranged in parallel.

8. The hybrid resistor according to claim 6, wherein: the inner side wall of the shell is provided with a plurality of slots, and the slots are respectively connected with the first pins, the second pins, the third pins and the mica sheets in an inserting mode.

9. The hybrid resistor according to claim 1, wherein: the hybrid resistor further includes a mount on which the housing is disposed.

10. The hybrid resistor according to claim 9, wherein: one side of mount pad is provided with the through-hole, the opposite side of mount pad is provided with the opening, the opening is the U type.