CN114088232A

CN114088232A - Platinum resistance component

Info

Publication number: CN114088232A
Application number: CN202010615577.9A
Authority: CN
Inventors: 西热娜依·买买提努尔; 史新云; 黄旭辉; 巴哈提尔·阿哈买提; 谢热爱·阿不拉
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2022-02-25

Abstract

The invention provides a platinum resistor assembly, comprising: the platinum thermal resistor comprises a probe, a first lead and a female plug, wherein the probe is arranged at one end of the first lead, and the plug is arranged at the other end of the first lead; the thermometer is provided with a second lead; public plug, public plug and female plug looks adaptation, public plug setting are kept away from the one end of thermometer at the second lead wire. Through the technical scheme provided by the invention, the technical problem that the platinum thermal resistor is inconvenient to disassemble and assemble in the prior art can be solved.

Description

Platinum resistance component

Technical Field

The invention relates to the field of gas transmission metering, in particular to a platinum resistor assembly.

Background

At present, a platinum resistor is the most commonly used temperature detector in a medium-low temperature zone, and the platinum resistor has high measurement precision, stable performance and wide application range. Platinum resistors are not only widely used for industrial thermometry, but also are made as standard benchmarks.

However, the platinum thermal resistors in the prior art are directly connected to the module through three positive and negative wires, so that the assembly and disassembly for inspection are not only long in time, but also easy to damage. When the installation is carried out after the inspection is finished, if the positive line and the negative line are not corresponding, the situation that the remote numerical value is a negative value can occur, and the metering handover is seriously influenced.

Disclosure of Invention

The invention mainly aims to provide a platinum resistor assembly to solve the technical problem that a platinum thermal resistor in the prior art is inconvenient to assemble and disassemble.

In order to achieve the above object, the present invention provides a platinum resistor assembly comprising: the platinum thermal resistor comprises a probe, a first lead and a female plug, wherein the probe is arranged at one end of the first lead, and the plug is arranged at the other end of the first lead; the thermometer is provided with a second lead; public plug, public plug and female plug looks adaptation, public plug setting are kept away from the one end of thermometer at the second lead wire.

Further, the female plug includes: a first body portion; the plurality of pins are arranged on the first body part at intervals.

Further, the outer diameters of at least two pins are different.

Further, the gap between two adjacent pins is the same.

Furthermore, the plurality of pins comprise a first pin, a second pin and a third pin, the outer diameters of the first pin and the second pin are the same, the outer diameters of the second pin and the third pin are different, the second pin is located between the first pin and the third pin, and the polarities of the second pin and the third pin are opposite.

Further, the outer diameter of the third pin is larger than that of the second pin.

Further, the third contact pin includes contact pin portion, and contact pin portion is the cylinder structure, is provided with the hoop recess on the lateral wall of contact pin portion.

Further, the female plug further comprises: first identification portion sets up on first this somatic part, and first identification portion is a plurality of, and a plurality of first identification portions set up with a plurality of contact pins one-to-one, and each first identification portion is used for carrying out the sign to corresponding contact pin.

Further, the male plug includes: a second body portion; and the jacks are all arranged on the second body part and are arranged in one-to-one correspondence with the pins, and each pin is used for being inserted into the corresponding jack.

Further, the male plug further comprises: the second identification portion is arranged on the second body portion, the second identification portions are multiple, the second identification portions and the jacks are arranged in a one-to-one correspondence mode, and each second identification portion is used for identifying the corresponding jack.

By applying the technical scheme of the invention, the female plug is arranged on the first lead, and the male plug is arranged on the second lead, so that the male plug and the female plug can be conveniently spliced or separated, and the platinum thermistor and the thermometer can be conveniently detected after being separated by a worker, and the platinum resistor and the thermometer can be conveniently spliced after the platinum thermistor is detected without errors. Therefore, the technical problem that the platinum thermal resistor is inconvenient to assemble and disassemble in the prior art can be solved through the technical scheme provided by the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 illustrates a front view of a female plug provided in accordance with an embodiment of the present invention;

fig. 2 illustrates a left side view of a female plug provided in accordance with an embodiment of the present invention;

FIG. 3 illustrates a front view of a male plug provided in accordance with an embodiment of the present invention;

FIG. 4 illustrates a left side view of a male plug provided in accordance with an embodiment of the present invention;

fig. 5 illustrates a top view of a male plug provided in accordance with an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a female plug; 11. a first body portion; 12. a first pin; 13. a second pin; 14. a third pin; 15. a first identification portion; 20. a male plug; 21. a second body portion; 22. a second identification portion.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-5, an embodiment of the present invention provides a platinum resistor assembly including a platinum thermistor, a thermometer, and a male plug 20. The platinum thermistor comprises a probe, a first lead and a female plug 10, wherein the probe is arranged at one end of the first lead, and the plug is arranged at the other end of the first lead. A second lead is arranged on the thermometer; the male plug 20 is matched with the female plug 10, and the male plug 20 is arranged at one end, away from the thermometer, of the second lead. Specifically, the spring sheath on the upper portion of the probe in the embodiment is used for connecting the first lead, the probe is used for being inserted into a gas transmission pipeline, and the thermometer is used for correctly metering the output natural gas.

Adopt the platinum resistance subassembly that this embodiment provided, through set up female plug 10 on first lead wire to be provided with the public plug 20 with female plug 10 looks adaptation on the second lead wire, like this, can be convenient for peg graft or separate through public plug 20 and female plug 10, the staff of being convenient for detects platinum resistance and thermometer after-separating, so that peg graft platinum resistance and thermometer after platinum resistance detects inerrably. Adopt such setting, rational in infrastructure and compactness, high durability and convenient use, effectively reduced the change time of platinum resistance subassembly when the inspection (for using qualified instrument in the gas transmission and distribution work, need examine platinum resistance here), only need with female plug 10 be connected to wait to detect on the device after male plug 20 and female plug 10 are separated on can, the consuming time of dismouting censorship has been reduced, the error rate of connection has been reduced, work efficiency is provided, simple plug operation makes platinum resistance can not appear the condition of field damage, the qualification rate has been improved, correct measurement when having guaranteed the natural gas transportation operation.

Specifically, the female plug 10 in the present embodiment includes a first body portion 11 and a plurality of pins, and the plurality of pins are disposed on the first body portion 11 at intervals. Specifically, first lead has a plurality ofly, and a plurality of contact pins set up with a plurality of first lead one-to-one, and each contact pin is used for being connected with corresponding first lead to realize the relation of being connected between corresponding first lead and the thermometer through each contact pin. The insertion pin structure is adopted for insertion and matching, so that convenience in operation can be further improved, operation steps are simplified, and operation of workers is facilitated.

In order to avoid operation errors during plugging, the outer diameters of at least two pins in the embodiment are different. By adopting the structure, the plugging operation of workers can be better facilitated, the occurrence of plugging errors is avoided, and the plugging accuracy and the plugging rapidity are improved.

Specifically, the gap between any two adjacent pins in this embodiment is the same. By adopting the structure, a plurality of contact pins can be arranged at a certain distance one by one, and the compactness of the structure is improved.

In the embodiment, the plurality of pins comprise a first pin 12, a second pin 13 and a third pin 14, the outer diameters of the first pin 12 and the second pin 13 are the same, the outer diameters of the second pin 13 and the third pin 14 are different, the second pin 13 is located between the first pin 12 and the third pin 14, and the polarities of the second pin 13 and the third pin 14 are opposite. By adopting the structure, the first pin 12, the second pin 13 and the third pin 14 can be conveniently identified, so that the situation that workers are confused during disassembly and assembly is avoided. After the platinum resistance is inspected, when being connected platinum resistance and thermometer, if the positive and negative lines do not appear the condition that long-range numerical value is the negative value, seriously influence the measurement result, and the structure that adopts this embodiment to provide can avoid the condition of grafting mistake, and then the condition of long-range negative value, data error can not appear, the condition of burning out the probe can not appear yet, can ensure the accuracy of measurement.

Specifically, in this embodiment, the first pin 12 is used for grounding, the second pin 13 is a positive electrode, the third pin 14 is a negative electrode, and the first pin 12, the second pin 13, and the third pin 14 are disposed at intervals along a predetermined direction. By adopting the structure, the compactness of the structure can be conveniently improved, so that the identification and the insertion are convenient.

Specifically, the outer diameter of the third pin 14 in this embodiment is larger than the outer diameter of the second pin 13, so that the worker can clearly distinguish the second pin 13 from the third pin 14, thereby facilitating accurate insertion. Specifically, the outer diameters of the first pin 12 and the second pin 13 may be 2.3mm, and the outer diameter of the third pin 14 may be 3.3 mm.

Specifically, the third pin 14 may further include a pin portion, the pin portion is of a cylindrical structure, and a circumferential groove is formed in a side wall of the pin portion. With this arrangement, it is possible to better distinguish the third pin 14 for proper mating. Meanwhile, the reversing groove can conveniently play a positioning role, correspondingly, a circumferential protrusion corresponding to the annular groove can be arranged in the third jack, and the circumferential protrusion is used for being clamped in the circumferential groove, so that the inserting stability of the third inserting needle 14 and the third jack is improved, the connection firmness is improved, and accurate measurement is facilitated.

In this embodiment, the female plug 10 further includes a first identification portion 15, the first identification portion 15 is disposed on the first body portion 11, the first identification portion 15 is plural, the plural first identification portions 15 are disposed in one-to-one correspondence with the plural pins, and each first identification portion 15 is used for identifying the corresponding pin. By adopting the structure, the user can be further convenient to identify and use.

Specifically, the male plug 20 in this embodiment includes a second body portion 21 and a plurality of insertion holes, the plurality of insertion holes are all disposed on the second body portion 21, the plurality of insertion holes are disposed in one-to-one correspondence with a plurality of insertion pins, and each insertion pin is used for being inserted into a corresponding insertion hole. Correspondingly, the plurality of jacks in this embodiment include a first jack, a second jack, and a third jack, where the first pin 12 is configured to be inserted into the first jack, the second pin 13 is configured to be inserted into the second jack, and the third pin 14 is configured to be inserted into the third jack, so as to implement the insertion of the female plug 10 and the male plug 20.

In order to further facilitate the user to identify and use, the male plug 20 in this embodiment further includes a second identification portion 22, the second identification portion 22 is disposed on the second body portion 21, the second identification portion 22 is multiple, the multiple second identification portions 22 are disposed in one-to-one correspondence with the multiple jacks, and each second identification portion 22 is used for identifying a corresponding jack.

Specifically, in this embodiment, a plurality of first grooves may be disposed on the first body 11, the plurality of first grooves and the plurality of first identification portions 15 are disposed in a one-to-one correspondence manner, and each first identification portion 15 is disposed in the corresponding first groove. All be provided with the transparent plate structure in the notch department of each first recess simultaneously to the content of each 15 signs of first sign portion is clearly seen to the user, is convenient for protect each 15 signs of first sign portion simultaneously.

In this embodiment, a plurality of second grooves may be further disposed on the second body portion 21, the plurality of second grooves and the plurality of second identification portions 22 are disposed in a one-to-one correspondence, and each second identification portion 22 is disposed in the corresponding second groove. And meanwhile, the groove openings of the second grooves are provided with transparent plate structures, so that a user can clearly see the content of the marks of the second mark parts 22 and can protect the second mark parts 22.

Specifically, the first marker 15 and the second marker 22 in the present embodiment may be paper sheets or plate-like structures with indication marks (e.g., + (representing positive pole), - (representing negative pole), or G (representing ground)). The cross sections of the first mark part 15 and the second mark part 22 can be circular, and correspondingly, the groove bottoms of the first groove and the second groove are circular faces, so that the attractiveness is improved. The distance between any two adjacent first identification portions 15 is the same, and the distance between any two adjacent second identification portions 22 is the same, so that the compactness of the structure is improved, and the observation by a user is facilitated.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the change time during the inspection is reduced, the error rate during the connection is reduced, the working efficiency is improved, the correct metering during the natural gas conveying operation is ensured, and the verification qualification rate is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A platinum resistor assembly, comprising:

the platinum thermal resistor comprises a probe, a first lead and a female plug (10), wherein the probe is arranged at one end of the first lead, and the plug is arranged at the other end of the first lead;

the thermometer is provided with a second lead;

the male plug (20), male plug (20) with female plug (10) looks adaptation, male plug (20) set up at the second lead wire keep away from the one end of thermometer.

2. The platinum resistance assembly according to claim 1, wherein the female plug (10) comprises:

a first body portion (11);

a plurality of pins arranged on the first body part (11) at intervals.

3. The platinum resistor assembly as recited in claim 2 wherein at least two of the pins have different outer diameters.

4. The platinum resistor assembly as recited in claim 2 wherein the gap between adjacent pins is the same.

5. The platinum resistor assembly as recited in claim 2, wherein the plurality of pins comprises a first pin (12), a second pin (13) and a third pin (14), the first pin (12) and the second pin (13) have the same outer diameter, the second pin (13) and the third pin (14) have different outer diameters, the second pin (13) is located between the first pin (12) and the third pin (14), and the second pin (13) and the third pin (14) have opposite polarities.

6. Platinum resistor assembly according to claim 5, characterized in that the outer diameter of the third pin (14) is larger than the outer diameter of the second pin (13).

7. The platinum resistor assembly as recited in claim 5, characterized in that the third pin (14) comprises a pin portion having a cylindrical configuration, the pin portion having a circumferential groove formed in a sidewall thereof.

8. The platinum resistance assembly according to claim 2, wherein the female plug (10) further comprises:

the first identification parts (15) are arranged on the first body part (11), the first identification parts (15) are multiple, the multiple first identification parts (15) are arranged in one-to-one correspondence with the multiple pins, and each first identification part (15) is used for identifying the corresponding pin.

9. The platinum resistance assembly according to claim 2, wherein the male plug (20) comprises:

a second body part (21);

the jacks are all arranged on the second body part (21), the jacks are arranged in one-to-one correspondence with the pins, and each pin is used for being inserted into the corresponding jack.

10. The platinum resistance assembly as recited in claim 9, wherein the male plug (20) further comprises:

the second identification parts (22) are arranged on the second body part (21), the second identification parts (22) are multiple, the second identification parts (22) and the jacks are arranged in a one-to-one correspondence mode, and each second identification part (22) is used for identifying the corresponding jack.