CN117080819A - NTC sensing connector convenient to installation - Google Patents

NTC sensing connector convenient to installation Download PDF

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Publication number
CN117080819A
CN117080819A CN202311028189.0A CN202311028189A CN117080819A CN 117080819 A CN117080819 A CN 117080819A CN 202311028189 A CN202311028189 A CN 202311028189A CN 117080819 A CN117080819 A CN 117080819A
Authority
CN
China
Prior art keywords
screw
ntc
accommodating cavity
sensing connector
mounting block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311028189.0A
Other languages
Chinese (zh)
Inventor
蒋森成
罗祖国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Shenglan Electronic Technology Co ltd
Original Assignee
Guangdong Shenglan Electronic Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Shenglan Electronic Technology Co ltd filed Critical Guangdong Shenglan Electronic Technology Co ltd
Priority to CN202311028189.0A priority Critical patent/CN117080819A/en
Publication of CN117080819A publication Critical patent/CN117080819A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K2007/163—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements provided with specially adapted connectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The application provides an NTC sensing connector convenient to install, which comprises a screw made of metal, an NTC thermistor and a male end plug arranged on one side of the screw, wherein one side of the male end plug is inserted into the screw and is fixedly sealed with a potting adhesive layer between the screw, the male end plug comprises an insulated plug main body and at least one terminal arranged in the plug main body, and the terminal extends to the left outer end of the male end plug and is welded with the NTC thermistor in the screw. Compared with the traditional temperature sensing connector, the NTC sensing connector convenient to install is compact in structural layout and low in production cost, can be effectively and stably installed in a part to be tested in a threaded connection mode for temperature detection, and is convenient to integrally install, pull and insert.

Description

NTC sensing connector convenient to installation
Technical Field
The application relates to the technical field of sensing connectors, in particular to an NTC sensing connector convenient to install.
Background
Temperature sensors are used in a wide variety of applications, such as in one or more locations in a vehicle where mass produced cars and trucks are located, to detect, for example, engine coolant temperature, transmission oil temperature, intake air temperature, and the like. The traditional temperature sensor that uses at present is the direct integral type mode of simple cable and plug, installs the external fixed connection spare of the installation needs to the sensor, and this traditional temperature sensor is inconvenient enough with the installation of the spare part that awaits measuring, and only can change whole group when the NTC element in the sensor breaks out if appear, is inconvenient to the maintenance of sensor.
Disclosure of Invention
The application aims to provide an NTC sensing connector convenient to install so as to solve the technical problems in the background technology.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides an NTC sensing connector convenient to installation, includes screw, NTC thermistor of metal material and installs the public end plug in screw one side, the embedment has the glue film to seal admittedly in inserting the screw in one side of public end plug and screw between, public end plug includes insulating plug main part and installs at least one terminal in the plug main part, the terminal extends to the NTC thermistor welding in the left side outer end of public end plug and the screw.
The screw comprises a screw head and a screw rod, an external thread part is arranged on the outer side of the screw rod, a first accommodating cavity with an opening structure is arranged on the screw head, a second accommodating cavity is arranged in the screw rod, the first accommodating cavity is communicated with the second accommodating cavity, the NTC thermistor is arranged in the second accommodating cavity, and the left side of the plug main body is inserted into the first accommodating cavity and is fixedly sealed with the glue filling of the first accommodating cavity.
The plug main body comprises a first mounting block and a second mounting block, wherein the first mounting block is arranged on the right side of the second mounting block, two terminals are arranged in the plug main body, a third accommodating cavity with an opening structure is arranged in the first mounting block, the right side of each terminal is arranged in the third accommodating cavity, the left side of each terminal extends to the outer side of the second mounting block and is welded with the NTC thermistor, and two pins are arranged on the NTC thermistor and are welded with a single terminal respectively.
The second installation piece is equipped with two piece at least guide bars that the symmetry set up, the guide bar extends along NTC thermistor's direction, NTC thermistor's pin is between two guide bars, guide bar and second installation piece are integrated into one piece injection structure.
The first chamber that holds is cylindrical structure, the second installation piece cooperatees with the shape that first holds the chamber, the second installation piece is cylindrical structure, the glue film that fills between second installation piece and the first chamber inner wall that holds adopts is high temperature resistant glue and fills.
The outer side of the second mounting block is provided with at least one annular groove along the radial direction thereof.
The inner wall of the first accommodating cavity is provided with an internal thread part.
The first installation block is of a rectangular structure, and first chamfers are arranged in four corner directions of the first installation block, which are close to the head of the screw.
The position of the first accommodating cavity close to the second accommodating cavity is provided with a conical surface with the inner diameter decreasing towards the direction of the second accommodating cavity, and the position of the guide bar close to the conical surface is provided with a second chamfer.
Compared with the traditional temperature sensing connector, the NTC sensing connector convenient to install is compact in structural layout and low in production cost, the NTC sensing connector is effectively and stably installed in a part to be detected through a threaded connection mode on the screw to detect temperature, the whole installation and the plugging are convenient, the sealing performance of the NTC thermistor is enhanced, the service life of the sensing connector is effectively guaranteed, in addition, the NTC thermistor is connected with a terminal of the male plug through a welding mode, only the NTC thermistor is needed to be replaced when the NTC thermistor is abnormally damaged, the line group of the whole sensing connector is not needed to be disassembled, and the routine maintenance of the sensing connector is convenient.
Drawings
Fig. 1: the three-dimensional structure schematic diagram of the application;
fig. 2: the transverse semi-section structure diagram of the application;
fig. 3: a male plug and an NTC thermistor mounting structure diagram;
fig. 4: the left side view of the mounting structure of fig. 3;
fig. 5: a top view of the plug body;
fig. 6: a three-dimensional structure diagram of the male plug;
fig. 7: longitudinal half-section structure of screw.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.
Specific example 1: referring to fig. 1 to 7, in an embodiment of the present application, an NTC sensing connector convenient to install includes a screw 1 made of metal, an NTC thermistor 5, and a male plug 4 installed on one side of the screw 1, wherein one side of the male plug 4 is inserted into the screw 1, and a glue layer 6 is encapsulated between the male plug 4 and the screw 1 for fixing, the male plug 4 includes an insulated plug main body 2 and at least one terminal 3 installed in the plug main body 2, in the present application, two terminals 3 with identical structures are installed in the plug main body 2, and the terminal 3 extends to the left outer end of the male plug 4 and is welded with the NTC thermistor 5 in the screw 1.
The screw 1 comprises a screw 1 head and a screw 1 rod, an external thread part 102-1 is arranged on the outer side of the screw 1 rod, a first accommodating cavity 101-1 with an opening structure is arranged on the screw 1 head, a second accommodating cavity 102-2 is arranged in the screw 1 rod, the first accommodating cavity 101-1 is communicated with the second accommodating cavity 102-2, the inner diameter of the first accommodating cavity 101-1 is larger than that of the second accommodating cavity 102-2, the NTC thermistor 5 is arranged in the second accommodating cavity 102-2, and the left side of the plug main body 2 is inserted into the first accommodating cavity 101-1 and is fixedly sealed with the glue of the first accommodating cavity 101-1.
The plug main body 2 comprises a first mounting block 201 and a second mounting block 202, the first mounting block 201 is arranged on the right side of the second mounting block 202, a third accommodating cavity 201-1 with an opening structure is arranged in the first mounting block 201, the right side of a terminal 3 is arranged in the third accommodating cavity 201-1, the left side of the terminal extends to the outer side of the second mounting block 202 and is welded with the NTC thermistor 5, two pins 501 are arranged on the NTC thermistor 5 and are respectively welded with a single terminal 3, and the pins 501 can be welded on the terminal 3 through an automatic spot welding process. The first accommodating cavity 101-1 is of a cylindrical structure, the second mounting block 202 is matched with the first accommodating cavity 101-1 in shape, namely, the second mounting block 202 is of a cylindrical structure, the glue layer 6 filled between the second mounting block 202 and the inner wall of the first accommodating cavity 101-1 is filled with high-temperature-resistant glue, and the screw 1 and the male plug 4 are glued and sealed through related equipment such as a gluing machine.
In the application, at least two symmetrically arranged guide strips 203 are arranged on the second mounting block 202, the guide strips 203 extend along the direction of the NTC thermistor 5, the outer end surface of the guide strips 203 is an arc surface, the axis of which coincides with the axis of the second mounting block 202, the pins of the NTC thermistor 5 are arranged between the two guide strips 203, the width of the guide strips 203 is larger than the total width of the terminals 3 and the pins of the NTC thermistor 5, the first mounting block 201, the second mounting block 202 and the guide strips 203 are of an integral injection molding structure, the guide strips 203 can play a role in guiding when the second mounting block 202 of the male plug 4 is assembled, the quick mounting of the second mounting block 202 and the second accommodating cavity 102-2 is facilitated, and meanwhile, the protection effect on the NTC thermistor 5 can be increased between the two guide strips 203, and the falling-off of the NTC thermistor 5 due to external force after the NTC thermistor 5 is welded can be prevented.
The outer side of the second mounting block 202 is provided with at least one annular groove 203-1 along the radial direction, in this embodiment, two annular groove 203-1 structures are adopted, and the inner wall of the first accommodating cavity 101-1 is provided with an internal thread part 101-3, so that when the second mounting block 202 and the screw 1 are mounted for glue sealing, the retaining force for fixing the male plug 4 and the screw after glue sealing can be increased by the annular groove 203-1 structure and the internal thread part 101-3 of the first accommodating cavity 101-1, and the male plug 4 and the screw 1 can be firmly connected.
In the application, the first mounting block 201 is of a rectangular structure, and the four corner directions of the first mounting block 201, which are close to the head of the screw 1, are respectively provided with the first chamfer 201-2, and the first chamfer 201-2 can prevent a spanner from touching the male plug 4 to damage the male plug 4 when a user locks the screw 1, thus affecting the overall appearance of the sensing connector, and protecting the user from being injured by sharp corners.
In the present application, the first accommodating chamber 101-1 is provided with a tapered surface 101-2 having an inner diameter decreasing toward the second accommodating chamber 102-2 at a position close to the second accommodating chamber 102-2, and the guide bar 203 is provided with a second chamfer 203-1 at a position close to the tapered surface 101-2.
Compared with the traditional temperature sensing connector, the NTC sensing connector convenient to install is compact in structural layout and low in production cost, the NTC sensing connector is effectively and stably installed in a part to be detected through a threaded connection mode on the screw to detect temperature, the whole installation and the plugging are convenient, the sealing performance of the NTC thermistor is enhanced, the service life of the sensing connector is effectively guaranteed, in addition, the NTC thermistor is connected with a terminal of the male plug through a welding mode, only the NTC thermistor is needed to be replaced when the NTC thermistor is abnormally damaged, the line group of the whole sensing connector is not needed to be disassembled, and the routine maintenance of the sensing connector is convenient.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (9)

1. An NTC sensing connector convenient to install, characterized in that: the screw comprises a screw made of metal, an NTC thermistor and a male end plug arranged on one side of the screw, wherein one side of the male end plug is inserted into the screw, a glue layer is filled and sealed between the male end plug and the screw for fixing, the male end plug comprises an insulating plug main body and at least one terminal arranged in the plug main body, and the terminal extends to the left outer end of the male end plug to be welded with the NTC thermistor in the screw.
2. The NTC sensing connector of claim 1 wherein the NTC sensing connector is adapted to facilitate installation of the NTC sensing connector: the screw comprises a screw head and a screw rod, an external thread part is arranged on the outer side of the screw rod, a first accommodating cavity with an opening structure is arranged on the screw head, a second accommodating cavity is arranged in the screw rod, the first accommodating cavity is communicated with the second accommodating cavity, the NTC thermistor is arranged in the second accommodating cavity, and the left side of the plug main body is inserted into the first accommodating cavity and is fixedly sealed with the first accommodating cavity through glue filling.
3. The NTC sensing connector of claim 2 adapted for ease of installation, wherein: the plug main body comprises a first mounting block and a second mounting block, wherein the first mounting block is arranged on the right side of the second mounting block, two terminals are arranged in the plug main body, a third accommodating cavity with an opening structure is arranged in the first mounting block, the right side of each terminal is arranged in the third accommodating cavity, the left side of each terminal extends to the outer side of the second mounting block and is welded with the NTC thermistor, and two pins are arranged on the NTC thermistor and are welded with a single terminal respectively.
4. An NTC sensing connector according to claim 3, characterized in that: the second installation piece is equipped with two piece at least guide bars that the symmetry set up, the guide bar extends along NTC thermistor's direction, NTC thermistor's pin is between two guide bars, guide bar and second installation piece are integrated into one piece injection structure.
5. The NTC sensing connector-convenient to mount of claim 4 wherein: the first chamber that holds is cylindrical structure, the second installation piece cooperatees with the shape that first holds the chamber, the second installation piece is cylindrical structure, the glue film that fills between second installation piece and the first chamber inner wall that holds adopts is high temperature resistant glue and fills.
6. An NTC sensing connector according to claim 5, wherein: the outer side of the second mounting block is provided with at least one annular groove along the radial direction thereof.
7. The NTC sensing connector-convenient to mount of claim 6, further characterized by: the inner wall of the first accommodating cavity is provided with an internal thread part.
8. The NTC sensing connector-convenient to mount of claim 7 wherein: the first installation block is of a rectangular structure, and first chamfers are arranged in four corner directions of the first installation block, which are close to the head of the screw.
9. The NTC sensing connector-to-mount of claim 8 wherein: the position of the first accommodating cavity close to the second accommodating cavity is provided with a conical surface with the inner diameter decreasing towards the direction of the second accommodating cavity, and the position of the guide bar close to the conical surface is provided with a second chamfer.
CN202311028189.0A 2023-08-16 2023-08-16 NTC sensing connector convenient to installation Pending CN117080819A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311028189.0A CN117080819A (en) 2023-08-16 2023-08-16 NTC sensing connector convenient to installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311028189.0A CN117080819A (en) 2023-08-16 2023-08-16 NTC sensing connector convenient to installation

Publications (1)

Publication Number Publication Date
CN117080819A true CN117080819A (en) 2023-11-17

Family

ID=88709077

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311028189.0A Pending CN117080819A (en) 2023-08-16 2023-08-16 NTC sensing connector convenient to installation

Country Status (1)

Country Link
CN (1) CN117080819A (en)

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