CN208723129U - Temperature-sensitive suitable for electric loop indicates connecting terminal - Google Patents
Temperature-sensitive suitable for electric loop indicates connecting terminal Download PDFInfo
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- CN208723129U CN208723129U CN201821489262.9U CN201821489262U CN208723129U CN 208723129 U CN208723129 U CN 208723129U CN 201821489262 U CN201821489262 U CN 201821489262U CN 208723129 U CN208723129 U CN 208723129U
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- temperature
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- pressing line
- line frame
- connecting terminal
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Abstract
A kind of temperature-sensitive instruction connecting terminal suitable for electric loop, it includes insulation crust, pressing line frame, fastening screw, temperature-sensitive slot, temperature sensing device, thermochromic patch, by the way that temperature-sensitive slot is arranged between two pressing line frames in insulation crust, it is contacted by the way that temperature sensing device is arranged in temperature-sensitive slot with pressing line frame, by conducting wire and pressing line frame grafting, fastening screw is fixed, and is bonded sensor wire connecting part temperature change with temperature sensing device by thermochromic patch and is shown different colours.The observation of connecting terminal heating position is difficult when the utility model overcomes former electric loop inspection, and the problem of failure screening difficulty has structure simple, convenient for observing when inspection, is convenient for screening failure terminal, easy to operate simple feature.
Description
Technical field
The utility model belongs to installation for transformer purification techniques field, is related to a kind of temperature-sensitive instruction suitable for electric loop
Connecting terminal.
Background technique
The important circuit such as alterating and direct current resource loop, current transformer loop, voltage transformer circuit connects in electric panel cabinet
Line terminals usually lead to abnormal heating because wiring is bad, may cause connecting terminal when serious and burn even damage.Therefore, if
Standby maintenance personnel is often required to observe connecing for above-mentioned important circuit with hand-held point temperature rifle or thermal imaging system in everyday devices inspection
The temperature of line terminals, once the connecting terminal that discovery temperature is excessively high, just carries out elimination defect processing.It is existing during inspection to ask
Topic is:
It is very tired to aim at exposed metal position for the metal position for measuring each connecting terminal one by one with hand-held point temperature rifle
Difficulty, and workload is very big；
It is observed with Hand-Held Thermal Imager, even if discovery has heat spot, since the terminal in terminal block is close and numerous, also very
The terminal of overheat is accurately positioned in difficulty from the small display of thermal imaging system, and the process of screening mistake wiring terminal is more difficult.
Summary of the invention
The technical problem to be solved by the utility model is to provide a kind of temperature-sensitives suitable for electric loop to indicate terminals
Son, structure is simple, and using temperature-sensitive slot is arranged between two pressing line frames in insulation crust, temperature sensing device and pressure is arranged in temperature-sensitive slot
Wire frame contact, conducting wire and pressing line frame grafting, fastening screw are fixed, and thermochromic patch is bonded with temperature sensing device, after conductor overheating
Incuded by thermochromic patch and changed colour, convenient for observing when inspection, is convenient for screening failure terminal, it is easy to operate simple.
It is a kind of suitable for electric loop that in order to solve the above technical problems, the technical scheme adopted by the utility model is:
Temperature-sensitive indicates connecting terminal, it includes the pressing line frame that two sides are used for grafting conducting wire in the insulation crust, pass through insulation crust with
Pressing line frame cooperation compresses the fastening screw of conducting wire, and the insulation crust is equipped with temperature-sensitive slot position between two pressing line frames, temperature sensing device
It is contacted in temperature-sensitive slot with pressing line frame, thermochromic patch connect monitoring pressing line frame and wire interconnecting piece position with temperature sensing device
Temperature.
The insulation crust is the molding of insulating materials one-time-concreting.
The pressing line frame is the strip shape body of metallic conduction, and one end is equipped with screw thread and fastening screw cooperates, and side is equipped with and is used for
The open slot of conducting wire insertion.
The temperature-sensitive slot is the groove body perpendicular to insulation crust, through the two sides of insulation crust, groove body inner wall be equipped with
The opening of pressing line frame connection.
The temperature sensing device includes connecting vertical heating column, the both ends of thermally conductive sheet and two pressing line frames with horizontal thermally conductive sheet
Contact, heating column, which is located in temperature-sensitive slot, not to be in contact with it.
The heating column is the cylinder of circular cylinder or rectangle.
The heating column upper end is consistent with the height of insulation crust upper side.
The thermochromic patch has discoloration display and changes colour reversible.
Thermochromic patch bottom coats self-adhesive.
A kind of temperature-sensitive instruction connecting terminal suitable for electric loop, it includes being located at two sides in insulation crust to be used for grafting
The pressing line frame of conducting wire, the fastening screw of conducting wire is compressed across insulation crust and pressing line frame cooperation, and insulation crust is equipped with temperature-sensitive slot position
Between two pressing line frames, temperature sensing device is located in temperature-sensitive slot to be contacted with pressing line frame, and thermochromic patch connect prison with temperature sensing device
Survey the temperature of pressing line frame and wire interconnecting piece position.Structure is simple, by the way that temperature-sensitive is arranged between two pressing line frames in insulation crust
Slot is contacted by the way that temperature sensing device is arranged in temperature-sensitive slot with pressing line frame, and by conducting wire and pressing line frame grafting, fastening screw is fixed, and is led to
It crosses thermochromic patch to be bonded sensor wire connecting part temperature change with temperature sensing device and show different colours, convenient for seeing when inspection
It examines, is convenient for screening failure terminal, it is easy to operate simple.
In the preferred scheme, insulation crust is the molding of insulating materials one-time-concreting.Structure is simple, using one-time-concreting at
The insulation crust of type, precision is high, and after molding, leading flank or trailing flank are reserved with the notch for pressing line frame installation, installs pressing line frame
When, it is filled in from notch side, fastening screw is passed through from insulation crust upper side and connect with pressing line frame, easy for installation.
In the preferred scheme, pressing line frame is the strip shape body of metallic conduction, and one end is equipped with screw thread and fastening screw cooperates, side
Face is equipped with the open slot for conducting wire insertion.Structure is simple, after strip shape body pressing line frame and the insulation crust cooperation of metallic conduction, no
Rotation is skidded with when fastening after conducting wire grafting；When conducting wire is inserted into, pressing line frame side is entered from the insert port of insulation crust two sides
In the open slot in face, rotatably compressed later by fastening screw, it is easy for installation.
In the preferred scheme, temperature-sensitive slot is the groove body perpendicular to insulation crust, through the two sides of insulation crust, groove body
Inner wall is equipped with the opening with pressing line frame connection.Structure is simple, and when installation, temperature sensing device is inserted from Open Side Down on temperature-sensitive slot top
Enter, thermally conductive sheet and temperature-sensitive slot inner wall with elastic expansion range contradict, and pass through temperature-sensitive slot two sides and pressing line frame when thermally conductive sheet glides
When the opening of connection, thermally conductive sheet mutually contradicts limit with pressing line frame after entering opening, easy for installation, and contact is close, heat transfer
When it is undistorted, monitor it is more acurrate.
In the preferred scheme, temperature sensing device includes that vertical heating column is connect with horizontal thermally conductive sheet, and the two of thermally conductive sheet
End is contacted with two pressing line frames, and heating column, which is located in temperature-sensitive slot, not to be in contact with it.Structure is simple, and thermally conductive sheet is with elastic telescopic
Sheet metal, closer when contacting with pressing line frame, heat transfer is unaffected when expanding with heat and contract with cold；The heating column position being connect with thermally conductive sheet
In not contacted with insulation crust in temperature-sensitive slot, heat transmitting distortion is avoided, the accuracy of monitoring is improved.
In the preferred scheme, heating column is the cylinder of circular cylinder or rectangle.Structure is simple, use process, according to
The size of current of different circuit, the heating column of settable different structure shape, circular cylinder is applicable in and the lesser circuit of electric current,
Cooperate circular thermochromic patch；The cylinder of rectangle is suitable for the biggish circuit of electric current, cooperates the thermochromic patch of rectangle,
Adaptability is good.
In the preferred scheme, heating column upper end is consistent with the height of insulation crust upper side.Structure is simple, heating column with
Insulation crust upper side height is consistent, exposes to outside insulation crust, will not be blocked after the fitting of thermochromic patch by temperature-sensitive slot,
It is easier to be observed during inspection.
In the preferred scheme, thermochromic patch has discoloration display and changes colour reversible.Structure is simple, thermochromic patch
Piece is reversible thermochromic patch, has colour changing thermal indicutor and the reversible function of become color, is attached to the heating column of temperature sensing device
Surface, for monitoring the temperature of thermally conductive sheet.When monitoring temperature meets or exceeds the rated temperature of thermochromic patch, thermochromic
Patch becomes eye-catching color by not eye-catching color immediately, such as is reddened color by black, is convenient for screening failure.
In the preferred scheme, thermochromic patch bottom coats self-adhesive.Structure is simple, and thermochromic patch is self-adhesion
Type can post when manufacturing, the thermochromic of different Discolorations and rated temperature can also be selected as needed by user
Patch is attached on heating column, and preferred that black is selected to redden color or grey flavescence color, rated temperature is 55 DEG C or rated temperature is
65 DEG C of thermochromic patch.
A kind of temperature-sensitive suitable for electric loop indicates connecting terminal, it includes insulation crust, pressing line frame, fastening screw,
Temperature-sensitive slot, temperature sensing device, thermochromic patch pass through sense by the way that temperature-sensitive slot is arranged between two pressing line frames in insulation crust
Setting temperature sensing device is contacted with pressing line frame in warm slot, and by conducting wire and pressing line frame grafting, fastening screw is fixed, and passes through thermochromic
Patch is bonded sensor wire connecting part temperature change with temperature sensing device and shows different colours.The utility model overcomes former electrical
The observation of connecting terminal heating position is difficult when the inspection of circuit, and the problem of failure screening difficulty has structure simple, when being convenient for inspection
Screening failure terminal, easy to operate simple feature are convenient in observation.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic side view of Fig. 1.
Fig. 3 is the schematic top plan view of Fig. 1.
In figure: insulation crust 1, pressing line frame 2, fastening screw 3, temperature-sensitive slot 4, temperature sensing device 5, thermally conductive sheet 51, heating column 52,
Thermochromic patch 6.
Specific embodiment
In Fig. 1 ~ Fig. 3, a kind of temperature-sensitive instruction connecting terminal suitable for electric loop, it includes being located at insulation crust 1
Interior two sides are used for the pressing line frame 2 of grafting conducting wire, and the fastening screw 3 of conducting wire, institute are compressed across insulation crust 1 and the cooperation of pressing line frame 2
Insulation crust 1 is stated equipped with temperature-sensitive slot 4 between two pressing line frames 2, temperature sensing device 5 is located in temperature-sensitive slot 4 to be contacted with pressing line frame 2,
Thermochromic patch 6 connect the temperature of monitoring pressing line frame 2 and wire interconnecting piece position with temperature sensing device 5.Structure is simple, by exhausted
Temperature-sensitive slot 4 is set between two pressing line frames 2 in edge shell 1, is contacted by the way that temperature sensing device 5 is arranged in temperature-sensitive slot 4 with pressing line frame 2,
By conducting wire and 2 grafting of pressing line frame, fastening screw 3 is fixed, is bonded sensor wire with temperature sensing device 5 by thermochromic patch 6
Connecting part temperature change simultaneously shows different colours, convenient for observing when inspection, is convenient for screening failure terminal, easy to operate simple.
In preferred scheme, the insulation crust 1 is the molding of insulating materials one-time-concreting.Structure is simple, using once pouring
Molding insulation crust 1 is built, precision is high, and after molding, leading flank or trailing flank are reserved with the notch installed for pressing line frame 2, installation
It when pressing line frame 2, is filled in from notch side, fastening screw 3 is passed through from 1 upper side of insulation crust and connect with pressing line frame 2, installation side
Just.
In preferred scheme, the pressing line frame 2 is the strip shape body of metallic conduction, and one end is equipped with screw thread and matches with fastening screw 3
It closes, side is equipped with the open slot for conducting wire insertion.Structure is simple, and strip shape body pressing line frame 2 and the insulation crust 1 of metallic conduction are matched
It after conjunction, does not rotate, skids with when being fastened after conducting wire grafting；When conducting wire is inserted into, entered from the insert port of 1 two sides of insulation crust
In the open slot of 2 side of pressing line frame, rotatably compressed later by fastening screw 3, it is easy for installation.
In preferred scheme, the temperature-sensitive slot 4 is the groove body perpendicular to insulation crust 1, through the two of insulation crust 1
Side, groove body inner wall are equipped with the opening with 2 connection of pressing line frame.Structure is simple, and when installation, temperature sensing device 5 is opened from 4 top of temperature-sensitive slot
Mouth is downwardly into, and thermally conductive sheet 51 and 4 inner wall of temperature-sensitive slot with elastic expansion range contradict, when thermally conductive sheet 51 glides by temperature-sensitive slot
When the opening of 4 two sides and 2 connection of pressing line frame, thermally conductive sheet 51 is limited after entering opening with the mutually conflict of pressing line frame 2, easy for installation,
Contact is close, and when heat transfer is undistorted, monitors more acurrate.
In preferred scheme, the temperature sensing device 5 includes connecting vertical heating column 52 with horizontal thermally conductive sheet 51, thermally conductive
The both ends of piece 51 are contacted with two pressing line frames 2, and heating column 52, which is located in temperature-sensitive slot 4, not to be in contact with it.Structure is simple, and thermally conductive sheet 51 is
Sheet metal with elastic telescopic, closer when contacting with pressing line frame 2, heat transfer is unaffected when expanding with heat and contract with cold；With it is thermally conductive
The heating column 52 that piece 51 connects is located in temperature-sensitive slot 4 not to be contacted with insulation crust 1, is avoided heat transmitting distortion, is improved the standard of monitoring
True property.
In preferred scheme, the heating column 52 is the cylinder of circular cylinder or rectangle.Structure is simple, use process,
According to the size of current of different circuit, the heating column 52 of settable different structure shape, circular cylinder is applicable in smaller with electric current
Circuit, cooperate circular thermometric patch 6；The cylinder of rectangle is suitable for the biggish circuit of electric current, cooperates the thermometric patch of rectangle
6, adaptability is good.
In preferred scheme, 52 upper end of heating column is consistent with the height of 1 upper side of insulation crust.Structure is simple, leads
Plume 52 is consistent with 1 upper side height of insulation crust, exposes to outside insulation crust 1 after the fitting of thermochromic patch 6, will not be by
Temperature-sensitive slot 4 blocks, and is easier to be observed during inspection.
In preferred scheme, the thermochromic patch 6 has discoloration display and changes colour reversible.Structure is simple, and discoloration is surveyed
Warm patch 6 is reversible thermochromic patch, has colour changing thermal indicutor and the reversible function of become color, is attached to leading for temperature sensing device 5
The surface of plume 52, for monitoring the temperature of thermally conductive sheet 51.When monitoring temperature meets or exceeds the rated temperature of thermometric patch 6,
Thermochromic patch 6 becomes eye-catching color by not eye-catching color immediately, such as is reddened color by black, is convenient for screening failure.
In preferred scheme, 6 bottom of thermochromic patch coats self-adhesive.Structure is simple, and thermochromic patch 6 is
Self-adhering-type can post when manufacturing, the discoloration of different Discolorations and rated temperature can also be selected as needed by user
Thermometric patch is attached on heating column 52, preferred to select grey flavescence color or black flavescence color, and rated temperature is 55 DEG C or specified
The thermochromic patch that temperature is 65 DEG C.
Temperature-sensitive as described above suitable for electric loop indicates connecting terminal, when installing and using, in insulation crust 1
Temperature-sensitive slot 4 is set between two pressing line frames 2, and setting temperature sensing device 5 is contacted with pressing line frame 2 in temperature-sensitive slot 4, and conducting wire and pressing line frame 2 are inserted
It connects, fastening screw 3 is fixed, and thermochromic patch 6 is bonded sensor wire connecting part temperature change with temperature sensing device 5 and shows difference
Color is convenient for screening failure terminal convenient for observing when inspection, easy to operate simple.
Using the molding insulation crust 1 of one-time-concreting, precision is high, and after molding, leading flank or trailing flank are reserved with for crimping
The notch that frame 2 is installed is filled in when installing pressing line frame 2 from notch side, and fastening screw 3 passes through and pressure from 1 upper side of insulation crust
Wire frame 2 connects, easy for installation.
It after the strip shape body pressing line frame 2 and insulation crust 1 of metallic conduction cooperate, does not rotate, is beaten with when being fastened after conducting wire grafting
It is sliding；When conducting wire is inserted into, entered in the open slot of 2 side of pressing line frame from the insert port of 1 two sides of insulation crust, later by fastening
Screw 3 rotatably compresses, easy for installation.
When installation, temperature sensing device 5 is from Open Side Down on temperature-sensitive slot 4 top insertion, the thermally conductive sheet 51 with elastic expansion range
It is contradicted with 4 inner wall of temperature-sensitive slot, when thermally conductive sheet 51 glides by the opening of 4 two sides of temperature-sensitive slot and 2 connection of pressing line frame, thermally conductive sheet 51
It mutually contradicts and limits with pressing line frame 2 after into opening, easy for installation, contact is close, and when heat transfer is undistorted, monitors more quasi-
Really.
Thermally conductive sheet 51 is the sheet metal with elastic telescopic, closer when contacting with pressing line frame 2, and heat passes when expanding with heat and contract with cold
It passs unaffected；It is located in temperature-sensitive slot 4 with the heating column 52 that thermally conductive sheet 51 connects and is not contacted with insulation crust 1, avoids hot transmitting
Distortion, improves the accuracy of monitoring.
Use process, according to the size of current of different circuit, the heating column 52 of settable different structure shape, circular column
Body is applicable in and the lesser circuit of electric current, cooperates circular thermometric patch 6；The cylinder of rectangle is suitable for the biggish circuit of electric current, matches
The thermometric patch 6 of rectangle is closed, adaptability is good.
Heating column 52 is consistent with 1 upper side height of insulation crust, exposes to insulation crust after the fitting of thermochromic patch 6
It outside 1, will not be blocked by temperature-sensitive slot 4, be easier to be observed during inspection.
Thermochromic patch 6 is reversible thermochromic patch, has colour changing thermal indicutor and the reversible function of become color, is attached to
The surface of the heating column 52 of temperature sensing device 5, for monitoring the temperature of thermally conductive sheet 51.When monitoring temperature meets or exceeds thermometric patch
6 rated temperature, thermochromic patch 6 become eye-catching color by not eye-catching color immediately, such as are reddened color by black, just
In screening failure.
Thermochromic patch 6 is self-adhering-type, can post when manufacturing, different changes can also be selected as needed by user
The thermochromic patch of color type and rated temperature is attached on heating column 52, preferred to select that black reddens color or grey turns yellow
Color, the thermochromic patch that rated temperature is 55 DEG C or rated temperature is 65 DEG C.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the features in the embodiments and the embodiments of the present application in the absence of conflict, can mutual any combination.This is practical new
The protection scope of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection scope.Equivalent replacement i.e. within this range is improved, also the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of temperature-sensitive suitable for electric loop indicates connecting terminal, it includes being located at insulation crust (1) interior two sides for inserting
The pressing line frame (2) of conducting wire is connect, the fastening screw (3) that insulation crust (1) and pressing line frame (2) cooperation compresses conducting wire, feature are passed through
Be: the insulation crust (1) is equipped with temperature-sensitive slot (4) between two pressing line frames (2), and temperature sensing device (5) is located in temperature-sensitive slot (4)
It is contacted with pressing line frame (2), thermochromic patch (6) connect monitoring pressing line frame (2) and wire interconnecting piece position with temperature sensing device (5)
Temperature.
2. the temperature-sensitive according to claim 1 suitable for electric loop indicates connecting terminal, it is characterized in that: outside the insulation
Shell (1) is the molding of insulating materials one-time-concreting.
3. the temperature-sensitive according to claim 1 suitable for electric loop indicates connecting terminal, it is characterized in that: the pressing line frame
It (2) is the strip shape body of metallic conduction, one end is equipped with screw thread and fastening screw (3) cooperate, and side, which is equipped with, is used for opening for conducting wire insertion
Mouth slot.
4. the temperature-sensitive according to claim 1 suitable for electric loop indicates connecting terminal, it is characterized in that: the temperature-sensitive slot
It (4) is the groove body perpendicular to insulation crust (1), through the two sides of insulation crust (1), groove body inner wall is equipped with and pressing line frame (2)
The opening of connection.
5. the temperature-sensitive according to claim 1 suitable for electric loop indicates connecting terminal, it is characterized in that: the temperature-sensitive fills
Setting (5) includes connecting vertical heating column (52) with horizontal thermally conductive sheet (51), the both ends and two pressing line frames (2) of thermally conductive sheet (51)
Contact, heating column (52), which is located in temperature-sensitive slot (4), not to be in contact with it.
6. the temperature-sensitive according to claim 5 suitable for electric loop indicates connecting terminal, it is characterized in that: the heating column
It (52) is circular cylinder or the cylinder of rectangle.
7. the temperature-sensitive according to claim 5 suitable for electric loop indicates connecting terminal, it is characterized in that: the heating column
(52) upper end is consistent with the height of insulation crust (1) upper side.
8. the temperature-sensitive according to claim 1 suitable for electric loop indicates connecting terminal, it is characterized in that: the discoloration is surveyed
Warm patch (6) has discoloration display and changes colour reversible.
9. the temperature-sensitive according to claim 8 suitable for electric loop indicates connecting terminal, it is characterized in that: the discoloration is surveyed
Warm patch (6) bottom coats self-adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489262.9U CN208723129U (en) | 2018-09-12 | 2018-09-12 | Temperature-sensitive suitable for electric loop indicates connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821489262.9U CN208723129U (en) | 2018-09-12 | 2018-09-12 | Temperature-sensitive suitable for electric loop indicates connecting terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723129U true CN208723129U (en) | 2019-04-09 |
Family
ID=65981768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821489262.9U Active CN208723129U (en) | 2018-09-12 | 2018-09-12 | Temperature-sensitive suitable for electric loop indicates connecting terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723129U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937578A (en) * | 2022-06-21 | 2022-08-23 | 广东电网有限责任公司 | Insulating protective cover |
-
2018
- 2018-09-12 CN CN201821489262.9U patent/CN208723129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937578A (en) * | 2022-06-21 | 2022-08-23 | 广东电网有限责任公司 | Insulating protective cover |
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