CN111509487A - Temperature sensing secondary binding post that discolours that easily inserts - Google Patents
Temperature sensing secondary binding post that discolours that easily inserts Download PDFInfo
- Publication number
- CN111509487A CN111509487A CN202010301074.4A CN202010301074A CN111509487A CN 111509487 A CN111509487 A CN 111509487A CN 202010301074 A CN202010301074 A CN 202010301074A CN 111509487 A CN111509487 A CN 111509487A
- Authority
- CN
- China
- Prior art keywords
- groove
- plug
- terminal
- thermochromic
- shell
- 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.)
- Granted
Links
Images
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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- 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
- H01R13/465—Identification means, e.g. labels, tags, markings
-
- 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
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/527—Flameproof cases
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
Abstract
The invention discloses an easy-to-plug thermochromic secondary wiring terminal which comprises a wiring terminal, a temperature sensing and color changing secondary wiring terminal and a temperature sensing and color changing secondary wiring terminal, wherein the wiring terminal comprises a shell, a plug, a cable and a connecting piece, the plug is plugged into the shell, the cable is positioned in the plug, and the connecting piece is connected with the cable; the plug-in unit comprises a clamping seat positioned in the shell, a sliding block positioned in the clamping seat and a buckle abutted against the sliding block, and the buckle is connected to the outer side of the plug; this device secondary binding post's connection or disconnection only need simple press can, press the entering during connection, just can pop out according to pressing down slightly hard during the disconnection, make secondary binding post's wiring more reliable safety, during the access, press the plug into the casing, when opening circuit, gently press the plug and can extract, convenient and fast, can discover the connection of discolouring and disconnection terminal rapidly when terminal high temperature is dangerous, can in time discover hidden danger such as latent electric current opens a way, avoid equipment such as protective current transformer to damage because of opening a way, and then ensure secondary equipment's reliable operation.
Description
Technical Field
The invention relates to the field of electric power safety, in particular to a temperature-sensing color-changing secondary wiring terminal easy to plug.
Background
The secondary wiring terminal is widely applied to the transformer substation. The operation condition of the terminal is generally healthy, and the terminal is only required to be subjected to periodical appearance inspection, dust removal, temperature detection and other works in daily life. The connecting terminal is an important component in the electrical industry, plays an irreplaceable and non-negligible role, and is particularly important in design because engineering technicians firstly check the connector when overhauling the connector, namely, the terminal. The connecting terminal is used for conveniently connecting the wires, and is actually a section of metal sheet sealed in insulating plastic, both ends of the metal sheet are provided with holes for inserting the wires, and screws are used for fastening or loosening, for example, two wires are connected at times and disconnected at times, and then the two wires can be connected by using the terminal and disconnected at any time without welding or winding the two wires together, so that convenience and rapidness are realized. However, the terminal may generate heat due to loose wiring and the like, and the terminal can be burnt seriously, so that a secondary circuit is interrupted, and the operation of secondary equipment is threatened. Such heat generation defects occur relatively frequently at the current terminals. In order to find the defect of terminal heating in time, a common method is to regularly use an infrared imager or a laser thermometer to perform temperature patrol on the terminal. The method needs special instruments for assistance, is inconvenient for finding potential defects in time in daily life, needs corresponding tools and time for operation when the wiring terminal needs to be disconnected due to the fact that most wiring is carried out in a welding or bolt mode after temperature abnormity is found, and is tedious in steps and long in time consumption.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that the operation is complicated, the time consumption is long, the safety is poor, and the potential defects are not convenient to find in time in daily life when the secondary wiring terminal is disconnected in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: an easy-to-plug thermochromic secondary wiring terminal comprises a wiring terminal body, a plug, a cable and a connecting piece, wherein the plug is plugged into the shell body; the plug-in unit comprises a clamping seat positioned in the shell, a sliding block positioned in the clamping seat and a buckle abutted against the sliding block, wherein the buckle is connected to the outer side of the plug.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the shell comprises an upper shell and a lower shell, a containing groove M is formed between the contact surfaces of the upper shell and the lower shell, the clamping seat is arranged in the containing groove, and the upper shell is connected with the lower shell through a bolt.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the joint seat is provided with spout, first spring holder, the slider is placed in the spout, the slider is provided with the second spring holder, pass through spring coupling between first spring holder and the second spring holder.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the joint seat still is provided with the hinge hole, the slider is provided with the constant head tank, the hinge hole with be connected with the connecting rod between the constant head tank, connecting rod one end rotates around the hinge hole, and the other end slides in the constant head tank.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: a limiting block is arranged in the middle of the positioning groove, one end, far away from the hinge hole, of the limiting block is a concave surface, and one end, close to the hinge hole, of the limiting block is a V-shaped surface; the stopper with include first groove, second groove, third groove, fourth groove, fifth groove and sixth groove in proper order between the constant head tank, the degree of depth in first groove is greater than the degree of depth in second groove, first groove with second groove smooth connection, the degree of depth in second groove is less than the degree of depth in third groove, form the ladder between second groove and the third groove, the degree of depth in third groove is less than the degree of depth in fourth groove, form the ladder between third groove and the fourth groove, the degree of depth in fourth groove is less than the fifth groove, form the ladder between fourth groove and the fifth groove, the degree of depth in fifth groove is greater than the degree of depth in sixth groove, fifth groove and sixth groove smooth connection, the degree of depth in sixth groove is less than the degree of depth in first groove, form the ladder between sixth groove and the first groove.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the connecting rod includes first end and second end, first end is fixed in the hinge hole, the second end slides along first groove, second groove, third groove, fourth groove, fifth groove and sixth groove in proper order.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the sliding block is also provided with a first inclined surface, and the corresponding buckle is provided with a second inclined surface; the sliding block is also provided with an elastic clamping hook, and the corresponding clamping buckle is provided with a clamping groove.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the connecting piece comprises a cone, an elastic piece connected with the cone and a terminal connected with the elastic piece, and the cable, the cone, the elastic piece and the terminal form a current path.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the plug-in unit is provided with a pair of and symmetry are placed at least in the binding post.
As a preferable scheme of the easy-to-insert thermochromic secondary terminal, the invention comprises the following steps: the surface of the shell is wrapped with temperature-sensitive color-changing powder.
The invention has the beneficial effects that: through the grafting unit that sets up, this device secondary binding post's connection or disconnection only need simple press can, press the entering during connection, just can pop out according to pressing down slightly hard during the disconnection, the structure is ingenious, make secondary binding post's wiring more reliable safety, during the access, press into the plug in the casing, when opening circuit, gently press the plug and can extract, convenient and fast, can discover rapidly when terminal high temperature is dangerous that the terminal discolours and breaks off terminal's connection, can in time discover hidden danger such as latent electric current opens a way, avoid equipment such as protective current transformer to damage because of opening a way, and then ensure the reliable operation of a secondary equipment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic structural view of an easy-to-insert thermochromic secondary terminal according to an embodiment of the invention;
fig. 2 is a schematic structural view illustrating a developed housing of a thermochromic secondary terminal easy to insert according to an embodiment of the present invention;
fig. 3 is a front view of an easy-to-plug thermochromic secondary terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an insertion unit in an easy-to-insert thermochromic secondary terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a clamping seat and a sliding block in the easy-to-insert thermochromic secondary terminal provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a slider in the easy-to-insert thermochromic secondary terminal according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an insertion process of the easy-to-insert thermochromic secondary terminal according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 7, the present embodiment provides an easy-to-plug thermochromic secondary connection terminal, which includes a connection terminal 100, including a housing 101, a plug 102 plugged with the housing 101, a cable 103 located in the plug 102, and a connector 104 connected to the cable 103; the shell 101 and the plug 102 are insulators, the cable 103 is embedded in the plug 102, and when the plug 102 is inserted into the shell 101, the conducting wires of the cable 103 are in contact with the connecting piece 104 positioned in the shell 101 to carry out current transmission; the plug-in unit 200 comprises a clamping seat 201 located in the housing 101, a sliding block 202 located in the clamping seat 201, and a buckle 203 abutted against the sliding block 202, wherein the buckle 203 is connected to the outer side of the plug 102, and when the plug 102 is inserted into the housing 101, the buckle 203 and the sliding block 202 are in contact and cannot slide out.
Specifically, in order to facilitate detachment or installation, the casing 101 includes an upper casing 101a and a lower casing 101b, a containing groove M is provided between contact surfaces of the upper casing 101a and the lower casing 101b, the clamping seat 201 is disposed in the containing groove M, and the upper casing 101a and the lower casing 101b are connected through the bolt 105. In this embodiment, at least one pair of the plug units 200 is disposed in the connection terminal 100 and symmetrically disposed for clamping and fixing.
Further, the clamping seat 201 is provided with a sliding groove 201a and a first spring seat 201b, the sliding block 202 is placed in the sliding groove 201a, the sliding block 202 can slide in the sliding groove 201a, the sliding block 202 is provided with a second spring seat 202a, and the first spring seat 201b is connected with the second spring seat 202a through a spring 204; the pretightening force of the spring 204 maximizes the distance between the second spring seat 202a and the first spring seat 201b, when the slider 202 slides toward the first spring seat 201b in the sliding groove 201a due to the thrust, the spring 204 is compressed and shortened, and when the slider 202 is not stressed, the tension of the spring 204 keeps the second spring seat 202a away from the first spring seat 201 b. The clamping seat 201 is further provided with a hinge hole 201c, the slider 202 is provided with a positioning groove 202b, a connecting rod 205 is connected between the hinge hole 201c and the positioning groove 202b, one end of the connecting rod 205 rotates around the hinge hole 201c, and the other end slides in the positioning groove 202 b. Specifically, the connecting rod 205 includes a first end 205a and a second end 205b, the first end 205a is fixed in the hinge hole 201c, and the second end 205b slides in the positioning groove 202 b.
The middle of the positioning groove 202b is provided with a limiting block 202c, one end of the limiting block 202c, which is far away from the hinge hole 201c, is a concave surface 202c-1, when the second spring seat 202a slides towards the first spring seat 201b, the second end 205b of the connecting rod 205 slides into the concave surface 202c-1 and hooks the concave surface 202c-1 to limit the second spring seat 202a to be far away from the first spring seat 201b, and one end of the limiting block 202c, which is near the hinge hole 201c, is a V-shaped surface 202 c-2.
Further, a first groove 202b-1, a second groove 202b-4, a third groove 202b-3, a fourth groove 202b-4, a fifth groove 202b-5 and a sixth groove 202b-6 are sequentially arranged between the limiting block 202c and the positioning groove 202b, the depth of the first groove 202b-1 is greater than that of the second groove 202b-4, the first groove 202b-1 is smoothly connected with the second groove 202b-4, the depth of the second groove 202b-4 is less than that of the third groove 202b-3, a step is formed between the second groove 202b-4 and the third groove 202b-3, the depth of the third groove 202b-3 is less than that of the fourth groove 202b-4, a step is formed between the third groove 202b-3 and the fourth groove 202b-4, the depth of the fourth groove 202b-4 is less than that of the fifth groove 202b-5, a step is formed between the fourth groove 202b-4 and the fifth groove 202b-5, the depth of the fifth groove 202b-5 is greater than the depth of the sixth groove 202b-6, the fifth groove 202b-5 is smoothly connected with the sixth groove 202b-6, the depth of the sixth groove 202b-6 is less than the depth of the first groove 202b-1, and a step is formed between the sixth groove 202b-6 and the first groove 202 b-1. In the initial state, the first end 205a is fixed in the hinge hole 201c, the length of the spring 204 is the longest, the second end 205b is located in the first groove 202b-1, when the plug 102 enters the housing 101, the catch 203 pushes the slider 202 to shorten the spring 204, at this time, the second end 205b can only slide into the second groove 202b-4 along the trend of the V-shaped surface 202c-2 and the first groove 202b-1 and fall into the third groove 202b-3 from the second groove 202b-4, and the spring 204 has a tendency of extending, so that the second end 205b is tightly attached in the concave surface 202c-1 and cannot fall off. At this time, the plug 102 enters the deepest position in the housing 101, and the cable 103 collides with the connecting piece 104 to conduct electricity; the second end 205b can then only slide sequentially along the first slot 202b-1, the second slot 202b-4, the third slot 202b-3, the fourth slot 202b-4, the fifth slot 202b-5, and the sixth slot 202b-6, in that order.
Further, the sliding block 202 is also provided with a first inclined surface 202d, and the corresponding buckle 203 is provided with a second inclined surface 203 a; when the plug 102 is pushed inward, the second inclined surface 203a contacts with the first inclined surface 202d and pushes the first inclined surface 202d to slide, in order to prevent the clip 203 from falling off, the slider 202 is further provided with an elastic hook 202e, the corresponding clip 203 is provided with a slot 203b, when the clip enters the housing 101, the elastic hook 202e is extruded and deformed until the elastic hook 202e is embedded into the slot 203b, and the clip cannot fall off without using external force.
Preferably, the connecting element 104 includes a taper 104a, an elastic element 104b connected to the taper 104a, and a terminal 104c connected to the elastic element 104b, the cable 103 forms a current path with the taper 104a, the elastic element 104b, and the terminal 104c, the elastic element 104b is a conductive spring, and the taper 104a is provided in a conical shape because the cable 103 can contact the taper 104a and disperse the multiple wires to increase the contact area after entering the housing 101.
The working principle of the invention is as follows: before the plug 102 is not inserted into the housing 101, the plug is in a disconnected state, at this time, the slider 202 is only under the action of the elastic force of the spring 204 on the clamping seat 201, so that the distance between the first spring seat 201b and the second spring seat 202a is in a maximum state, the second end 205b of the connecting rod 205 is located in a first groove 202b-1 of the positioning groove 202b, wherein the distance between the first groove 202b-1 and the first spring seat 201b is the nearest groove; when the plug 102 starts to be connected with the housing 101, the plug 102 is pushed into the housing 101, the second inclined surface 203a presses the elastic hook 202e and continues to be plugged, the second inclined surface 203a touches the first inclined surface 202d, the elastic hook 202e slides into the slot 203b, the second inclined surface 203a pushes the first inclined surface 202d to move, as the first inclined surface 202d moves on the slider 202, the slider 202 moves in the sliding slot 201a, the second spring seat 202a moves towards the first spring seat 201b, the spring 204 is pressed, the second end 205b of the connecting rod 205 slides into the second slot 202b-4 and the third slot 202b-3 along the same direction, and is hung on the concave surface 202c-1 to position the slider 202, and at this time, the cable 103 is connected with the connecting piece 104 to conduct electricity; when the plug 102 needs to be separated from the housing 101, the plug 102 is continuously pressed into the housing 101, the spring 204 is continuously pressed and shortened, the second end 205b of the connecting rod 205 slides into the fourth groove 202b-4, at this time, the plug 102 can be released, the sliding block 202 is bounced open under the action of the elastic force of the spring 204, the second end 205b slides into the fifth groove 202b-5 and the sixth groove 202b-6, and is reset into the first groove 202b-1, and the plug 102 is separated from the housing 101. According to the invention, the connection or disconnection of the secondary wiring terminal can be realized only by simply pressing, the secondary wiring terminal can be pressed into the connection terminal and can be popped out by slightly pressing the secondary wiring terminal, the structure is ingenious, and the connection of the secondary wiring terminal is more reliable and safer.
Example 2
Referring to fig. 1 to 7, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that: the surface of the shell 101 is wrapped with a thermochromic powder 106 (not shown), preferably, the thermochromic powder 106 is a microencapsulated reversible thermochromic material in the prior art, and the particles of the pigment are spherical, and the average diameter of the pigment is 2-7 micrometers (one micrometer is equal to one thousandth of millimeter). The inside is the color-changing material, and the outside is the transparent shell that a layer of thickness is about 0.2 ~ 0.5 micron can neither dissolve nor melt, and its temperature sensing discolours basic temperature and is: the thermochromic powder 106 is prepared from an electron transfer organic compound system at-5 deg.C, 0 deg.C, 5 deg.C, 10 deg.C, 16 deg.C, 21 deg.C, 31 deg.C, 33 deg.C, 38 deg.C, 43 deg.C, 45 deg.C, 50 deg.C, 65 deg.C, 70 deg.C, and 78 deg.C. The electron transfer type organic compound is an organic color system with a special chemical structure. The molecular structure of the organic substance is changed by electron transfer at a specific temperature, thereby realizing color conversion. Preferably, the thermochromic powder 106 and the housing 101 are integrally formed and made of an insulating material; in particular, in terms of temperature detection. The terminal may generate heat due to loose wiring and other reasons, and the terminal can be burnt seriously, so that a secondary circuit is interrupted, and the operation of secondary equipment is threatened. After the temperature-sensitive color-changing powder 106 is arranged in the shell 101, in the daily inspection and maintenance process of the overhaul and operation personnel, even if professional equipment is not used, the overtemperature hidden danger on the terminal can be found, the monitoring density of the overtemperature of the terminal is greatly improved, the related hidden danger can be found more effectively, the judgment can be made in time, if the danger is high, the plug 102 is pulled out to prevent the occurrence of a safety accident, the heated secondary terminal can be found in time, not only the damage of the terminal can be avoided, but also the potential hidden dangers such as open current and the like can be found in time, the damage of equipment such as a current transformer and the like caused by open circuit can be avoided, the reliable operation of the primary and secondary equipment can be ensured, most importantly, after the danger is found, the danger can be borrowed in time, the plug 102 is pressed into the shell 101, the spring 204 is continuously extruded and shortened, the second end 205b of the connecting rod 205 slides into the, at this time, the plug 102 is released, the slider 202 is sprung open by the elastic force of the spring 204, the second end 205b slides into the fifth groove 202b-5 and the sixth groove 202b-6 to be restored to the first groove 202b-1, and the plug 102 is separated from the housing 101. According to the invention, the connection or disconnection of the secondary wiring terminal can be realized only by simply pressing, the secondary wiring terminal can be pressed into the connection terminal and can be popped out by slightly pressing the secondary wiring terminal, the structure is ingenious, and the connection of the secondary wiring terminal is more reliable and safer.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides an easy temperature sensing of pegging graft secondary binding post that discolours which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the wiring terminal (100) comprises a shell (101), a plug (102) plugged with the shell (101), a cable (103) positioned in the plug (102), and a connecting piece (104) connected with the cable (103);
the plug-in unit (200) comprises a clamping seat (201) positioned in the shell (101), a sliding block (202) positioned in the clamping seat (201), and a buckle (203) abutted against the sliding block (202), wherein the buckle (203) is connected to the outer side of the plug (102).
2. The easy-to-plug thermochromic secondary connection terminal of claim 1, wherein: the shell (101) comprises an upper shell (101a) and a lower shell (101b), a containing groove (M) is formed between contact surfaces of the upper shell (101a) and the lower shell (101b), the clamping seat (201) is arranged in the containing groove (M), and the upper shell (101a) is connected with the lower shell (101b) through a bolt (105).
3. The easy-to-plug thermochromic secondary connection terminal of claim 1 or 2, wherein: the clamping seat (201) is provided with a sliding groove (201a) and a first spring seat (201b), the sliding block (202) is placed in the sliding groove (201a), the sliding block (202) is provided with a second spring seat (202a), and the first spring seat (201b) is connected with the second spring seat (202a) through a spring (204).
4. The easy-to-plug thermochromic secondary connection terminal of claim 3, wherein: the joint seat (201) is further provided with a hinge hole (201c), the sliding block (202) is provided with a positioning groove (202b), the hinge hole (201c) is connected with a connecting rod (205) between the positioning grooves (202b), one end of the connecting rod (205) rotates around the hinge hole (201c), and the other end of the connecting rod slides in the positioning groove (202 b).
5. The easy-to-plug thermochromic secondary connection terminal of claim 4, wherein: a limiting block (202c) is arranged in the middle of the positioning groove (202b), a concave surface (202c-1) is arranged at one end, away from the hinge hole (201c), of the limiting block (202c), and a V-shaped surface (202c-2) is arranged at one end, close to the hinge hole (201c), of the limiting block (202 c);
a first groove (202b-1), a second groove (202b-4), a third groove (202b-3), a fourth groove (202b-4), a fifth groove (202b-5) and a sixth groove (202b-6) are sequentially arranged between the limiting block (202c) and the positioning groove (202b), the depth of the first groove (202b-1) is greater than that of the second groove (202b-4), the first groove (202b-1) is smoothly connected with the second groove (202b-4), the depth of the second groove (202b-4) is less than that of the third groove (202b-3), a step is formed between the second groove (202b-4) and the third groove (202b-3), and the depth of the third groove (202b-3) is less than that of the fourth groove (202b-4), a step is formed between the third groove (202b-3) and the fourth groove (202b-4), the depth of the fourth groove (202b-4) is less than that of the fifth groove (202b-5), the step is formed between the fourth groove (202b-4) and the fifth groove (202b-5), the depth of the fifth groove (202b-5) is greater than that of the sixth groove (202b-6), the fifth groove (202b-5) is smoothly connected with the sixth groove (202b-6), the depth of the sixth groove (202b-6) is less than that of the first groove (202b-1), and the step is formed between the sixth groove (202b-6) and the first groove (202 b-1).
6. The easy-to-plug thermochromic secondary connection terminal of claim 5, wherein: the connecting rod (205) comprises a first end (205a) and a second end (205b), the first end (205a) is fixed in the hinge hole (201c), and the second end (205b) sequentially slides along the first groove (202b-1), the second groove (202b-4), the third groove (202b-3), the fourth groove (202b-4), the fifth groove (202b-5) and the sixth groove (202 b-6).
7. The easy-to-plug thermochromic secondary connection terminal of claim 6, wherein: the sliding block (202) is also provided with a first inclined surface (202d), and the corresponding buckle (203) is provided with a second inclined surface (203 a); the sliding block (202) is also provided with an elastic hook (202e), and the corresponding buckle (203) is provided with a clamping groove (203 b).
8. The easy-to-plug thermochromic secondary connection terminal of claim 7, wherein: the connecting piece (104) comprises a cone (104a), an elastic piece (104b) connected with the cone (104a), and a terminal (104c) connected with the elastic piece (104b), and the cable (103) forms a current path with the cone (104a), the elastic piece (104b) and the terminal (104 c).
9. The easy-to-plug thermochromic secondary connection terminal of any one of claims 1, 4 to 8, wherein: the plug-in unit (200) is at least provided with a pair of plug-in units and symmetrically arranged in the wiring terminal (100).
10. The easy-to-plug thermochromic secondary connection terminal of claim 9, wherein: the surface of the shell (101) is wrapped with temperature-sensitive variable color powder (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010301074.4A CN111509487B (en) | 2020-04-16 | 2020-04-16 | Temperature sensing secondary binding post that discolours that easily inserts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010301074.4A CN111509487B (en) | 2020-04-16 | 2020-04-16 | Temperature sensing secondary binding post that discolours that easily inserts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111509487A true CN111509487A (en) | 2020-08-07 |
| CN111509487B CN111509487B (en) | 2021-08-17 |
Family
ID=71872669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010301074.4A Active CN111509487B (en) | 2020-04-16 | 2020-04-16 | Temperature sensing secondary binding post that discolours that easily inserts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111509487B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820524A (en) * | 2021-09-10 | 2021-12-21 | 贵州电网有限责任公司 | Electric energy meter interface conversion device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202142671U (en) * | 2011-01-10 | 2012-02-08 | 富士康(昆山)电脑接插件有限公司 | Electronic card connector |
| WO2013123439A1 (en) * | 2012-02-15 | 2013-08-22 | Alpha & Omega, Inc. | Sensors for electrical connectors |
| CN204257257U (en) * | 2014-12-23 | 2015-04-08 | 河南金博电缆有限公司 | A kind of electric wire with temperature-warning function |
| CN204835133U (en) * | 2015-06-26 | 2015-12-02 | 国网山东省电力公司济南供电公司 | Overhaul multi -purpose connector lug of power supply box |
| CN105305127A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus single body and integrated wire switching apparatus composed thereof |
| CN205882198U (en) * | 2016-07-25 | 2017-01-11 | 青岛建设集团有限公司 | Single core cable terminal fitting |
| CN106684577A (en) * | 2017-03-03 | 2017-05-17 | 曹孝培 | Multi-side pressing type intermediate quick energy-saving conductive connector |
| CN207743442U (en) * | 2018-01-05 | 2018-08-17 | 广州高权电器灯饰有限公司 | A kind of portable type connecting terminal |
| CN109994843A (en) * | 2019-03-20 | 2019-07-09 | 贵州电网有限责任公司 | A kind of electrical rapid wiring device and electrical quick connector |
| CN209730222U (en) * | 2019-05-16 | 2019-12-03 | 南通电力设计院有限公司 | A kind of heat discoloration connecting terminal |
-
2020
- 2020-04-16 CN CN202010301074.4A patent/CN111509487B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202142671U (en) * | 2011-01-10 | 2012-02-08 | 富士康(昆山)电脑接插件有限公司 | Electronic card connector |
| WO2013123439A1 (en) * | 2012-02-15 | 2013-08-22 | Alpha & Omega, Inc. | Sensors for electrical connectors |
| CN204257257U (en) * | 2014-12-23 | 2015-04-08 | 河南金博电缆有限公司 | A kind of electric wire with temperature-warning function |
| CN204835133U (en) * | 2015-06-26 | 2015-12-02 | 国网山东省电力公司济南供电公司 | Overhaul multi -purpose connector lug of power supply box |
| CN105305127A (en) * | 2015-10-29 | 2016-02-03 | 广州番禺电缆集团有限公司 | Wire switching apparatus single body and integrated wire switching apparatus composed thereof |
| CN205882198U (en) * | 2016-07-25 | 2017-01-11 | 青岛建设集团有限公司 | Single core cable terminal fitting |
| CN106684577A (en) * | 2017-03-03 | 2017-05-17 | 曹孝培 | Multi-side pressing type intermediate quick energy-saving conductive connector |
| CN207743442U (en) * | 2018-01-05 | 2018-08-17 | 广州高权电器灯饰有限公司 | A kind of portable type connecting terminal |
| CN109994843A (en) * | 2019-03-20 | 2019-07-09 | 贵州电网有限责任公司 | A kind of electrical rapid wiring device and electrical quick connector |
| CN209730222U (en) * | 2019-05-16 | 2019-12-03 | 南通电力设计院有限公司 | A kind of heat discoloration connecting terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820524A (en) * | 2021-09-10 | 2021-12-21 | 贵州电网有限责任公司 | Electric energy meter interface conversion device |
| CN113820524B (en) * | 2021-09-10 | 2024-04-09 | 贵州电网有限责任公司 | Electric energy meter interface conversion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111509487B (en) | 2021-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111509487B (en) | Temperature sensing secondary binding post that discolours that easily inserts | |
| US20120115348A1 (en) | Locking electrical receptacle with elongate clamping surfaces | |
| WO2023160466A1 (en) | Terminal having protection function | |
| CN111509409B (en) | Exempt from crimping intelligent terminal | |
| CN111817031B (en) | Connecting terminal strip capable of being connected quickly | |
| CN111725668B (en) | Power distribution terminal prevents mistake splicing head device | |
| CN111969355A (en) | Safety plug with detect function | |
| CN111551763A (en) | Electric energy meter case plug socket and plug-in mechanism thereof | |
| CN209043133U (en) | A kind of dedicated patchcord of Slapper detonator ignition | |
| CN211603325U (en) | T-shaped cable elbow head electroscope | |
| CN209461764U (en) | Changeover plug is used in a kind of measurement | |
| CN112713561B (en) | Compact epoxy resin fluidization insulation bus duct | |
| US7326852B2 (en) | String device | |
| CN112701641B (en) | Insulating bus duct convenient to installation | |
| CN207868436U (en) | A kind of combined electric connector | |
| CN219268038U (en) | Electrical design anti-drop socket and plug device | |
| CN220172539U (en) | Electric connector protection device and test burning tool | |
| CN215816485U (en) | Voltage terminal capable of being directly used for test | |
| CN218161639U (en) | Junction box for circuit inspection | |
| CN211929749U (en) | Plug wire type wiring terminal | |
| Pandey | Evaluation of various PV module cable connectors and analysis of their compatibility | |
| CN220382439U (en) | Wire harness connection tool and charging and discharging rack | |
| CN217468838U (en) | Wiring terminal device | |
| CN101425629A (en) | Fast splicer for coated wire | |
| JPH0135431Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |