CN107238737A - A kind of snap joint of magnetic-type electrical test line - Google Patents
A kind of snap joint of magnetic-type electrical test line Download PDFInfo
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- CN107238737A CN107238737A CN201710675893.3A CN201710675893A CN107238737A CN 107238737 A CN107238737 A CN 107238737A CN 201710675893 A CN201710675893 A CN 201710675893A CN 107238737 A CN107238737 A CN 107238737A
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 238000009413 insulation Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 2
- 241000270722 Crocodylidae Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/16—Magnets
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Abstract
一种磁吸式电气试验线的快速接头，本发明涉及一种磁吸式快速接头装置，它为了解决现有电气试验线的连接操作繁琐，易产生脱落、误触等问题。本发明磁吸式电气试验线的快速接头包括绝缘护套、吸附磁钢、连接螺栓、压紧弹簧、铜触头柱和螺母，压紧弹簧的一端设置在连接螺栓的栓帽表面，压紧弹簧的另一端与铜触头柱相连，连接螺栓插入吸附磁钢中，在连接螺栓的栓杆上套紧有螺母，铜触头从吸附磁钢的端面露出，在吸附磁钢的外表面包裹有绝缘护套。本发明利用该快速接头的磁力吸附功能完成保障连接的紧固，利用弹簧的压紧保障接触良好。从而克服试验接线过程中存在的弊端，提高电气试验工作效率。
A quick joint of a magnetic suction type electrical test line, the invention relates to a magnetic suction type quick joint device, which solves the problems of cumbersome connection operation of the existing electric test line, which is prone to fall off, false touch and the like. The quick connector of the magnetic suction type electric test line of the present invention includes an insulating sheath, an adsorption magnetic steel, a connecting bolt, a compression spring, a copper contact post and a nut, and one end of the compression spring is arranged on the surface of the bolt cap of the connection bolt, and is compressed The other end of the spring is connected with the copper contact column, the connecting bolt is inserted into the adsorption magnetic steel, and the nut is tightened on the bolt rod of the connecting bolt, the copper contact is exposed from the end face of the adsorption magnetic steel, wrapped on the outer surface of the adsorption magnetic steel With insulating sheath. The invention utilizes the magnetic adsorption function of the quick joint to complete the fastening of the guaranteed connection, and utilizes the compression of the spring to ensure good contact. Thereby, the disadvantages existing in the test wiring process are overcome, and the work efficiency of the electrical test is improved.
Description
技术领域technical field
本发明涉及一种磁吸式快速接头装置。The invention relates to a magnetic suction type quick joint device.
背景技术Background technique
一般现有电气试验线的接头主要有以下两种方式：Generally, there are two main ways to connect the existing electrical test line:
1、将试验导线通过插片式或插针式接头固定到端子排进行测试；1. Fix the test lead to the terminal block through the plug-in or pin-type connector for testing;
此种方法连接较牢固，但需要将端子螺丝松开，与原有导线并接，操作繁琐可靠性低，在进行小测试时，会增加工作量，操作过程较繁琐。在进行大量经常性试验时易对原有接线及端子造成损伤。This method is more secure in connection, but the terminal screw needs to be loosened and connected with the original wire in parallel. The operation is cumbersome and the reliability is low. When performing a small test, the workload will be increased, and the operation process is more cumbersome. It is easy to cause damage to the original wiring and terminals during a large number of frequent tests.
2、利用鳄鱼夹式快速接头夹在端子紧固螺丝上进行测试；2. Use the crocodile clip quick connector to clamp on the terminal fastening screw for testing;
此种方法易产生脱落、误触及其他端子造成短路等危险。This method is prone to risks such as falling off, touching other terminals by mistake and causing a short circuit.
发明内容Contents of the invention
本发明的目的是为了解决现有电气试验线的连接操作繁琐，易产生脱落、误触等问题，而提供的一种磁吸式电气试验线的快速接头。The object of the present invention is to provide a quick connector for a magnetic suction type electrical test line in order to solve the problems of cumbersome connection operation of the existing electric test line, easy occurrence of falling off, false touch and the like.
本发明磁吸式电气试验线的快速接头包括绝缘护套、吸附磁钢、连接螺栓、压紧弹簧、铜触头柱和螺母，吸附磁钢为长方块体，沿长方块体的轴向中心线上依次开有由触头孔、中间孔和螺栓孔组成的贯通孔，触头孔和中间孔形成台阶孔结构，压紧弹簧的一端设置在连接螺栓的栓帽表面，压紧弹簧的另一端与铜触头柱相连，连接螺栓插入中间孔中，连接螺栓的栓杆延伸入螺栓孔中，在连接螺栓的栓杆上套紧有螺母，铜触头柱位于触头孔内，铜触头柱的触头从吸附磁钢的端面露出，在吸附磁钢的外表面包裹有绝缘护套，在绝缘护套的尾端部开有出线孔。The quick connector of the magnetic suction type electric test line of the present invention includes an insulating sheath, an adsorption magnet, a connecting bolt, a compression spring, a copper contact post and a nut, and the adsorption magnet is a rectangular block, along the axial center of the rectangular block. There is a through hole consisting of a contact hole, a middle hole and a bolt hole in sequence on the line. The contact hole and the middle hole form a stepped hole structure. One end of the compression spring is set on the surface of the cap of the connecting bolt, and the other end of the compression spring One end is connected to the copper contact post, the connecting bolt is inserted into the middle hole, the bolt rod of the connecting bolt extends into the bolt hole, and a nut is tightly set on the bolt rod of the connecting bolt, the copper contact post is located in the contact hole, and the copper contact post is located in the contact hole. The contact of the head post is exposed from the end face of the magnetic steel, the outer surface of the magnetic steel is wrapped with an insulating sheath, and a wire hole is opened at the tail end of the insulating sheath.
本发明磁吸式电气试验线的快速接头利用吸附磁钢的磁力吸附功能完成保障连接的紧固，利用弹簧的压紧保障接触良好。从而克服现有试验接线过程中易产生脱落、误触的弊端，提高了电气试验工作效率。The quick joint of the magnetic suction type electrical test line of the present invention utilizes the magnetic force adsorption function of the magnetic steel to complete the fastening of the guarantee connection, and utilizes the compression of the spring to ensure good contact. Therefore, the disadvantages of easy falling off and false touch in the existing test wiring process are overcome, and the work efficiency of the electrical test is improved.
本发明通过弹簧压力和高磁性磁钢吸力，保证电气试验线接头的接触压力，本发明接触压力大、接触电阻小。具有连接紧固、插拔迅速、使用方便、可靠的特点，可大大加快试验进程。The invention guarantees the contact pressure of the joint of the electric test line through the spring pressure and the suction force of the high magnetic magnetic steel, and the invention has high contact pressure and small contact resistance. It has the characteristics of tight connection, fast plug-in and pull-out, convenient use and reliability, which can greatly speed up the test process.
附图说明Description of drawings
图1是本发明磁吸式电气试验线的快速接头的整体结构示意图；Fig. 1 is the overall structure schematic diagram of the quick connector of magnetic suction type electric test line of the present invention;
图2是本发明磁吸式电气试验线的快速接头的分解结构示意图；Fig. 2 is the exploded structure schematic diagram of the quick joint of magnetic suction type electrical test line of the present invention;
图3是吸附磁钢的内部结构示意图；Fig. 3 is a schematic diagram of the internal structure of the adsorption magnet;
图4是绝缘护套尾部结构示意图。Fig. 4 is a schematic diagram of the structure of the tail of the insulating sheath.
具体实施方式detailed description
具体实施方式一：本实施方式磁吸式电气试验线的快速接头包括绝缘护套6、吸附磁钢1、连接螺栓2、压紧弹簧3、铜触头柱4和螺母5，吸附磁钢1为长方块体，沿长方块体的轴向中心线上依次开有由触头孔1-1、中间孔1-2和螺栓孔1-3组成的贯通孔，触头孔1-1和中间孔1-2形成台阶孔结构，压紧弹簧3的一端设置在连接螺栓2的栓帽表面，压紧弹簧3的另一端与铜触头柱4相连，连接螺栓2插入中间孔1-2中，连接螺栓2的栓杆延伸入螺栓孔1-3中，在连接螺栓2的栓杆上套紧有螺母5，铜触头柱4位于触头孔1-1内，铜触头柱4的触头4-1从吸附磁钢1的端面露出，在吸附磁钢1的外表面包裹有绝缘护套6，在绝缘护套6的尾端部开有出线孔6-1。Specific embodiment 1: The quick connector of the magnetic suction type electrical test line in this embodiment includes an insulating sheath 6, an adsorption magnetic steel 1, a connecting bolt 2, a compression spring 3, a copper contact post 4 and a nut 5, and an adsorption magnetic steel 1 It is a rectangular block, and along the axial center line of the rectangular block, there are through holes consisting of contact hole 1-1, middle hole 1-2 and bolt hole 1-3. The contact hole 1-1 and the middle The hole 1-2 forms a stepped hole structure, one end of the compression spring 3 is set on the cap surface of the connecting bolt 2, the other end of the compression spring 3 is connected with the copper contact column 4, and the connecting bolt 2 is inserted into the middle hole 1-2 , the bolt rod of the connecting bolt 2 extends into the bolt hole 1-3, the nut 5 is tightly set on the bolt rod of the connecting bolt 2, the copper contact post 4 is located in the contact hole 1-1, and the copper contact post 4 The contact 4-1 is exposed from the end surface of the adsorption magnet 1, and the outer surface of the adsorption magnet 1 is wrapped with an insulating sheath 6, and an outlet hole 6-1 is opened at the tail end of the insulation sheath 6.
本实施方式中铜触头、压紧弹簧、导线连接螺栓和锁紧螺母均为铜质器件，吸附磁钢部件以高磁性磁钢制成，绝缘护套的材质为绝缘软橡胶。In this embodiment, copper contacts, compression springs, wire connecting bolts and lock nuts are all copper components, the magnetic steel parts for adsorption are made of high magnetic steel, and the insulating sheath is made of insulating soft rubber.
本实施方式导体部件(铜触头、压紧弹簧、导线连接螺栓、锁紧螺母)以螺栓夹持的方式固定在吸附磁钢部件腔体中，导线连接螺栓提供外接导线焊接点，引线由绝缘保护部件后端开孔处引出，绝缘保护部件将其全部保护在内。In this embodiment, the conductor parts (copper contacts, compression springs, wire connecting bolts, and lock nuts) are fixed in the cavity of the magnetic steel part by bolts. The wire connecting bolts provide welding points for external wires, and the leads are insulated The opening at the rear end of the protection part leads out, and the insulation protection part protects it all inside.
具体实施方式二：本实施方式与具体实施方式一不同的是压紧弹簧3的一端焊接在连接螺栓2的栓帽表面，压紧弹簧3的另一端与铜触头柱4焊接。Embodiment 2: This embodiment differs from Embodiment 1 in that one end of the compression spring 3 is welded on the cap surface of the connecting bolt 2 , and the other end of the compression spring 3 is welded to the copper contact post 4 .
本实施方式将铜触头柱、压紧弹簧、导线连接螺栓紧密焊接成一体，以增加电导率，减小导线所致测量误差。In this embodiment, the copper contact post, the compression spring, and the wire connection bolt are tightly welded into one body, so as to increase the electrical conductivity and reduce the measurement error caused by the wire.
具体实施方式三：本实施方式与具体实施方式一或二不同的是在吸附磁钢1中触头孔1-1段磁钢壁上开有相对的矩形槽1-4。Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that there are opposite rectangular grooves 1-4 on the magnetic steel wall of the contact hole 1-1 section in the adsorption magnetic steel 1 .
本实施方式中的矩形槽沿着长方块体的轴向，并与吸附磁钢的端面相通，以便某些继电器片状引脚的插接吸附。The rectangular groove in this embodiment is along the axial direction of the cuboid body and communicates with the end face of the magnetic steel to facilitate the insertion and adsorption of some relay chip pins.
具体实施方式四：本实施方式与具体实施方式一至三之一不同的是连接螺栓2的栓杆的两侧带有削边槽2-1。Embodiment 4: This embodiment differs from Embodiments 1 to 3 in that both sides of the bolt rod of the connecting bolt 2 are provided with chamfered grooves 2 - 1 .
本实施方式中削边槽的作用使连接螺栓的栓杆呈片状结构，以方便导线的牢固焊接，可在组装前预先镀锡。In this embodiment, the function of the chamfering groove makes the bolt rod of the connecting bolt have a sheet structure, so as to facilitate the firm welding of the wire, and it can be pre-tinned before assembly.
具体实施方式五：本实施方式与具体实施方式一至四之一不同的是触头4-1的形状为圆台形。Embodiment 5: This embodiment differs from Embodiments 1 to 4 in that the shape of the contact 4-1 is a truncated cone.
本实施方式的触头形状能够更好的与被吸附的螺丝结构的十字槽紧密贴合，以增大接触面积，减少电阻。The shape of the contact in this embodiment can better fit closely with the cross groove of the adsorbed screw structure, so as to increase the contact area and reduce the resistance.
具体实施方式六：本实施方式与具体实施方式一至五之一不同的是吸附磁钢1的长度为20～25mm。Embodiment 6: This embodiment is different from Embodiment 1 to Embodiment 5 in that the length of the adsorption magnet 1 is 20-25 mm.
具体实施方式七：本实施方式与具体实施方式一至六之一不同的是外接导线焊接在连接螺栓2上。Embodiment 7: The difference between this embodiment and one of Embodiments 1 to 6 is that the external wires are welded on the connecting bolts 2 .
实施例：本实施例磁吸式电气试验线的快速接头包括绝缘护套6、吸附磁钢1、连接螺栓2、压紧弹簧3、铜触头柱4和螺母5，吸附磁钢1为长方块体，沿长方块体的轴向中心线上依次开有由触头孔1-1、中间孔1-2和螺栓孔1-3组成的贯通孔，触头孔1-1和中间孔1-2形成台阶孔结构，压紧弹簧3的一端设置在连接螺栓2的栓帽表面，压紧弹簧3的另一端与铜触头柱4相连，连接螺栓2插入中间孔1-2中，连接螺栓2的栓杆延伸入螺栓孔1-3中，在连接螺栓2的栓杆上套紧有螺母5，铜触头柱4位于触头孔1-1内，铜触头柱4上的触头4-1从吸附磁钢1的端面露出，在吸附磁钢1的外表面包裹有绝缘护套6，在绝缘护套6的尾端部开有出线孔6-1。Embodiment: The quick connector of the magnetic suction type electrical test line in this embodiment includes an insulating sheath 6, an adsorption magnet 1, a connecting bolt 2, a compression spring 3, a copper contact post 4 and a nut 5, and the adsorption magnet 1 is a length Block body, along the axial center line of the rectangular block body, there are through holes consisting of contact hole 1-1, middle hole 1-2 and bolt hole 1-3 in sequence, contact hole 1-1 and middle hole 1 -2 forms a stepped hole structure, one end of the compression spring 3 is arranged on the cap surface of the connecting bolt 2, the other end of the compression spring 3 is connected with the copper contact column 4, the connecting bolt 2 is inserted into the middle hole 1-2, and the connection The bolt rod of the bolt 2 extends into the bolt hole 1-3, and the nut 5 is tightly set on the bolt rod of the connecting bolt 2. The copper contact post 4 is located in the contact hole 1-1, and the contact on the copper contact post 4 The head 4-1 is exposed from the end face of the magnetic steel 1, and the outer surface of the magnetic steel 1 is wrapped with an insulating sheath 6, and an outlet hole 6-1 is opened at the tail end of the insulating sheath 6.
本实施例铜触头柱位于触头孔中，在非工作状态下铜触头柱的端面抵在吸附磁钢的端面内壁上，铜触头柱上的触头从端面的通孔中露出。In this embodiment, the copper contact column is located in the contact hole. In the non-working state, the end surface of the copper contact column is against the inner wall of the end surface of the adsorption magnet, and the contacts on the copper contact column are exposed from the through holes on the end surface.
本实施例磁吸式电气试验线的快速接头利用磁力吸附功能完成保障连接的紧固，利用弹簧的压紧保障接触良好。The quick connector of the magnetic suction type electrical test line in this embodiment utilizes the magnetic force adsorption function to complete the fastening of the guarantee connection, and utilizes the compression of the spring to ensure good contact.
Claims (7)
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| CN108054716A (en) * | 2018-01-05 | 2018-05-18 | 哈尔滨工程大学 | Easy-to-dismount no-welding high-voltage cable joint |
| CN110428953A (en) * | 2019-07-31 | 2019-11-08 | 国网山东省电力公司青岛供电公司 | The electrical test convenient conversion equipment of the dry-type transformer Z-type mode of connection |
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| CN112345442A (en) * | 2020-09-30 | 2021-02-09 | 中核核电运行管理有限公司 | Magnetic attraction type lead joint device |
| CN113030833A (en) * | 2021-04-16 | 2021-06-25 | 国网新疆电力有限公司喀什供电公司 | Mutual inductor detection quick connector |
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| CN111913013A (en) * | 2020-08-11 | 2020-11-10 | 广东电网有限责任公司广州供电局 | Fixing tool for measuring datum point |
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| CN112345442A (en) * | 2020-09-30 | 2021-02-09 | 中核核电运行管理有限公司 | Magnetic attraction type lead joint device |
| CN113030833A (en) * | 2021-04-16 | 2021-06-25 | 国网新疆电力有限公司喀什供电公司 | Mutual inductor detection quick connector |
| CN113030833B (en) * | 2021-04-16 | 2024-01-30 | 国网新疆电力有限公司喀什供电公司 | Transformer detection quick connector |
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