CN217134291U

CN217134291U - Combined high-voltage electromagnetic switch

Info

Publication number: CN217134291U
Application number: CN202220850402.0U
Authority: CN
Inventors: 安留保
Original assignee: Baoding Jiantong Electrical Appliance Manufacturing Co ltd
Current assignee: Baoding Jiantong Electrical Appliance Manufacturing Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-05
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a modular high-pressure electromagnetic switch, including the main part siphunculus, the end cap soon, the tip surrounding pipe, the end cap sets up in the top of main part siphunculus soon, the both sides of main part siphunculus are provided with intubate and sleeve pipe respectively, the bottom of main part siphunculus is provided with the tip surrounding pipe, be provided with solenoid in the tip surrounding pipe, be provided with the feeler lever in the main part siphunculus, the top of feeler lever is provided with the contact, the copper pipe is established to the feeler lever overcoat, the contact is connected through the wire with the copper pipe, the both sides of copper pipe and the one end threaded connection of conductive connecting rod, conductive connecting rod's the other end inserts intubate or the intraductal, conductive connecting rod is connected with conductive spring, the bottom of feeler lever is provided with the magnetic rod, the magnetic rod stretches into in the solenoid along the axial. The utility model adopts the above structure a modular high-pressure electromagnetic switch can make a plurality of high-voltage line form chain, realizes through the switching of the integrative control high voltage circuit of low voltage circuit break-make, and is safe high-efficient.

Description

Combined high-voltage electromagnetic switch

Technical Field

The utility model belongs to the technical field of the high tension switchgear technique and specifically relates to a modular high-pressure electromagnetic switch is related to.

Background

With the rapid development of power networks and electricity utilities, higher requirements are also put forward on the safe operation of the power networks and the electricity utilities; particularly for insulating oil high-voltage equipment, safe operation and safe maintenance are inevitably paid more and more attention to the power system. During the operation of the insulating oil high-voltage equipment, the main insulating medium insulating oil is decomposed to generate impurities under the action of overheating, electric arc and electric spark, meanwhile, trace moisture permeates due to poor sealing performance of the equipment, and coils, high-voltage accessories and the like of the high-voltage equipment such as a transformer, a mutual inductor and the like are likely to release or generate various impurities to influence the insulating capacity of the oil during the operation, so that the probability of malignant accidents of the insulating oil high-voltage equipment is greatly increased. Therefore, the high-voltage equipment of the insulating oil in new operation or running needs to regularly detect various related indexes of the oil, and the voltage resistance detection of the insulating oil is the most intuitive index reflecting the insulating capability of the insulating oil.

The insulating oil withstand voltage tester is a common instrument for detecting the insulating withstand voltage value of oil, and the basic principle of the detection is that high voltage is generated through a digital circuit and an analog circuit, the high voltage is applied between oil samples to be tested through a conductor and an electrode, and if a breakdown phenomenon occurs in the process that the high voltage gradually rises, the breakdown voltage value is recorded. Because the oil sample needs to be subjected to multiple breakdown tests to obtain real data, the high-voltage circuit needs to be started for multiple times, the on-off of the high-voltage circuit brings inevitable safety problems, and how to safely start the high-voltage circuit becomes one of the key technical points in the test process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular high-pressure electromagnetic switch can pass through the switching of the integrative control high voltage circuit of low voltage circuit break-make to make a plurality of high-voltage line form chain, it is safe high-efficient.

In order to achieve the purpose, the utility model provides a combined high-voltage electromagnetic switch, which comprises a main body through pipe, a rotary plug and an end enclosing pipe, the rotating plug is arranged at the top end of the main body through pipe, the two sides of the main body through pipe are respectively provided with an insertion pipe and a sleeve pipe, the bottom of the main body through pipe is provided with an end part surrounding pipe, an electromagnetic coil is arranged in the end part surrounding pipe, a contact rod is arranged in the through pipe of the main body, a contact is arranged at the top of the contact rod, a copper pipe is sleeved outside the contact rod, the contact is connected with the copper pipe through a lead, two sides of the copper pipe are in threaded connection with one end of the conductive connecting rod, the other end of the conductive connecting rod is inserted into the cannula or the sleeve, the conductive connecting rod is connected with the conductive spring, the bottom of the feeler lever is provided with a magnetic bar which extends into the electromagnetic coil along the axial direction.

Preferably, be provided with the internal thread on the top inner wall of main part siphunculus, be provided with the external screw thread on the outer wall of end cap soon, the main part siphunculus with end cap threaded connection soon, be provided with the sealing rubber ring on the bottom circumference of end cap soon, be provided with contact electrode on the bottom surface of end cap soon, contact electrode upwards is connected with external electrode tip electricity, external electrode tip is located end cap soon's top.

Preferably, be provided with the rod groove in the main part siphunculus, the feeler lever place in the rod inslot, the bottom of main part siphunculus stretches into in the tip surrounding pipe and form the spliced pole, the bottom in rod groove stretches into the 1/2 department of spliced pole, set up the thread groove on the bottom surface of spliced pole, the spliced pole with form the coil groove between the tip surrounding pipe, be provided with coil skeleton in the coil groove, solenoid twines on the coil skeleton, be provided with two electrode joint on coil skeleton's the bottom surface, coil skeleton's bottom surface central authorities still are provided with the fixed orifices, coil skeleton with the spliced pole is through passing the set screw of fixed orifices is connected, set screw with thread groove threaded connection.

Preferably, the middle part of the main body through pipe is provided with a communicating pipe, a communicating groove is formed in the communicating pipe, the copper pipe is arranged in the communicating groove, and insulating oil is injected into the communicating groove and the rod groove.

Preferably, the insertion tube and the sleeve are respectively arranged on two sides of the communicating tube, a spring groove is formed in the insertion tube, a slot is formed in the sleeve, the conductive spring is arranged in the spring groove, the slot and the spring groove are respectively connected with the communicating groove through a transverse connecting tube, the conductive connecting rod is arranged in the transverse connecting tube and is in threaded connection with the transverse connecting tube, and the outer diameter of the insertion tube is matched with the inner diameter of the sleeve.

Preferably, the middle part of main part siphunculus is provided with the bulge loop, the bulge loop with the both sides of main part siphunculus between communicating pipe are provided with the pterygoid lamina respectively, the central authorities of pterygoid lamina set up the through-hole, the bulge loop with communicating pipe reaches all be provided with the strengthening rib between the tip lateral wall, the strengthening rib set up respectively in the front and the back central authorities of main part siphunculus.

Preferably, the insertion pipe, the sleeve, the communicating pipe, the end enclosing pipe, the wing plate, the convex ring and the reinforcing rib are integrally connected with the main body through pipe.

Therefore, the utility model adopts the above structure a modular high-pressure electromagnetic switch is the solenoid power supply through low voltage circuit, makes solenoid arouse magnetic field and promotes the feeler lever motion, and then realizes high voltage circuit's break-make, can realize a plurality of switches through the sleeve pipe and the intubate of both sides and make up.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic view of an internal structure of an embodiment of the combined high-voltage electromagnetic switch of the present invention;

fig. 2 is a schematic external structural diagram of an embodiment of the present invention;

fig. 3 is a schematic side view of an embodiment of the present invention.

Reference numerals

1. A main body through pipe; 11. a rod groove; 12. connecting columns; 13. a wing plate; 14. reinforcing ribs; 15. a convex ring; 16. a thread groove; 2. rotating the plug; 21. an external electrode tip; 22. a contact electrode; 23. sealing the rubber ring; 3. a feeler lever; 31. a contact; 32. a copper pipe; 33. a magnetic bar; 4. an end enclosure tube; 41. a coil slot; 42. a coil bobbin; 43. an electromagnetic coil; 44. an electrode tab; 45. a set screw; 5. a conductive connecting rod; 51. a sleeve; 52. a transverse connecting pipe; 53. a slot; 54. a conductive spring; 55. a spring slot; 56. inserting a tube; 6. a communicating pipe; 61. a communicating groove.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Examples

As shown in the figure, the combined high-voltage electromagnetic switch comprises a main body through pipe 1, a rotary plug 2 and an end enclosing pipe 4.

Internal thread on the top inner wall of main part siphunculus 1 revolves and is provided with the external screw thread on the outer wall of end cap 2, revolves

end cap

2 and 1 threaded connection of main part siphunculus. A sealing rubber ring 23 is arranged on the circumference of the bottom of the screwing head 2, a contact electrode 22 is arranged on the bottom surface of the screwing head 2, the contact electrode 22 is upwards electrically connected with an external electrode tip 21, and the external electrode tip 21 is positioned at the top of the screwing head 2.

The middle part of main body siphunculus 1 is provided with communicating pipe 6, is provided with communicating groove 61 in communicating pipe 6, and intubate 56 and sleeve pipe 51 set up respectively in the both sides of communicating pipe 6. The insertion tube 56 is internally provided with a spring groove 55, the sleeve 51 is internally provided with a slot 53, the slot 53 and the spring groove 55 are respectively connected with a communication groove 61 through a transverse connecting tube 52, and the outer diameter of the insertion tube 56 is matched with the inner diameter of the sleeve 51. The insertion tube 56 of the adjacent high-voltage switch can be inserted into the sleeve 51, so that the combination of the high-voltage switches is realized.

A rod groove 11 is formed in the main body through pipe 1, and insulating oil is injected into the communicating groove 61 and the rod groove 11. The contact rod 3 is placed in the rod groove 11, the contact 31 is arranged at the top of the contact rod 3, the copper pipe 32 is sleeved outside the contact rod 3, the copper pipe 32 is arranged in the communicating groove 61, and the contact 31 is connected with the copper pipe 32 through a lead. Two sides of the copper tube 32 are connected with one end of the conductive connecting rod 5 by screw threads, the other end of the conductive connecting rod 5 is inserted into the insertion tube 56 or the sleeve 51, the conductive connecting rod 5 is connected with the conductive spring 54, and the conductive spring 54 is arranged in the spring groove 55. The conductive connecting rod 5 is disposed inside the cross connecting pipe 52 and is screw-coupled with the cross connecting pipe 52. The other end of the conductive spring 54 is connected to the conductive link 5 of the adjacent high voltage switch. The conductive connecting rod 5 blocks the transverse connecting pipe 52, and the sealing rubber ring 23 of the rotary plug 2 blocks the gap at the top of the main body through pipe 1, so that the insulating oil is sealed in the rod groove 11 and the communicating groove 61, leakage is prevented, and insulation is kept.

The bottom of main part siphunculus 1 is provided with tip lateral 4, and the bottom of main part siphunculus 1 stretches into in tip lateral 4 and forms spliced pole 12, and the bottom of pole groove 11 stretches into 1/2 department of spliced pole 12. A coil groove 41 is formed between the connecting column 12 and the end enclosing tube 4, a coil frame 42 is arranged in the coil groove 41, an electromagnetic coil 43 is wound on the coil frame 42, and two electrode connectors 44 are arranged on the bottom surface of the coil frame 42. The bottom of the feeler lever 3 is provided with a magnetic bar 33, and the magnetic bar 33 axially extends into the ring of the electromagnetic coil 43. When the electromagnetic coil 43 is energized through the electrode connector 44, the electromagnetic coil 43 excites a magnetic field, and the magnetic rod 33 is acted by the magnetic field to drive the feeler lever 3 to move upwards. The contact 31 made of copper material at the top of the contact rod 3 rises to contact with the contact electrode 22 of the plug, the contact electrode 22 is communicated with a circuit through the external electrode head 21, at the moment, the contact 31 is electrified, the copper pipe 32 is also electrified through a lead, and the copper pipe 32 conducts electric power to an adjacent high-voltage switch through the conductive connecting rod 5 and the conductive spring 54. The external electrode tips 21 of the two high-voltage switches are respectively communicated with two poles of a high-voltage power supply, and when the electromagnetic coil 43 is started, a high-voltage loop can be formed.

The bottom surface of the connecting column 12 is provided with a thread groove 16, the center of the bottom surface of the coil framework 42 is also provided with a fixing hole, and a fixing screw 45 penetrates through the fixing hole and is in threaded connection with the thread groove 16 to fix the coil framework 42 and the connecting column 12 together to prevent falling off.

The middle part of main part siphunculus 1 is provided with bulge loop 15, and the both sides of main part siphunculus 1 between bulge loop 15 and communicating pipe 6 are provided with pterygoid lamina 13 respectively, and the central authorities of pterygoid lamina 13 set up the through-hole, and pterygoid lamina 13 and through-hole are convenient for fix whole high voltage switch on the outer wall of electrical apparatus. Reinforcing ribs 14 are arranged between the convex ring 15 and the communicating pipe 6 and between the convex ring and the end surrounding pipe 4, the reinforcing ribs 14 are respectively arranged at the front and the back center of the main body through pipe 1, and the reinforcing ribs 14 can enhance the structural strength and are convenient to hold and move.

Therefore, the utility model adopts the above structure a modular high-pressure electromagnetic switch is the power supply of solenoid 43 through low-voltage circuit, makes solenoid 43 arouse magnetic field and promotes feeler lever 3 motion, and then realizes high-voltage circuit's break-make, can realize that a plurality of switches make up through the sleeve pipe 51 and the intubate 56 of both sides.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. A combined high-voltage electromagnetic switch is characterized in that: including the main part siphunculus, revolve end cap, tip lateral canal, revolve the end cap set up in the top of main part siphunculus, the both sides of main part siphunculus are provided with intubate and sleeve pipe respectively, the bottom of main part siphunculus is provided with the tip lateral canal, be provided with solenoid in the tip lateral canal, be provided with the feeler lever in the main part siphunculus, the top of feeler lever is provided with the contact, the feeler lever overcoat is established the copper pipe, the contact with the copper pipe is connected through the wire, the both sides of copper pipe and the one end threaded connection of conducting link, the other end of conducting link inserts the intubate or in the sleeve pipe, the conducting link is connected with conducting spring, the bottom of feeler lever is provided with the magnetic rod, the magnetic rod stretches into along the axial in the solenoid.

2. A combined high-voltage electromagnetic switch according to claim 1, characterized in that: the improved pipe joint is characterized in that an internal thread is arranged on the inner wall of the top of the main body through pipe, an external thread is arranged on the outer wall of the rotary plug, the main body through pipe is in threaded connection with the rotary plug, a sealing rubber ring is arranged on the circumference of the bottom of the rotary plug, a contact electrode is arranged on the bottom surface of the rotary plug, the contact electrode is upwards electrically connected with an external electrode tip, and the external electrode tip is located at the top of the rotary plug.

3. A combined high-voltage electromagnetic switch according to claim 2, characterized in that: be provided with the rod groove in the main part siphunculus, the feeler lever place in the rod inslot, the bottom of main part siphunculus stretches into in the tip surrounding pipe and form the spliced pole, the bottom in rod groove stretches into the 1/2 department of spliced pole, set up the thread groove on the bottom surface of spliced pole, the spliced pole with form the coil groove between the tip surrounding pipe, be provided with coil skeleton in the coil groove, solenoid twines on the coil skeleton, be provided with two electrode joint on coil skeleton's the bottom surface, coil skeleton's bottom surface central authorities still are provided with the fixed orifices, coil skeleton with the spliced pole is through passing the set screw of fixed orifices is connected, set screw with thread groove threaded connection.

4. A combined high-voltage electromagnetic switch according to claim 3, characterized in that: the middle part of main part siphunculus is provided with communicating pipe, be provided with the intercommunication groove in the communicating pipe, the copper pipe set up in the intercommunication inslot, the intercommunication groove the pole inslot pours into insulating oil.

5. The combined high-voltage electromagnetic switch according to claim 4, characterized in that: the insertion pipe and the sleeve are respectively arranged on two sides of the communicating pipe, a spring groove is formed in the insertion pipe, a slot is formed in the sleeve, the conductive spring is arranged in the spring groove, the slot and the spring groove are respectively connected with the communicating groove through a transverse connecting pipe, the conductive connecting rod is arranged in the transverse connecting pipe and is in threaded connection with the transverse connecting pipe, and the outer diameter of the insertion pipe is matched with the inner diameter of the sleeve.

6. The combined high-voltage electromagnetic switch according to claim 5, characterized in that: the middle part of main part siphunculus is provided with the bulge loop, the bulge loop with the both sides of main part siphunculus between communicating pipe are provided with the pterygoid lamina respectively, the central authorities of pterygoid lamina set up the through-hole, the bulge loop with communicating pipe reaches all be provided with the strengthening rib between the tip lateral wall, the strengthening rib set up respectively in the front and the back central authorities of main part siphunculus.

7. The combined high-voltage electromagnetic switch according to claim 6, characterized in that: the intubate the sleeve pipe, communicating pipe, the tip shroud, the pterygoid lamina, the bulge loop, the strengthening rib with main part siphunculus body coupling.