CN210427743U - Device for monitoring state of isolating switch - Google Patents
Device for monitoring state of isolating switch Download PDFInfo
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- CN210427743U CN210427743U CN201921257372.7U CN201921257372U CN210427743U CN 210427743 U CN210427743 U CN 210427743U CN 201921257372 U CN201921257372 U CN 201921257372U CN 210427743 U CN210427743 U CN 210427743U
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Abstract
The utility model discloses a device for monitoring isolator state, including monitoring contactor body, monitoring contactor body is including the contactor piece that is left and right symmetry setting, and two contactor pieces form the contact finger that presss from both sides tight test isolator, and are provided with high-pressure contact piece between the two, high-pressure contact piece is used for connecting the high-voltage line, and two contactor pieces are the arc structure of upper portion outside lateral buckling, high-pressure contact piece sets up between the arc portion of two contactor pieces, be provided with the low pressure connection frame between the straight line portion of two contactor pieces of high pressure contact piece below, low pressure connection frame joint is on isolator's contact finger, there is the interval between high-pressure contact piece and the low pressure connection frame, and pressure test mechanism is installed respectively in the outside of two contactor piece straight line portions. The utility model discloses be convenient for install, convenient to use, novel structure has good application prospect.
Description
Technical Field
The utility model relates to a isolator detects technical field, concretely relates to a device for monitoring isolator state.
Background
The disconnector is an important component of the power system and is an indispensable part in power applications. The device is mainly used for connecting and disconnecting the circuit. With the progress of society and the improvement of the living standard of people, the requirements on the reliability, the safety and the quality of electric power are higher and higher, the good operation of the isolating switch is a necessary condition for ensuring an electric power system, and the isolating switch has the most common problems that the isolating switch is in poor contact, the contact finger of the isolating switch generates heat and the like to cause serious damage to the isolating switch.
The quantity of present isolator in electric power system is more and more, and the distribution position is wide, and traditional judgement switching on/off state work load is very big, and has great deviation, and unnecessary work is too much, maintains under the state of knowing about moreover, leads to stopping to transmit electricity and gives the resident, and quality of life can not obtain the guarantee. At present, the state monitoring system of the isolating switch in the market has the following defects:
(1) only the temperature can be monitored, and the excellent states of the closing and opening of the isolating switch cannot be monitored;
(2) the installation mode of the state monitoring equipment is too complicated and is not easy to operate, and the surrounding equipment is installed more, so that the closing and opening of the isolating switch is easily influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that current isolator state monitoring system exists. The utility model discloses a device for monitoring isolator state through the monitoring contactor body that the contactor piece that is left and right symmetry setting formed, realizes touching the pressure test that indicates to isolator to touch the pressure that indicates through isolator, control two contactor pieces and the contact of high-pressure contact piece or disconnection, the installation of being convenient for, convenient to use, novel structure, the security is high, has good application prospect.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a device for monitoring the state of an isolating switch comprises a monitoring contactor body, wherein the monitoring contactor body comprises contactor pieces which are symmetrically arranged at the left and the right, two contactor pieces form contact fingers for clamping the isolating switch for testing, a high-voltage contact block is arranged between the two contactor pieces and is used for connecting a high-voltage wire,
the two contactor pieces are of arc structures with the upper parts bent outwards, the high-voltage contact block is arranged between the arc parts of the two contactor pieces, the low-voltage connecting frame is arranged between the straight line parts of the two contactor pieces below the high-voltage contact block and clamped on the contact finger of the isolating switch, and a space is reserved between the high-voltage contact block and the low-voltage connecting frame,
the outer sides of the straight line parts of the two contactor pieces are respectively provided with a pressure testing mechanism which is used for testing the pressure exerted by the contact fingers of the isolating switch on the contactor piece on the corresponding side, the two end parts of the contactor piece are respectively fixed with a clamping plate, the two clamping plates are fixed by a clamping plate fixing bolt which penetrates through the clamping plates,
the outer sides of the pressure testing mechanisms are provided with side fixing plates, and two end portions of each side fixing plate are connected with the side edge of the corresponding clamping plate respectively to protect the pressure testing mechanisms and seal the peripheries of the two contactor pieces.
The utility model provides a device for monitoring isolator state, pressure test mechanism all includes the test base, one side that the test base is close to the contactor piece is equidistant to be provided with a plurality of pressure sensor mounting holes of group, be provided with pressure sensor in the pressure sensor mounting hole, still inlay in the pressure sensor mounting hole and be equipped with the pressure guide pin bushing, the inboard of pressure guide pin bushing is connected with the contactor piece that corresponds the side through wearing the mandrel, it is equipped with locking spring to wear the epaxial cover of mandrel, locking spring's restoring force is used for cliping the low pressure connection frame with contactor piece straight line portion.
In the device for monitoring the state of the isolating switch, the temperature sensor is mounted on the test base above the pressure sensor mounting hole.
In the device for monitoring the state of the isolating switch, the number of the pressure sensor mounting holes on each group of test bases is three.
According to the device for monitoring the state of the isolating switch, the two contactor pieces enable the opening angle between the arc-shaped parts of the two contactor pieces to be changed under the pressure of the contact finger of the isolating switch, so that the two contactor pieces are in contact with or disconnected from the high-voltage contact block.
According to the device for monitoring the state of the isolating switch, the contactor piece and the low-voltage connecting frame are both formed by processing copper conductors.
According to the device for monitoring the state of the disconnecting switch, the clamping plate fixing bolt penetrates through the low-voltage connecting frame, the two end parts of the clamping plate fixing bolt are fixedly connected with the clamping plates on the corresponding sides respectively, and the end parts of the clamping plate fixing bolt are fixed on the clamping plates on the corresponding sides through the fixing nuts.
The utility model has the advantages that: the utility model discloses a device for monitoring isolator state, through being left and right the monitoring contactor body that the contactor piece that the symmetry set up formed, realize touching the pressure test that indicates to isolator, and touch the pressure that indicates through isolator, control two contactor pieces and the contact of high-pressure contact piece or disconnection, under the condition to isolator state monitoring state test, realize the temperature test to the contact position, convenient and reliable, the function is many, moreover, be convenient for install, high durability and convenient use, and is novel in structure, and the security is high, has good application prospect.
Drawings
Fig. 1 is an exploded view of the device for monitoring the state of the disconnector of the invention;
fig. 2 is an assembled schematic view of the device for monitoring the state of the disconnector of the invention;
fig. 3 is a bottom view of the battery rear cover of the present invention.
The designations in the drawings have the following meanings:
1: monitoring the contactor body; 101: a contactor piece; 2: a high voltage contact block; 202: a rear cover probe; 3: a low-voltage connection frame; 4: a contact finger; 5: a pressure testing mechanism; 501: a test base; 6: a splint; 7: a clamp plate fixing bolt; 8: a side fixing plate; 9: a pressure sensor mounting hole; 10: fixing a nut; 11: a pressure guide sleeve; 12: penetrating a mandrel; 13: and locking the spring.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in figures 1-3, the device for monitoring the state of the isolating switch of the utility model comprises a monitoring contactor body 1, the monitoring contactor body 1 comprises contactor pieces 101 which are symmetrically arranged at the left and right, two contactor pieces 101 form contact fingers for clamping the isolating switch to be tested, and a high-voltage contact block 2 is arranged between the two contactor pieces, the high-voltage contact block 2 is used for connecting a high-voltage wire to realize the connection of high-voltage on-off,
the two contactor pieces 101 are of arc-shaped structures with the upper parts bent outwards, the high-voltage contact block 2 is arranged between the arc-shaped parts of the two contactor pieces 101, the low-voltage connecting frame 3 is arranged between the straight line parts of the two contactor pieces 101 below the high-voltage contact block 2, the low-voltage connecting frame 3 is clamped on the contact finger 4 of the isolating switch, and a space is reserved between the high-voltage contact block 2 and the low-voltage connecting frame 3,
the outer sides of the straight line parts of the two contactor pieces 101 are respectively provided with a pressure testing mechanism 5, the pressure testing mechanism 5 is used for testing the pressure exerted by the contact finger 4 of the isolating switch on the contactor piece 101 at the corresponding side so as to judge the opening and closing state of the isolating switch, the two end parts of the contactor piece 101 are respectively fixed with a clamping plate 6, the two clamping plates 6 are fixed through a clamping plate fixing bolt 7 penetrating through the clamping plate,
the outside of pressure test mechanism 5 all is provided with side fixed plate 8, the both ends of side fixed plate 8 are connected with the side of the splint 6 that corresponds the side respectively, with pressure test mechanism 5 protection to make the periphery of two contactor pieces 101 sealed, guarantee isolator state's monitoring devices's reliability, do not receive external environment's interference.
Preferably, the pressure testing mechanisms 5 each include a testing base 501, a plurality of sets of pressure sensor mounting holes 9 are arranged at equal intervals on one side of the testing base 501 close to the contactor piece 101, pressure sensors are arranged in the pressure sensor mounting holes 9, a pressure guide sleeve 11 is further embedded in the pressure sensor mounting holes 9, the inner side of the pressure guide sleeve 11 is connected with the contactor piece 101 on the corresponding side through a penetrating shaft 12, a locking spring 13 is sleeved on the penetrating shaft 12, the restoring force of the locking spring 13 is used for clamping the linear part of the contactor piece 101 to the low-voltage connection frame 3, in the process that the isolating switch changes the switch-on or the switch-off, the contact fingers 4 apply different pressures to the low-voltage connection frame 3, and the pressures are transmitted to the pressure sensors in the pressure testing mechanism 5 through the contactor piece 101, so that the pressure can be measured according to the magnitude of the pressure sensor reaction, the working state of the current isolating switch is judged, so that the method is convenient and quick, and the testing precision is high; when the isolating switch is switched off, the contact finger 4 of the isolating switch can apply pressure to the low-voltage connecting frame 3 to increase, so that the distance between the linear parts of the two contactor pieces 101 is shortened, the opening angle between the arc parts of the two contactor pieces 101 is increased, the disconnection of the two contactor pieces 101 and the high-voltage contact block 2 is met, the high-voltage power-off of the monitoring device of the isolating switch state is realized, and the safety performance is increased.
Preferably, a temperature sensor is mounted on the test base 501 above the pressure sensor mounting hole 9, so that the temperature of the contactor piece 101 can be tested while the pressure is tested, and when the temperature is abnormal, an audible and visual alarm can be realized to remind a maintenance worker to perform field maintenance.
Preferably, the number of the pressure sensor mounting holes 9 on each group of test base 501 is three, which can accurately reflect the pressure change of the contact finger 4 of the side disconnecting switch in the switching process, so as to improve the test accuracy.
Preferably, the contactor piece 101 and the low-voltage connecting frame 3 are both made of copper conductors, and have good conductivity.
Preferably, splint fixing bolt 7 runs through low pressure connection frame 3, and both ends respectively with the splint 6 fixed connection that corresponds the side, 7 tip of splint fixing bolt pass through fixation nut 10 to be fixed on the splint 6 that corresponds the side, and the installation of being convenient for of two splint 6 improves the efficiency of installation or dismantlement.
To sum up, the utility model discloses a device for monitoring isolator state, the monitoring contactor body that the contactor piece formed through being left and right symmetry setting realizes touching the pressure test that indicates to isolator to touch the pressure that indicates through isolator, control the contact of two contactor pieces and high-pressure contact piece or break off, under the condition to isolator state monitoring state test, realize the temperature test to the contact position, convenient and reliable, the function is many, moreover, be convenient for install, high durability and convenient use, novel structure, the security is high, good application prospect has.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An apparatus for monitoring the state of a disconnector, characterized in that: comprises a monitoring contactor body (1), the monitoring contactor body (1) comprises contactor pieces (101) which are symmetrically arranged at the left and the right, the two contactor pieces (101) form contact fingers for clamping a test isolating switch, a high-voltage contact block (2) is arranged between the two contactor pieces, the high-voltage contact block (2) is used for connecting a high-voltage wire,
the two contactor pieces (101) are of arc-shaped structures with the upper parts bent outwards, the high-voltage contact block (2) is arranged between arc-shaped parts of the two contactor pieces (101), the low-voltage connecting frame (3) is arranged between straight line parts of the two contactor pieces (101) below the high-voltage contact block (2), the low-voltage connecting frame (3) is clamped on the contact finger (4) of the isolating switch, and a space exists between the high-voltage contact block (2) and the low-voltage connecting frame (3),
the outer sides of the straight line parts of the two contactor pieces (101) are respectively provided with a pressure testing mechanism (5), the pressure testing mechanisms (5) are used for testing the pressure applied to the contactor pieces (101) on the corresponding sides by the contact fingers (4) of the isolating switch, the two ends of each contactor piece (101) are respectively fixed with a clamping plate (6), the two clamping plates (6) are fixed through a clamping plate fixing bolt (7) penetrating through the clamping plates,
the outer side of the pressure testing mechanism (5) is provided with a side fixing plate (8), two end parts of the side fixing plate (8) are respectively connected with the side edges of the clamping plates (6) on the corresponding sides, the pressure testing mechanism (5) is protected, and the peripheries of the two contactor pieces (101) are sealed.
2. An apparatus for monitoring the condition of a disconnector according to claim 1, characterized in that: pressure test mechanism (5) all include test base (501), one side that test base (501) are close to contactor piece (101) is equidistant to be provided with a plurality of groups pressure sensor mounting hole (9), be provided with pressure sensor in pressure sensor mounting hole (9), still inlay in pressure sensor mounting hole (9) and be equipped with pressure guide pin bushing (11), the inboard of pressure guide pin bushing (11) is connected with contactor piece (101) that correspond the side through wearing mandrel (12), it is equipped with locking spring (13) to wear the cover on mandrel (12), the restoring force of locking spring (13) is used for cliping low pressure connection frame (3) with contactor piece (101) straight line portion.
3. An apparatus for monitoring the condition of a disconnector according to claim 2, characterized in that: and a temperature sensor is arranged on the test base (501) above the pressure sensor mounting hole (9).
4. A device for monitoring the condition of a disconnector according to claim 3, characterized in that: the number of the pressure sensor mounting holes (9) on each group of test base (501) is three.
5. An apparatus for monitoring the condition of a disconnector according to claim 1, characterized in that: the two contactor pieces (101) change the opening angle between the arc parts of the two contactor pieces (101) under the pressure of the contact finger (4) of the isolating switch, so that the two contactor pieces (101) are in contact with or disconnected from the high-voltage contact block (2).
6. An apparatus for monitoring the condition of a disconnector according to claim 1, characterized in that: the contactor piece (101) and the low-voltage connecting frame (3) are both formed by processing copper conductors.
7. An apparatus for monitoring the condition of a disconnector according to claim 1, characterized in that: the clamp plate fixing bolts (7) penetrate through the low-voltage connecting frame (3), the two end portions of the clamp plate fixing bolts are fixedly connected with the clamp plates (6) on the corresponding sides respectively, and the end portions of the clamp plate fixing bolts (7) are fixed on the clamp plates (6) on the corresponding sides through fixing nuts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921257372.7U CN210427743U (en) | 2019-08-06 | 2019-08-06 | Device for monitoring state of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921257372.7U CN210427743U (en) | 2019-08-06 | 2019-08-06 | Device for monitoring state of isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN210427743U true CN210427743U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921257372.7U Active CN210427743U (en) | 2019-08-06 | 2019-08-06 | Device for monitoring state of isolating switch |
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| CN (1) | CN210427743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116893339A (en) * | 2023-08-10 | 2023-10-17 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
-
2019
- 2019-08-06 CN CN201921257372.7U patent/CN210427743U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116893339A (en) * | 2023-08-10 | 2023-10-17 | 湘南学院 | High-voltage isolating switch fault diagnosis device |
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