CN115046666A - Clamp type isolating switch clamping force measuring device and measuring method - Google Patents
Clamp type isolating switch clamping force measuring device and measuring method Download PDFInfo
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- CN115046666A CN115046666A CN202210615709.7A CN202210615709A CN115046666A CN 115046666 A CN115046666 A CN 115046666A CN 202210615709 A CN202210615709 A CN 202210615709A CN 115046666 A CN115046666 A CN 115046666A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The invention discloses a clamp force measuring device of a clamp type isolating switch, which comprises: the pressure acquisition module transmitting device comprises a tester pressing block and a pressure sensor, the pressure sensor is arranged in the measuring rod main body and at least protrudes out of one side face of the measuring rod main body, the tester pressing block is arranged on the surface of the measuring rod main body and is mutually supported with the protruding part of the pressure sensor, and the pressure sensor is extruded through deformation of the tester pressing block; the pressure detection device is connected with the pressure acquisition module transmitting device and used for receiving the pressure transmitted by the pressure acquisition module transmitting device and measuring the pressure; and the power transmission device is connected with the pressure detection device and is used for conveying the power source by the pressure detection device, so that the power transmission device has the effect of convenient operation.
Description
Technical Field
The invention relates to the technical field of high-voltage switches, in particular to a clamp-type isolating switch clamping force measuring device, and further comprises a measuring method applied to the clamp-type isolating switch clamping force measuring device.
Background
With the rapid development of power systems, requirements for the safety, reliability and performance of electrical switching apparatuses in power grids are continuously improved. The outdoor clamp type isolating switch is completely uncovered and exposed in the air, directly bears wind and rain, and is changed in four seasons, the contact part of the contact finger of the contact is more easily corroded by rainwater and dust, the contact part is promoted to generate heat in a large amount due to poor contact caused by surface oxidation, the condition is worse, the contact finger spring is overheated, annealed and failed, the clamping force is insufficient, and accidents are caused. Because the outdoor clamp type isolating switch is in a high-altitude state, the clamp force of the outdoor clamp type isolating switch is difficult to test, and troubles are brought to field personnel, so that the clamp force measuring device for the clamp type isolating switch is novel in structure, convenient to install and accurate in measured data.
Disclosure of Invention
The invention provides a clamping force measuring device for a pincer-clamp type isolating switch, which solves the technical problems that in the prior art, an outdoor pincer-clamp type isolating switch is exposed in the air completely without being covered, directly bears wind and rain, and is changed in four seasons, the contact part of a contact finger is more easily corroded by rainwater and dust, the contact part is heated greatly due to poor contact caused by surface oxidation, the contact finger spring is overheated, annealed and failed, the clamping force is insufficient, accidents are caused, and the outdoor pincer-clamp type isolating switch is in a high-altitude state, so that the clamping force test of the outdoor pincer-clamp type isolating switch is difficult, and troubles are brought to field personnel.
According to one aspect of the present invention, there is provided a clamp force measuring device for a clamp-type disconnector, comprising:
the pressure acquisition module transmitting device 1 comprises a tester pressing block 7 and a pressure sensor 8, the pressure sensor 8 is arranged in the measuring rod main body 10 and at least protrudes out of one side face of the measuring rod main body 10, the tester pressing block 7 is arranged on the surface of the measuring rod main body 10 and is mutually abutted with a protruding part of the pressure sensor 8, and the pressure sensor 8 is extruded by deformation of the tester pressing block 7; the pressure detection device is connected with the pressure acquisition module transmitting device 1 and is used for receiving the pressure transmitted by the pressure acquisition module transmitting device and measuring the pressure; and the power transmission device is connected with the pressure detection device and is used for conveying the power source by the pressure detection device.
Further, the measuring rod main body 10 comprises a tester pressure measuring block 3 which is spliced relatively, a groove is formed in the tester pressure measuring block 3 in a concave mode, the pressure sensor 8 is contained in the groove and protrudes out of the side face of the tester pressure measuring block 3, the tester pressure measuring block 7 is arranged on the surface of the tester pressure measuring block 3 and is abutted against the protruding portion of the pressure sensor 8, and the pressure acquisition module transmitting device 1 is arranged at the end portion of the measuring rod main body 10.
Further, the pressure detection device comprises a signal receiving device and a data processing system, the signal receiving device is used for receiving the pressure signal transmitted by the pressure sensor 8, and the signal receiving device is connected with the data processing system, transmits the pressure signal transmitted by the pressure sensor 8 and converts the pressure signal into a stable value of the clamping force.
Further, a fastening device is arranged on the pressure measuring block 3 of the tester, and the fastening device is connected with the pressure sensor 8 and used for fixing the pressure sensor 8.
Further, the power transmission device comprises a cable and a power supply, the power supply is arranged at the end of the measuring rod main body 10, and the cable is connected with the power supply and the pressure sensor 8.
Further, a pressing device is arranged on the measuring rod main body 10 and comprises a cable pressing plate 9, and the cable pressing plate 9 is used for pressing and fixing the cable.
Further, a side cover plate 4 is disposed on the measuring stick main body 10, and the side cover plate 4 is used for fixing a power supply.
The invention also discloses a measuring method, which is applied to the clamp force measuring device of the clamp type isolating switch;
step 1: the input end of the measuring device acquires the clamping force;
step 2: converting the data into computer identification language through A/D conversion, pulse shaping and decoding;
and step 3: and processing the data through the instrument main control unit, and checking and storing the data.
The invention has the following beneficial effects:
the clamp force measuring device of the clamp type isolating switch is characterized in that 4 pressure sensor placing grooves are formed in the inner side of a main body part of a hand-held rod of a tester, and a cable is arranged in the middle and fixed by a cable pressing plate; but the portable power source is connected to cable one end, and it covers has power switch button, power indicator, embeds circuit panel, has circuit and power protection configuration, and the cable other end connects pressure acquisition module emitter, and the tester piezometer piece passes through the round pin axle and links to each other with the main part, with pressure sensor embedding wherein, effectively avoids it to receive external factor to damage, and the tester briquetting passes through the screw with the piezometer piece and links to each other, if there is the damage easy change. The diameter of the clamp type isolating switch acts on the clamp type isolating switch, the pressure measuring block is clamped, the internal clamping force sensor is extruded, related signals acquired by stress of the pressure sensor are transmitted to the clamping force signal receiving and measuring device through a wireless line, the pressure signals acquired by the processing system are converted into single chip microcomputer signals through an analog-digital converter, and a stable value of contact clamping force of the isolating switch after closing is measured; and the diagnostic system compares the value with a standard value of the product of the model, and judges whether the clamping force of the product is qualified.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a flow chart of a measurement method of the present invention.
Illustration of the drawings:
1. a pressure acquisition module transmitting device; 2. a tester pin shaft; 3. the tester tests the briquetting; 4. a side cover plate; 5. a circuit cover plate; 6. a circuit panel; 7. pressing a block by the tester; 8. a pressure sensor; 9. a cable pressing plate; 10. the rod body is measured.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Example 1
As shown in fig. 1 and 2, fig. 3 shows, this embodiment discloses a clamp-on isolator clamp force measuring device 10, including pressure acquisition module emitter 1, pressure detection device, power transmission device and measurement stick main part 10, when testing the isolator clamp force, collect and transmit the pressure that pressure sensor received to pressure detection device department through pressure acquisition module emitter 1 and carry out the measurement of pressure, be provided with power transmission device on measurement stick main part 10, thereby carry the power supply to pressure detection device through power transmission device and carry out the detection of pressure value, measurement stick sets up acquisition module emitter 1, pressure detection device, power transmission device and measurement stick main part 10 are split type setting.
As shown in fig. 1, fig. 2, and fig. 3, the pressure acquisition module emitting device 1 includes a pressure sensor 8, the pressure sensor 8 is disposed near an end of the measuring rod main body 10, and the pressure sensor 8 is used for receiving pressure transmitted from the outside (a tester press block) and conveying the pressure. By providing the pressure sensor 8 on the measuring rod main body 10, the external pressure is collected and transmitted by the pressure sensor 8. Be provided with the recess in the main part of measuring the stick, install pressure sensor 8 in the recess, through the recess to pressure sensor 8's fixed prize pressure sensor 8 stable installation carry out pressure on measuring stick main part 10 worth survey and the transmission.
Further, the measuring rod main body 10 comprises a tester pressure measuring block 3 which is spliced relatively, a groove is formed in the tester pressure measuring block 3 in a concave mode, the pressure sensor 8 is contained in the groove and protrudes out of the side face of the tester pressure measuring block 3, the tester pressure measuring block 7 is arranged on the surface of the tester pressure measuring block 3 and is abutted against the protruding portion of the pressure sensor 8, and the pressure acquisition module transmitting device 1 is arranged at the end portion of the measuring rod main body 10.
As shown in fig. 1, 2, and 3, the pressure detecting device includes a signal receiving device and a data processing system, the signal receiving device is configured to receive the pressure signal transmitted by the pressure sensor 8, the signal receiving device is connected to the data processing system and transmits the pressure signal transmitted by the pressure sensor 8 and converts the pressure signal into a stable value of the clamping force, the signal receiving device includes a signal receiver, and the signal receiver and the data processing system interpret the received pressure value signal and form visual data for displaying.
As shown in fig. 1, 2, and 3, the measuring rod body 10 is provided with a fastening device for fixing the pressure sensor 8 to the measuring rod body 10. Specifically, a fastening device is arranged on the pressure measuring block (3) of the tester and connected with the pressure sensor (8) and used for fixing the pressure sensor (8). Optionally, the fastening device adopts a pin shaft, the two tester pressure measuring blocks are assembled relatively and connected through the pin shaft, four grooves are concavely arranged on the tester pressure measuring block (3), the pressure sensors are arranged in one-to-one correspondence with the grooves, and the pressure sensors are arranged in the two relatively-assembled grooves. . Through setting up tester round pin axle 2 on measuring stick main part 10, carry out fixed pressure sensor 8 through tester round pin axle 2 on measuring stick main part 10, fix pressure sensor 8 on measuring stick main part 10 under the effect of tester side briquetting and tester briquetting 7, and imbed pressure sensor 8 on measuring stick main part 10 through tester pressure measurement piece 3 and tester briquetting 7, with pressure sensor 8 stable mounting on measuring stick main part 10.
As shown in fig. 1, 2 and 3, the power transmission device includes a cable and a power source, the power source is disposed at an end of the measuring stick main body 10, and the power source is disposed opposite to the pressure sensor 8. Power transmission device includes cable conductor and power, and the power sets up in the tip of measuring excellent main part 10, and cable conductor connects power and pressure sensor 8 are provided with closing device on the measuring excellent main part 10, and closing device includes cable clamp 9, and cable clamp 9 is used for compressing tightly fixedly to the cable conductor, is provided with side cover plate 4 on the measuring excellent main part 10, and side cover plate 4 is used for fixing the power.
The inner side of the measuring rod main body is provided with 4 pressure sensor placing grooves, and a cable outlet line is arranged in the middle and is fixed by a cable pressing plate; one end of the cable is connected with the movable power supply, a power switch button, a power indicator lamp and a built-in circuit panel are covered on the movable power supply, a circuit and a power supply protection configuration are arranged, the other end of the cable is connected with the pressure acquisition module sending device, the tester pressure measuring block is connected with the main body through a pin shaft, the pressure sensor is embedded into the main body, and the pressure sensor is effectively prevented from being damaged by external factors. The tester pressing block is connected with the pressure measuring block through screws, and is easy to replace if damaged. The diameter of the clamp-type isolating switch acts on the clamp-type isolating switch, a pressure measuring block is clamped and an internal clamping force sensor is squeezed as shown in fig. 2, related signals acquired by stress of the pressure sensor are transmitted to a clamping force signal receiving and measuring device through a wireless line, the pressure signals acquired by a processing system are converted into single chip microcomputer signals through analog-digital conversion, and a stable value of contact clamping force of the isolating switch after closing is measured; and the diagnostic system compares the value with a standard value of the product of the model, and judges whether the clamping force of the product is qualified.
The working principle of the clamp force measuring device of the clamp type isolating switch of the embodiment is as follows: the inner side of the main body part of the hand-held rod of the tester is provided with 4 pressure sensor 8 placing grooves, and a cable outlet line is arranged in the middle and is fixed by a cable pressing plate 9; but the portable power source is connected to cable one end, and it covers has power switch button, power indicator, and built-in circuit panel 6 has circuit and power protection configuration, and the cable other end connects pressure acquisition module emitter 1, and tester briquetting 3 links to each other with the main part through the round pin axle, imbeds pressure sensor 8 wherein, effectively avoids it to receive the external factor to damage, and tester briquetting 7 passes through the screw with the piezometer piece and links to each other, if there is the damage easily to change. The diameter of the clamp type isolating switch acts on the clamp type isolating switch, the pressure measuring block is clamped, the internal clamping force sensor is extruded, related signals acquired by the stress of the pressure sensor 8 are transmitted to the clamping force signal receiving and measuring device through a wireless line, the pressure signals acquired by the processing system are converted into single chip microcomputer signals through an analog-digital converter, and the stable value of the contact clamping force of the isolating switch after the isolating switch is switched on is measured; and the diagnostic system compares the value with a standard value of the product of the model, and judges whether the clamping force of the product is qualified.
Example 2
The difference of this embodiment with embodiment 1 lies in that fastener includes the clamp, sets up pressure sensor 8 on measuring excellent main part 10 through the clamp, binds pressure sensor 8 through the clamp to in setting up the recess on measuring excellent main part 10 with pressure sensor 8, fix a position pressure sensor 8 through the clamp, guaranteed that pressure sensor 8 is stably fixed on measuring excellent main part 10.
Referring to fig. 4, the present embodiment further discloses a measurement method, including:
step 1: the input end of the instrument collects the clamping force;
step 2: converting the data into computer identification language through A/D conversion, pulse shaping and decoding;
and step 3: and processing the data through the instrument main control unit, and checking and storing the data.
Clamping force signal reception measuring device detects isolator clamp force size to analysis, judgement, diagnosis, overhaul and the design provides reliable foundation for isolator, measuring device characterized in that: the input end of the instrument can collect the clamping force, the clamping force is converted into a computer recognition language through A/D conversion, pulse shaping and decoding, data is processed through the instrument main control unit, and the data is checked and stored. The operation mode is simple and quick, and the device has the advantages of wide application range, high stability and comprehensive functions.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a clamp formula isolator clamp force measuring device which characterized in that: the method comprises the following steps:
a measuring stick main body (10), a pressure acquisition module transmitting device (1) arranged on the measuring stick main body (10) and a power supply device used for supplying power to the pressure acquisition module transmitting device (1),
the pressure acquisition module transmitting device (1) comprises a tester pressing block (7) and a pressure sensor (8), the pressure sensor (8) is arranged in the measuring rod main body (10) and at least protrudes out of one side face of the measuring rod main body (10), the tester pressing block (7) is arranged on the surface of the measuring rod main body (10) and is abutted against the protruding part of the pressure sensor (8), and the pressure sensor (8) is extruded through deformation of the tester pressing block (7);
the pressure detection device is connected with the pressure acquisition module transmitting device (1) and is used for receiving the pressure transmitted by the pressure acquisition module transmitting device and measuring the pressure;
and the power transmission device is connected with the pressure detection device and is used for conveying the power source by the pressure detection device.
2. The device of claim 1, wherein the device comprises: the measuring rod main body (10) comprises tester pressure measuring blocks (3) which are spliced oppositely, grooves are concavely formed in the tester pressure measuring blocks (3), the pressure sensors (8) are accommodated in the grooves and protrude out of the side faces of the tester pressure measuring blocks (3), the tester pressure measuring blocks (7) are arranged on the surfaces of the tester pressure measuring blocks (3) and are mutually abutted with the protruding parts of the pressure sensors (8),
the pressure acquisition module transmitting device (1) is arranged at the end part of the measuring rod main body (10).
3. The device for measuring the clamping force of the pincer-type disconnecting switch according to claim 2, wherein: the pressure detection device comprises a signal receiving device and a data processing system, the signal receiving device is used for receiving a pressure signal transmitted by the pressure sensor (8), and the signal receiving device is connected with the data processing system, transmits the pressure signal transmitted by the pressure sensor (8) and converts the pressure signal into a stable value of the clamping force.
4. The device for measuring the clamping force of the pincer-type disconnecting switch according to claim 2, wherein: and a fastening device is arranged on the pressure measuring block (3) of the tester and is connected with the pressure sensor (8) and used for fixing the pressure sensor (8).
5. The device for measuring the clamping force of the pincer-type disconnecting switch according to claim 4, wherein: the power transmission device comprises a cable and a power supply, the power supply is arranged at the end part of the measuring rod main body (10), and the cable is connected with the power supply and the pressure sensor (8).
6. The device of claim 5, wherein the clamp force measuring device comprises: the cable pressing device is characterized in that a pressing device is arranged on the measuring rod main body (10), the pressing device comprises a cable pressing plate (9), and the cable pressing plate (9) is used for pressing and fixing the cable.
7. The device for measuring the clamping force of the pincer-type disconnecting switch according to claim 4, wherein: the measuring rod main body (10) is provided with a side cover plate (4), and the side cover plate (4) is used for fixing the power supply.
8. A method of measurement, characterized by: the clamp force measuring device applied to the clamp-type disconnecting switch of any one of claims 1 to 7;
step 1: the input end of the measuring device collects the clamping force;
step 2: converting the data into computer identification language through A/D conversion, pulse shaping and decoding;
and 3, step 3: and processing the data through the instrument main control unit, and checking and storing the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210615709.7A CN115046666A (en) | 2022-05-31 | 2022-05-31 | Clamp type isolating switch clamping force measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210615709.7A CN115046666A (en) | 2022-05-31 | 2022-05-31 | Clamp type isolating switch clamping force measuring device and measuring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115046666A true CN115046666A (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210615709.7A Pending CN115046666A (en) | 2022-05-31 | 2022-05-31 | Clamp type isolating switch clamping force measuring device and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115046666A (en) |
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2022
- 2022-05-31 CN CN202210615709.7A patent/CN115046666A/en active Pending
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