CN108387439B - Seal test machine for electric energy meter - Google Patents
Seal test machine for electric energy meter Download PDFInfo
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- CN108387439B CN108387439B CN201810178946.5A CN201810178946A CN108387439B CN 108387439 B CN108387439 B CN 108387439B CN 201810178946 A CN201810178946 A CN 201810178946A CN 108387439 B CN108387439 B CN 108387439B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention relates to a detection device of an electric energy meter, in particular to a seal test machine of the electric energy meter, which solves the problem that the test equipment for testing the strength, the damage, the sealing force and the unsealing force of the seal of a new electric energy meter is lacked at present, and adopts the following scheme: including host PC, next test cabinet machine, cabinet body upper portion is equipped with the industrial computer, and the middle part workspace is equipped with the mounting bracket, is equipped with four servo electric jar on the mounting bracket to correspond and install anchor clamps. The sealing force, the unsealing force, the destructive force and the reliability of the buckle type seal and the threading type seal are respectively tested. The advantages are that: the test is accurately simulated, the whole test process is safe and reliable, the data is accurate, the graph can be displayed, the device runs stably, the test efficiency is high, and the quality inspection of the seal product is powerfully guaranteed.
Description
Technical Field
The invention relates to a detection device of an electric energy meter, in particular to a seal test machine of the electric energy meter.
Background
At present, a large amount of old lead seals are still used on a metering device, the lead seals are easy to copy and open, and under general conditions, the authenticity of the lead seals and whether the lead seals are illegally changed by others in the use process are difficult to distinguish; the old lead sealing only loads very limited information data by a sealing clamp jaw, an electric power department cannot perform asset management on the old lead sealing, and the lead sealing is in a relatively lagged state in the aspects of electricity utilization management and electricity larceny prevention technology; the problem of heavy metal pollution caused by old lead sealing is a problem which cannot be ignored at present when the environmental protection consciousness is continuously improved; meanwhile, as the last link of the automatic assembly line verification system of the intelligent electric energy meter, the efficiency and the success rate of the sealing and sealing system are very critical, and the old lead sealing is difficult to realize.
In order to overcome the defects of the old lead seal and improve the sealing efficiency, a series of novel electric energy metering seals, such as a buckle type seal, a threading type all-plastic seal and the like, appear in recent years, and the seals are more and more applied and are gradually replacing the old lead seal. In order to standardize the use and management of electric energy metering seals by electric power enterprises, in 2013, a national power grid company issues an enterprise standard Q/GDW 11009 plus 2013 electric energy metering seal technical specification, the electric energy metering seals are systematically classified for the first time, 9 test item requirements are provided, namely structure and dimension inspection, appearance inspection, bar code quality detection, strength test, destructive test, sealing force and unsealing force test, safety test, radio frequency technology test and climate influence test, wherein the structure and dimension inspection, the appearance inspection, the bar code quality detection, the safety test, the radio frequency technology test and the like are carried out by visual inspection or mature equipment such as a caliper, a bar code detector, a spectrometer and the like, and the three items of the strength test, the destructive test, the sealing force and the unsealing force test are newly proposed concepts, no general purpose device is currently available. This application has then designed one kind and can carry out intensity test, destructive test, add sealing force and unseal the power test to the comparatively extensively buckle formula seal and the threading formula seal that adopt at present to the electric energy meter seal test machine of output test result.
Disclosure of Invention
The invention solves the problem that the existing electric energy meter seal testing equipment for testing the strength, the damage, the sealing force and the unsealing force of the newly-emerging electric energy meter seal is lacked, and provides the electric energy meter seal testing machine which can automatically test the snap-on seal and the threading type all-plastic seal and output the test data.
The invention is realized by the following technical scheme: the electric energy meter seal testing machine comprises an upper PC and a lower test cabinet, wherein the lower test cabinet comprises a cabinet body, the upper part of the cabinet body is provided with an industrial personal computer connected with the upper PC, and the industrial personal computer comprises an electric control board integrated with an electric control module, a PLC, an air switch and a relay; the testing device is characterized in that a working area is arranged on the front side of the middle part of the cabinet body, a testing mounting frame is vertically arranged in the working area, a first servo electric cylinder, a second servo electric cylinder, a third servo electric cylinder and a fourth servo electric cylinder which are connected with an industrial personal computer and extend downwards are vertically penetrated through the upper part of the testing mounting frame, the ends of the first servo electric cylinder, the second servo electric cylinder, the third servo electric cylinder and the fourth servo electric cylinder are respectively provided with a tension pressure sensor and a testing probe, the lower part of the testing mounting frame is fixedly provided with a first clamp mounting seat, a second clamp mounting seat, a third clamp mounting seat and a fourth clamp mounting seat which are respectively in one-to-one correspondence with the four servo electric cylinders, the first clamp mounting seat, the second clamp mounting seat and the third clamp mounting seat are rectangular blocks with countersunk holes vertically arranged in the centers, and a first clamp, a second clamp and a third clamp are respectively arranged in the rectangular blocks, the first clamp, the second clamp and the third clamp are cylinders spliced by a left clamp and a right clamp, the splicing surfaces are provided with mutually matched convex edges and grooves, the top surfaces of the first clamp, the second clamp and the third clamp are provided with four-stage stepped holes from top to bottom, wherein the third-stage stepped hole diameter is smaller than the second-stage stepped hole diameter, the second-stage stepped hole diameter is smaller than the first-stage stepped hole diameter, the third-stage stepped hole diameter is smaller than the fourth-stage stepped hole diameter, the first-stage stepped hole diameter and the second-stage stepped hole diameter are respectively matched with the outer diameters of an end cover and a buckle end of a buckle type seal, the third-stage stepped holes of the first clamp and the second clamp are internally penetrated with a first buckle type seal clamping column with the outer diameter matched with the third-stage stepped hole, the upper end of the first buckle type seal clamping column is provided with a funnel-shaped convex edge matched with a buckle type seal bayonet, and the circumference of the convex, the lower ends of the ribs are in smooth transition, the lower bottom surfaces of the ribs are supported on second-stage step surfaces of the first clamp and the second clamp, the lower ends of the first buckle type seal clamping columns are flush with the lower bottom surfaces of the first clamp and the second clamp, and the centers of the funnel-shaped ribs at the upper ends of the first buckle type seal clamping columns are provided with avoiding holes; a second buckle type seal clamping column with the outer diameter matched with the third-stage stepped hole penetrates through the third-stage stepped hole of the third clamp, a funnel-shaped convex edge matched with the buckle type seal bayonet is arranged at the upper end head of the second buckle type seal clamping column, a circular inverted transition fillet is arranged at the periphery of the convex edge, the lower end of the convex edge is in smooth transition, the lower bottom surface of the convex edge is supported on the second-stage stepped surface of the third clamp, a screwing nut is screwed at one end, penetrating out of the third-stage stepped hole, of the second buckle type seal clamping column, a push rod penetrates through the center of the second buckle type seal clamping column, the lower end of the push rod extends out of the lower bottom surface of the third clamp and is supported at the bottom of a third clamp mounting seat countersunk hole, the length of the extending end is larger than the axial length of the funnel-shaped convex edge of the upper end head of the second buckle type seal clamping column, and a pressing groove communicated with; the fourth fixture is a fixed block with a square-shaped longitudinal section, an opening which is longitudinally communicated is formed in the upper portion of the fixed block, threading holes which are vertically communicated are symmetrically formed in two sides of the buckle, the width of the opening is smaller than the thickness of the threading seal, the upper opening portion and the lower opening portion of each threading hole are rounded, and the fixture mounting seat are fixed through screws; the test probe of the first servo electric cylinder end is a plastic cylinder with the diameter of 6mm, the test probe of the second servo electric cylinder end is a cross screwdriver with the diameter of 5mm, the test probe of the third servo electric cylinder end is an annular pressure pipe matched with a pressure groove at the outer edge of the upper end of a third clamp, and the test probe of the fourth servo electric cylinder end is a hook; the test piece storage drawer is arranged below the working area in the front of the middle of the cabinet body, the two side faces of the upper portion of the cabinet body are provided with longitudinal slide rails, and transparent observation windows are arranged in the two slide rails.
And programming the upper PC, controlling the industrial personal computer to accurately control the servo electric cylinder, processing test data of the pull pressure sensor, drawing a test curve and displaying the test curve in real time. The servo electric cylinder is a modularized product which integrates a servo motor and a lead screw, converts the rotary motion of the servo motor into linear motion, and simultaneously converts the optimal advantages of the servo motor, namely accurate rotating speed control, accurate rotating speed control and accurate torque control into accurate speed control, accurate position control and accurate thrust control; realize high accuracy linear motion, its characteristics are: closed-loop servo control is carried out, and the control precision reaches 0.01 mm; the thrust is precisely controlled, a pressure sensor is added, and the control precision can reach 1%; the device is easy to be connected with control systems such as a PLC and the like, and high-precision motion control is realized. Low noise, energy saving, cleanness, high rigidity, impact resistance, super long service life and simple operation and maintenance. The electric cylinder can be free of faults in a severe environment, and the protection grade can reach IP 66. Long-term working, high strength, high speed, high-precision positioning, stable movement and low noise. The core of the industrial personal computer is an industrial PLC which adopts a German original import SIEMENS 7-1200 and is internally provided with an Ethernet function, the Ethernet (PROFIBUS NET/PROFIBUS function, the PLC has ultra-high speed computing capability and up to 256-point external I/O expansion capability, and is mainly characterized in that: the module design is adopted, and the maintenance, the debugging and the expansion are simple; the speed is higher in the similar products, the real-time signal acquisition and data processing capabilities are very strong, the pull pressure sensor monitors the test pull force or pressure of the test probe on the seal in real time, the test probe is opposite to the upper surface of the seal, the sealing, unsealing and destroying processes are simulated, the transparent observation window on the upper part of the cabinet body can slide up and down in the slide rail, so that observation can be carried out during testing, protection is carried out, and fragments are prevented from splashing in the damage process.
The invention has the following advantages: the device can comprehensively and accurately simulate the data which is provided by the national grid company standard Q/GDW 11009-2013 electric energy metering seal technical specification and is not tested by the existing testing device at present, the whole testing process is safe and reliable, the data is accurate, the graphic display can be realized, the device is stable in operation, the testing efficiency is high, and the powerful guarantee is provided for the quality inspection of the seal product.
Drawings
FIG. 1 is a schematic view of a lower cabinet testing machine according to the present invention;
FIG. 2 is a schematic view of the components of the workspace;
FIG. 3 is a side view of a first fixture, a second fixture, a third fixture, and a fixture mount;
FIG. 4 is a cross-sectional view of the first fixture, the second fixture and the mount A-A;
FIG. 5 is a cross-sectional view of a third clamp and mount A-A;
FIG. 6 is a schematic view of a fourth fixture;
in the figure: 1-cabinet body, 2-working area, 3-test mounting rack, 4-first servo electric cylinder, 5-second servo electric cylinder, 6-third servo electric cylinder, 7-fourth servo electric cylinder, 8-tension pressure sensor, 9-test probe, 10-first clamp mounting seat, 11-second clamp mounting seat, 12-third clamp mounting seat, 13-fourth clamp mounting seat, 14-first clamp, 15-second clamp, 16-third clamp, 17-first snap-in seal clamping column, 18-second snap-in seal clamping column, 19-screwing nut, 20-fourth clamp, 21-test piece storage drawer, 22-transparent observation window and 23-ejector rod.
Detailed Description
The electric energy meter seal testing machine comprises an upper PC and a lower test cabinet, wherein the lower test cabinet comprises a cabinet body 1, the upper part of the cabinet body 1 is provided with an industrial personal computer connected with the upper PC, and the industrial personal computer comprises an electric control board integrated with an electric control module, a PLC, an air switch and a relay; the utility model discloses a test cabinet, including cabinet body 1, workstation, test mounting bracket 3, first servo electric cylinder 4, second servo electric cylinder 5, third servo electric cylinder 6, fourth servo electric cylinder 7 that the cabinet body 1 middle part openly opened has workspace 2, the vertical test mounting bracket 3 that is provided with of workspace 2, the vertical first servo electric cylinder 4, second servo electric cylinder 5, third servo electric cylinder 6, the downward flexible of wearing of test mounting bracket 3 upper portion is connected with the industrial computer, first servo electric cylinder 4, second servo electric cylinder 5, third servo electric cylinder 6, fourth servo electric cylinder 7 end are provided with respectively and draw pressure sensor 8 and test probe 9, test mounting bracket 3 lower part is fixed with first anchor clamps mount pad 10, second anchor clamps mount pad 11, third anchor clamps mount pad 13 with four servo electric cylinders one-to-ones respectively, first anchor clamps mount pad 10, second anchor clamps mount pad 11, third anchor clamps mount pad 12 are the rectangle block that the center was vertically opened and is had the countersunk, be provided with first anchor clamps 14 in the rectangle block respectively, A second clamp 15 and a third clamp 16, wherein the first clamp 14, the second clamp 15 and the third clamp 16 are cylinders formed by splicing a left block and a right block, the splicing surfaces are provided with mutually matched convex edges and grooves, four-stage stepped holes are formed in the top surfaces of the first clamp 14, the second clamp 15 and the third clamp 16 from top to bottom, the third-stage stepped hole diameter is smaller than that of the second-stage stepped hole diameter, the second-stage stepped hole diameter is smaller than that of the first-stage stepped hole diameter, the third-stage stepped hole diameter is smaller than that of the fourth-stage stepped hole diameter, the first-stage stepped hole diameter and the second-stage stepped hole diameter are respectively matched with the outer diameters of an end cover and a buckle end of the buckle type seal, a first buckle type seal clamping column 17 with the outer diameter matched with the third-stage stepped hole penetrates through the third-stage stepped holes of the first clamp 14 and the second clamp 15, the upper end head of the first buckle type seal clamping column 17 is provided with a funnel-shaped convex edge matched with the buckle, the lower end of the rib is in smooth transition, the lower bottom surface of the rib is supported on the second-stage step surface of the first clamp 14 and the second clamp 15, the lower end of the first buckle type seal clamping column 17 is flush with the lower bottom surfaces of the first clamp 14 and the second clamp 15, and a funnel-shaped rib center at the upper end of the first buckle type seal clamping column 17 is provided with an avoiding hole; a second snap-in type seal clamping column 18 with the outer diameter matched with the third-stage stepped hole penetrates through the third-stage stepped hole of the third clamp 16, the upper end of the second buckle type seal card column 18 is provided with a funnel-shaped convex edge matched with the buckle type seal bayonet, the circumference of the convex edge is provided with a round angle, the lower end of the convex edge is in smooth transition, the lower bottom surface of the convex edge is supported on the second-stage step surface of the third clamp 16, a screwing nut 19 is screwed at one end of the second buckle type seal clamping column 18 penetrating out of the third-stage stepped hole, a top rod 23 penetrates through the center of the second buckle type seal clamping column 18, the lower end of the top rod 23 extends out of the lower bottom surface of the third clamp 16, the clamp is supported at the bottom of a counter bore of the third clamp mounting seat 12, the length of a protruding end of the clamp is larger than the axial length of a funnel-shaped rib at the upper end of the second clamping and buckling type sealing clamping column 18, and a pressing groove communicated with the side face of the cylinder is formed in the periphery of the outer edge of the upper end of the third clamp 16; the fourth fixture 20 is a fixed block with a square longitudinal section, an opening which is longitudinally communicated is formed in the upper portion of the fixed block, threading holes which are vertically communicated are symmetrically formed in two sides of the buckle, the width of the opening is smaller than the thickness of the threading seal, the upper opening portion and the lower opening portion of each threading hole are rounded, and the fixture mounting seat are fixed through screws; the test probe at the end of the first servo electric cylinder 4 is a plastic cylinder with the diameter of 6mm, the test probe at the end of the second servo electric cylinder 5 is a cross screwdriver with the diameter of 5mm, the test probe at the end of the third servo electric cylinder 6 is an annular pressure pipe matched with a pressure groove at the outer edge of the upper end of a third clamp, and the test probe at the end of the fourth servo electric cylinder 7 is a hook; the testing device is characterized in that a testing part storage drawer 21 is arranged below the working area 2 in the front of the middle of the cabinet body 1, longitudinal slide rails are arranged on two side faces of the upper portion of the cabinet body 1, and transparent observation windows 22 are arranged in the two slide rails.
When the clamping type seal sealing device is used, a station I simulates a clamping type seal sealing process, during operation, the clamping type seal is arranged at the upper end of a first clamp, a clamping part of the clamping type seal is sleeved at the upper end of a first clamping type seal clamping column of the first clamp, a first servo electric cylinder is started, a test probe is pressed downwards, the clamping type seal is sealed on a funnel-shaped convex edge at the upper end of the first clamping type seal clamping column, a pulling pressure sensor monitors sealing force in real time, data are transmitted to an upper PC (personal computer), and a sealing force curve is drawn; in addition, the first station can also test the strength of the buckle type seal, after the buckle type seal is sealed at the upper end of a first buckle type seal clamping column of the first station, the upper surface of the buckle type seal is pressurized to 30N, a pressure curve is drawn, and after the test is finished, whether the upper surface of the buckle type seal has cracks, dents and other damages is observed; simulating and testing the unsealing and destroying process of the buckle type seal at the second station, sealing the buckle type seal at the upper end of a first buckle type seal clamping column at the second station, gradually increasing and applying pressure to the upper surface of the buckle type seal until the upper surface of the buckle type seal is damaged by cracks or dents, drawing a pressure curve, and recording the damaged pressure value as an unsealing pressure test value; and continuing to gradually increase the pressure until the upper surface of the buckle type seal is damaged, drawing a pressure curve, and recording a pressure value during damage as a damage pressure test value. And simulating reliability verification of the buckle type seal at the third station, wherein the pulling force cannot be applied to the upper surface of the buckle type seal, so that the lower end of a second buckle type seal clamping column is locked by a screwing nut by adopting the pushing force from bottom to top, the inner top surface of the buckle type seal is supported and jacked by a mandril, and the annular pressure pipe of the test probe is pressed on a pressure groove at the outer edge of a third clamp under the pressure action of a third servo electric cylinder, so that the upward pulling force is simulated. And sealing the buckle type seal at the upper end of a second buckle type seal clamping column of the third clamp, starting a third servo electric cylinder, pressing the lower end of the test head on a pressing groove at the outer edge of the third clamp, gradually increasing the pressure until the upper cover of the buckle type seal is completely jacked and damaged, drawing a test pressure curve and recording the test pressure curve to serve as a reliability tension test value of the upper cover of the buckle type seal. And the fourth station simulates the unsealing and destroying processes of the threading seal, the threading seal is placed in a square cavity of the fourth fixture, threading respectively penetrates through threading holes on two sides of the opening, after the threading seal is sealed, a threading hook is hung on a testing probe at the lower end of the fourth servo electric cylinder, the tension is gradually applied to 60N, the sealing state of the seal is observed, then the tension is continuously increased until the threading is pulled out or broken from the threading seal, a tension curve is drawn and the numerical value is recorded, and the tension curve is used as the reliability and destroying tension test value of the threading seal.
Claims (3)
1. The utility model provides an electric energy meter seal test machine which characterized in that: the device comprises an upper PC and a lower test cabinet, wherein the lower test cabinet comprises a cabinet body (1), the upper part of the cabinet body (1) is provided with an industrial personal computer connected with the upper PC, and the industrial personal computer comprises an electric control board integrated with an electric control module, a PLC, an air switch and a relay; the utility model discloses a test cabinet, including cabinet body (1), workstation (2), test mounting bracket (3) are vertically provided with in workstation (2), the vertical first servo electric jar (4), the servo electric jar of second (5), the servo electric jar of third (6), the servo electric jar of fourth (7) of stretching out and drawing back downwards that are connected with the industrial computer that has worn in test mounting bracket (3) upper portion, first servo electric jar (4), the servo electric jar of second (5), the servo electric jar of third (6), the servo electric jar of fourth (7) end is provided with respectively and draws pressure sensor (8) and test probe (9), test mounting bracket (3) lower part is fixed with first anchor clamps mount pad (10), second anchor clamps mount pad (11), third anchor clamps mount pad (12), fourth anchor clamps mount pad (13) with four servo electric jar one-to-ones respectively, first anchor clamps mount pad (10), The second fixture mounting seat (11) and the third fixture mounting seat (12) are rectangular blocks with countersunk holes vertically arranged at the centers, a first fixture (14), a second fixture (15) and a third fixture (16) are respectively arranged in the rectangular blocks, the first fixture (14), the second fixture (15) and the third fixture (16) are cylinders formed by splicing a left block and a right block, the splicing surfaces are provided with mutually matched convex edges and grooves, four-stage stepped holes are formed in the top surfaces of the first fixture (14), the second fixture (15) and the third fixture (16) from top to bottom, wherein the third-stage stepped hole diameter is smaller than the second-stage stepped hole diameter which is smaller than the first-stage stepped hole diameter, the third-stage stepped hole diameter is smaller than the fourth-stage stepped hole diameter, and the first-stage stepped hole diameter and the second-stage stepped hole are respectively matched with the outer diameters of the end cover and the buckle end of the buckle type seal, a first buckle type seal clamping column (17) with the outer diameter matched with the third-level stepped hole penetrates through the third-level stepped hole of the first clamp (14) and the second clamp (15), a funnel-shaped convex ridge matched with the buckle type seal bayonet is arranged at the upper end of the first buckle type seal clamping column (17), the circumference of the convex ridge is provided with a round corner, the lower end of the convex ridge is in smooth transition, the lower bottom surface of the convex ridge is supported on the second-level stepped surface of the first clamp (14) and the second clamp (15), the lower end of the first buckle type seal clamping column (17) is flush with the lower bottom surfaces of the first clamp (14) and the second clamp (15), and a funnel-shaped convex ridge avoiding hole is formed in the center of the upper end of the first buckle type seal clamping column (17); a second buckle type seal card column (18) with the outer diameter matched with the third-level stepped hole penetrates through the third-level stepped hole of the third clamp (16), a funnel-shaped convex rib matched with the buckle type seal bayonet is arranged at the upper end head of the second buckle type seal card column (18), the circumference of the convex rib is in a round transition fillet, the lower end of the convex rib is in a round transition, the lower bottom surface of the convex rib is supported on the second-level stepped surface of the third clamp (16), a screwing nut (19) is screwed at one end of the second buckle type seal card column (18) penetrating out of the third-level stepped hole, a mandril (23) penetrates through the center of the second buckle type seal card column (18), the lower end of the mandril (23) extends out of the lower bottom surface of the third clamp (16) and is supported at the bottom of the countersunk hole of the third clamp mounting seat (12), and the length of the extending end is greater than the axial length of the funnel-shaped convex rib at the upper end of the second, a pressing groove communicated with the side surface of the cylinder is formed in the periphery of the outer edge of the upper end of the third clamp (16); a fourth fixture (20) is mounted on the fourth fixture mounting seat (13), the fourth fixture (20) is a fixed block with a longitudinal section in a shape of Chinese character kou, an opening which is longitudinally communicated is formed in the upper portion of the fixed block, threading holes which are vertically communicated are symmetrically formed in two sides of the opening, the width of the opening is smaller than the thickness of the threading seal, the upper opening portion and the lower opening portion of each threading hole are rounded, and the fixture mounting seat are fixed through screws; the test probe at the end of the first servo electric cylinder (4) is a plastic cylinder with the diameter of 6mm, the test probe at the end of the second servo electric cylinder (5) is a cross screwdriver with the diameter of 5mm, the test probe at the end of the third servo electric cylinder (6) is an annular pressure pipe matched with a pressure groove at the outer edge of the upper end of a third clamp, and the test probe at the end of the fourth servo electric cylinder (7) is a hook; the test cabinet is characterized in that a test piece storage drawer (21) is arranged below the front working area (2) in the middle of the cabinet body (1), longitudinal slide rails are arranged on two side faces of the upper portion of the cabinet body (1), and transparent observation windows (22) are arranged in the two slide rails.
2. The electric energy meter seal testing machine according to claim 1, wherein: the PLC of the industrial personal computer adopts a PLC of a SIEMENS S7-1200 model.
3. The electric energy meter seal testing machine according to claim 1 or 2, characterized in that: the first buckle type seal clamping column (17) and the second buckle type seal clamping column (18) are standard electric energy meter seal screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178946.5A CN108387439B (en) | 2018-03-05 | 2018-03-05 | Seal test machine for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178946.5A CN108387439B (en) | 2018-03-05 | 2018-03-05 | Seal test machine for electric energy meter |
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| Publication Number | Publication Date |
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| CN108387439A CN108387439A (en) | 2018-08-10 |
| CN108387439B true CN108387439B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810178946.5A Active CN108387439B (en) | 2018-03-05 | 2018-03-05 | Seal test machine for electric energy meter |
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| CN110441226B (en) * | 2019-08-22 | 2022-01-28 | 国网山东省电力公司龙口市供电公司 | Electric power measurement seal performance check out test set |
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| CN102879759A (en) * | 2011-07-15 | 2013-01-16 | 江门市大光明电力设备厂有限公司 | Automatic wire-feeding, sealing and calibrating equipment and method of power metering device |
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| CN103278793A (en) * | 2013-04-24 | 2013-09-04 | 广东电网公司江门供电局 | Seal packaging detection device |
| CN103744049A (en) * | 2014-01-16 | 2014-04-23 | 国家电网公司 | Electric energy meter seal performance testing device |
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2018
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| CN102879759A (en) * | 2011-07-15 | 2013-01-16 | 江门市大光明电力设备厂有限公司 | Automatic wire-feeding, sealing and calibrating equipment and method of power metering device |
| CN203164411U (en) * | 2013-04-24 | 2013-08-28 | 广东电网公司江门供电局 | Seal encapsulation detecting apparatus |
| CN103278793A (en) * | 2013-04-24 | 2013-09-04 | 广东电网公司江门供电局 | Seal packaging detection device |
| CN103744049A (en) * | 2014-01-16 | 2014-04-23 | 国家电网公司 | Electric energy meter seal performance testing device |
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