CN216310256U - Three-phase ammeter NB module testing arrangement - Google Patents
Three-phase ammeter NB module testing arrangement Download PDFInfo
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- CN216310256U CN216310256U CN202122811490.1U CN202122811490U CN216310256U CN 216310256 U CN216310256 U CN 216310256U CN 202122811490 U CN202122811490 U CN 202122811490U CN 216310256 U CN216310256 U CN 216310256U
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Abstract
The utility model discloses a three-phase electric meter NB module testing device, which comprises a bottom box, wherein a positioning area is arranged on the front side of the upper surface of the bottom box, a control area is arranged on the rear side of the upper surface of the bottom box, the positioning area comprises an M-shaped positioning block and an L-shaped positioning block, the control area comprises a vertical plate, a clamping device is arranged on the front side of the vertical plate, a side plate is arranged on the rear side of the vertical plate, and a linear optical axis is arranged on the outer side of the clamping device; the rear side of the needle plate is connected with the clamping device, the front side of the needle plate is provided with a probe, and a needle sleeve is arranged on the probe. The utility model has the beneficial effects that: the M-shaped positioning block and the L-shaped positioning block form a three-phase electric meter NB module in a surrounding mode, and the three-phase electric meter NB module can be conveniently and accurately placed; the L-shaped moving piece is convenient for taking down the NB module of the tested three-phase electric meter; the tool is provided with four identical test positions, the needle plate is provided with a U-shaped groove, the L-shaped moving part is located below the U-shaped groove, and under the driving of the clamping device, four groups of probes are simultaneously contacted with four three-phase NB modules, so that the test efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of electric energy meter detection, in particular to a three-phase electric meter NB module testing device.
Background
The size of the three-phase NB module PCBA board is small, communication test is carried out while electrification is achieved in the test process, row pins on the board need to be in butt joint with row nuts, communication holes need to be in contact with the row nuts through probes, and the realization difficulty is very high. In the test scene, the row pins on the tested module can be accurately inserted into the row nuts, the eight holes on the plate can be accurately contacted with the probes on the probe plate, a plurality of plates are required to be simultaneously tested at one time, and the plate is easy to take and place. Therefore, a special device needs to be configured to complete accurate and efficient testing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the technical defects and provides a three-phase electric meter NB module testing device, which realizes accurate insertion of pin header and improves the detection efficiency.
The technical scheme adopted by the utility model for realizing the technical purpose is as follows: the test device for the NB module of the three-phase electric meter comprises a bottom box, wherein a positioning area is arranged on the front side of the upper surface of the bottom box, a control area is arranged on the rear side of the upper surface of the bottom box,
the positioning area comprises an M-shaped positioning block and an L-shaped positioning block, the L-shaped positioning blocks are arranged in front of the M-shaped positioning block and jointly form a positioning area, and a row nut is further arranged at the position, close to the M-shaped positioning block, of the positioning area; an L-shaped moving piece is further arranged in the center of the M-shaped positioning block;
the control area comprises a vertical plate, a clamping device is arranged on the front side of the vertical plate, a side plate is arranged on the rear side of the vertical plate, a linear optical axis is further arranged on the outer side of the clamping device, the lower end of the linear optical axis is connected to the bottom box, and the upper end of the linear optical axis is connected to the vertical plate through a positioning block; the needle plate clamping device is characterized in that a linear bearing is sleeved on the linear optical axis and connected to the needle plate, the rear side of the needle plate is connected with the clamping device, a probe is arranged on the front side of the needle plate, and a needle sleeve is arranged on the probe.
Preferably, the clamping device comprises a base, a support frame is arranged on the base, a connecting rod is hinged to the upper end of the support frame, and a sleeve is arranged at the lower end of the support frame; the connecting rod is hinged with a connecting frame, the connecting frame is hinged with a screw rod, and the screw rod penetrates through the sleeve and is connected to the needle plate through a fastening nut.
Preferably, the connecting rod is an L-shaped connecting rod, the tail end of the horizontal part of the connecting rod is hinged to the supporting frame, the vertical part of the connecting rod is sleeved with the handle, and the connecting frame is hinged to the joint of the horizontal part and the vertical part.
Preferably, the side plates comprise two symmetrically arranged side plates which are respectively arranged at the left edge and the right edge of the vertical plate.
Preferably, the middle of the vertical plate is further provided with two sliding grooves, a base of the clamping device is provided with a through hole, and adjusting bolts penetrate through the through hole and the sliding grooves to connect the clamping device to the vertical plate.
Preferably, a groove is formed in the center of the M-shaped positioning block, and the L-shaped moving piece is arranged in the groove through a rotating shaft; the needle plate is provided with a U-shaped groove, and the L-shaped movable part is located below the U-shaped groove.
Preferably, the L-shaped positioning block comprises a first L-shaped positioning block and a second L-shaped positioning block, and openings of the first L-shaped positioning block and the second L-shaped positioning block are both upward.
The utility model has the beneficial effects that: the M-shaped positioning block and the L-shaped positioning block form a three-phase electric meter NB module in a surrounding mode, and the three-phase electric meter NB module can be conveniently and accurately placed; the L-shaped moving piece is convenient for taking down the NB module of the tested three-phase electric meter; the tool is provided with four identical test positions, the needle plate is provided with a U-shaped groove, the L-shaped moving part is located below the U-shaped groove, and under the driving of the clamping device, four groups of probes are simultaneously contacted with four three-phase NB modules, so that the test efficiency is improved.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is another schematic view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is an enlarged view of a portion of the present invention;
fig. 5 is a flow chart of the present invention.
Labeled as: 1. a vertical plate; 2. positioning blocks; 3. a clamping device; 31. a base; 32. a support frame; 33. a connecting rod; 34. a sleeve; 35. a connecting frame; 36. a screw; 4. fastening a nut; an NB module; 7. a bottom case; 8. mother arrangement; 9. a probe; 10. a handle; 11. a side plate; 12. a linear optical axis; 13. a linear bearing; 14. a needle plate; 141. a U-shaped groove; 15. a needle sleeve;
an L-shaped moving part; 17, an M-shaped positioning block; 171. a groove; 18, an L-shaped positioning block; 181. a first L-shaped positioning block;
182. a second L-shaped positioning block; 19. a chute; 20. and a through hole.
Detailed Description
The utility model is further described with reference to the following embodiments.
Example one
As shown in fig. 1-5: the test device for the NB module of the three-phase electric meter comprises a bottom box 7, wherein a positioning area is arranged on the front side of the upper surface of the bottom box 7, a control area is arranged on the rear side,
the positioning area comprises an M-shaped positioning block 17 and an L-shaped positioning block 18, the L-shaped positioning block 18 is arranged in front of the M-shaped positioning block 17 and jointly forms a positioning area, and a row nut 8 is further arranged in the positioning area and close to the M-shaped positioning block 17; an L-shaped moving piece 16 is further arranged at the center of the M-shaped positioning block 17;
the control area comprises a vertical plate 1, a clamping device 3 is arranged on the front side of the vertical plate 1, a side plate 11 is arranged on the rear side of the vertical plate, a linear optical axis 12 is further arranged on the outer side of the clamping device 3, the lower end of the linear optical axis 12 is connected to the bottom box 7, and the upper end of the linear optical axis is connected to the vertical plate 1 through a positioning block 2; the linear optical axis 12 is sleeved with a linear bearing 13, the linear bearing 13 is connected to a needle plate 14, the rear side of the needle plate 14 is connected with the clamping device 3, the front side of the needle plate 14 is provided with a probe 9, and the probe 9 is provided with a needle sleeve 15.
The clamping device 3 comprises a base 31, a support frame 32 is arranged on the base 31, the upper end of the support frame 32 is hinged with a connecting rod 33, and the lower end of the support frame is provided with a sleeve 34; the connecting rod 33 is hinged with a connecting frame 35, the connecting frame 35 is hinged with a screw rod 36, and the screw rod 36 penetrates through the sleeve 34 and is connected to the needle plate 14 through a fastening nut 4.
The connecting rod 33 is an L-shaped connecting rod, the tail end of the horizontal part of the connecting rod is hinged on the supporting frame 32, the vertical part of the connecting rod is sleeved with the handle 10, and the connecting frame 35 is hinged at the connecting position of the horizontal part and the vertical part.
The side plates 11 comprise two symmetrically arranged blocks which are respectively arranged at the left edge and the right edge of the vertical plate 1.
Two sliding grooves 19 are further formed in the middle of the vertical plate 1, through holes 20 are formed in a base 31 of the clamping device 3, and adjusting bolts penetrate through the through holes 20 and the sliding grooves 19 to connect the clamping device 3 to the vertical plate 1.
A groove 171 is formed in the center of the M-shaped positioning block 17, and the L-shaped movable piece 16 is arranged in the groove 171 through a rotating shaft; the needle plate 14 is provided with a U-shaped groove 141, and the L-shaped movable piece 16 is positioned below the U-shaped groove 141.
The L-shaped positioning block 18 includes a first L-shaped positioning block 181 and a second L-shaped positioning block 182, and the openings of the first L-shaped positioning block 181 and the second L-shaped positioning block 182 are both upward.
The working principle and the working process of the utility model are as follows: the handle 10 is pulled, the clamp device 3 drives the needle plate 14 to move upwards through the fastening nut 4, the whole needle plate 14 is lifted, the needle plate 14 moves on the linear optical axis 12 by virtue of the linear bearing 13 in the up-and-down moving process, so that the displacement cannot generate deflection, the linear optical axis 12 is fixed on the positioning block 2 and then fixed on the vertical plate 1, and the vertical plate 1 is fixed by virtue of the side plate 11 and finally fixed on the box surface of the box body 7.
Placement of three-phase NB modules: with three-phase NB module 5 down along M type locating piece 17 and the parallel of L type locating piece 18, the contact pin on the three-phase NB module 5 will be inserted in row's mother 8, the position back is put to the three-phase NB module, twist grip 10, clamping device 3 drives and goes up needle version 14 and move down, on the eight pinholes of three-phase NB module 5 will be accurate contact of probe 9, this frock has four same test positions, four groups of probe 9 contact simultaneously on four three-phase NB modules 5.
Testing a three-phase NB module: when the power switch is turned on, the busbar 8 has corresponding voltage, and the three-phase NB module 5 is electrified through the busbar pin. The signal on the three-phase NB module 5 is sent to the probe 9, the probe 9 is inserted in the needle sleeve 15 and is communicated, the wiring on the needle sleeve 15 is connected with a TTL-to-USB board in the bottom box 7, and the USB end is connected with a computer through the wiring, so that the signal on the three-phase NB module is sent to the computer for testing.
Taking a three-phase NB module: after the handle 10 is pulled, the clamping device 3 drives the whole needle plate 14 to move upwards to a proper position, the L-shaped moving part 16 is pulled backwards, the three-phase NB module 5 can be pried out from the row bus 8, and then the three-phase NB module 5 is taken out by hands to complete the whole test.
Claims (7)
1. Three-phase ammeter NB module testing arrangement, including end box, its characterized in that: a positioning area is arranged on the front side of the upper surface of the bottom box, a control area is arranged on the rear side,
the positioning area comprises an M-shaped positioning block and an L-shaped positioning block, the L-shaped positioning blocks are arranged in front of the M-shaped positioning block and jointly form a positioning area, and a row nut is further arranged at the position, close to the M-shaped positioning block, of the positioning area; an L-shaped moving piece is further arranged in the center of the M-shaped positioning block;
the control area comprises a vertical plate, a clamping device is arranged on the front side of the vertical plate, a side plate is arranged on the rear side of the vertical plate, a linear optical axis is further arranged on the outer side of the clamping device, the lower end of the linear optical axis is connected to the bottom box, and the upper end of the linear optical axis is connected to the vertical plate through a positioning block; the needle plate clamping device is characterized in that a linear bearing is sleeved on the linear optical axis and connected to the needle plate, the rear side of the needle plate is connected with the clamping device, a probe is arranged on the front side of the needle plate, and a needle sleeve is arranged on the probe.
2. The test device for the NB module of the three-phase electric meter according to claim 1, wherein: the clamp device comprises a base, a support frame is arranged on the base, a connecting rod is hinged to the upper end of the support frame, and a sleeve is arranged at the lower end of the support frame; the connecting rod is hinged with a connecting frame, the connecting frame is hinged with a screw rod, and the screw rod penetrates through the sleeve and is connected to the needle plate through a fastening nut.
3. The device for testing the NB module of the three-phase electric meter according to claim 2, wherein: the connecting rod is an L-shaped connecting rod, the tail end of the horizontal part of the connecting rod is hinged to the supporting frame, the vertical part of the connecting rod is sleeved with the handle, and the connecting frame is hinged to the joint of the horizontal part and the vertical part.
4. The test device for the NB module of the three-phase electric meter according to claim 1, wherein: the side plates comprise two symmetrically arranged blocks which are respectively arranged at the left edge and the right edge of the vertical plate.
5. The NB module testing device for three-phase electric meters of claim 4, wherein: two sliding grooves are further formed in the middle of the vertical plate, a through hole is formed in a base of the clamping device, and adjusting bolts penetrate through the through hole and the sliding grooves to connect the clamping device to the vertical plate.
6. The test device for the NB module of the three-phase electric meter according to claim 1, wherein: a groove is formed in the center of the M-shaped positioning block, and the L-shaped moving piece is arranged in the groove through a rotating shaft; the needle plate is provided with a U-shaped groove, and the L-shaped movable part is located below the U-shaped groove.
7. The test device for the NB module of the three-phase electric meter according to claim 1, wherein: the L-shaped positioning block comprises a first L-shaped positioning block and a second L-shaped positioning block, and openings of the first L-shaped positioning block and the second L-shaped positioning block are upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811490.1U CN216310256U (en) | 2021-11-17 | 2021-11-17 | Three-phase ammeter NB module testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122811490.1U CN216310256U (en) | 2021-11-17 | 2021-11-17 | Three-phase ammeter NB module testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216310256U true CN216310256U (en) | 2022-04-15 |
Family
ID=81120040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122811490.1U Active CN216310256U (en) | 2021-11-17 | 2021-11-17 | Three-phase ammeter NB module testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216310256U (en) |
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2021
- 2021-11-17 CN CN202122811490.1U patent/CN216310256U/en active Active
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