CN212483781U - Test bed for electromagnetic field radiation emission and noise immunity test of molded case circuit breaker - Google Patents
Test bed for electromagnetic field radiation emission and noise immunity test of molded case circuit breaker Download PDFInfo
- Publication number
- CN212483781U CN212483781U CN202020820689.3U CN202020820689U CN212483781U CN 212483781 U CN212483781 U CN 212483781U CN 202020820689 U CN202020820689 U CN 202020820689U CN 212483781 U CN212483781 U CN 212483781U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- test
- case circuit
- mounting groove
- wiring hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005672 electromagnetic field Effects 0.000 title claims abstract description 16
- 230000036039 immunity Effects 0.000 title claims abstract description 16
- 230000005855 radiation Effects 0.000 title claims abstract description 16
- 239000004677 Nylon Substances 0.000 claims abstract description 17
- 229920001778 nylon Polymers 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a test bench for moulded case circuit breaker electromagnetic field radiation emission and noise immunity are experimental, install the fixed plate on the test table face, the wiring hole has been seted up at the middle part of fixed plate, two vertical guide slots have been seted up respectively to the both sides in wiring hole, the both ends of going up mounting panel and lower mounting panel are passed through the nylon bolt level and are fixed in the guide slot, the middle part of going up the mounting panel is provided with the horizontally and goes up the mounting groove, the middle part of mounting panel is provided with horizontally lower mounting groove down, the moulded case circuit breaker that awaits measuring is fixed in last mounting groove and lower mounting groove, test cable or female row pass the wiring hole and insert the moulded case circuit breaker that awaits measuring, go up the mounting panel, space between lower mounting panel and the wiring hole three seals. The utility model discloses can satisfy the fixed mounting of the moulded case circuit breaker of different specification models, nimble adjustment moulded case circuit breaker's that awaits measuring test height, the quick build of the experimental circuit of being convenient for has improved work efficiency.
Description
Technical Field
The utility model relates to a low-voltage apparatus product electromagnetic compatibility detects technical field, specific test bench that is used for moulded case circuit breaker electromagnetic field radiation emission and noise immunity to be experimental that says so.
Background
According to the requirements of national standard GB 14048.2, an electromagnetic compatibility (EMC) test must be carried out on an electronic control product of a circuit breaker with electronic overcurrent protection, and the electromagnetic interference (EMI) and the anti-interference capability (EMS) of the electronic product are comprehensively evaluated, which are one of the most important indexes of the product quality, and the measurement of electromagnetic compatibility consists of a test site and a test instrument. In the electromagnetic field radiation emission and noise immunity test process of the molded case circuit breaker, the molded case circuit breaker is vertically arranged on the surface of an insulating material and has a certain height from a reference plane. Because moulded case circuit breaker's shell frame electric current kind is more, and the moulded case circuit breaker overall dimension and the erection dimension of every kind of shell frame electric current are all inequality, just must make corresponding test bench according to the circuit breaker of difference when doing the experiment to satisfy experimental requirement, the process of installing fixed circuit breaker is loaded down with trivial details, and work efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a moulded case circuit breaker electromagnetic field radiation emission and experimental test bench of noise immunity can fix the circuit breaker of different kinds of shell frame electric current on the test bench with the installation to can adjust the height of circuit breaker wantonly, so that satisfy the test requirement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test bed for electromagnetic field radiation emission and noise immunity test of a molded case circuit breaker comprises a test table surface arranged on a bed frame, a fixing plate vertical to the test table surface is arranged on the test table surface, the middle part of the fixing plate is provided with a wiring hole, two sides of the wiring hole are respectively provided with two vertical guide grooves, the height of each guide groove is not more than that of the wiring hole, two ends of the upper mounting plate and the lower mounting plate are horizontally fixed in the guide grooves through nylon bolts, the middle part of the upper mounting plate is provided with a horizontal upper mounting groove, the middle part of the lower mounting plate is provided with a horizontal lower mounting groove, the molded case circuit breaker to be tested is fixed in the upper mounting groove and the lower mounting groove through bolts, the test cable or the busbar penetrates through the wiring hole to be connected into the molded case circuit breaker to be tested, gaps among the upper mounting plate, the lower mounting plate and the wiring hole are sealed through a plurality of baffles, and two ends of each baffle are fixed in the guide groove through nylon bolts.
Preferably, the wiring hole is a square hole, and the height of the wiring hole is smaller than that of the fixing plate.
Preferably, the heights of a plurality of said baffles may be different.
Preferably, the length of going up the mounting groove equals with the horizontal interval of two guide slots, goes up the round hole that fixed nylon bolt was seted up at the both ends of mounting groove.
Preferably, the length of lower mounting groove equals with the horizontal interval of two guide slots, and the round hole of fixed nylon bolt is seted up at the both ends of lower mounting groove.
Preferably, the bottom of the fixing plate is provided with a plurality of connecting wedges, and the number and the shape of the connecting wedges are matched with those of the connecting holes arranged on the table top.
The utility model discloses an assembly process does:
the fixed plate is installed on the test table board, the molded case circuit breaker to be tested is fixed on the upper installation plate and the lower installation plate through bolts, the upper installation plate and the lower installation plate are fixed at the proper positions of the guide grooves through nylon bolts according to the test height of the molded case circuit breaker to be tested, the cable or the busbar penetrates through the wiring hole to be connected into the molded case circuit breaker to be tested, and the gap between the upper installation plate, the lower installation plate and the wiring hole is shielded by the baffle. After the installation is finished, electromagnetic field radiation emission and noise immunity tests can be carried out in the electromagnetic compatibility test of the molded case circuit breaker to be tested.
The utility model has the advantages that:
(1) the utility model discloses set up the guide slot on the fixed plate, fix the moulded case circuit breaker that awaits measuring on the fixed plate through the mounting panel, can satisfy the fixed mounting of the moulded case circuit breaker of different specifications models, the nimble experimental height of adjusting the moulded case circuit breaker that awaits measuring, the quick of being convenient for experimental circuit is built, has improved work efficiency;
(2) the utility model ensures the reliability of the experimental process by blocking the gaps among the upper mounting plate, the lower mounting plate and the wiring holes by the baffle;
(3) the middle mounting plate and the baffle plate are fixed on the fixed plate through the nylon bolts, so that the influence of metal parts on test results is avoided, and the accuracy of the measurement results is ensured;
(4) the utility model discloses the width of well baffle can be different, is convenient for shelter from the gap of equidimension not on the fixed plate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the test table of FIG. 1;
FIG. 3 is a schematic structural view of the fixing plate of FIG. 1;
FIG. 4 is a schematic structural view of the upper mounting plate of FIG. 1;
FIG. 5 is a schematic structural view of the lower mounting plate of FIG. 1;
FIG. 6 is a schematic view of the construction of the baffle of FIG. 1;
in the figure: 1. the device comprises a test table board, 2, a baffle, 3, a guide groove, 4, an upper mounting plate, 5, a fixing plate, 6, an upper mounting groove, 7, a lower mounting groove, 8, a lower mounting plate, 9, a molded case circuit breaker to be tested, 10, a wiring hole, 11, a connecting wedge, 12, a rack, 13 and a connecting hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a test bed for electromagnetic field radiation emission and noise immunity test of a molded case circuit breaker comprises a test table top 1 mounted on a frame 12, a fixing plate 5 perpendicular to the test table top 1 is mounted on the test table top 1, a wiring hole 10 is formed in the middle of the fixing plate 5, two vertical guide grooves 3 are respectively formed in two sides of the wiring hole 10, the height of each guide groove 3 is not greater than that of the wiring hole 10, two ends of an upper mounting plate 4 and a lower mounting plate 8 are horizontally fixed in the guide grooves 3 through nylon bolts, a horizontal upper mounting groove 6 is formed in the middle of the upper mounting plate 4, a horizontal lower mounting groove 7 is formed in the middle of the lower mounting plate 8, the molded case circuit breaker 9 to be tested is fixed in the upper mounting groove 6 and the lower mounting groove 7 through bolts, a test cable or bus bar passes through the wiring hole 10 to be connected to the molded case circuit breaker 9 to be tested, gaps among the upper mounting plate, the two ends of the baffle 2 are fixed in the guide grooves 3 through nylon bolts.
The wiring hole 10 is a square hole, and the height of the wiring hole 10 is smaller than that of the fixing plate 5.
The height of several baffles 2 may be different.
Go up the length of mounting groove 6 and the horizontal interval of two guide slots 3 equals, go up the round hole that fixed nylon bolt was seted up at the both ends of mounting groove 6. The length of lower mounting groove 7 equals with the horizontal interval of two guide slots 3, and the round hole of fixed nylon bolt is seted up at the both ends of lower mounting groove 7.
The bottom of the fixed plate 5 is provided with a plurality of connecting wedges 11, and the number and the shape of the connecting wedges 11 are matched with the number and the shape of connecting holes 13 arranged on the table top 1.
The utility model discloses an assembly process does:
the fixed plate 5 is combined with a connecting hole 13 on the test table board 1 through a connecting wedge 11, a mounting hole of the molded case circuit breaker 9 to be tested is respectively aligned with an upper mounting groove 6 and a lower mounting groove 7 and is fixed on an upper mounting plate 4 and a lower mounting plate 8 through bolts, then the upper mounting plate 4 and the lower mounting plate 8 are fixed on the fixed plate 5 through a guide groove 3 through nylon bolts, and the height of the molded case circuit breaker 9 to be tested is adjusted before fixing. The test cable or the busbar is connected into the molded case circuit breaker 9 to be tested through the wiring hole 10, the gap on the fixing plate 5 is sealed by the baffle 2 and the nylon bolt, and the electromagnetic field radiation emission and the noise immunity test in the electromagnetic compatibility test of the molded case circuit breaker 9 to be tested can be carried out.
The utility model discloses set up the guide slot on the fixed plate, to await measuring moulded case circuit breaker passes through the mounting panel to be fixed on the fixed plate, can satisfy the fixed mounting of the moulded case circuit breaker of different specification models, and the nimble adjustment awaits measuring moulded case circuit breaker's test height, the quick of being convenient for experimental circuit is built, has improved work efficiency.
Claims (6)
1. The utility model provides a test bench for moulded case circuit breaker electromagnetic field radiation emission and noise immunity are experimental, it is including installing test table board (1) on rack (12), install on test table board (1) rather than looks vertically fixed plate (5), its characterized in that: the middle part of the fixing plate (5) is provided with a wiring hole (10), two vertical guide grooves (3) are respectively arranged on two sides of the wiring hole (10), the height of each guide groove (3) is not more than that of the wiring hole (10), two ends of the upper mounting plate (4) and the lower mounting plate (8) are horizontally fixed in the guide grooves (3) through nylon bolts, a horizontal upper mounting groove (6) is arranged in the middle of the upper mounting plate (4), a horizontal lower mounting groove (7) is arranged in the middle of the lower mounting plate (8), a molded case circuit breaker (9) to be tested is fixed in the upper mounting groove (6) and the lower mounting groove (7) through bolts, the test cable or the busbar penetrates through the wiring hole (10) to be connected into the molded case circuit breaker (9) to be tested, gaps among the upper mounting plate (4), the lower mounting plate (8) and the wiring hole (10) are sealed through the plurality of baffles (2), and two ends of the baffles (2) are fixed in the guide groove (3) through nylon bolts.
2. The test bench for the electromagnetic field radiation emission and immunity test of the molded case circuit breaker according to claim 1, characterized in that: the wiring hole (10) is a square hole, and the height of the wiring hole (10) is smaller than that of the fixing plate (5).
3. The test bench for electromagnetic field radiation emission and immunity test of molded case circuit breakers according to claim 1 or 2, characterized in that: the heights of the baffles (2) can be different.
4. The test bench for the electromagnetic field radiation emission and immunity test of the molded case circuit breaker according to claim 3, characterized in that: the length of the upper mounting groove (6) is equal to the horizontal distance between the two guide grooves (3), and round holes for fixing nylon bolts are formed in the two ends of the upper mounting groove (6).
5. The test bench for the electromagnetic field radiation emission and immunity test of the molded case circuit breaker according to claim 4, characterized in that: the length of lower mounting groove (7) equals with the horizontal interval of two guide slots (3), and the round hole of fixed nylon bolt is seted up at the both ends of lower mounting groove (7).
6. The test bench for the electromagnetic field radiation emission and immunity test of the molded case circuit breaker according to claim 5, characterized in that: the bottom of the fixed plate (5) is provided with a plurality of connecting wedges (11), and the number and the shape of the connecting wedges (11) are matched with the number and the shape of connecting holes (13) arranged on the table top (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820689.3U CN212483781U (en) | 2020-05-18 | 2020-05-18 | Test bed for electromagnetic field radiation emission and noise immunity test of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020820689.3U CN212483781U (en) | 2020-05-18 | 2020-05-18 | Test bed for electromagnetic field radiation emission and noise immunity test of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212483781U true CN212483781U (en) | 2021-02-05 |
Family
ID=74460981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020820689.3U Expired - Fee Related CN212483781U (en) | 2020-05-18 | 2020-05-18 | Test bed for electromagnetic field radiation emission and noise immunity test of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212483781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391205A (en) * | 2021-07-19 | 2021-09-14 | 德丰电创科技股份有限公司 | Device and system for verifying immunity of constant magnetic field |
-
2020
- 2020-05-18 CN CN202020820689.3U patent/CN212483781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391205A (en) * | 2021-07-19 | 2021-09-14 | 德丰电创科技股份有限公司 | Device and system for verifying immunity of constant magnetic field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212483781U (en) | Test bed for electromagnetic field radiation emission and noise immunity test of molded case circuit breaker | |
| CN218071652U (en) | Static elimination device for industrial POE (power over Ethernet) exchanger | |
| CN219555365U (en) | Cabinet for vibration acquisition | |
| CN203415832U (en) | Breaker arrangement structure of photovoltaic DC power distribution cabinet | |
| CN209948381U (en) | Low-voltage switch cabinet structure | |
| CN216289510U (en) | Power distribution unit module | |
| CN220421137U (en) | Outdoor distribution box convenient for wire arrangement | |
| CN216450989U (en) | Power distribution cabinet convenient to install | |
| CN216648934U (en) | Three-meter wiring bottom plate for high-voltage metering cabinet | |
| CN210985188U (en) | Low-pressure chamber terminal placing device | |
| CN216121400U (en) | Integrated block terminal structure of jam-proof | |
| CN216437701U (en) | Anti-seismic cabinet | |
| CN215452675U (en) | Modular outlet box of medium-high voltage generator | |
| CN216121234U (en) | Integrated power distribution device capable of freely wiring | |
| JPS645926Y2 (en) | ||
| CN219226179U (en) | Zero-arcing accessory of circuit breaker with single structure | |
| CN215768720U (en) | Standardized design multi-meter-position module type electric energy metering box | |
| CN215119678U (en) | Modularized electric energy fixing and separating device | |
| CN210898218U (en) | A ammeter mounting structure in low-voltage distribution cabinet for electric power control | |
| CN214750781U (en) | High-voltage live display test platform | |
| CN220556367U (en) | Positioning tool and testing equipment for high-voltage wire harness bracket | |
| CN218976261U (en) | Branching device | |
| CN214100257U (en) | A take accuse measurement cabinet for among distribution system | |
| CN212542966U (en) | Grounding component of power transformation and distribution device | |
| CN220628818U (en) | Water conservancy and hydropower engineering cable fixing and protecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |