CN214041613U - Analog load screen of marine direct current power grid insulation monitoring device - Google Patents
Analog load screen of marine direct current power grid insulation monitoring device Download PDFInfo
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- CN214041613U CN214041613U CN202022523659.9U CN202022523659U CN214041613U CN 214041613 U CN214041613 U CN 214041613U CN 202022523659 U CN202022523659 U CN 202022523659U CN 214041613 U CN214041613 U CN 214041613U
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Abstract
The utility model provides a simulation load screen of a marine direct current power grid insulation monitoring device, which comprises a cabinet body, a control loop, a simulation load loop, a measuring part and a state display part; the cabinet body comprises a base, a door plate, a vertical mounting strip and a mounting plate; the control circuit comprises an emergency stop button, a miniature circuit breaker, an intermediate relay, a transformer and a single-phase rectifier; the analog load loop comprises a direct current sensor, a binding post, a floating copper bar and an analog load RC; the measuring part comprises a current divider, a wiring terminal and a circular electric connector; the state display part comprises a signal indicator lamp, a current meter and a voltage meter. The utility model provides a pair of marine direct current electric wire netting insulation monitoring device analog load screen can provide debugging and functional test environment for insulation monitoring device.
Description
Technical Field
The utility model relates to an insulating monitoring field of marine DC electric wire netting, it is experimental that the key is used for the accurate positioning function of marine DC electric wire netting insulation monitoring device equipment debugging and trouble branch road.
Background
With the development of marine power grids, the correctness, reliability and safety of warship equipment operational use performance become more and more important. The ship power distribution network is different from land power utilization, and due to the fact that ship power grids constructed by ship equipment provided by different manufacturers are huge and complicated, customers do not suggest that direct-current power grid insulation monitoring device manufacturers repeatedly debug and perform performance inspection on ships on the spot, time and labor are wasted during actual joint debugging, and normal and safe use of other equipment is affected. Theoretical research shows that although the ship power grid structure is complicated in form, the difference is essentially the attribute difference of the power load, and the power load has resistive load, inductive load and resistive load; therefore, representative types of power loads can be selected according to the actual service condition of the ship power grid to carry out in-plant debugging and performance inspection on the insulation monitoring device, the ex-factory qualification rate of equipment is improved, and the networking and debugging period of the equipment on the ship is shortened.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned not enough that exists at present, the utility model provides a marine direct current electric wire netting insulation monitoring devices simulated load screen can provide debugging and functional test environment for insulation monitoring devices.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a marine direct current electric wire netting insulation monitoring devices simulation load screen which characterized in that: the simulation load screen of the marine direct-current power grid insulation monitoring device comprises a cabinet body, a control loop, a simulation load loop, a measuring part and a state display part; the cabinet body comprises a base, a door plate, a vertical mounting strip and a mounting plate; the control circuit comprises an emergency stop button, a miniature circuit breaker, an intermediate relay, a transformer and a single-phase rectifier; the analog load loop comprises a direct current sensor, a binding post, a floating copper bar and an analog load RC; the measuring part comprises a current divider, a wiring terminal and a circular electric connector; the state display part comprises a signal indicator lamp, a current meter and a voltage meter.
RC: resistance Capacitance, Chinese definition: a resistor and a capacitor; resistive/capacitive loads on the grid are simulated.
According to the utility model discloses an aspect, the cabinet body still includes the chamber door, the chamber door both sides are provided with hinge and lock respectively, the chamber door passes through the hinge and links to each other with the cabinet body, be provided with the shutter on the chamber door.
According to the utility model discloses an aspect, be provided with binding post installing support and miniature circuit breaker installing support on the vertical mounting bar, install binding post row on the binding post installing support, install the fuse on the miniature circuit breaker installing support.
According to the utility model discloses an aspect, the cabinet body still includes the eyebrow roof beam and sets up the rings on the eyebrow roof beam.
According to an aspect of the utility model, still be provided with load screen lock and house brand on the door plant.
According to the utility model discloses an aspect, still be provided with shunt, auxiliary relay, screw formula binding post, single phase rectifier, transformer and insulator in the load screen.
According to one aspect of the present invention, the dummy load circuit includes a dc sensor, a terminal, a floating copper bar and a dummy load RC; the installation plate is provided with a wiring groove, the direct current sensor is of a through structure, the wire penetrates through the direct current sensor and is connected to one of two binding posts of a single simulation load loop, and after simulation RC, the wire is connected with the floating copper bar through the other binding post.
The utility model discloses the advantage of implementing:
the utility model provides a simulation load screen of a marine direct current power grid insulation monitoring device, which comprises a cabinet body, a control loop, a simulation load loop, a measuring part and a state display part; the cabinet body comprises a base, a door plate, a vertical mounting strip and a mounting plate; the control circuit comprises an emergency stop button, a miniature circuit breaker, an intermediate relay, a transformer and a single-phase rectifier; the analog load loop comprises a direct current sensor, a binding post, a floating copper bar and an analog load RC; the measuring part comprises a current divider, a wiring terminal and a circular electric connector; the state display part comprises a signal indicator lamp, a current meter and a voltage meter. The utility model provides a pair of marine direct current electric wire netting insulation monitoring device analog load screen can provide debugging and functional test environment for insulation monitoring device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a simulated load screen of a marine dc grid insulation monitoring device according to the present invention;
fig. 2 is a rear view of a simulated load screen of the insulation monitoring device for the marine direct-current power grid according to the present invention;
fig. 3 is a schematic view of the arrangement of the micro-broken load screen of the insulation monitoring device for the marine dc grid according to the present invention;
fig. 4 is a schematic view of a load circuit layout of a simulated load screen of the insulation monitoring device for the marine dc power grid according to the present invention;
fig. 5 is a schematic view showing a local enlargement of a load circuit of a load panel according to the present invention;
fig. 6 is a diagram (example) of a ship dc power grid system according to the present invention;
FIG. 7 is an electrical schematic diagram of a marine DC power grid insulation monitoring simulation load screen (I-section bus example).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a marine direct current electric wire netting insulation monitoring devices simulation load screen which characterized in that: the simulation load screen of the marine direct-current power grid insulation monitoring device comprises a cabinet body, a control loop, a simulation load loop, a measuring part and a state display part; the cabinet body comprises a base 5, a door plate 4, a vertical mounting strip 20 and a mounting plate 28; the control loop comprises an emergency stop button 8, a miniature circuit breaker, an intermediate relay 31, a transformer 34 and a single-phase rectifier 33; the analog load loop comprises a direct current sensor 27, a binding post 39, a floating copper bar 36 and an analog load RC; the measuring portion includes a shunt 30, a post and a circular electrical connector 18; the status display part comprises a signal indicator lamp 9, an ammeter 7 and a voltmeter 6.
In the figure, 10 is a main switch, a bus coupler switch and a bridging switch of a corresponding section of bus, 14: a corresponding branch load switch (15 paths) under the I bus; 15: a corresponding branch load switch (15 paths) under the II bus; 16: a corresponding branch load switch (15 paths) under the III bus; 17: and the load switch (15 paths) of the corresponding branch circuit under the IV bus.
In this embodiment, the cabinet body further includes a box door 19, a hinge 3 and a door lock 11 are respectively disposed on two sides of the box door 19, the box door is connected to the cabinet body through the hinge 3, and a blind 191 is disposed on the box door 19.
In this embodiment, be provided with binding post installing support 22 and miniature circuit breaker installing support 21 on the vertical mounting strip, install binding post row 23 on the binding post installing support 22, install fuse 24 on the miniature circuit breaker installing support 21.
In this embodiment, the cabinet body further comprises a eyebrow beam 2 and a hanging ring 1 arranged on the eyebrow beam 2.
In this embodiment, the door panel 28 is further provided with a load lock and a brand.
In the present embodiment, a shunt 30, an intermediate relay 31, a screw terminal 32, a single-phase rectifier 33, a transformer 34, and an insulator 35 are further disposed in the load panel.
In this embodiment, the analog load circuit includes a dc sensor 27, a terminal, a floating copper bar and an analog load RC; the mounting plate 28 is provided with a wiring groove 26, the direct current sensor 27 is of a through structure, and the wire 37 passes through the direct current sensor 27 and is connected to one of two binding posts of a single analog load loop, and after passing through the analog RC, the wire is connected with the floating copper bar 36 through the other binding post.
The utility model discloses the circuit in the main components and parts inventory see table 1 below.
Table 1 section i bus components list.
Note: 1. the components in the table are only a list of I-section buses and load branch circuit components thereof;
2. the components and parts adopted in the circuit of the utility model are commercial products.
The load screen cabinet body and the mounting bracket provide safety protection and an assembly carrier for operation and use, the load screen cabinet body can isolate an operator from an internal electrified part in space under the power-on state, personal safety of a user is protected, and the specific mounting bracket provides an effective supporting point for assembly of the internal miniature circuit breaker.
The internal components and parts of load screen are separately arranged load switch and other components and parts of load branch, the front part is load switch, the rear part is load branch main body form, and the space between the front mounting bracket and the rear terminal post is reserved for the crocodile clip of the user to be used for hanging the resistance test debugging at the tail part of the rear terminal post.
Load branch circuits formed by components on the rear mounting plate are in one-to-one correspondence with the space positions of the front miniature circuit breakers in a mirror image state basically, wiring of internal cables is saved, and the rear door is opened, so that maintenance and overhaul are convenient.
The ship ground (floating ground) copper bar below the rear mounting plate represents the 'ground' on the ship in an image mode, and a sufficient and effective grounding point is provided for terminal wiring of each load branch.
The wiring terminal row on the mounting bracket below the front part provides a concentrated wiring point for wiring outside the screen in the screen, and is convenient for construction wiring, maintenance and unified management.
The current and voltage value of each section of bus power grid in operation can be monitored on line in real time by the current voltmeter on the left screen upper door plate, so that equipment debugging personnel can conveniently master the power grid state and acquire and calculate related parameters.
The door plant is provided with emergency button on the left screen, has strengthened the security that the load screen used.
The panel of left, middle, right screen below installation electric connector aircraft plug female head and terminal adopts detachable structural design, reserves the usage space for the wiring demand that brings because of product function design upgrading in the future.
Well screen and right screen are female head and terminal of aviation plug on the aspect board down, lead to the positive below position of load screen with relevant data parameter wiring point in the screen, the wiring flow when having simplified operating personnel test, and the cable suspends in the air when also avoiding the wiring, ensures the clean and tidy of debugging environment, has improved factor of safety.
The analog power grid ground resistance capacitor has the advantages that the specification parameters, the number and the combination form of the analog power grid ground resistance capacitor can flexibly display different attribute load branch types, abundant test cases are provided for debugging and performance tests of the insulation monitoring device, and the analog power grid ground resistance capacitor can be repeatedly used.
The utility model discloses the advantage of implementing:
the utility model provides a simulation load screen of a marine direct current power grid insulation monitoring device, which comprises a cabinet body, a control loop, a simulation load loop, a measuring part and a state display part; the cabinet body comprises a base, a door plate, a vertical mounting strip and a mounting plate; the control circuit comprises an emergency stop button, a miniature circuit breaker, an intermediate relay, a transformer and a single-phase rectifier; the analog load loop comprises a direct current sensor, a binding post, a floating copper bar and an analog load RC; the measuring part comprises a current divider, a wiring terminal and a circular electric connector; the state display part comprises a signal indicator lamp, a current meter and a voltage meter. And a debugging and functional test environment is provided for the insulation monitoring device.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a marine direct current electric wire netting insulation monitoring devices simulation load screen which characterized in that: the simulation load screen of the marine direct-current power grid insulation monitoring device comprises a cabinet body, a control loop, a simulation load loop, a measuring part and a state display part; the cabinet body comprises a base, a door plate, a vertical mounting strip and a mounting plate; the control circuit comprises an emergency stop button, a miniature circuit breaker, an intermediate relay, a transformer and a single-phase rectifier; the analog load loop comprises a direct current sensor, a binding post, a floating copper bar and an analog load RC; the measuring part comprises a current divider, a wiring terminal and a circular electric connector; the state display part comprises a signal indicator lamp, a current meter and a voltage meter.
2. The marine direct current grid insulation monitoring device simulation load screen of claim 1, characterized in that: the cabinet body still includes the chamber door, the chamber door both sides are provided with hinge and lock respectively, the chamber door passes through the hinge and links to each other with the cabinet body, be provided with the shutter on the chamber door.
3. The marine direct current grid insulation monitoring device simulation load screen of claim 2, characterized in that: the novel miniature circuit breaker is characterized in that a wiring terminal mounting bracket and a miniature circuit breaker mounting bracket are arranged on the vertical mounting strip, a wiring terminal row is mounted on the wiring terminal mounting bracket, and a fuse is mounted on the miniature circuit breaker mounting bracket.
4. The marine direct current grid insulation monitoring device simulation load screen of claim 3, characterized in that: the cabinet body still includes the eyebrow roof beam and sets up the rings on the eyebrow roof beam.
5. The marine direct current power grid insulation monitoring device simulation load screen of claim 4, characterized in that: and the door plate is also provided with a load screen door lock and a brand.
6. The marine direct current grid insulation monitoring device simulation load screen of claim 5, characterized in that: the load screen is also internally provided with a shunt, an intermediate relay, a screw type wiring terminal, a single-phase rectifier, a transformer and an insulator.
7. The marine direct current grid insulation monitoring device simulation load screen of claim 6, characterized in that: the analog load loop comprises a direct current sensor, a binding post, a floating copper bar and an analog load RC; the mounting plate is provided with a wiring groove; the direct current sensor is of a through structure, a lead penetrates through the direct current sensor, the lead is connected to one of two binding posts of a single simulation load loop, and after the simulation RC, the other binding post is connected with the floating copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523659.9U CN214041613U (en) | 2020-11-04 | 2020-11-04 | Analog load screen of marine direct current power grid insulation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022523659.9U CN214041613U (en) | 2020-11-04 | 2020-11-04 | Analog load screen of marine direct current power grid insulation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214041613U true CN214041613U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022523659.9U Active CN214041613U (en) | 2020-11-04 | 2020-11-04 | Analog load screen of marine direct current power grid insulation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214041613U (en) |
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2020
- 2020-11-04 CN CN202022523659.9U patent/CN214041613U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Analog load screen of marine DC power network insulation monitoring device Effective date of registration: 20230222 Granted publication date: 20210824 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Songjiang sub branch Pledgor: SHANGHAI KEHAI HUATAI SHIP ELECTRIC CO.,LTD. Registration number: Y2023310000039 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |