CN213213353U - Intelligent protection device for mining explosion-proof vacuum electromagnetic starter - Google Patents
Intelligent protection device for mining explosion-proof vacuum electromagnetic starter Download PDFInfo
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- CN213213353U CN213213353U CN202021380070.1U CN202021380070U CN213213353U CN 213213353 U CN213213353 U CN 213213353U CN 202021380070 U CN202021380070 U CN 202021380070U CN 213213353 U CN213213353 U CN 213213353U
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- device body
- electromagnetic starter
- vacuum electromagnetic
- control panel
- protection device
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- 238000005065 mining Methods 0.000 title claims abstract description 18
- 239000007858 starting material Substances 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 2
- 230000001012 protector Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 206010063659 Aversion Diseases 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses a mining flame-proof type vacuum electromagnetic starter intelligence protection device in motor intelligence protection field, the device comprises a device body, device body up end is provided with the sign fence, the device body back is provided with the installation piece, the device body openly is provided with control panel, control panel openly is provided with binding post panel, power button, display screen, confirms the button, leaks examination button, aversion button, the button that resets. The utility model discloses based on protector in the current QBZ-80 flame-proof type vacuum electromagnetic starter upgrades the improvement for JDB-80A motor comprehensive protector, makes switch function more perfect after its upgrading, and the action value is more accurate, adjusts through liquid crystal operation, can charge automatically and can the automatic shutdown charge after being full of under the condition that has external power supply, still possesses the experimental self-checking function of simulation trouble.
Description
Technical Field
The utility model relates to a motor intelligent protection field specifically is a mining flame-proof type vacuum electromagnetic starter intelligence protection device.
Background
China is a resource big country, coal mine resources in China are abundant, large-scale equipment such as high-power coal mining and transportation machinery can be used in the mining of coal mine resources, the power supply system of the original 660V mining area cannot meet the requirements of production development, for this reason, the coal department proposes to increase the power supply voltage of the mining area from 660V to 1140V and obtain the national approval, and the original DQZBH-300/1140 type is reformed into a QJZ-80 type flame-proof and intrinsic safety type vacuum electromagnetic starter for mining, and the flame-proof and intrinsic safety type vacuum electromagnetic starter is suitable for underground coal mines with explosive gases and coal dust. The method customizes the requirement of coal mine modernization management on real-time monitoring of the operation condition of coal mine equipment, particularly fully mechanized mining equipment, requires a starter product to have high reliability and easy maintainability, and carries out network management on the coal mine equipment.
A protector in a QBZ-80 explosion-proof vacuum electromagnetic starter originally used in a mine is a JDB-80A motor comprehensive protector, is manufactured by adopting discrete elements, has no protection state indication and no protection parameter adjustment (analog adjustment) function, has poor anti-interference performance, has the advantages of difficult matching of a protection parameter setting value of the analog adjustment and a rated current value of a protected motor, poor protection reliability and incapability of effectively and reliably protecting equipment and personnel when equipment fails.
Therefore, the utility model provides a mining flame-proof type vacuum electromagnetic starter intelligence protection device solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mining flame-proof type vacuum electromagnetic starter intelligence protection device solves the problem that proposes in the above-mentioned background art as far as possible.
In order to achieve the above object, the utility model provides a following technical scheme:
the intelligent protection device comprises a device body, wherein an identification fence is arranged on the upper end face of the device body, an installation block is arranged on the back face of the device body, a control panel is arranged on the front face of the device body, and a wiring terminal panel, a power supply key, a display screen, a determination key, a missing test key, a shift key and a reset key are arranged on the front face of the control panel.
Preferably, the two sides of the device body are provided with heat dissipation windows communicated with the inner cavity, a filter screen structure is arranged in the heat dissipation windows, and the filter screen structure is a nano filter screen.
Preferably, the installation block is provided with a threaded hole in a penetrating manner, and the installation block fixedly installs the device body with the outside through the bolt matched with the threaded hole.
Preferably, the control panel is connected with the device body through a sealing gasket, and the control panel is detachably connected with the front side of the device body through a bolt.
Preferably, the terminal panel consists of five groups of terminals.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses based on protector in the current QBZ-80 flame-proof type vacuum electromagnetic starter upgrades the improvement for JDB-80A motor integrated protector, it makes switch function more perfect after upgrading, the action value is more accurate, adjust through liquid crystal operation, under the condition that has external power supply, the device can be according to the charging of the condition automatic control battery of its inside lithium cell, can the automatic shutdown charge after being full of, so that protect setting and information inquiry etc. under the condition of no system power, power supply time is greater than 60 minutes, possess the experimental self-checking function of simulation fault, 485 communication output circuit is essential safety type, 485A, need not the power just can the autonomous working from the return circuit when two communication signal lines of B use, go into the qualified intrinsic safety type substation of inspection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced 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 schematic view of the three-dimensional visual angle structure of the appearance of the present invention;
FIG. 2 is a schematic diagram of the wiring principle of the present invention;
fig. 3 is a circuit connection diagram of the connection terminal of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-device body, 101-heat dissipation window, 2-identification bar, 3-mounting block, 4-control panel, 401-sealing pad, 402-bolt, 5-wiring terminal panel, 6-power key, 7-display screen, 8-determination key, 9-omission key, 10-shift key and 11-reset key.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Please refer to fig. 1-3, an intelligent protection device for a mining explosion-proof vacuum electromagnetic starter comprises a device body 1, an identification fence 2 is arranged on the upper end surface of the device body 1, an installation block 3 is arranged on the back surface of the device body 1, a control panel 4 is arranged on the front surface of the device body 1, and a wiring terminal panel 5, a power supply key 6, a display screen 7, a determination key 8, a trial omission key 9, a shift key 10 and a reset key 11 are arranged on the front surface of the control panel 4.
Wherein, the both sides of device body 1 are provided with the heat dissipation window 101 of intercommunication inner chamber, are equipped with the filter screen structure in the heat dissipation window 101, and the filter screen structure is the nanometer filter screen. The heat dissipation window 101 is convenient for dissipating heat generated during the operation of the device body 1, and prevents the normal operation of the device body 1 from being affected by overheating.
Wherein, the installation piece 3 runs through and is provided with the screw hole, and the installation piece 3 passes through bolt cooperation screw hole with device body 1 and external fixed mounting.
Wherein, the control panel 4 is connected with the device body 1 by a sealing gasket 401, and the control panel 4 is detachably connected with the front surface of the device body 1 by a bolt 402. The detachable control panel 4 can be opened through the bolt 402 in the subsequent process, so that the parts of the inner cavity of the device body 1 can be maintained and repaired, and the sealing gasket 401 can increase the sealing performance of the whole connection.
Wherein, the wiring terminal panel 5 is composed of five groups of wiring terminals. 3, 4, 9, 33 (two terminals of 660V and 1140V). The description of the terminals is shown in the wiring diagrams of fig. 2 and 3, the No. 3 and No. 4 terminals are a pair of contacts inside the protector, and the No. 9 wire is connected with the No. 9 terminal on the transformer. The line 33 is a leak detection terminal, and is connected to any phase of the load terminal U, V, W through a pair of normally closed contacts KM3 of the main contactor and a pair of normally closed contacts ZJ2 of the intermediate relay. The difference between the two terminals of the No. 33 wire is: when the rated voltage of the device is 660V, the device is connected to a 660V terminal, and when the rated voltage is 1140V, the device is connected to a 1140V terminal.
As the description attached figure 1 shows, the utility model discloses with device body 1 utilize installation piece 3 through bolt cooperation screw hole with device body 1 and external fixed mounting, the dismantlement in the later stage of also being convenient for simultaneously. The identification bar 2 on the upper end of the device body 1 is convenient for users to know the model and specification parameters of the device body 1. And the heat radiation window 101 is convenient for radiating the heat generated when the device body 1 operates when in use, and prevents the normal operation of the device body 1 from being influenced by overheating. In addition, the detachable control panel 4 can be opened through the bolt 402 in the subsequent process, so that the parts in the inner cavity of the device body 1 can be maintained and repaired.
In addition, as shown in the accompanying drawings 2 and 3 of the specification, three current transformers are arranged at the bottom end of the protector, three copper bars penetrate through coils of the current transformers, one end of each copper bar is connected with a main contact of the vacuum contactor, the other end of each copper bar is connected with a load connection terminal U, V, W, and the protector is provided with 5 control line connection terminals which are respectively 3, 4, 9 and 33 (divided into two terminals of 660V and 1140V). Their connections are shown, 3 and 4 terminals are a pair of contacts inside the protector, and 9 line is connected to 9 terminal on the transformer. The line 33 is a leak detection terminal, and is connected to any phase of the load terminal U, V, W through a pair of normally closed contacts KM3 of the main contactor and a pair of normally closed contacts ZJ2 of the intermediate relay. The difference between the two terminals of the No. 33 wire is: when the rated voltage of the device is 660V, the device is connected to a 660V terminal, and when the rated voltage is 1140V, the device is connected to a 1140V terminal.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a mining flame-proof type vacuum electromagnetic starter intelligence protection device, includes device body (1), its characterized in that: the device is characterized in that an identification fence (2) is arranged on the upper end face of the device body (1), an installation block (3) is arranged on the back face of the device body (1), a control panel (4) is arranged on the front face of the device body (1), and a wiring terminal panel (5), a power supply key (6), a display screen (7), a determination key (8), an omission test key (9), a shift key (10) and a reset key (11) are arranged on the front face of the control panel (4).
2. The intelligent protection device for the mining explosion-proof vacuum electromagnetic starter according to claim 1, characterized in that: the device is characterized in that heat dissipation windows (101) communicated with the inner cavity are arranged on two sides of the device body (1), a filter screen structure is arranged in each heat dissipation window (101), and the filter screen structure is a nano filter screen.
3. The intelligent protection device for the mining explosion-proof vacuum electromagnetic starter according to claim 1, characterized in that: the installation block (3) penetrates through a threaded hole, and the installation block (3) is used for fixedly installing the device body (1) with the outside through the bolt matched with the threaded hole.
4. The intelligent protection device for the mining explosion-proof vacuum electromagnetic starter according to claim 1, characterized in that: the device is characterized in that a sealing gasket (401) is arranged on the connecting surface of the control panel (4) and the device body (1), and the control panel (4) is detachably connected with the front surface of the device body (1) through a bolt (402).
5. The intelligent protection device for the mining explosion-proof vacuum electromagnetic starter according to claim 1, characterized in that: the wiring terminal panel (5) is composed of five groups of wiring terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021380070.1U CN213213353U (en) | 2020-07-14 | 2020-07-14 | Intelligent protection device for mining explosion-proof vacuum electromagnetic starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021380070.1U CN213213353U (en) | 2020-07-14 | 2020-07-14 | Intelligent protection device for mining explosion-proof vacuum electromagnetic starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213213353U true CN213213353U (en) | 2021-05-14 |
Family
ID=75833387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021380070.1U Expired - Fee Related CN213213353U (en) | 2020-07-14 | 2020-07-14 | Intelligent protection device for mining explosion-proof vacuum electromagnetic starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213213353U (en) |
-
2020
- 2020-07-14 CN CN202021380070.1U patent/CN213213353U/en not_active Expired - Fee Related
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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: 20210514 |