CN211606401U - Flame-proof type vector frequency converter - Google Patents
Flame-proof type vector frequency converter Download PDFInfo
- Publication number
- CN211606401U CN211606401U CN202020717386.9U CN202020717386U CN211606401U CN 211606401 U CN211606401 U CN 211606401U CN 202020717386 U CN202020717386 U CN 202020717386U CN 211606401 U CN211606401 U CN 211606401U
- Authority
- CN
- China
- Prior art keywords
- protection device
- frequency converter
- flame
- box
- alarm
- 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
- 230000009471 action Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010892 electric spark Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Fire Alarms (AREA)
Abstract
The utility model discloses a flame-proof type vector converter, including box and vector converter body, the fixed inlet wire protection device that is provided with of one end of keeping away from the vector converter body in the box, the fixed outlet wire protection device that is provided with of one end of keeping away from the inlet wire protection device in the box, the fixed control module that is provided with of one end of keeping away from the outlet wire protection device in the box, the box external fixation is provided with alarm device, the input of vector converter body and inlet wire protection device's output electric connection, the output of vector converter body and outlet wire protection device's input electric connection, control module's input respectively with inlet wire protection device and outlet wire protection device's output electric connection, control module's output has alarm device's input electric connection. The utility model discloses a inlet wire protection device and the protection device that is qualified for the next round of competitions can avoid inlet wire end and leading-out terminal because the trouble is qualified for the next round of competitions the electric spark, have improved explosion-proof effect.
Description
Technical Field
The utility model relates to a converter technical field specifically is a flame-proof type vector converter.
Background
The basic idea of the vector frequency converter technology is to decompose the current of a motor into two currents and respectively control the excitation and the torque of the motor, so that an alternating current motor has the control characteristic similar to that of a direct current motor, the control characteristic of the alternating current motor is greatly improved, the vector frequency converter is the core in the vector frequency converter technology, the control of the motor is realized through the vector frequency converter, but in some special occasions (such as coal mines and the like) in a working area where explosion easily occurs, the vector frequency converter with the explosion-proof function is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flame-proof type vector converter to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flame-proof type vector converter, includes box and vector converter body, the fixed inlet wire protection device that is provided with of one end of keeping away from the vector converter body in the box, the fixed protection device that is qualified for the next round of competitions that is provided with of one end of keeping away from the inlet wire protection device in the box, the fixed control module that is provided with of one end of keeping away from the protection device that is qualified for the next round of competitions in the box, the box external fixation is provided with alarm device, the input of vector converter body and inlet wire protection device's output electric connection, the output of vector converter body and the input electric connection of the protection device that is qualified for the next round of competitions, control module's input respectively with inlet wire protection device and the output electric connection of the.
Preferably, the inlet wire protection device comprises an inlet wire discharging loop, an inlet wire contactor and an inlet wire contactor action detection circuit, and the inlet wire contactor is electrically connected with the inlet wire contactor action detection circuit.
Preferably, the outgoing line protection device comprises an outgoing line discharge circuit, an outgoing line contactor and an outgoing line contactor action detection circuit, and the outgoing line contactor is electrically connected with the outgoing line contactor action detection circuit.
Preferably, the control module comprises a signal input interface, a signal processing module and an alarm driving circuit, and the signal input interface, the signal processing module and the alarm driving circuit are electrically connected in sequence.
Preferably, the alarm device is an alarm lamp, and an input end of the alarm device is electrically connected with the alarm driving circuit.
Preferably, an inlet hole is formed in one end, far away from the alarm device, of the box body, a wire outlet hole is formed in one end, far away from the inlet hole, of the box body, a box door is hinged to one end, far away from the vector frequency converter body, of the box body, and a sealing strip is fixedly arranged at the contact position of the box body and the box door.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses be provided with control module, inlet wire discharge circuit and outlet wire discharge circuit, when the inlet wire end breaks down, inlet wire contactor action detection circuitry, signal processing module in signal input interface transmission control module is given with the signal, signal processing module carries out analysis processes to the signal, drive alarm device work through alarm drive circuit, through alarm device, inform the staff to handle, when the outlet terminal breaks down on the same reason, the outlet wire contactor breaks off, discharge through the outlet wire discharge circuit, protect faults such as short circuit, electric leakage of the motor of outlet terminal, avoid the production of electric spark, when the outlet terminal breaks down, the outlet wire contactor action detection circuitry of outlet terminal gives the signal transmission to control module, control module control alarm device starts, send out the trouble alarm;
2. the utility model discloses be provided with the box simultaneously, can keep apart device and external environment, reduce the contact of device and outside hazardous gas, improve explosion-proof effect, have simple structure, convenient to use, excellent in use effect's advantage.
Drawings
FIG. 1 is a schematic diagram of the internal structure of a flame-proof vector frequency converter of the present invention;
FIG. 2 is a schematic diagram of the flame-proof vector frequency converter system of the present invention;
fig. 3 is the utility model relates to a flame-proof type vector converter system connection schematic diagram.
In the figure: 100. a box body; 101. a vector frequency converter body; 102. a wire inlet protection device; 10201. an incoming line discharging loop; 10202. a wire inlet contactor; 10203. an incoming line contactor action detection circuit; 103. an outgoing line protection device; 10301. an outgoing line discharging loop; 10302. an outgoing line contactor; 10303. an outgoing line contactor action detection circuit; 104. a control module; 10401. a signal input interface; 10402. a signal processing module; 10403. an alarm driving circuit; 105. an alarm device; 106. a wire inlet hole; 107. and (7) a wire outlet hole.
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.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a flame-proof type vector converter, including box 100 and vector converter body 101, the inlet wire protection device 102 is installed through the bolt to the one end of keeping away from vector converter body 101 in the box 100, the protection device 103 that is qualified for the next round of competitions is installed through the bolt to the one end of keeping away from inlet wire protection device 102 in the box 100, the control module 104 is installed through the bolt to the one end of keeping away from protection device 103 that is qualified for the next round of competitions in the box 100, alarm device 105 is installed through the bolt outside the box 100, the input of vector converter body 101 and the output electric connection of inlet wire protection device 102, the output of vector converter body 101 and the input electric connection of protection device 103 that is qualified for the next round of competitions, the input of control module 104 respectively with the output electric connection of inlet wire protection device 102 and the protection device.
The incoming line protection device 102 includes an incoming line discharging circuit 10201, an incoming line contactor 10202 and an incoming line contactor action detection circuit 10203, the incoming line contactor 10202 is electrically connected with the incoming line contactor action detection circuit 10203, a linkage relation exists between the incoming line discharging circuit 10201 and the incoming line contactor 10202, and the incoming line contactor 10202 can be switched on when the incoming line discharging circuit 10201 is switched off.
The outlet protection device 103 includes an outlet discharging circuit 10301, an outlet contactor 10302 and an outlet contactor action detection circuit 10303, and the outlet contactor 10302 is electrically connected to the outlet contactor action detection circuit 10303.
The control module 104 includes a signal input interface 10401, a signal processing module 10402 and an alarm driving circuit 10403, the signal input interface 10401, the signal processing module 10402 and the alarm driving circuit 10403 are electrically connected in sequence, an interlocking relationship exists between the outgoing line discharging circuit 10301 and the incoming line contactor 10202, and when the outgoing line discharging circuit 10301 is disconnected, the incoming line contactor 10202 can be connected.
The alarm device 105 is an alarm lamp, and an input terminal of the alarm device 105 is electrically connected to the alarm driving circuit 10403.
An inlet hole 106 is formed in one end, far away from the alarm device 105, of the box body 100, an outlet hole 107 is formed in one end, far away from the inlet hole 106, of the box body 100, a box door is hinged to one end, far away from the vector frequency converter body 101, of the box body 100, and a sealing strip is installed at the contact position of the box body 100 and the box door through bolts.
The working principle is as follows: the utility model discloses during the use, inlet wire contactor 10202 provides electric power for the converter under the circumstances of the switch-on, inlet wire discharge circuit 10201 disconnection simultaneously, inlet wire contactor 10202 disconnection when breaking down, inlet wire discharge circuit 10201 plays the effect of protection, can prevent the production of electric spark, when inlet wire contactor 10202 disconnection, inlet wire contactor action detection circuit 10203, signal processing module 10402 in control module 104 is given with electric signal input interface 10401 transmission, signal processing module 10402 carries out analysis processes to the signal, through alarm drive circuit 10403 drive alarm device 105 work, through alarm device 105, inform the staff to handle, when the outlet terminal breaks down, outlet wire contactor 10302 disconnection, discharge through outlet wire discharge circuit 10301, protect faults such as the short circuit of the motor of outlet terminal, electric leakage, avoid the production of electric spark, when the outlet terminal broke down, outlet contactor action detection circuit 10303 of outlet terminal gave control module 104 with signal transmission, and control module 104 control alarm device 105 started, sent out the fault alarm, through installing box 100, can keep apart device and external environment, reduced device and outside hazardous gas's contact, improved explosion-proof effect, had simple structure, convenient to use, excellent in use effect's advantage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a flame-proof type vector converter, includes box (100) and vector converter body (101), its characterized in that: an incoming line protection device (102) is fixedly arranged at one end of the box body (100) far away from the vector frequency converter body (101), an outgoing line protection device (103) is fixedly arranged at one end of the box body (100) far away from the incoming line protection device (102), a control module (104) is fixedly arranged at one end of the box body (100) far away from the outgoing line protection device (103), an alarm device (105) is fixedly arranged outside the box body (100), the input end of the vector frequency converter body (101) is electrically connected with the output end of the incoming line protection device (102), the output end of the vector frequency converter body (101) is electrically connected with the input end of the outgoing line protection device (103), the input end of the control module (104) is respectively electrically connected with the output ends of the incoming line protection device (102) and the outgoing line protection device (103), the output end of the control module (104) is electrically connected with the input end of the alarm device (105).
2. The flame-proof vector frequency converter according to claim 1, characterized in that: the incoming line protection device (102) includes that the incoming line discharges return circuit (10201), incoming line contactor (10202) and incoming line contactor action detection circuitry (10203) electric connection.
3. The flame-proof vector frequency converter according to claim 1, characterized in that: the outgoing line protection device (103) comprises an outgoing line discharge circuit (10301), an outgoing line contactor (10302) and an outgoing line contactor action detection circuit (10303), and the outgoing line contactor (10302) is electrically connected with the outgoing line contactor action detection circuit (10303).
4. The flame-proof vector frequency converter according to claim 1, characterized in that: the control module (104) comprises a signal input interface (10401), a signal processing module (10402) and an alarm driving circuit (10403), and the signal input interface (10401), the signal processing module (10402) and the alarm driving circuit (10403) are sequentially and electrically connected.
5. The flame-proof vector frequency converter according to claim 1, characterized in that: the alarm device (105) is an alarm lamp, and the input end of the alarm device (105) is electrically connected with the alarm driving circuit (10403).
6. The flame-proof vector frequency converter according to claim 1, characterized in that: an inlet wire hole (106) is formed in one end, far away from the alarm device (105), of the box body (100), an outlet wire hole (107) is formed in one end, far away from the inlet wire hole (106), of the box body (100), one end, far away from the vector frequency converter body (101), of the box body (100) is hinged to a box door, and a sealing strip is fixedly arranged at the contact position of the box body (100) and the box door.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020717386.9U CN211606401U (en) | 2020-04-30 | 2020-04-30 | Flame-proof type vector frequency converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020717386.9U CN211606401U (en) | 2020-04-30 | 2020-04-30 | Flame-proof type vector frequency converter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211606401U true CN211606401U (en) | 2020-09-29 |
Family
ID=72584729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020717386.9U Expired - Fee Related CN211606401U (en) | 2020-04-30 | 2020-04-30 | Flame-proof type vector frequency converter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211606401U (en) |
-
2020
- 2020-04-30 CN CN202020717386.9U patent/CN211606401U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107069668B (en) | Frequency converter fault protection device and frequency converter | |
CN211606401U (en) | Flame-proof type vector frequency converter | |
CN114203353A (en) | System and method for resisting strong magnetic field interference of inspection robot | |
CN217305435U (en) | High-voltage isolating switch state monitoring device based on drive motor current detection | |
CN219436859U (en) | Frequency converter | |
CN100583937C (en) | Communication system | |
CN212114103U (en) | Marine power connection box | |
CN212784739U (en) | Switching-on/off circuit, structure and feeder terminal | |
CN2272161Y (en) | Remote interphase short-circuit protection | |
CN213402875U (en) | Power supply switching device | |
CN219065556U (en) | AFCI current sampling device and AFCI system of photovoltaic inverter | |
CN219873231U (en) | Grounding device suitable for special reflux of urban rail transit | |
CN220776382U (en) | Electrical device and photovoltaic device | |
CN2165557Y (en) | Multifunctional protector for motor | |
CN215498258U (en) | Secondary harmonic elimination device of 10kV voltage system | |
CN214480339U (en) | Mining explosion-proof and intrinsic safety electromagnetic soft starter | |
CN213906301U (en) | Power supply lightning protection box for isolating switch of railway traction power supply contact network | |
CN215728591U (en) | Transformer withstand voltage testing device | |
CN203616622U (en) | Mine explosion-proof and intrinsically-safe type intelligent alarm vacuum switch | |
CN209088532U (en) | A kind of high current lithium battery protection circuit | |
CN211654734U (en) | Reclosing circuit breaker | |
CN219643432U (en) | Uninterrupted power supply is expanded with two bus connection devices of high voltage GIS and transformer substation | |
CN213377073U (en) | Meat grinder | |
CN210199260U (en) | Novel time characteristic testing device | |
CN220473614U (en) | Current detection protection circuit applied to high-power air compressor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 |