CN203067103U - Control cabinet capable of controlling double-frequency unit - Google Patents
Control cabinet capable of controlling double-frequency unit Download PDFInfo
- Publication number
- CN203067103U CN203067103U CN2012207431086U CN201220743108U CN203067103U CN 203067103 U CN203067103 U CN 203067103U CN 2012207431086 U CN2012207431086 U CN 2012207431086U CN 201220743108 U CN201220743108 U CN 201220743108U CN 203067103 U CN203067103 U CN 203067103U
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- China
- Prior art keywords
- double frequency
- control
- diesel engine
- frequency unit
- control box
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Provided is a control cabinet capable of controlling a double-frequency unit. The control cabinet comprises a double-frequency switching module and a rapid alarm module which are in circuit connection. The double-frequency switching module comprises a double-frequency change-over switch, and further comprises an adjustable potentiometer arranged in an original diesel engine control cabinet and in circuit connection with a diesel engine speed regulation plate. The double-frequency change-over switch is provided with 8 interfaces, a first interface, a second interface, a third interface, a fourth interface and a fifth interface of the double-frequency change-over switch are in circuit connection with an automatic pressure regulating plate in a generator, and a sixth interface, a seventh interface and an eighth interface of the double-frequency change-over switch are in circuit connection with transfer contacts in the diesel engine control cabinet. The control cabinet capable of controlling the double-frequency unit can effectively carry out generator set double frequency switching operation, and is easy to operate and use and high in reliability.
Description
Technical field
The utility model relates to a kind of control box of controlling the double frequency unit, is used for peculiar to vessel or the land occasion that needs dual frequency power supplies.
Background technique
Except national grid provided power frequency AC, at some special occasions, as the test place, needs such as harbour platform used the power supply of 50Hz and 60Hz to satisfy the requirement of different frequency equipment.
In shipyard dock work occasion in the past, often be equipped with a 50Hz generator set and a 60Hz generator set simultaneously, when which kind of operating mode of needs, just select corresponding generator set for use.
The so-called double-frequency generator group of employing is also arranged, but its operation switching is extremely loaded down with trivial details, needs the wiring of change generator, and need carry out multinomial handover operation.
There are following several defectives in existing double frequency unit control box:
1. double frequency needs to revise generator wiring and setting before switching.
2. diverter switch is numerous, and operating procedure is loaded down with trivial details, switches failure easily.
The model utility content
A kind of control box of controlling the double frequency unit that the utility model provides provides a kind of and can effectively carry out generator set double frequency switchover operation and operate use simply, the double frequency unit control box that reliability is high.
In order to achieve the above object, the utility model provides a kind of control box of controlling the double frequency unit, and this control box comprises double frequency handover module and the rotating speed alarm module that circuit connects.
Described double frequency handover module comprises the double frequency throw over switch, also comprise to be arranged in original Diesel Engine Control case, and circuit connects the adjustable potentiometer of diesel engine speed regulation plate.
Described double frequency throw over switch has 8 interfaces, and 5 interface 1～5 circuit of this double frequency throw over switch are connected to the automatic Regulation plate in the generator, and 3 interface 6～8 circuit of the residue of this double frequency throw over switch are connected to the changeover contact in the Diesel Engine Control case.
Described rotating speed alarm module is arranged in original Diesel Engine Control case, this rotating speed alarm module comprises 50Hz hypervelocity plate and 50Hz change-over panel, and 60Hz hypervelocity plate and 60Hz change-over panel, described 50Hz hypervelocity plate and 60Hz hypervelocity plate circuit respectively are connected described speed adjusting plate, 50Hz change-over panel circuit connects 50Hz hypervelocity plate, 60Hz change-over panel circuit connects 60Hz hypervelocity plate, and the rotating speed warning switching signal of 50Hz change-over panel and 60Hz change-over panel is drawn out to the changeover contact in the Diesel Engine Control case.
With the rotating speed warning switching signal in the Diesel Engine Control case and speed adjusting plate frequency conversion signal and connect, be drawn out to the changeover contact in the Diesel Engine Control case simultaneously.
On the control box of described control double frequency unit voltmeter, ammeter and frequency meter are set also.
The control box of described control double frequency unit also comprises the three-phase voltage throw over switch, and its circuit connects voltmeter, frequency meter, speed adjusting plate, main switch and generator motor.
The control box of described control double frequency unit also comprises the three phase circuit throw over switch, and its circuit connects ammeter and speed adjusting plate.
The utility model is simple in structure, and volume is little, operates easy to usely, easy to maintenance, and switchover operation is reliable.
Description of drawings
Fig. 1 is a kind of control principle figure that controls the control box of double frequency unit that the utility model provides;
Fig. 2 is a kind of interface schema of controlling the control box of double frequency unit that the utility model provides;
Fig. 3 is the schematic representation of rotating speed alarm module.
Embodiment
Following according to Fig. 1～Fig. 3, specify preferred embodiment of the present utility model.
A kind of control box of controlling the double frequency unit that the utility model provides comprises double frequency handover module and rotating speed alarm module that circuit connects.
Described double frequency handover module comprises double frequency throw over switch SA3, as shown in Figure 1, this double frequency throw over switch SA3 has 8 interfaces, as shown in Figure 2,5 interface 1～5 circuit of this double frequency throw over switch SA3 are connected to the automatic Regulation plate AVR in the generator, and 3 interface 6～8 circuit of the residue of this double frequency throw over switch SA3 are connected to the changeover contact A BC in the Diesel Engine Control case.
The model of this double frequency throw over switch SA3 adopts LW39B-16R44/4C-BOBk, and it is as shown in the table that it connects table.
Described double frequency handover module also comprises and is arranged in original Diesel Engine Control case, and circuit connects the adjustable potentiometer CW of diesel engine speed regulation plate W, change the resistance of input speed adjusting plate W by the resistance that changes potentiometer CW, make speed adjusting plate W change output frequency, thereby make speed adjusting plate W realize diesel engine 50Hz, the 60Hz frequency is switched.
Described rotating speed alarm module is arranged in original Diesel Engine Control case, as shown in Figure 3, this rotating speed alarm module comprises 50Hz hypervelocity plate S1 and 50Hz change-over panel T1, and 60Hz hypervelocity plate S2 and 60Hz change-over panel T2, described 50Hz hypervelocity plate S1 and 60Hz hypervelocity plate S2 circuit respectively are connected described speed adjusting plate W, 50Hz change-over panel T1 circuit connects 50Hz hypervelocity plate S1,60Hz change-over panel T2 circuit connects 60Hz hypervelocity plate S2, the rotating speed warning switching signal of 50Hz change-over panel T1 and 60Hz change-over panel T2 is drawn out to the changeover contact ABC in the Diesel Engine Control case, speed probe on the diesel engine sends to speed adjusting plate W with tach signal, if under the 50Hz situation, then speed adjusting plate W sends to overspeed signal 50Hz hypervelocity plate S1 again, behind 50Hz change-over panel T1, is sent to changeover contact ABC, if under 60 Hz situations, then speed adjusting plate W sends to overspeed signal 60Hz hypervelocity plate S2 again, behind 60Hz change-over panel T2, is sent to changeover contact ABC, realize diesel engine 50Hz, the warning of different rotating speeds during 60Hz.
With the rotating speed warning switching signal in the Diesel Engine Control case and speed adjusting plate frequency conversion signal and connect, be drawn out to the changeover contact ABC in the Diesel Engine Control case simultaneously.
Voltmeter V, ammeter A and frequency meter HZ also are set on the control box of described control double frequency unit.
As shown in Figure 1, the control box of described control double frequency unit also comprises three-phase voltage throw over switch SA1, its circuit connects voltmeter V, frequency meter HZ, speed adjusting plate W, main switch Q and generator motor G, the model of this three-phase voltage throw over switch SA1 adopts LW39B-16H, and it is as shown in the table that it connects table.
As shown in Figure 1, the control box of described control double frequency unit also comprises three phase circuit throw over switch SA2, and its circuit connects ammeter A and speed adjusting plate W, and the model of this three phase circuit throw over switch SA2 adopts LW39B-16H, and it is as shown in the table that it connects table.
Double frequency throw over switch SA3 is when changing, by the changeover contact ABC on the Diesel Engine Control case, the diesel engine speed alarming value is adjusted automatically according to frequency is different, all identical under other alarm point (as temperature, pressure etc.) double frequency state, report to the police and utilize original Diesel Engine Control case, so namely reduced the electric loop of double frequency control box, taken full advantage of all functions of original Diesel Engine Control case again, rate of fault and financial cost also reduce greatly, and practicability is also strengthened.
Attention: double frequency switches and must carry out under outage state.Under outage state; when the frequency-changeover switch of double frequency unit control box is forwarded to 50Hz; by inner switching of Diesel Engine Control case the diesel engine speed regulation board status is selected to switch to 50Hz; simultaneously generator automatic Regulation board status is also switched to 50Hz; set state is ready, can move under the 50Hz operating mode.When double frequency control box frequency-changeover switch is forwarded to 60Hz, by the inner double-throw contact of Diesel Engine Control case the diesel engine speed regulation board status is selected to switch to 60Hz, simultaneously newly-increased 60Hz hypervelocity plate is switched into Diesel Engine Control case alarm circuit, this moment, generator automatic Regulation board status also switched to 60Hz, set state is ready, can move under the 60Hz operating mode.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (8)
1. a control box of controlling the double frequency unit is characterized in that, this control box comprises double frequency handover module and the rotating speed alarm module that circuit connects.
2. the control box of control double frequency unit as claimed in claim 1, it is characterized in that, described double frequency handover module comprises double frequency throw over switch (SA3), also comprise to be arranged in original Diesel Engine Control case, and circuit connects the adjustable potentiometer (CW) of diesel engine speed regulation plate (W).
3. the control box of control double frequency unit as claimed in claim 2, it is characterized in that, described double frequency throw over switch (SA3) has 8 interfaces, 5 interface 1～5 circuit of this double frequency throw over switch (SA3) are connected to the automatic Regulation plate (AVR) in the generator, and 3 interface 6～8 circuit of the residue of this double frequency throw over switch (SA3) are connected to the changeover contact (A BC) in the Diesel Engine Control case.
4. the control box of control double frequency unit as claimed in claim 3, it is characterized in that, described rotating speed alarm module is arranged in original Diesel Engine Control case, this rotating speed alarm module comprises 50Hz hypervelocity plate (S1) and 50Hz change-over panel (T1), and 60Hz hypervelocity plate (S2) and 60Hz change-over panel (T2), described 50Hz hypervelocity plate (S1) and 60Hz exceed the speed limit plate (S2) respectively circuit be connected described speed adjusting plate (W), 50Hz change-over panel (T1) circuit connects 50Hz hypervelocity plate (S1), 60Hz change-over panel (T2) circuit connects 60Hz hypervelocity plate (S2), and the rotating speed warning switching signal of 50Hz change-over panel (T1) and 60Hz change-over panel (T2) is drawn out to the changeover contact (ABC) in the Diesel Engine Control case.
5. the control box of control double frequency unit as claimed in claim 4 is characterized in that, with the rotating speed warning switching signal in the Diesel Engine Control case and speed adjusting plate frequency conversion signal and connect, is drawn out to the changeover contact (ABC) in the Diesel Engine Control case simultaneously.
6. the control box of control double frequency unit as claimed in claim 5 is characterized in that, voltmeter (V), ammeter (A) and frequency meter (HZ) also are set on the control box of described control double frequency unit.
7. the control box of control double frequency unit as claimed in claim 6, it is characterized in that, the control box of described control double frequency unit also comprises three-phase voltage throw over switch (SA1), its circuit connects voltmeter (V), frequency meter (HZ), speed adjusting plate (W), main switch (Q) and generator motor (G).
8. the control box of control double frequency unit as claimed in claim 7 is characterized in that, the control box of described control double frequency unit also comprises three phase circuit throw over switch (SA2), and its circuit connects ammeter (A) and speed adjusting plate (W).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207431086U CN203067103U (en) | 2012-12-29 | 2012-12-29 | Control cabinet capable of controlling double-frequency unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207431086U CN203067103U (en) | 2012-12-29 | 2012-12-29 | Control cabinet capable of controlling double-frequency unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067103U true CN203067103U (en) | 2013-07-17 |
Family
ID=48765909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207431086U Expired - Lifetime CN203067103U (en) | 2012-12-29 | 2012-12-29 | Control cabinet capable of controlling double-frequency unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401387A (en) * | 2019-08-13 | 2019-11-01 | 福建凯威斯发电机有限公司 | A kind of bifrequency switching generator |
-
2012
- 2012-12-29 CN CN2012207431086U patent/CN203067103U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401387A (en) * | 2019-08-13 | 2019-11-01 | 福建凯威斯发电机有限公司 | A kind of bifrequency switching generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |