CN204290680U - The high voltage frequency converter that a kind of energy is moistureproof - Google Patents
The high voltage frequency converter that a kind of energy is moistureproof Download PDFInfo
- Publication number
- CN204290680U CN204290680U CN201420721694.3U CN201420721694U CN204290680U CN 204290680 U CN204290680 U CN 204290680U CN 201420721694 U CN201420721694 U CN 201420721694U CN 204290680 U CN204290680 U CN 204290680U
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Abstract
The utility model relates to a kind of high voltage frequency converter that can be moistureproof, it comprises cabinet, the top of cabinet sets out air port, air outlet is provided with blower fan, and be provided with in cabinet and its inner chamber is divided into upper and lower two-part orifice plate, bottom chamber is provided with electric heater, upper chamber offers the first air inlet, lower chambers offers the second air inlet, the first air inlet is provided with the first air door, the second air inlet is provided with the second air door; Wind chamber is established on cabinet top, wind chamber is offered the first air outlet and the second air outlet, the first air outlet is provided with the 3rd air door, and the second air outlet installs the 4th air door; Second air inlet connects intake stack, intake stack installs air dehumidifier, the air intake of intake stack is communicated with the cold-air vent of an air heat exchanger, and the second air outlet connects wind pipe, and wind pipe is communicated with the hot-air inlets of above-mentioned air heat exchanger.The utility model has the advantage that structure is simple, manipulation is convenient and moisture effect is good.
Description
Technical field
The utility model relates to high voltage converter field, the high voltage frequency converter that a kind of energy is moistureproof specifically.
Background technology
High voltage converter is widely used in industrial motor frequency control field, it generally comprises the transformer case, power cabinet, control cubicle and the input and output cabinet that arrange separately, also some high voltage converter adopts the structure of all-in-one, all-in-one is by transformer unit, power cell, and the functional unit such as control unit and input-output unit is integrated to be arranged in a cabinet.No matter be adopt split air conditioner or the high voltage converter of all-in-one machine structure, due to can heat be produced when its internal components works, in order to avoid heat accumulation causes in-cabinet temperature too high, cabinet generally offers air inlet and exhaust outlet, exhaust outlet installs blower fan, the high voltage converter of this kind of structure is adopted to there is a serious defect, when frequency converter is out of service, the cold air that moisture is carried in outside is drawn in cabinet by blower fan, hot-air in cabinet around device meets condensation knot, frequency converter internal transformer unit or power cell is caused to make moist, especially transformer, when transformer reduces by time of tide insulation, continue operation and can cause transformer grounding fault, Transformer Winding is caused to burn out.
Utility model content
The technical problems to be solved in the utility model is to provide the high voltage frequency converter that a kind of structure is simple, manipulation is convenient, moisture effect is good.
For solving the problems of the technologies described above, high voltage frequency converter that can be moistureproof of the present utility model comprises cabinet and is located at the frequency converter functional unit in cabinet, the top of cabinet sets out air port, air outlet is provided with blower fan, its design feature is laterally provided with an orifice plate in described cabinet and cabinet inner chamber is separated into upper chamber and lower chambers by this orifice plate, described frequency converter functional unit is arranged in upper chamber, bottom chamber is provided with electric heater, the bottom sidewall of upper chamber offers the first air inlet, the bottom sidewall of lower chambers offers the second air inlet, first air inlet is provided with the first air door, second air inlet is provided with the second air door, the top of described cabinet is provided with the wind chamber be communicated with air outlet, a wherein sidewall of wind chamber offers in the first air outlet, another opposing sidewalls and offer the second air outlet, first air outlet is provided with the 3rd air door, the second air outlet is provided with the 4th air door, described second air inlet is connected with intake stack, intake stack is provided with air dehumidifier, the air intake of intake stack is communicated with the cold-air vent of an air heat exchanger, described second air outlet is connected with wind pipe, and wind pipe is communicated with the hot-air inlets of above-mentioned air heat exchanger.
Adopt said structure, when high voltage converter normally works, the first air door and the 3rd air door are opened, and the second air door and the 4th air door are closed, and blower fan is opened, and is taken away by the heat in cabinet, avoids heat accumulation; When high voltage converter quits work, close the first air door and the 3rd air door, open the second air door, the 4th air door and electric heater, air in cabinet is heated, ensure temperature constant in cabinet, to avoid in cabinet the cooling of device surrounding air to form globule condensation phenomenon, thus avoid device and make moist.Air dehumidifier effectively can dehumidify to the air entered in cabinet, further avoid device to make moist, the heat that Absorbable rod discharges air in cabinet that arranges of air heat exchanger preheats being about to the air entered in cabinet, avoids thermal loss, improves energy utilization rate.
Described air dehumidifier comprises casing, two opposing sidewalls of casing offers the casing air inlet and casing air outlet that are connected with intake stack, layering in casing and interval is provided with multiple drawer for splendid attire solid hygroscopic material.Place solid hygroscopic material in drawer, can regularly replace, structure is simple, easy to operate.
Described air heat exchanger comprises housing, left tube sheet and right tube plate are installed in housing and housing cavity is divided into the left chamber of housing, housing intermediate cavity and the right chamber of housing by left and right tube sheet, the heat exchanger tube that many can be communicated with the left chamber of housing and the right chamber of housing is connected with between left tube sheet and right tube plate, hot-air inlets is offered in the wherein side of housing intermediate cavity, another opposite side offers hot air outlet, inlet of cold air is offered in left chamber to housing, and cold-air vent is offered in right chamber to housing.Adopt this kind of tube heat exchanger, structure is simple, realizes conveniently and good effect of heat exchange.
Described first air door, the second air door, the 3rd air door and the 4th air door are electric controlled door, and four electric controlled doors and blower fan, electric heater are connected on a control circuit jointly.
Described control circuit also comprises contactor, contactor is connected with high voltage converter switch formation first electricity consumption branch road, first air door and the 3rd air door series connection formation second electricity consumption branch road, second air door, the 4th air door series connection formation the 3rd electricity consumption branch road, blower fan and electric heater form the 4th electricity consumption branch road and the 5th electricity consumption branch road respectively, above-mentioned each electricity consumption branch circuit parallel connection, the normally opened contact of contactor is connected on the second electricity consumption branch road, and one of them normally-closed contact of contactor is connected on the 3rd electricity consumption branch road, another normally-closed contact is connected on the 5th electricity consumption branch road.The structure adopting circuit automatically to control, carries out coordinated signals with the start and stop of high voltage converter, and realize the function in frequency converter rear Automatic-heating dehumidifying out of service, structure is simple, manipulates convenient.
In sum, the utility model has the advantage that structure is simple, manipulation is convenient and moisture effect is good.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 be in Fig. 1 A-A direction analyse and observe structure for amplifying schematic diagram;
Fig. 3 is the structural representation of air heat exchanger in the utility model;
Fig. 4 is the circuit structure principle schematic of electric-controlled parts in the utility model.
Embodiment
With reference to accompanying drawing, high voltage frequency converter that can be moistureproof of the present utility model comprises cabinet 1 and the frequency converter functional unit 2 be located in cabinet 1, the top of cabinet 1 sets out air port 3, air outlet 3 is provided with blower fan 4, the interior transverse direction of cabinet 1 is provided with an orifice plate 5 and cabinet inner chamber is separated into upper chamber and lower chambers by this orifice plate 5, frequency converter functional unit 2 is arranged in upper chamber, bottom chamber is provided with electric heater 6, the bottom sidewall of upper chamber offers the first air inlet 7, the bottom sidewall of lower chambers offers the second air inlet 8, first air inlet 7 is provided with the first air door 9, second air inlet 8 is provided with the second air door 10, the top of cabinet 1 is provided with the wind chamber 11 be communicated with air outlet 3, a wherein sidewall of wind chamber 11 offers in the first air outlet 12, another opposing sidewalls and offer the second air outlet 13, first air outlet 12 is provided with on the 3rd air door 14, second air outlet 13 and the 4th air door 15 is installed, second air inlet 8 is connected with intake stack 16, intake stack 16 is provided with air dehumidifier 17, the air intake of intake stack 16 is communicated with the cold-air vent 184 of an air heat exchanger 18, described second air outlet 13 is connected with wind pipe 19, and wind pipe 19 is communicated with the hot-air inlets 181 of above-mentioned air heat exchanger 18.
In said structure, when high voltage converter normally works, the first air door 9 and the 3rd air door 14 are opened, and the second air door 10 and the 4th air door 15 are closed, and blower fan 4 is opened, and is taken away by the heat in cabinet 1, avoids heat accumulation; When high voltage converter quits work, close the first air door 9 and the 3rd air door 14, open the second air door 10, the 4th air door 15 and electric heater 6, air in cabinet 1 is heated, ensure temperature constant in cabinet 1, avoid device surrounding air to meet condensation and bear the globule, thus avoid device and make moist.Air dehumidifier 17 effectively can dehumidify to the air entered in cabinet, further avoid device to make moist, the heat that Absorbable rod discharges air in cabinet that arranges of air heat exchanger 18 preheats being about to the air entered in cabinet, avoid thermal loss, improve energy utilization rate.
With reference to Fig. 2, the effect of air dehumidifier carries out drying to being about to the air entered in cabinet 1, avoid in air, carrying too much moisture, air dehumidifier etc. can be adopted, air dehumidifier 17 of the present utility model comprises casing 171, two opposing sidewalls of casing 171 offer the casing air inlet 172 and casing air outlet 173 that are connected with intake stack 16, layering in casing 171 and interval is provided with multiple drawer 174 for splendid attire solid hygroscopic material.Wherein solid hygroscopic material can adopt each middle drier, preferably and what be convenient to most to take is pulverized limestone.
With reference to Fig. 3, air heat exchanger 18 comprises housing 185, left tube sheet 186 and right tube plate 187 are installed in housing 185 and housing cavity is divided into the left chamber of housing, housing intermediate cavity and the right chamber of housing by left and right tube sheet, the heat exchanger tube 188 that many can be communicated with the left chamber of housing and the right chamber of housing is connected with between left tube sheet 186 and right tube plate 187, hot-air inlets 181 is offered in the wherein side of housing intermediate cavity, another opposite side offers hot air outlet 182, inlet of cold air 183 is offered in left chamber to housing, and cold-air vent 184 is offered in right chamber to housing.
In order to easy to operate, realize automation, in the utility model, the first air door 9, second air door 10, the 3rd air door 14 and the 4th air door 15 are electric controlled door, and four electric controlled doors and blower fan 4, electric heater 6 are connected on a control circuit jointly.Control circuit can control each air door, electric heater 6 and blower fan 4 as required automatically, and control circuit can adopt various conventional automatic control circuit of the prior art, does not repeat them here.
As shown in Figure 4, the preferred a kind of control circuit of the utility model also comprises contactor 19, contactor 19 is connected with high voltage converter switch 27 formation first electricity consumption branch road 22, first air door 9 and the 3rd air door 14 are connected formation second electricity consumption branch road 23, second air door 10, 4th air door 15 is connected formation the 3rd electricity consumption branch road 24, blower fan 4 and electric heater 6 form the 4th electricity consumption branch road 25 and the 5th electricity consumption branch road 26 respectively, above-mentioned each electricity consumption branch circuit parallel connection, the normally opened contact of contactor 19 is connected on the second electricity consumption branch road 23, one of them normally-closed contact of contactor 19 is connected on the 3rd electricity consumption branch road 24, another normally-closed contact is connected on the 5th electricity consumption branch road 26.
In foregoing circuit structure, realize with the conducting of electric line and cutting-off controlling by contactor 19, circuit structure is simple, and it is convenient to realize.When frequency converter switch 27 is opened, contactor 19 obtains electric, and the normally opened contact of contactor 19 closes, and the first air door 9 and the 3rd air door 14 are opened, and the normally-closed contact of contactor 19 disconnects, and the second air door 10 and the 4th air door 15 are closed, and blower fan 4 is opened; When frequency converter switch 27 cuts out, contactor 19 dead electricity, the normally opened contact of contactor 19 is opened, and the first air door 9 and the 3rd air door 14 are closed, contactor 19 two normally-closed contacts close, the second air door 10, the 4th air door 15 and electric heater 6 are opened.Wherein, in whole process, blower fan 4 is in running status all the time, and therefore, blower fan 4 is energized all the time.
In sum, the utility model is not limited to above-mentioned embodiment.Those skilled in the art, under the prerequisite not departing from spirit and scope of the present utility model, can do some changes and modification.Protection range of the present utility model should be as the criterion with claim of the present utility model.
Claims (5)
1. the high voltage frequency converter of an energy protection against the tide, comprise cabinet (1) and be located at the frequency converter functional unit (2) in cabinet (1), the top of cabinet (1) sets out air port (3), air outlet (3) is provided with blower fan (4), it is characterized in that the interior transverse direction of described cabinet (1) is provided with an orifice plate (5) and cabinet inner chamber is separated into upper chamber and lower chambers by this orifice plate (5), described frequency converter functional unit (2) is arranged in upper chamber, bottom chamber is provided with electric heater (6), the bottom sidewall of upper chamber offers the first air inlet (7), the bottom sidewall of lower chambers offers the second air inlet (8), first air inlet (7) is provided with the first air door (9), second air inlet (8) is provided with the second air door (10), the top of described cabinet (1) is provided with the wind chamber (11) be communicated with air outlet (3), a wherein sidewall of wind chamber (11) offers in the first air outlet (12), another opposing sidewalls and offer the second air outlet (13), first air outlet (12) is provided with the 3rd air door (14), the second air outlet (13) is provided with the 4th air door (15), described second air inlet (8) is connected with intake stack (16), intake stack (16) is provided with air dehumidifier (17), the air intake of intake stack (16) is communicated with the cold-air vent (184) of an air heat exchanger (18), described second air outlet (13) is connected with wind pipe (19), and wind pipe (19) is communicated with the hot-air inlets (181) of above-mentioned air heat exchanger (18).
2. high voltage frequency converter that as claimed in claim 1 can be moistureproof, it is characterized in that described air dehumidifier (17) comprises casing (171), two opposing sidewalls of casing (171) offer the casing air inlet (172) be connected with intake stack (16) and casing air outlet (173), casing (171) interior layering and interval is provided with multiple drawer for splendid attire solid hygroscopic material (174).
3. high voltage frequency converter that as claimed in claim 1 can be moistureproof, it is characterized in that described air heat exchanger (18) comprises housing (185), left tube sheet (186) and right tube plate (187) are installed and left in housing (185), housing cavity is divided into the left chamber of housing by right tube plate, housing intermediate cavity and the right chamber of housing, the heat exchanger tube (188) that many can be communicated with the left chamber of housing and the right chamber of housing is connected with between left tube sheet (186) and right tube plate (187), hot-air inlets (181) is offered in the wherein side of housing intermediate cavity, another opposite side offers hot air outlet (182), the left chamber of housing is offered inlet of cold air (183), the right chamber of housing is offered cold-air vent (184).
4. high voltage frequency converter that as claimed in claim 1 can be moistureproof, it is characterized in that described first air door (9), the second air door (10), the 3rd air door (14) and the 4th air door (15) are electric controlled door, four electric controlled doors and blower fan (4), electric heater (6) are connected on a control circuit jointly.
5. high voltage frequency converter that as claimed in claim 4 can be moistureproof, it is characterized in that described control circuit also comprises contactor (19), contactor (19) is connected with high voltage converter switch (27) formation first electricity consumption branch road (22), first air door (9) and the 3rd air door (14) series connection formation second electricity consumption branch road (23), second air door (10), 4th air door (15) series connection formation the 3rd electricity consumption branch road (24), blower fan (4) and electric heater (6) form the 4th electricity consumption branch road (25) and the 5th electricity consumption branch road (26) respectively, above-mentioned each electricity consumption branch circuit parallel connection, the normally opened contact of contactor (19) is connected on the second electricity consumption branch road (23), one of them normally-closed contact of contactor (19) is connected on the 3rd electricity consumption branch road (24), another normally-closed contact is connected on the 5th electricity consumption branch road (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721694.3U CN204290680U (en) | 2014-11-27 | 2014-11-27 | The high voltage frequency converter that a kind of energy is moistureproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721694.3U CN204290680U (en) | 2014-11-27 | 2014-11-27 | The high voltage frequency converter that a kind of energy is moistureproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290680U true CN204290680U (en) | 2015-04-22 |
Family
ID=52873807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420721694.3U Expired - Fee Related CN204290680U (en) | 2014-11-27 | 2014-11-27 | The high voltage frequency converter that a kind of energy is moistureproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290680U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707079A (en) * | 2017-10-31 | 2018-02-16 | 江苏法兰德电机科技有限公司 | Refrigerator car generator |
| CN108092489A (en) * | 2017-12-29 | 2018-05-29 | 石狮市酷瑞电气有限责任公司 | A kind of frequency converter for being built-in with dehumidification system |
| CN108513499A (en) * | 2018-04-03 | 2018-09-07 | 成都恒力达科技有限公司 | A kind of damp-proof electric appliances cabinet |
| CN109038316A (en) * | 2018-08-30 | 2018-12-18 | 遵义长征电器设备有限责任公司 | A kind of inlet wire connection cabinet |
| CN111244788A (en) * | 2020-01-18 | 2020-06-05 | 徐冰 | Power box for power engineering |
-
2014
- 2014-11-27 CN CN201420721694.3U patent/CN204290680U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107707079A (en) * | 2017-10-31 | 2018-02-16 | 江苏法兰德电机科技有限公司 | Refrigerator car generator |
| CN108092489A (en) * | 2017-12-29 | 2018-05-29 | 石狮市酷瑞电气有限责任公司 | A kind of frequency converter for being built-in with dehumidification system |
| CN108513499A (en) * | 2018-04-03 | 2018-09-07 | 成都恒力达科技有限公司 | A kind of damp-proof electric appliances cabinet |
| CN109038316A (en) * | 2018-08-30 | 2018-12-18 | 遵义长征电器设备有限责任公司 | A kind of inlet wire connection cabinet |
| CN111244788A (en) * | 2020-01-18 | 2020-06-05 | 徐冰 | Power box for power engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20151127 |