CN208191105U - A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter - Google Patents
A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter Download PDFInfo
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- CN208191105U CN208191105U CN201820349610.6U CN201820349610U CN208191105U CN 208191105 U CN208191105 U CN 208191105U CN 201820349610 U CN201820349610 U CN 201820349610U CN 208191105 U CN208191105 U CN 208191105U
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- drying box
- frequency converter
- cabinet body
- damp
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Abstract
The utility model relates to a kind of thermal power plant boiler facilities, disclose a kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter, the moisture solved in steam power plant's air is reacted with frequency converter, the problem of causing frequency converter security risk, a kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter includes cabinet body, air inlet and air outlet are provided on the cabinet body, the blower of circulation cabinet body inner air and outer air is additionally provided on the cabinet body, the air inlet is provided with drying box, desiccant is provided in drying box, drying box, which covers on air inlet, enters to its outside air in cabinet body after drying box, with dehumidifying to air, reduce influence of the moisture to frequency converter, the advantages of improving frequency converter safety and service life.
Description
Technical field
The utility model relates to a kind of thermal power plant boiler facility, in particular to a kind of furnace air-introduced machine high-voltage frequency converter it is moisture-proof
Device.
Background technique
Furnace air-introduced machine is the Important Auxiliary equipment of steam power plant, is merged with desulphurization devices, referred to as " unification is drawn in increasing " furnace air inducing
Machine, after considering denitration resistance, referred to as " three-in-one " furnace air-introduced machine becomes the high-power subsidiary engine that power is only second to feed pump, makes
With the middle control or change for needing to use high-voltage frequency converter and carrying out speed to furnace air-introduced machine.
The high-voltage frequency converter of model east Hitachi DHVECTOL-DI01000/10 uses a large amount of new technologies, such as: nothing
Velocity sensor vector controlled, unit soft charge technology, frequency converter instantaneous power-off, which are restarted function etc. and can be substantially increased, is
The low pressure machine debugging that reliability, the stability of system, the especially model have the function of also is greatly improved service work efficiency,
To realize the output speed of quick, stable regulating stove air-introduced machine.
It is in place of the deficiencies in the prior art, steam power plant can discharge a part of steam, make while manufacturing steam
Air humidity is larger in its factory, and electrical cabinet is under the larger environment of humidity, the moisture in air enter to electrical cabinet and
It will affect the safety of frequency converter in frequency converter；Generally desiccant case can be arranged in electrical cabinet in existing air is dried
Dehumidifying, and desiccant case is directly placed in electrical cabinet by such mode, when humid air is entered in electrical cabinet, is still had big
Some moisture is first reacted with frequency converter again by desiccant case desiccant dehumidification, asking still or in the presence of influence frequency converter safety
Topic.
Utility model content
The purpose of the utility model is to provide a kind of damp-proof devices of furnace air-introduced machine high-voltage frequency converter, have and carry out to air
The advantages of dehumidifying reduces influence of the moisture to frequency converter, improves frequency converter safety and service life.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter, including cabinet body are provided with air inlet on the cabinet body and go out
Air port, the blower of circulation cabinet body inner air and outer air is additionally provided on the cabinet body, and the air inlet is provided with drying box, drying box
It is inside provided with desiccant, drying box, which covers on air inlet, enters to its outside air in cabinet body after drying box.
Using the above structure, it being worked by the blower on cabinet body, driving cabinet body outside air enters in cabinet body from air inlet,
It is discharged again through air outlet, so on circulate, realizes the exchange of cabinet body inner air and outer air, realize the heat dissipation of interior of the cabinet frequency converter；Into
And the drying box being arranged by air inlet avoids wet air from entering cabinet body to dehumidifying is dried into the intracorporal air of cabinet
It is interior that security risk is caused to frequency converter, the service life of frequency converter can be effectively improved.
Further preferably are as follows: the drying box is located at interior of the cabinet.
Using the above structure, drying box is set to interior of the cabinet, drying box is avoided to be constantly in external humidification air
Reactiveness makes it dry case and only reacts to entering to the intracorporal air of cabinet, and extend desiccant uses the time.
Further preferably are as follows: the air inlet is located at side in cabinet body and is provided with guide duct, and the drying box detachably connects
It is connected on guide duct.
Using the above structure, it will be entered in the intracorporal air concentration importing drying box of cabinet by guide duct and dehumidifying is dried
Work, and then be detachably connected by drying box, convenient for being replaced to the desiccant in drying box.
Further preferably are as follows: finite place piece is set on the guide duct, and the locating part includes along guide duct width direction
The limiting slot moved forward and backward for limited block that opens up on the limited block that is set on guide duct, guide duct is opened in outside drying box
Wall for limited block grafting fixing groove, be set between limited block and limiting slot and limited block driven to be plugged in the limit in fixing groove
Position spring, the side of the limited block relatively dry case are provided with pull rod, pull rod break-through guide duct and driving limited block anteroposterior position
It moves.
Using the above structure, it is moved forward and backward in limiting slot by limited block, convenient for drying box is installed in guide duct,
And then limited block activation force is given by limit spring, keep limited block side to be plugged in fixing groove always, to drying
Case plays position-limiting action；When dismantling drying box, it is only necessary to which pulling limited block to be detached from limiting slot by pull rod can be light by drying box
It takes out, the dismounting work convenient for staff to drying box.
Further preferably are as follows: the limited block is along drying box installation direction and the side of drying box is provided with inclination leads
To face.
Using the above structure, case and guide surface are made it dry when installing drying box by the guide surface being arranged on limited block
Inclined-plane transmission drives limited block to slide into limiting slot under the elastic acting force of limit spring, until the fixing groove on drying box
It is connected to limited block, limit spring drives limited block side to be caught in fixing groove, realizes the position-limiting action to drying box.
Further preferably are as follows: the pull rod, which is located on the outer wall of the outer side of guide duct, is provided with fixed block, the fixed block
When abutting with wind-guiding pipe outer wall, limited block side is plugged in fixing groove.
Using the above structure, position-limiting action is played by sliding distance of the fixed block to limited block, makes its limited block one end
Distance and fixing groove deep equality are slid out, limited block is avoided to completely disengage out limiting slot.
Further preferably are as follows: the drying box is with respect to being provided with handle on the side of guide duct.
Using the above structure, installation and extraction of the staff to drying box are convenient for by handle.
Further preferably are as follows: the blower is only arranged at air outlet.
Using the above structure, by the way that blower is only arranged at air outlet, while meeting acceleration cabinet body inner air and outer air circulation,
The use of blower is reduced, and then achievees the effect that energy saving.
Further preferably are as follows: the cabinet body lower end is provided with idler wheel.
Using the above structure, convenient for the displacement of electrical cabinet.
In conclusion the utility model has the following beneficial effects: drying box by being arranged in air inlet and going out
The blower being arranged at air port drives the circulation of cabinet body inner air and outer air by blower, realizes the heat dissipation effect to frequency converter；And then from into
The air that air port enters first is entered back into through drying box to cabinet body, and dehumidifying is dried to air by desiccant, avoids air
In moisture reacted with frequency converter, influence the safety of frequency converter, improve frequency converter safety and service life to reach
Effect.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the structural schematic diagram of drying box in Fig. 1；
Fig. 3 is the partial sectional view of guide duct and drying box in Fig. 1.
In figure, 1, cabinet body；2, air inlet；3, air outlet；4, drying box；5, blower；6, guide duct；7, locating part；71, it limits
Position block；72, limiting slot；73, fixing groove；74, limit spring；75, pull rod；76, fixed block；77, guide surface；8, handle；9, it rolls
Wheel.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter, as illustrated in fig. 1 and 2, including cabinet body 1, cabinet body 1 is along its width
The upper and lower ends of direction two sides offer air outlet 3 and air inlet 2 respectively, are respectively fixed with a blower 5 at two air outlets 3, and two
It is respectively arranged with a drying box 4 at air inlet 2, desiccant is provided in drying box 4, starts blower 5, in the driving effect of wind-force
Under, outside air enters in drying box 4 through air inlet 2, reacted with desiccant, by air moisture remove, enter back into
It in cabinet body 1, is finally discharged from air outlet 3, realizes the circulation of 1 inner air and outer air of cabinet body.
Above-mentioned desiccant is wired up using ventilating packaging bag, and 4 side of drying box, which is provided with, places mouth and closing placement mouth
Cover board, cover board connect by bolt with drying box 4 by place mouth is closed；In the present embodiment, desiccant uses quick lime.
In the present embodiment, drying box 4 is towards being fixed with handle 8 on the side outside guide duct 6.
In the present embodiment, air inlet 2, which is in cabinet body 1, is fixed with guide duct 6 on side, drying box 4 is installed on guide duct 6
It is interior, it concentrates its air and enters back by drying box 4 to cabinet body 1.
Referring to Fig. 2 and 3, locating part 7 is additionally provided on guide duct 6, locating part 7 includes limited block 71, limiting slot 72, fixes
Slot 73, limit spring 74 and pull rod 75, limiting slot 72 are opened on the side wall of guide duct 6 and limit along 6 width direction of guide duct
Position 72 one end of slot communicates other end closing with 6 inner wall of guide duct, and limited block 71 is set in limiting slot 72 and is only capable of along limiting slot
72 move forward and backward, and fixing groove 73 is opened on the side wall of drying box 4 and connects during being installed on guide duct 6 with limiting slot 72
Logical and for 71 grafting of limited block, limit spring 74 is set between limited block 71 and limiting slot 72 and gives limited block 71 towards solid
Determine the driving force of 73 one end of slot sliding, pull rod 75 is fixed on one end of the relatively fixed slot 73 of limited block 71 and one end extends to wind-guiding
Outside pipe 6；When installation, drying box 4 is plugged in guide duct 6, limited block 71 is protected always under the position-limiting action of limit spring 74
The state being plugged in fixing groove 73 is held, drying box 4 is limited in guide duct 6, when disassembly, passes through and pulls pull rod 75, drive
Limited block 71 detaches fixing groove 73, the position-limiting action to drying box 4 is released, consequently facilitating the dismounting of drying box 4.
The side of one end towards 4 installation direction of drying box of the opposite pull rod 75 of above-mentioned limited block 71 offers inclined guide surface
77, so that it is generated inclined-plane transmission with drying box 4,71 front and back of limited block can be driven in directly opposite 6 grafting of guide duct of drying box 4
Displacement, is plugged in fixing groove 73, realizes the Fast Installation of drying box 4.
In the present embodiment, pull rod 75, which is located on outer one section of the outer wall of guide duct 6, is further fixed on a fixed block 76, fixed block 76
When abutting with 6 outer wall of guide duct, just one end is plugged in fixing groove 73 limited block 71.
Referring to Fig.1, in the present embodiment, cabinet body 1 lower end four is further fixed on idler wheel 9 at angle.
Working principle: frequency converter is set in electrical cabinet, and usually in the course of work, blower 5 works, and drives the outer air warp of cabinet
Air inlet 2 enters in cabinet body 1, then is discharged from air outlet 3, realizes the circulation of 1 inner air and outer air of cabinet body, plays heat dissipation effect to frequency converter
Fruit；The air entered from air inlet 2 simultaneously is all concentrated through guide duct 6 and is entered in drying box 4, in the effect of desiccant
Under, dehumidifying is dried to air, moisture in air is removed, air is made it dry and enters in cabinet body 1, avoid influence of moisture
The safety of frequency converter helps to improve frequency converter safety and service life；
When desiccant is ineffective using overlong time, by opening cabinet body 1, staff one holds 75 court of pull rod
Outer pulling, by limited block 71 be detached from drying box 4 on fixing groove 73, the other hand by handle 8 by drying box 4 out of guide duct 6
It takes out, 4 internal desiccant of drying box is replaced；After more finishing changing desiccant, drying box 4 is plugged in guide duct 6, in drying
Under the inclined-plane transmission effect of case 4 and limited block 71, limited block 71 is driven to be hidden in limiting slot 72, until fixing groove 73 and limiting slot
72 connections, under the action of limit spring 74, side is caught in fixing groove 73 limited block 71, realizes the limit to drying box 4, from
And it is convenient for the dismounting work of drying box 4.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as within the protection scope of the present utility model all by the protection of Patent Law.
Claims (9)
1. a kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter, including cabinet body (1), air inlet is provided on the cabinet body (1)
(2) and air outlet (3) blower (5) of circulation cabinet body (1) inner air and outer air, is additionally provided on the cabinet body (1), it is characterized in that: institute
It states and is provided at air inlet (2) drying box (4), be provided with desiccant in drying box (4), drying box (4) covers at air inlet (2)
On enter to its outside air after drying box (4) in cabinet body (1).
2. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 1, it is characterized in that: the drying box
(4) it is internal to be located at cabinet body (1).
3. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 1, it is characterized in that: the air inlet
(2) it is located at cabinet body (1) interior side to be provided with guide duct (6), the drying box (4) is removably connected on guide duct (6).
4. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 3, it is characterized in that: the guide duct
(6) finite place piece (7) are set on, the locating part (7) includes being set on guide duct (6) along guide duct (6) width direction
The limiting slot (72) moved forward and backward for limited block (71) that opens up on limited block (71), guide duct (6) is opened in drying box (4)
Outer wall for limited block (71) grafting fixing groove (73), be set between limited block (71) and limiting slot (72) and drive limited block
(71) side of the limit spring (74) being plugged in fixing groove (73), limited block (71) the relatively dry case (4) is provided with
Pull rod (75), pull rod (75) break-through guide duct (6) and driving limited block (71) move forward and backward.
5. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 4, it is characterized in that: the limited block
(71) inclined guide surface (77) are provided with along drying box (4) installation direction and towards the side of drying box (4).
6. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 4, it is characterized in that: the pull rod
(75) it is provided with fixed block (76) on the outer wall of guide duct (6) outer side, the fixed block (76) and guide duct (6) outer wall
When abutting, limited block (71) side is plugged in fixing groove (73).
7. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 1, it is characterized in that: the drying box
(4) handle (8) are provided on the side of opposite guide duct (6).
8. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 1, it is characterized in that: the blower
(5) it is only arranged at air outlet (3).
9. the damp-proof device of a kind of furnace air-introduced machine high-voltage frequency converter according to claim 1, it is characterized in that: the cabinet body
(1) lower end is provided with idler wheel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349610.6U CN208191105U (en) | 2018-03-14 | 2018-03-14 | A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820349610.6U CN208191105U (en) | 2018-03-14 | 2018-03-14 | A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter |
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| Publication Number | Publication Date |
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| CN208191105U true CN208191105U (en) | 2018-12-04 |
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| CN201820349610.6U Active CN208191105U (en) | 2018-03-14 | 2018-03-14 | A kind of damp-proof device of furnace air-introduced machine high-voltage frequency converter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401500A (en) * | 2020-11-18 | 2021-02-26 | 德清坚亮门窗有限公司 | Moisture-proof wardrobe door plate |
| CN112594587A (en) * | 2020-12-11 | 2021-04-02 | 泸州禾苗通信科技有限公司 | Full-weather intelligent module control device for street lamp |
-
2018
- 2018-03-14 CN CN201820349610.6U patent/CN208191105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401500A (en) * | 2020-11-18 | 2021-02-26 | 德清坚亮门窗有限公司 | Moisture-proof wardrobe door plate |
| CN112594587A (en) * | 2020-12-11 | 2021-04-02 | 泸州禾苗通信科技有限公司 | Full-weather intelligent module control device for street lamp |
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