CN116937383A - Cabinet type direct current power supply - Google Patents
Cabinet type direct current power supply Download PDFInfo
- Publication number
- CN116937383A CN116937383A CN202310911366.3A CN202310911366A CN116937383A CN 116937383 A CN116937383 A CN 116937383A CN 202310911366 A CN202310911366 A CN 202310911366A CN 116937383 A CN116937383 A CN 116937383A
- Authority
- CN
- China
- Prior art keywords
- gear
- contact
- piece
- cavity
- power supply
- 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.)
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- 238000010438 heat treatment Methods 0.000 claims abstract description 42
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 230000008602 contraction Effects 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 3
- 238000005485 electric heating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
Abstract
The utility model provides a cabinet type direct current power supply, the intelligent cabinet temperature adjusting device comprises a cabinet body, be equipped with air outlet and first air inlet on the cabinet body, be equipped with the tuber pipe on the air outlet, be equipped with the tuber pipe on the first air inlet, be equipped with motor fan on the tuber pipe, motor fan one side is equipped with heating structure, it is equipped with first piece to stretch out inwards on the cabinet body, in inserting the power to first piece, be equipped with the cavity in the first piece, be equipped with heat-conducting medium in the cavity, cavity orientation cavity opening sliding connection is equipped with the second piece, the cavity is sealed through second piece one end jam, be equipped with first contact on the second piece, be equipped with second contact and third contact on the cavity, the third contact is kept away from the cavity opening side at first contact, the second contact is close to the cavity opening side at first contact, motor fan starts or closes through contact and separation of one of first contact and second contact and third contact, heating structure starts or closes through first contact and third contact.
Description
Technical Field
The invention belongs to the technical field of power supply cabinets, and particularly relates to a cabinet type direct current power supply.
Background
An elevator is a transportation device that vertically transports pedestrians or goods.
The elevator serves a prescribed floor building, and the vertical lift elevator has a car which runs between at least two rows of vertical or rigid guide rails with an inclination angle of less than 15 DEG, and is convenient for passengers to get in and out or load and unload cargoes, and can be divided into a low speed elevator (less than 4 meters per second), a fast elevator (4 to 12 meters per second) and a high speed elevator (more than 12 meters per second) according to the speed.
The existing elevators are provided with a power cabinet in a power distribution room near the elevators, the power supply in the power cabinet always has an optimal use temperature, and the power supply always generates heat in the use process to cause the self and environment temperature to rise, so that a heat dissipation system such as a motor fan is always needed to be arranged near the power supply, but in a cold environment, the use effect of the power supply is affected by too low temperature, and therefore, the power supply cannot keep the optimal temperature in the use process if only the heat dissipation system is used.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a cabinet type direct current power supply which can keep the optimal temperature in the using process.
In order to solve the technical problems, the invention is solved by the following technical scheme: the utility model provides a cabinet type direct current power supply, includes the cabinet body, be equipped with air outlet and first income wind gap on the cabinet body, be equipped with the tuber pipe on the air outlet, be equipped with into the tuber pipe on the first income wind gap, be equipped with motor fan on the tuber pipe, motor fan one side is equipped with heating structure, it is equipped with first piece to stretch out towards interior on the cabinet body, in inserting the power, be equipped with the cavity in the first piece, be equipped with the heat-conducting medium in the cavity, the cavity orientation cavity opening sliding connection is equipped with the second piece, the cavity passes through second piece one end is blockked up sealedly, be equipped with first contact on the second piece, be equipped with second contact and third contact on the cavity, the third contact is in keep away from of first contact cavity opening side, the second contact is in being close to of first contact cavity opening side, motor fan passes through first contact with contact and second contact and one of third contact and separation or start or close or the contact and the separation that can keep the best temperature in the first contact and the heating structure has realized in the second contact and has kept the contact and the temperature and has been closed.
In the above technical scheme, preferably, the heating structure comprises a heating pipe and an electric heating device, the electric heating device is in the heating pipe, an adjusting area is arranged on the air inlet pipe, the motor fan is in the adjusting area is close to the side of the cabinet body, the adjusting area is in the motor fan is close to the side of the cabinet body, the pipe body at the adjusting area is elastic, one end of the heating pipe is communicated with the adjusting area, the air inlet pipe is provided with a support outside the adjusting area, a plurality of third pieces are rotatably connected on the support around the adjusting area, a first gear is arranged at the rotary joint of the third pieces, the first gear is rotatably connected on the support, the third piece is far away from the rotary joint and is propped against the outer wall of the adjusting area, the second piece is far away from the first piece, a rack is arranged at the end of the second piece, the first gear is matched with the rack through transmission structure, and the change of the temperature of blown warm air can be reduced.
In the above technical scheme, preferably, the transmission structure includes a second gear, the second gear is rotatably connected to the support, an inner gear teeth and an outer gear teeth are arranged on the second gear, a plurality of first gears are wound on the inner side of the second gear, the second gear is meshed with the first gears through the inner gear teeth, and the second gear is meshed with the racks through the outer gear teeth.
In the above technical scheme, preferably, the support is rotatably connected with a third gear, the second gear is meshed with the third gear through the internal gear teeth, a fourth gear coaxially rotating is arranged on the third gear shaft and meshed with the rack, the rack is driven by the second gear through the third gear and the fourth gear, the length of the first piece 5 can be adjusted through interval adjustment between the gears, the design can be designed according to requirements, and the inserted position of the first piece 5 can be adjusted during use to adjust a better detection power supply.
In the above technical scheme, preferably, the bracket is provided with a ring groove, the second gear is provided with an extension part, and the extension part slides in the ring groove, so that the second gear can be conveniently positioned and installed.
In the above technical solution, preferably, the third member forms a contraction structure, the adjusting area is provided with a plurality of contraction structures, the third member on the contraction structure is above two adjacent third members on the adjacent contraction structures, the design can contract more distances, and the adjusting area can be contracted more uniformly by using the alternate third members.
In the above technical solution, preferably, a sealing member is provided between the rack and the first member, which prevents the gas in the cavity from leaking out.
Compared with the prior art, the invention has the following beneficial effects: 1. the cabinet type direct current power supply can keep the optimal temperature in the using process.
According to the invention, through the cooperation among the heating pipe, the electric heating device, the adjusting area, the bracket, the second piece, the third piece, the first gear, the rack and the transmission structure, the change of the temperature of the blown warm air can be reduced.
The transmission structure comprises a second gear, the second gear is rotatably connected to the support, the second gear is provided with inner meshing gear teeth and outer meshing gear teeth, a plurality of first gears are wound on the inner side of the second gear, the second gear is meshed with the first gear through the inner meshing gear teeth, and the second gear is meshed with the rack through the outer meshing gear teeth.
According to the invention, the third gear is rotationally connected to the bracket, the second gear is meshed with the third gear through the internal meshing gear teeth, the third gear shaft is provided with the fourth gear which coaxially rotates, the fourth gear is meshed with the rack, the rack is in transmission with the second gear through the third gear and the fourth gear, the length of the first piece 5 can be adjusted through interval adjustment between the gears, the design can be designed according to the requirement, and the insertion position of the first piece 5 can be adjusted during use, so that a better detection power supply can be adjusted.
According to the invention, the annular groove is formed in the bracket, the extension part is arranged on the second gear and slides in the annular groove, so that the second gear can be conveniently positioned and installed.
According to the invention, the third pieces form a contraction structure, the regulating area is provided with a plurality of contraction structures, the third pieces on the contraction structure are above two adjacent third pieces on the adjacent contraction structures, more distances can be contracted, and the regulating area can be contracted more uniformly by using the alternate third pieces.
A sealing element is arranged between the rack and the first piece, so that gas in the cavity is prevented from leaking.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a portion of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of an air inlet duct according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a first gear in an embodiment of the invention.
Fig. 5 is a cross-sectional view of a third member in an embodiment of the invention.
Fig. 6 is a cross-sectional view of the second member in an embodiment of the invention.
Fig. 7 is a circuit diagram of a control circuit according to an embodiment of the present invention.
Description of the embodiments
The invention is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1 to 7, a cabinet type direct current power supply comprises a cabinet body 1, wherein an air outlet and a first air inlet are arranged on the cabinet body 1, the air outlet and the first air inlet are not drawn in the figure, an air outlet pipe 2 is arranged on the air outlet, an air inlet pipe 3 is arranged on the first air inlet, a motor fan is arranged on the air inlet pipe 3, the motor fan is not drawn in the figure, a heating structure 4 is arranged on one side of the motor fan, a first piece 5 is arranged on the cabinet body 1 in an inward extending manner, the first piece 5 is inserted into a power supply, the power supply is not drawn in the figure, a cavity 6 is arranged in the first piece 5, a heat conducting medium is arranged in the cavity 6, the heat conducting medium can be a gas which is sensitive to temperature, the cavity 6 is provided with a second piece 7 towards the opening of the cavity 6 in a sliding connection manner, the cavity 6 is sealed by blocking one end of the second piece 7, a first contact 8 is arranged on the second piece 7, a second contact 9 and a third contact 10 are arranged on the cavity 6, the third contact 10 is arranged on the side of the first contact 8 far away from the opening of the cavity 6, the second contact 9 is arranged on the side of the first contact 8 close to the opening of the cavity 6, the motor fan is started or closed through the contact and separation of the first contact 8 and one of the second contact 9 and the third contact 10, the heating structure 4 is started or closed through the contact and separation of the first contact 8 and the third contact 10, when the power supply temperature is too high and heat dissipation is needed, the heat conducting medium in the cavity 6 in the first piece 5 expands due to the expansion of heat and contraction of cold due to the temperature, the second piece 7 is pushed to the opening of the cavity 6, the first contact 8 on the second piece 7 is contacted with the second contact 9, so that the motor fan is started, the motor fan dissipates heat to the power supply, when the power supply temperature is too low and the temperature is needed to rise, the heat conducting medium in the cavity 6 in the first piece 5 contracts due to the expansion of heat and the heat conducting medium in the cavity 7 is sucked into the cavity 6 due to the contraction of heat and contraction of the temperature, the first contact 8 on the second piece 7 is in contact with the third contact 10, so that the motor fan and the heating structure 4 are started, and the motor fan blows hot air into the power supply, so that the power supply is warmed, and the power supply can keep the optimal temperature in the use process.
In this embodiment, if the heating structure 4 is disposed in the air inlet pipe 3, the excessively low temperature of the power supply is often due to supercooling of the weather caused by environmental reasons, so that the air sucked into the air inlet pipe 3 is cold and the hot air blown to the power supply finally is caused after passing through the heating structure 4, thus, when the hot air is sucked, the following problems occur, the temperature of the environment is different, the temperature of the heating structure 4 is constant, the temperature of the power supply blown to the sucked air after passing through the heating structure 4 is low after the temperature of the environment is low, the temperature of the power supply is unstable, if the temperature difference is large, the power of the heating structure 4 is not large enough or even cannot be heated to the required temperature due to supercooling of the sucked air when the temperature difference is large, the temperature of the power supply is always excessively low, and if the heating power of the heating structure 4 is set to be large, when the heating power is not quite cold but still needs to be heated, the temperature blown out when the heating power is too high and easily damages a power supply, so that the heating power requirement on the selective heating structure 4 is more severe, the design is adopted, the heating structure 4 comprises a heating pipe 11 and an electric heating device 12, the electric heating device 12 is arranged in the heating pipe 11, an adjusting area 13 is arranged on an air inlet pipe 3, a motor fan is arranged on the side, close to a cabinet body 1, of the adjusting area 13, the motor fan is arranged on the side, close to the cabinet body 1, of the adjusting area 13, a pipe body at the adjusting area 13 is elastic, one end of the heating pipe 11 is communicated with the inside of the adjusting area 13, an air inlet pipe 3 is arranged outside the adjusting area 13, a plurality of third pieces 15 are rotatably connected on the bracket 14 around the adjusting area 13, a first gear 16 is arranged at a rotating joint of the third pieces 15, the first gear 16 is rotatably connected on the bracket 14, the third pieces 15 are far away from the rotating joint and are abutted against the outer wall of the adjusting area 13, the second member 7 is provided with a rack 17 at the end far away from the first member 5, the first gear 16 is in transmission fit with the rack 17 through a transmission structure 18, the rack 17 can be only arranged at the side of the first gear 16 close to the cavity 6, so that the rack 17 does not drive the transmission structure 18 when being pushed out of the cavity 6 by the second member 7, thereby not triggering the first gear 16, or not only being arranged at the side of the first gear 16 close to the cavity 6, the third member 15 is required to be capable of turning at a larger angle to loosen the direction of the adjusting area 13, a larger space can be set up for realizing, when the power temperature is too low and the temperature needs to be increased, the heat conducting medium in the cavity 6 in the first member 5 is contacted with the third contact 10 due to thermal expansion and contraction of temperature, thereby starting the motor fan and the heating structure 4, and the motor fan blows hot air to the power supply to heat the power supply to increase the temperature, the second piece 7 is sucked into the cavity 6, the second piece 7 drives the rack 17 to move, the rack 17 drives the third piece 15 to rotate through the transmission structure 18 in a transmission mode, the first gear 16 drives the third piece 15 to rotate, the third piece 15 contracts the pipe body on the adjusting area 13, the diameter of the pipe body on the adjusting area 13 is smaller, the heating pipe 11 is sucked into the heating pipe 11 through Bernoulli effect by the pipe body on the adjusting area 13 because the heating pipe 11 is connected to the adjusting area 13, so that the heating is mixed, the lower the temperature is, the more the distance of the second piece 7 sucked into the cavity 6 is, the pipe body with the larger distance is contracted by the third piece 15, the diameter of the pipe body is smaller, the sucked heating air is increased, and the sucked cold air is reduced, by the design, the change of the blown warm air temperature can be reduced, for example, the heating power and the area are the same, the blown temperature is 40 degrees under the existing condition, the diameter of the heating pipe 11 is smaller than that of the air inlet pipe 3 under the equipment, so that the heating efficiency is higher, the blowing-out temperature at the heating pipe 11 is 70 ℃, if the excessive temperature is blown directly to a power supply, the power supply is possibly damaged, the mixing is performed, the Bernoulli effect is realized by utilizing the shrinkage adjusting area 13, the ratio of the shrinkage adjusting area 13 to the cold air of the air inlet pipe 3 is 1 to 3, the final blowing-out temperature is 36.25 ℃, when the environment is 5 ℃, the blowing-out temperature is 20 ℃ under the existing condition, the blowing-out temperature at the heating pipe 11 is 50 ℃, the ratio of the shrinkage adjusting area 13 to the cold air of the air inlet pipe 3 is 3 to 5, the final blowing-out temperature is 21.875 ℃, when the environment is minus 15 ℃, the blowing-out temperature is 0 ℃ under the existing condition, the blowing-out temperature at the heating pipe 11 is 30 ℃, the ratio of the cold air of the shrinkage adjusting area 13 to the air inlet pipe 3 is 6 to 4, the final blowing-out temperature is 12 ℃, so that the temperature change under the equipment is smaller, when the temperature is obviously higher than the existing equipment, the temperature is not obviously higher than the existing equipment, the temperature can be adjusted in the air inlet pipe 13, the temperature can be completely adjusted, the temperature can be changed, and the temperature can be completely adjusted to be changed between the cooling areas when the temperature is lower than the temperature 13, and the temperature is completely adjusted, and the temperature can be adjusted in the air supply is completely, and the air can be adjusted when the temperature is 4.
In this embodiment, if a transmission structure 18 is independently provided for each first gear 16 to transmit with the rack 17, then repeated adjustment is required when the third member 15 is required to rotate synchronously, which is troublesome, so there is a structure in which the transmission structure 18 includes a second gear 19 rotatably connected to the bracket 14, the second gear 19 is provided with internal gear teeth 20 and external gear teeth 21, a plurality of first gears 16 are wound around the inner side of the second gear 19, the second gear 19 is meshed with the first gears 16 through the internal gear teeth 20, the second gear 19 is meshed with the rack 17 through the external gear teeth 21, and when the transmission structure 18 is required to operate, the rack 17 is meshed with the external gear teeth 21 to drive the second gear 19 to rotate synchronously, and the second gear 19 is meshed with the first gear 16 through the internal gear teeth 20.
In this embodiment, if the first member 5 is plugged into the power source while the rack 17 and the second gear 19 are on the same plane, so if the first member 5 is also plugged into the power source with no other design, the first member 5 needs to be long to plug into the power source, which results in the first member 5 being longer and more susceptible to the influence of the outside on the temperature in the cavity 6, so there is a design that the bracket 14 is rotatably connected with the third gear 22, the second gear 19 is meshed with the third gear 22 through the internal gear teeth 20, the third gear 22 is provided with the fourth gear 23 coaxially rotating on the gear shaft, the fourth gear 23 is meshed with the rack 17, the rack 17 is driven with the second gear 19 through the two gears of the third gear 22 and the fourth gear 23, the design can adjust the length of the first member 5 by adjusting the interval between the gears, the design can be designed according to the requirement, and the inserted position of the first member 5 can be adjusted in use to adjust the better detection power source.
In this embodiment, the bracket 14 is provided with the annular groove 24, the second gear 19 is provided with the extension portion 25, and the extension portion 25 slides in the annular groove 24, so that the positioning and installation of the second gear 19 can be facilitated.
In this embodiment, the third members 15 form a contraction structure 26, the adjusting area 13 is provided with a plurality of contraction structures 26, the third members 15 on the contraction structures 26 are above two adjacent third members 15 on adjacent contraction structures 26, the design can contract more distances, and the adjusting area 13 can be contracted more uniformly by using the alternate third members 15.
In this embodiment, a seal is provided between the rack 17 and the first member 5, not shown in the figures, which prevents the escape of gas inside the cavity 6.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The utility model provides a cabinet type direct current power supply, includes the cabinet body (1), be equipped with air outlet and first income wind gap on the cabinet body (1), be equipped with air-out pipe (2) on the air outlet, be equipped with into tuber pipe (3) on the first income wind gap, be equipped with motor fan on going into tuber pipe (3), its characterized in that: the utility model provides a motor fan one side is equipped with heating structure (4), it is equipped with first piece (5) to stretch out in towards on cabinet body (1), in first piece (5) inserts the power, be equipped with cavity (6) in first piece (5), be equipped with heat-conducting medium in cavity (6), cavity (6) orientation cavity (6) opening sliding connection is equipped with second piece (7), cavity (6) are through second piece (7) one end is blockked up sealedly, be equipped with first contact (8) on second piece (7), be equipped with second contact (9) and third contact (10) on cavity (6), third contact (10) are in keep away from of first contact (8) cavity (6) opening side, second contact (9) are in be close to of first contact (8) cavity (6) opening side, the motor fan is through first contact (8) with second contact (9) and third contact (10) one of two and contact (10) are closed or contact (10) are closed in contact (4) separation and heating structure.
2. A cabinet type dc power supply as claimed in claim 1, wherein: heating structure (4) are including rising temperature pipe (11) and electric heater unit (12), electric heater unit (12) are in rising temperature pipe (11), be equipped with regulation district (13) on income tuber pipe (3), motor fan is in regulation district (13) are close to cabinet body (1) side, regulation district (13) are in motor fan is close to cabinet body (1) side, the body of regulation district (13) department has elasticity, rising temperature pipe (11) one end with communicate in regulation district (13), go into tuber pipe (3) are in regulation district (13) are equipped with support (14) outward, wind on support (14) regulation district (13) swivelling joint is equipped with a plurality of third piece (15), third piece (15) swivelling joint department is equipped with first gear (16), first gear (16) swivelling joint is in on support (14), third piece (15) keep away from swivelling joint end with regulation district (13) outer wall, second piece (7) are kept away from by rack (17) are equipped with first gear (17) and are held (17) and are passed through transmission structure.
3. A cabinet type dc power supply as claimed in claim 2, wherein: the transmission structure (18) comprises a second gear (19), the second gear (19) is rotationally connected to the support (14), the second gear (19) is provided with inner meshing gear teeth (20) and outer meshing gear teeth (21), a plurality of first gears (16) are wound on the inner side of the second gear (19), the second gears (19) are meshed with the first gears (16) through the inner meshing gear teeth (20), and the second gears (19) are meshed with the racks (17) through the outer meshing gear teeth (21).
4. A cabinet type dc power supply as claimed in claim 3, wherein: the novel gear rack is characterized in that a third gear (22) is rotatably connected to the support (14), the second gear (19) is meshed with the third gear (22) through inner meshing gear teeth (20), a fourth gear (23) which rotates coaxially is arranged on a gear shaft of the third gear (22), the fourth gear (23) is meshed with the rack (17), and the rack (17) is in transmission with the second gear (19) through the third gear (22) and the fourth gear (23).
5. A cabinet type dc power supply as claimed in claim 4, wherein: the support (14) is provided with a ring groove (24), the second gear (19) is provided with an extension part (25), and the extension part (25) slides in the ring groove (24).
6. A cabinet type dc power supply as claimed in claim 5, wherein: the third pieces (15) form a contraction structure (26), a plurality of contraction structures (26) are arranged on the adjusting area (13), and the third pieces (15) on the contraction structures (26) are arranged above two adjacent third pieces (15) on the adjacent contraction structures (26).
7. A cabinet type dc power supply as claimed in claim 5, wherein: a sealing element is arranged between the rack (17) and the first piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911366.3A CN116937383B (en) | 2023-07-24 | 2023-07-24 | Cabinet type direct current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310911366.3A CN116937383B (en) | 2023-07-24 | 2023-07-24 | Cabinet type direct current power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116937383A true CN116937383A (en) | 2023-10-24 |
| CN116937383B CN116937383B (en) | 2024-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310911366.3A Active CN116937383B (en) | 2023-07-24 | 2023-07-24 | Cabinet type direct current power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116937383B (en) |
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| CN215498627U (en) * | 2021-06-23 | 2022-01-11 | 三沙供电局有限责任公司 | Drying device for generator set winding |
| CN115764048A (en) * | 2022-10-20 | 2023-03-07 | 扬州恒联照明器材有限公司 | Battery protection box for traffic signal lamp |
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2023
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| CN116937383B (en) | 2024-02-27 |
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