CN201623947U - Underground cabinet - Google Patents
Underground cabinet Download PDFInfo
- Publication number
- CN201623947U CN201623947U CN2010200563719U CN201020056371U CN201623947U CN 201623947 U CN201623947 U CN 201623947U CN 2010200563719 U CN2010200563719 U CN 2010200563719U CN 201020056371 U CN201020056371 U CN 201020056371U CN 201623947 U CN201623947 U CN 201623947U
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- CN
- China
- Prior art keywords
- cabinet
- ventilation duct
- rack
- cover plate
- grade closure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model is suitable for the field of communication equipment, and provides an underground cabinet. The underground cabinet comprises a fixing bracket which is fixedly arranged in a pit; a moving frame capable of vertically sliding along the fixing bracket is arranged on the fixing bracket; a cabinet is fixedly arranged on the moving frame; a ventilation pipe is arranged on the cabinet, and extends to the upper end and two side walls of the cabinet; and a radiating device communicated with the ventilation pipe and the cabinet is also arranged at the upper end of the cabinet. The utility model adopts the radiating device to transfer heat in a cabinet body to the ventilation pipe and to transfer the heat to the pit through the ventilation pipe, and then the heat is taken away through the pit, so as to realize the purpose of the radiating of the underground cabinet; meanwhile, the air sealed for safekeeping in the ventilation pipe resists the water level in the ventilation pipe at the precomputed water line, and the water is prevented from entering into the horizontal air duct of the ventilation pipe to damage a radiating device, so as to play a waterproof role.
Description
Technical field
The utility model belongs to communication equipment field, relates in particular to a kind of below-grade closure.
Background technology
Along with being in full swing of 3G mobile communication and the construction of NGN next generation network, the planning of network and application have run into many new problems, mainly show as: (1) existing rack mostly is arranged on the ground surface, occupy ground space, be difficult to adapt to the situation that is becoming tight ground space day, also can't be unified with environmental harmony; (2) the Ang Gui network equipment is installed on ground, even there is powerful shell protection also to be difficult to the generation that avoids theft; (3) the noise effect surrounding enviroment of sending during the equipment work in the rack especially are arranged at the rack of residential quarter; (4) the ground surface environment temperature difference of different regions is big, for keeping equipment operate as normal under the different operating environment, needs to consume a large amount of energy.
In order to address the above problem, general way is that rack is embedded in subsurface at present, and the existing rack that is used for underground installation mainly contains following dual mode:
(1) melt pit is accomplished seal fully after, process casing and case lid with casting method, again equipment is installed in the casing because the casing of casting seals fully, rely on the cabinet shell heat radiation.But this melt pit of sealing has fully increased difficulty of construction, while casting box Heavy Weight, and difficult, inner heat can not initiatively be discharged, also can't the autobalance inner and outer air pressure.
(2) melt pit not exclusively seals, and adopts the air pressure the waterproof principle, covers a big gas hood again in former casing outside, utilizes airtight air waterproof, and direct draft type is adopted in the heat radiation of equipment.Because of adopting the air pressure waterproof to need two casings, cost height; Directly draft type can't effectively solve the influence of underground moisture to equipment simultaneously.
The utility model content
Technical problem to be solved in the utility model is to provide the below-grade closure of a kind of waterproof, protection against the tide, ventilative, good heat dissipation effect.
The utility model is to realize like this, a kind of below-grade closure, comprise the fixed mount that is fixedly arranged in the melt pit, described fixed mount is provided with the adjustable shelf that can slide up and down along described fixed mount, be installed with rack on the described adjustable shelf, described rack is provided with ventilation duct, and described ventilation duct extends the upper end and the two side of described rack, and described rack upper end also is provided with the heat abstractor that is communicated with described ventilation duct and rack.
Particularly, described heat abstractor comprises radiating tube, temperature detect switch (TDS), water logging switch, outer circulation fan, interior circulating fan, one end of described radiating tube is positioned at described cabinet, the other end is positioned at described ventilation duct, described temperature detect switch (TDS) is located in the described cabinet, described water logging switch is located at the lateral wall of described cabinet, and described outer circulation fan is positioned at described ventilation duct, and described interior circulating fan is positioned at described cabinet.
More specifically, described radiating tube comprises copper pipe and is located at radiating fin on the tube wall of described copper pipe, the transpirable working media in back that is heated is housed in the described copper pipe.
Further, this below-grade closure also comprises lowering or hoisting gear, described lowering or hoisting gear comprises elevating lever that can slide up and down along described fixed mount and the Hand operating hoist of being located at described elevating lever top, and described Hand operating hoist comprises turning handle, the rotating shaft that is connected with described turning handle, is sheathed on the chain lock in the described rotating shaft, the hook that is connected with an end of described chain lock.
Particularly, adopt guide tracked being slidingly connected between described elevating lever and the fixed mount.
Particularly, described rack comprises cabinet and the outer cover plate that cooperates with described cabinet, and described ventilation duct is located on the described outer cover plate and is extended to the two side of described cabinet.
More specifically, the wall of described cabinet becomes the structure of corrugation for adopting the panel beating light sheet bending, and the top fixed head of described cabinet is fixed by welding in together between the wall of described cabinet and the top fixed head for adopting the structure of doubling plate pressing.
More specifically, described outer cover plate is the structure that adopts the doubling plate pressing all around.
Further, described outer cover plate inside is provided with the cover plate that ventilation duct and cabinet can be isolated.
Further, also be provided with the waterproof vent valve that is positioned at described ventilation duct on the described outer cover plate.
The utility model adopts heat abstractor that the heat of cabinet inside is reached ventilation duct, reaches melt pit by ventilation duct again, and then by melt pit heat is taken away, thereby realized the heat radiation purpose of below-grade closure; Simultaneously, water level was blocked in advance and calculates good waterline place in the air that seal up for safekeeping ventilation duct inside will be managed, and anti-sealing enters damage heat abstractor in the horizontal air channel of ventilation duct, plays waterproof effect.
Description of drawings
Fig. 1 is that the below-grade closure that the utility model embodiment provides is installed on the interior schematic diagram of melt pit;
Fig. 2 is the schematic diagram of the below-grade closure that provides of the utility model embodiment
Fig. 3 is the generalized section of Fig. 2;
Fig. 4 is the enlarged diagram at A place among Fig. 3;
Fig. 5 is the waterproof schematic diagram of the below-grade closure that provides of the utility model embodiment;
Fig. 6 is the elementary diagram of the heat abstractor that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
In order to address the above problem, (thermal conduction of soil is poor, and ground temperature numerical value begins to be index law with degree of depth increase and successively decreases from ground at the thermal conduction characteristic of soil and the Changing Pattern of subsurface temperature for the utility model; Ground temperature changes with temperature and increases sharply reduction, is tending towards constant behind 1.0m～1.2m; The variations in temperature of different depth has different phase places, and the maximum temperature on any degree of depth all is lower than the maximum temperature of surface temperature, and underground certain depth presents " cool in summer and warm in winter " sometimes; Solar radiation is less relatively to the ground temperature influence; Abundant underground water can be accelerated the migration velocity of heat); after adopting heat abstractor that the heat of rack inside is reached melt pit, by melt pit heat is taken away again, simultaneously in conjunction with the air pressure the waterproof principle; heat abstractor is protected, also can not damaged heat abstractor even rack immerses in the water.
Below in conjunction with embodiment the utility model is described in detail.
As Fig. 1～shown in Figure 5, a kind of below-grade closure that the utility model embodiment provides, comprise the fixed mount 2 that is fixedly arranged in the melt pit 1, described fixed mount 2 is provided with the adjustable shelf 3 that can slide up and down along described fixed mount 2, be installed with rack 4 on the described adjustable shelf 3, described rack 4 is provided with ventilation duct 43, and described ventilation duct 43 extends the upper end and the two side of described rack 1, and described rack 1 upper end also is provided with the heat abstractor that is communicated with described ventilation duct 43 and rack 1.The utility model adopts heat abstractor 44 that the heat of cabinet 41 inside is reached ventilation duct 43, reaches melt pit 1 by ventilation duct 43 again, and then by melt pit 1 heat is taken away, thereby has realized the heat radiation purpose of below-grade closure.
As Fig. 1～shown in Figure 2, particularly, adopt guide tracked being slidingly connected between described adjustable shelf 3 and the fixed mount 2, described adjustable shelf 3 adopts triangular supports, to increase the support force to rack 4.Described rack 4 comprises cabinet 41 and the outer cover plate 42 that cooperates with described cabinet 41, and described ventilation duct 43 is located on the described outer cover plate 42 and is extended to the two side of described cabinet 41.The wall of described cabinet 41 becomes the structure of corrugation for adopting the panel beating light sheet bending, and this corrugated structure has increased the surface area of cabinet 41, has increased the radiating effect of cabinet 41; The top fixed head of described cabinet 41 is for adopting the enhancing structure of doubling plate pressing; Be fixed by welding in together between the wall of described cabinet 41 and the top fixed head, to strengthen the intensity of cabinet 1.Be the enhancing structure that adopts the doubling plate pressing around the described outer cover plate 42; By the sealing of two seals bar and adopt screw to fix with the fast phase-locked mode that combines, there was not positioning phenomenon when guaranteeing to assemble in decrement difference when the two seals bar designs between described outer cover plate 42 and the cabinet 41.
As Fig. 3～shown in Figure 6, particularly, described heat abstractor 44 comprises radiating tube 441, temperature detect switch (TDS) 442, water logging switch 443, outer circulation fan 444, interior circulating fan 445.One end of described radiating tube 441 is positioned at described cabinet 41, the other end is positioned at described ventilation duct 43, described radiating tube 441 comprises copper pipe 4411 and is located at the radiating fin 4412 of the aluminium material on described copper pipe 4411 tube walls, the transpirable working media in back that is heated is housed in the described copper pipe 4411, and described radiating fin 4412 is used to increase copper pipe 4411 heat absorption or radiating rates.Described temperature detect switch (TDS) 442 is located in the described cabinet 41, be used to detect the temperature in the cabinet 41, when temperature reaches preset value (present embodiment is set at 30 °), control circuit closure (as shown in Figure 6), outer circulation fan 444 in the startup ventilation duct 43 and the interior circulating fan 445 in the cabinet 41, the heat of cabinet 41 inside is under the effect of interior circulating fan 445, the heat of inside is brought to radiating tube 441 lower ends, after the working media evaporation of inside, radiating tube 441 lower end absorbs heat, reach the upper end of radiating tube 441, then under the effect of circulating fan 444 outside, melt pit 1 is discharged and reached to the heat of radiating tube 441 upper ends by ventilation duct 43, and then by melt pit 1 heat is taken away.Described water logging switch 443 is located at the lateral wall of described cabinet 41, when the ponding of melt pit 1 inside surpasses water logging switch 443, water logging switch 443 automatic disconnection under buoyancy, the outer circulation fan 444 and the interior circulating fan 445 of working are quit work, along with the melt pit water level rises, water level was blocked in and calculates good waterline H place in advance in the air that inverted ventilation duct 43 is sealed up for safekeeping because of inside will be managed, anti-sealing enters and damages outer circulation fan 444 and radiating tube 441 in the horizontal air channel of ventilation duct 43, play waterproof effect, at this moment, the heat that cabinet 41 internal units produce, the cabinet 41 of the corrugated structure by increasing surface area and melt pit 1 interior fully contacting of water is passed to melt pit 1, and then by melt pit 1 heat taken away.Should be appreciated that radiating tube 441 of the present utility model, outer circulation fan 444 and interior circulating fan 445 also can replace with semiconductor cooler, also can realize good heat-radiation effect.
As shown in Figure 4, further, also be provided with the waterproof vent valve 46 that is positioned at ventilation duct 43 on the described outer cover plate 42, when storage battery is installed in cabinet 41 inside, the gas that produces during battery-operated is because waterproof vent valve 46 is opened in pressure rising meeting automatically, gas enters ventilation duct 43 by waterproof vent valve 46, by ventilation duct 43 gas is discharged again.
As shown in Figure 3 and Figure 4, further, described outer cover plate 42 inside are provided with can be with the cover plate 45 of ventilation duct 43 and cabinet 41 isolation, and described cover plate 45 is used for further increasing the sealing property of outer cover plate 42.
As shown in Figure 1, further, below-grade closure of the present utility model also comprises lowering or hoisting gear 6, and described lowering or hoisting gear 6 comprises elevating lever 61 that can slide up and down along described fixed mount 2 and the Hand operating hoist 62 of being located at described elevating lever 61 tops.Particularly, adopt guide tracked being slidingly connected between described elevating lever 61 and the fixed mount 2, can insert downwards in the fixed mount 2 when not using, do not take up room.Described Hand operating hoist 62 comprises turning handle 621, the rotating shaft (not shown) that is connected with described turning handle 621, is sheathed on the chain lock 622 in the described rotating shaft, the hook 623 that is connected with an end of described chain lock 622.When needs are put into melt pit 1 with below-grade closure, earlier elevating lever 61 is risen, the hook 523 of leaving behind then will be linked up with 623 and be suspended on the rack, next use hand fixed handle 621, rack can be put in the melt pit 1; Equally, when needs to the rack place under repair or when safeguarding, also can also rack can be transported in melt pit 1 in this way.Should be appreciated that Hand operating hoist 62 of the present utility model also can replace with chain block.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. below-grade closure, it is characterized in that: comprise the fixed mount that is fixedly arranged in the melt pit, described fixed mount is provided with the adjustable shelf that can slide up and down along described fixed mount, be installed with rack on the described adjustable shelf, described rack is provided with ventilation duct, described ventilation duct extends the upper end and the two side of described rack, and described rack upper end also is provided with the heat abstractor that is communicated with described ventilation duct and rack.
2. a kind of below-grade closure as claimed in claim 1, it is characterized in that: described heat abstractor comprises radiating tube, temperature detect switch (TDS), water logging switch, outer circulation fan, interior circulating fan, one end of described radiating tube is positioned at described cabinet, the other end is positioned at described ventilation duct, described temperature detect switch (TDS) is located in the described cabinet, described water logging switch is located at the lateral wall of described cabinet, and described outer circulation fan is positioned at described ventilation duct, and described interior circulating fan is positioned at described cabinet.
3. a kind of below-grade closure as claimed in claim 2 is characterized in that: described radiating tube comprises copper pipe and is located at radiating fin on the tube wall of described copper pipe, the transpirable working media in back that is heated is housed in the described copper pipe.
4. as claim 1 or 3 described a kind of below-grade closure, it is characterized in that: also comprise lowering or hoisting gear, described lowering or hoisting gear comprises elevating lever that can slide up and down along described fixed mount and the Hand operating hoist of being located at described elevating lever top, and described Hand operating hoist comprises turning handle, the rotating shaft that is connected with described turning handle, is sheathed on the chain lock in the described rotating shaft, the hook that is connected with an end of described chain lock.
5. a kind of below-grade closure as claimed in claim 4 is characterized in that: adopt guide tracked being slidingly connected between described elevating lever and the fixed mount.
6. a kind of below-grade closure as claimed in claim 1 is characterized in that: described rack comprises cabinet and the outer cover plate that cooperates with described cabinet, and described ventilation duct is located on the described outer cover plate and is extended to the two side of described cabinet.
7. a kind of below-grade closure as claimed in claim 6, it is characterized in that: the wall of described cabinet becomes the structure of corrugation for adopting the panel beating light sheet bending, the top fixed head of described cabinet is fixed by welding in together between the wall of described cabinet and the top fixed head for adopting the structure of doubling plate pressing.
8. a kind of below-grade closure as claimed in claim 6 is characterized in that: be the structure that adopts the doubling plate pressing around the described outer cover plate.
9. a kind of below-grade closure as claimed in claim 6 is characterized in that: described outer cover plate inside is provided with can be with the cover plate of ventilation duct and cabinet isolation.
10. a kind of below-grade closure as claimed in claim 6 is characterized in that: also be provided with the waterproof vent valve that is positioned at described ventilation duct on the described outer cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200563719U CN201623947U (en) | 2010-01-11 | 2010-01-11 | Underground cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200563719U CN201623947U (en) | 2010-01-11 | 2010-01-11 | Underground cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201623947U true CN201623947U (en) | 2010-11-03 |
Family
ID=43027399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200563719U Expired - Lifetime CN201623947U (en) | 2010-01-11 | 2010-01-11 | Underground cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201623947U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491227A (en) * | 2011-11-16 | 2012-06-13 | 深圳日海通讯技术股份有限公司 | Distributing box lifting device applicable to communication manhole |
| CN102752983A (en) * | 2012-07-12 | 2012-10-24 | 华为技术有限公司 | Underground cabinet apparatus |
| CN108174556A (en) * | 2017-12-28 | 2018-06-15 | 安徽大兴建设工程有限公司 | A kind of lifting communication cabinet |
| CN110308532A (en) * | 2017-11-14 | 2019-10-08 | 温州洪启信息科技有限公司 | A kind of application of the used in room with dust-proof function fiber box for communication equipment |
| CN112367811A (en) * | 2020-11-10 | 2021-02-12 | 祝敏 | Big data platform data storage server rack |
-
2010
- 2010-01-11 CN CN2010200563719U patent/CN201623947U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491227A (en) * | 2011-11-16 | 2012-06-13 | 深圳日海通讯技术股份有限公司 | Distributing box lifting device applicable to communication manhole |
| CN102491227B (en) * | 2011-11-16 | 2015-08-05 | 深圳日海通讯技术股份有限公司 | Be suitable for the cross connecting box jacking system that communication manhole uses |
| CN102752983A (en) * | 2012-07-12 | 2012-10-24 | 华为技术有限公司 | Underground cabinet apparatus |
| CN110308532A (en) * | 2017-11-14 | 2019-10-08 | 温州洪启信息科技有限公司 | A kind of application of the used in room with dust-proof function fiber box for communication equipment |
| CN110308532B (en) * | 2017-11-14 | 2020-09-29 | 凯联科技（深圳）有限公司 | Application of indoor dustproof optical fiber distribution box for communication equipment |
| CN108174556A (en) * | 2017-12-28 | 2018-06-15 | 安徽大兴建设工程有限公司 | A kind of lifting communication cabinet |
| CN112367811A (en) * | 2020-11-10 | 2021-02-12 | 祝敏 | Big data platform data storage server rack |
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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: 20101103 |
|
| CX01 | Expiry of patent term |