CN204760784U - High tension switchgear with automatically, function dehumidifies - Google Patents
High tension switchgear with automatically, function dehumidifies Download PDFInfo
- Publication number
- CN204760784U CN204760784U CN201520396698.3U CN201520396698U CN204760784U CN 204760784 U CN204760784 U CN 204760784U CN 201520396698 U CN201520396698 U CN 201520396698U CN 204760784 U CN204760784 U CN 204760784U
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- drier
- tension switch
- air inlet
- switch cabinet
- way valve
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Abstract
The utility model discloses a high tension switchgear with automatically, function dehumidifies, include the cabinet body that is surrounded into the cuboid by roof, bottom plate, curb plate, backplate and panel, the cabinet is internal to be equipped with a plurality of handcarts that can independent pull, still includes humidity regulation and control device, humidity regulation and control device includes drier box and humidity inductor, be equipped with the drier in the drier box, the drier box is equipped with air inlet and gas vent, air inlet and gas vent are equipped with the filter screen, the gas vent is connected with the fan, humidity transducer with the control circuit electricity of fan is connected. The beneficial effects of the utility model are that: has the good automation function that dehumidifies.
Description
Technical field
The utility model relates to a kind of high-tension distribution equipment, particularly relates to a kind of high-tension switch cabinet with automatic dehumidifying function.
Background technology
High-tension switch cabinet is the visual plant in high pressure power transmission and distribution field, and its fail safe reliability stability is significant to power transmission and distribution operation.Existing high-tension switch cabinet introduces cart frame, by the design of different cell module in different handcarts, to realize sub-module planning, sub-module management, sub-module maintaining, has good turning property mutually.Such as publication number is that the Chinese patent literature of " CN203839798U " discloses one " clutch system ", comprise the underframe of bottom and the installing rack on top, described installing rack comprises the epipleural being connected to the left and right sides, underframe top vertically, on the top of the two blocks of epipleurals in left and right, middle part, insulator mounting panel is connected between bottom, convertible stiffener, and instrument transformer mounting panel, convertible stiffener is provided with insulator installing hole, described insulator mounting panel, the two ends of convertible stiffener and instrument transformer mounting panel are respectively by positioning threads connector and two blocks, left and right epipleural can forming and removably connect.High-tension switch cabinet works under high-voltage large current, has strict demand to ambient humidity.Exceed the humidity of the setting upper limit, easily produce the electric leakage of cross-line electric arc, cause short circuit to be tripped, even serious threat is produced to the safety of operating personnel; On long terms, produce oxidation slowly to the metallic conductor of inside, cause the resistance of conductor to increase, conduction efficiency declines, and equipment easily generates heat, and causes high temperature fire, or greatly reduces the useful life of high-tension switch cabinet because conductor loses efficacy.Traditional solution builds independently high-tension switch cabinet cashier's office, is placed in by high-tension switch cabinet in cashier's office, regulated the ambient humidity in cashier's office by professional, Special Equipment, to meet the humidity requirement of high-tension switch cabinet.This just has higher requirement to place, construction cost and cost of labor, is difficult to meet growing electricity needs, is difficult to reduce electric cost.
Utility model content
The utility model technical issues that need to address are, existing high-tension switch cabinet does not possess when exceeding standard to the function that humidity regulates self, thus provide a kind of high-tension switch cabinet with automatic dehumidifying function.
To achieve these goals, the utility model adopts following technical scheme: a kind of high-tension switch cabinet with automatic dehumidifying function, comprise the cabinet being encircled into cuboid by top board, base plate, side plate, backboard and panel, be provided with in cabinet some can the handcart of independent pull, also comprise humidity regulation device; Described humidity regulation device comprises drier casing and humidity sensor; Drier is provided with in described drier casing; Described drier casing is provided with air inlet and exhaust outlet, and described air inlet and exhaust outlet are provided with filter screen; Described exhaust outlet is connected with fan; Described humidity sensor is electrically connected with the control circuit of described fan.
This programme is provided with a drier casing in high-tension switch cabinet, has taken up drier in drier casing.Owing to being to be arranged in high-tension switch cabinet therefore recommendations for selection desiccants, and with filter screen, drier is blocked in drier casing.Drier casing is by the air communication in air inlet and exhaust outlet and high-tension switch cabinet, in order to realize airflow, also be connected to a fan at the end of blast pipe, the start and stop of fan are controlled by humidity sensor, when the humidity that humidity sensor detects in high-tension switch cabinet is greater than preset value, just send open command to fan, after starting fan, air-flow enters in drier casing by air inlet, after dried dose of drying, then is discharged by exhaust outlet; When humidity sensor detect air humidity return within preset value time, just send halt instruction to fan, fan stop.Design like this, tentatively achieves the function of high-tension switch cabinet being carried out to automatic dehumidifying.
As preferably, described humidity sensor is provided with inductive head, and described inductive head is located near the inlet channel of described humidity regulation device.When fan work, the desired airflow outside drier casing be humidity minimum at exhaust outlet, humidity the highest at air inlet, therefore the inductive head of humidity sensor is arranged near inlet channel, can more effective monitoring humidity.
As preferably, described air inlet is connected with air inlet pipe, and described exhaust outlet is connected with blast pipe; Be equipped with one-way valve structures in described air inlet pipe and blast pipe, the air-flow conducting direction of described one-way valve structures for pass into drier casing by air inlet pipe, then by drier casing pass-out blast pipe.For air inlet pipe and blast pipe arrange unidirectional valve, when not needing dehumidifying, the air communication inside and outside drier casing can be cut off, effectively extending the useful life of drier.
As preferably, the setting direction of described air inlet pipe and blast pipe is vertical direction; The unidirectional valve that described one-way valve structures comprises way valve passageway and is slidably located in this way valve passageway; The middle part of described way valve passageway is cylindrical, and the one end towards conducting direction is provided with the upper channel mouth of diameter convergence, and one end of conducting direction is provided with lower channel opening dorsad, and described lower channel opening is truncated cone; Described unidirectional valve comprises the unidirectional valve blind end of the unidirectional valve main body of mating with described way valve passageway cylindrical and the lower channel opening form fit with described way valve passageway, axially on the face of cylinder of described unidirectional valve main body is provided with some fluid groove.In this programme unidirectional valve automatically reset that what rely on is Action of Gravity Field, therefore in the technical program, air inlet pipe and blast pipe are set to upper and lower vertical direction.When starting fan, blast pipe internal gas pressure diminishes, unidirectional valve in blast pipe is subject to atmospheric pressure upward sliding, unidirectional valve blind end is separated with the lower channel opening of way valve passageway, air-flow flows into way valve passageway by unidirectional valve blind end, and the fluid groove that the face of cylinder by unidirectional valve main body is axially arranged with is passed through, and left by the upper channel mouth of way valve passageway.Now, the air pressure in drier casing diminishes, and the air outside air inlet pipe is flowed in drier casing by the one-way valve structures being located at the same structure of air inlet pipe.Now, two one-way valve structures are all in conducting state, achieve the circulation of air-flow, and excessively wet air enters in drier casing by air inlet pipe, is discharged after dried dose of drying by blast pipe again.When after stopping fan rotation, air pressure in blast pipe recovers, and unidirectional valve relies on gravity landing to the lower channel opening of unidirectional valve blind end with way valve passageway from eminence, and recover face contact, then the gas channel of blast pipe is cut-off; Now, drier casing internal gas pressure also recovers, and unidirectional valve relies on gravity landing to occur that face contacts to unidirectional valve blind end with the lower channel opening of way valve passageway from eminence, and the air-flow of same air inlet pipe is also cut off.Design like this achieves the automatic closedown of two gas channels of drier casing.
As preferably, the inside of described unidirectional valve is provided with balancing weight.In order to improve the sensitivity of unidirectional valve landing, add balancing weight in unidirectional valve inside.
As preferably, be provided with some drier box partitions in described drier casing, what described drier box partition was parallel to each other is alternately fixed on drier casing forward-and-rearward sidewall.The design is being arranged alternately by drier box partition, drier casing is divided into a single cycle passage, makes the drier in each region in drier casing can play desiccation uniformly, can extend the useful life of drier.
As preferably, described humidity regulation device is located on the handcart described in.A whole set of humidity regulation device is all arranged on a handcart by this programme, is convenient to the replacing of installation and maintenance and drier, also can not have an impact to other spaces of high-tension switch cabinet.Meanwhile, such design is to mass production and use humidity regulation device also to have positive effect.
As preferably, each handcart described in cabinet on lower leaf arrange; The described handcart being provided with humidity regulation device is positioned at described cabinet orlop.For avoiding producing possible impact to other spaces of high-tension switch cabinet, the more satisfactory plan of establishment is that just lower leaf is arranged on each handcart, and the handcart being provided with humidity regulation device is positioned at described cabinet orlop.
As preferably, described handcart is equipped with air-flow through hole in the position near described backboard and panel.The design is that each handcart is provided with an one-way gas flow passage, dry air is flowed out by humidity regulation device, enter each handcart by the air-flow through hole near side, the humid air of crossing in each handcart flows out from the air-flow through hole of opposite side, flows to the air inlet pipe direction of humidity regulation device.Air in each handcart can be made like this to have roughly uniform humidity.
As preferably, described panel is provided with transparent observation window, the position of described observation window and the screen position of described humidity sensor adaptive.The number of degrees of humidity sensor observed at any time by observation window with helping monitor staff, grasp the operating state of humidity regulation device.
In sum, the beneficial effects of the utility model are: have good automatic dehumidifying function.
Accompanying drawing explanation
Fig. 1 is a kind of isometric drawing of the present utility model,
Fig. 2 is a kind of structural representation of the present utility model,
Fig. 3 is A portion enlarged drawing in Fig. 2,
Fig. 4 is the vertical view of unidirectional valve.
Wherein: 1 top board, 2 base plates, 3 side plates, 4 panels, 5 handcarts, 6 humidity sensors, 41 observation windows, 61 inductive heads, 71 drier casings, 72 air inlet pipe, 73 blast pipes, 74 fans, 75 drier box partitions, 76 drier, 77 filter screens, 81 way valve passageway, 82 unidirectional valves, 811 lower channel openings, 812 upper channel mouths, 821 unidirectional valve main bodys, 822 unidirectional valve blind ends, 823 fluid groove, 824 balancing weights; Arrow direction is air current flow direction.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment as shown in Figure 1, a kind of high-tension switch cabinet with automatic dehumidifying function, is one and is encircled into the cabinet of cuboid by top board 1, base plate 2, side plate 3, backboard and panel 4, and wherein panel is provided with a transparent observation window 41.
As shown in Figure 2, two cabinet dividing plates are provided with in cabinet, three layers are separated into up and down by cabinet, a handcart 5 is set in every layer, the anterior position near panel of each handcart and rear portion are equipped with air-flow through hole 9 near the position of backboard, make air-flow be free to flow inside and outside handcart, wherein under handcart in be provided with humidity regulation device.Humidity regulation device comprises the drier casing 71 that is placed with drier 76, drier casing is provided with exhaust outlet near the below of the side of panel, is communicated with blast pipe 73, is provided with air inlet near the top of the side of backboard, be communicated with by air inlet pipe 72, the end of blast pipe is connected with fan 74.Air inlet and exhaust ports are all fixed with filter screen 77, to be blocked in drier casing by drier.Silica-gel desiccant selected by drier in this example.Humidity regulation device also comprises humidity sensor 6, the screen position of humidity sensor mates with the observation window on panel, can observe at any time for staff, the inductive head 61 of humidity sensor is located near the inlet end of air inlet pipe, humidity sensor is also electrically connected with the control circuit of fan, can send start stop signal at any time to fan.Two pieces of drier box partitions 75 have been horizontally disposed with in drier casing, one piece of position slightly under, be fixedly connected on drier casing on the antetheca of panel, one piece of position is slightly gone up, be fixedly connected on drier casing on the rear wall of backboard, the space in drier casing is divided into the one-way gas flow passage of S shape by two pieces of drier box partitions.Air inlet pipe and blast pipe are vertically arranged near the front side wall of drier casing and rear wall respectively, one end of air inlet pipe is connected with the air inlet of drier casing, other end opening is positioned at below, one end of blast pipe is connected with the exhaust outlet of drier casing, other end opening is positioned at top, is equipped with an one-way valve structures in air inlet pipe and blast pipe.
As shown in Figure 3, Figure 4, this one-way valve structures comprises way valve passageway 81 and is slidably located at the unidirectional valve 82 in this way valve passageway; The middle part of way valve passageway is cylindrical, and the one end towards conducting direction is provided with the upper channel mouth 812 of diameter convergence, and one end of conducting direction is provided with lower channel opening 811 dorsad, and lower channel opening is truncated cone; Corresponding, unidirectional valve comprises the cylindrical cylindrical unidirectional valve main body 821 of mating with way valve passageway, and the unidirectional valve blind end 822 of truncated cone with the lower channel opening form fit of way valve passageway.On the face of cylinder of unidirectional valve main body, axis is provided with some fluid groove 823.In this example, the quantity of fluid groove is 4, with 90 ° be disposed on the face of cylinder.In this example, unidirectional valve main material is plastic cement, embedded balancing weight 824, and the balancing weight of this example is steel ball.
A kind of high-tension switch cabinet with automatic dehumidifying function of the present utility model, when the humidity that humidity sensor detects in high-tension switch cabinet is greater than preset value, just sends open command to fan.After starting fan, blast pipe internal gas pressure diminishes, unidirectional valve in blast pipe is subject to atmospheric pressure upward sliding, unidirectional valve blind end is separated with the lower channel opening of way valve passageway, air-flow flows into way valve passageway by unidirectional valve blind end, and the fluid groove that the face of cylinder by unidirectional valve main body is axially arranged with is passed through, and left by the upper channel mouth of way valve passageway.Now, the air pressure in drier casing diminishes, and the air outside air inlet pipe is flowed in drier casing by the one-way valve structures being located at the same structure of air inlet pipe.Now, two one-way valve structures are all in conducting state, and excessively wet air is flowed out by the air-flow through hole near backboard by each handcart, enters in drier casing, discharged after dried dose of drying by blast pipe again by air inlet pipe.The dry air of discharging is flowed into by the air-flow through hole near panel by each handcart, and so forth, realizes circulation.When humidity sensor detect air humidity return within preset value time, just send halt instruction to fan, fan stop.When after stopping fan rotation, air pressure in blast pipe recovers, and unidirectional valve relies on gravity landing to the lower channel opening of unidirectional valve blind end with way valve passageway from eminence, and recover face contact, then the gas channel of blast pipe is cut-off; Now, drier casing internal gas pressure also recovers, and unidirectional valve relies on gravity landing to occur that face contacts to unidirectional valve blind end with the lower channel opening of way valve passageway from eminence, and the air-flow of same air inlet pipe is also cut off.Design like this achieves the automatic closedown of two gas channels of drier casing.A kind of high-tension switch cabinet with automatic dehumidifying function of the present embodiment, can Auto-Sensing inner air humidity, automatically start fan and produce air circulation, automatic open check valve opens gas channel, automatic closing one-way valve cuts off gas channel, fully achieves unattended.The operation element of operating personnel is light, only needs to change silica gel drier as required on time, and routine work is only the operating state of being observed humidity sensor by observation window.
Claims (10)
1. one kind has the high-tension switch cabinet of automatic dehumidifying function, comprise the cabinet being encircled into cuboid by top board (1), base plate (2), side plate (3), backboard and panel (4), be provided with in cabinet some can the handcart (5) of independent pull, it is characterized in that, also comprise humidity regulation device; Described humidity regulation device comprises drier casing (71) and humidity sensor (6); Drier (76) is provided with in described drier casing; Described drier casing is provided with air inlet and exhaust outlet, and described air inlet and exhaust outlet are provided with filter screen (77); Described exhaust outlet is connected with fan (74); Described humidity sensor is electrically connected with the control circuit of described fan.
2. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 1, is characterized in that, described humidity sensor is provided with inductive head (61), and described inductive head is located near the inlet channel of described humidity regulation device.
3. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 1 and 2, is characterized in that, described air inlet is connected with air inlet pipe (72), and described exhaust outlet is connected with blast pipe (73); Be equipped with one-way valve structures in described air inlet pipe and blast pipe, the air-flow conducting direction of described one-way valve structures for pass into drier casing by air inlet pipe, then by drier casing pass-out blast pipe.
4. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 3, is characterized in that, the setting direction of described air inlet pipe and blast pipe is vertical direction; Described one-way valve structures comprises way valve passageway (81) and is slidably located at the unidirectional valve (82) in this way valve passageway; The middle part of described way valve passageway is cylindrical, and the one end towards conducting direction is provided with the upper channel mouth (812) of diameter convergence, and one end of conducting direction is provided with lower channel opening (811) dorsad, and described lower channel opening is truncated cone; Described unidirectional valve comprises the unidirectional valve main body (821) of mating with described way valve passageway cylindrical and the unidirectional valve blind end (822) with the lower channel opening form fit of described way valve passageway, axially on the face of cylinder of described unidirectional valve main body is provided with some fluid groove (823).
5. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 4, is characterized in that, the inside of described unidirectional valve is provided with balancing weight (824).
6. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 1 and 2, it is characterized in that, be provided with some drier box partitions (75) in described drier casing, what described drier box partition was parallel to each other is alternately fixed on drier casing forward-and-rearward sidewall.
7. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 1 and 2, is characterized in that, described humidity regulation device is located on the handcart described in.
8. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 7, is characterized in that, each handcart described in cabinet on lower leaf arrange; The described handcart being provided with humidity regulation device is positioned at described cabinet orlop.
9. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 7, is characterized in that, described handcart is equipped with air-flow through hole (9) in the position near described backboard and panel.
10. a kind of high-tension switch cabinet with automatic dehumidifying function according to claim 1 and 2, is characterized in that, described panel is provided with transparent observation window (41), the position of described observation window and the screen position adaptation of described humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396698.3U CN204760784U (en) | 2015-06-10 | 2015-06-10 | High tension switchgear with automatically, function dehumidifies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396698.3U CN204760784U (en) | 2015-06-10 | 2015-06-10 | High tension switchgear with automatically, function dehumidifies |
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| Publication Number | Publication Date |
|---|---|
| CN204760784U true CN204760784U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520396698.3U Expired - Fee Related CN204760784U (en) | 2015-06-10 | 2015-06-10 | High tension switchgear with automatically, function dehumidifies |
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| CN (1) | CN204760784U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075377A (en) * | 2018-01-11 | 2018-05-25 | 重庆市东泰电器实业有限公司 | A kind of dehumidifying switchgear |
| CN109066334A (en) * | 2018-08-15 | 2018-12-21 | 安徽吉乃尔电器科技有限公司 | A kind of high-low pressure cabinet special panel that automatic heat radiation is moisture-proof |
| CN112993779A (en) * | 2021-05-10 | 2021-06-18 | 天津合纵电力设备有限公司 | Electric distribution cubical switchboard |
-
2015
- 2015-06-10 CN CN201520396698.3U patent/CN204760784U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075377A (en) * | 2018-01-11 | 2018-05-25 | 重庆市东泰电器实业有限公司 | A kind of dehumidifying switchgear |
| CN109066334A (en) * | 2018-08-15 | 2018-12-21 | 安徽吉乃尔电器科技有限公司 | A kind of high-low pressure cabinet special panel that automatic heat radiation is moisture-proof |
| CN112993779A (en) * | 2021-05-10 | 2021-06-18 | 天津合纵电力设备有限公司 | Electric distribution cubical switchboard |
| CN112993779B (en) * | 2021-05-10 | 2021-08-06 | 天津合纵电力设备有限公司 | Electric distribution cubical switchboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20190610 |