CN213905891U - High-voltage switch cabinet with dehumidification function - Google Patents

Abstract

The utility model relates to a high tension switchgear with dehumidification function, it includes that the cabinet body, electrical component, dehumidifier and external connection connect the ware of drawing. On one hand, the utility model ensures that all cables and electric elements in the cable chamber are in relatively dry environment through the arrangement of the dehumidifier in the cable chamber, and reduces the danger coefficient which may appear; on the other hand, under the guide and the direction of aligning the external connection clamping channel, the external connection is communicated with the wiring terminal on the upper part in a relatively natural state, the probability of short circuit or open circuit of the external connection is reduced, meanwhile, the wiring does not need to be bent through multiple paths, the wiring is reasonable, and the phenomenon of wiring addition is avoided.

Description

High-voltage switch cabinet with dehumidification function

Technical Field

The utility model belongs to the high tension switchgear field, concretely relates to high tension switchgear with dehumidification function.

Background

As is well known, a high voltage switch cabinet is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system to perform switching, control or protection functions. The high-voltage switch cabinet is used as an electric appliance product with the voltage grade of 3.6 kV-550 kV, a high-voltage isolating switch, a grounding switch, a high-voltage load switch, a high-voltage automatic reclosing and sectionalizing device, a high-voltage operating mechanism, a high-voltage explosion-proof power distribution device, a high-voltage switch cabinet and the like.

At present, once a high-voltage switch cabinet is used in a wet environment, water drops are easily formed on the electric elements or the wiring surface of the high-voltage switch cabinet, if the indoor position of a cable chamber cannot be guaranteed to be in a relatively dry environment, great danger exists, meanwhile, the external wires of the high-voltage switch cabinet generally penetrate through a set wiring hole and are communicated with wiring terminals in the cabinet, and then the corresponding electric elements are communicated in a serial connection mode and a parallel connection mode through wiring terminal channel wires.

Although the mode that foretell external line was inserted can satisfy the wiring requirement, the line in wiring hole department is generally all in tightening or transition bending state, that is to say the cable is in unnatural state (also be the stress state) for a long time, in case circular telegram and long-term the back of using, the phenomenon that the external line in wiring hole department appears the short circuit or opens circuit takes place in, simultaneously, walk the line and beautifully, walk the line and all laminate cabinet body edge in addition, in case the external line of reserving is not long enough, then need add a section of line of connecing and just can communicate with electric elements.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified high tension switchgear with dehumidification function.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a high tension switchgear with dehumidification function, which comprises a cabinet body, electrical components, the dehumidifier that sets up in the cable chamber one side of the cabinet body, and the external line connects and draws the ware, wherein the external line connects and draws the ware including the connecing of corresponding setting in external wiring hole one side and draws the seat, can set up to connect on connecing and draw the seat and the axial lead level sets up connects the leading wheel and draw the wheel down, and will connect respectively and draw the wheel location under and connect last setting element and on connecing the seat of leading, wherein connect and form external connection centre gripping passageway under and between the leading wheel, the center of external connection centre gripping passageway aligns with the center of external wiring hole, the external connection passes in external wiring hole center and the external connection centre gripping passageway, and the wheel face that the external wiring hole was kept away from to the leading wheel upwards direction and binding post intercommunication on the laminating.

Preferably, the dehumidifier comprises a dehumidifier body and a drain pipe which are positioned in the cable chamber, wherein the drain pipe is communicated with the cable trench at the bottom of the cabinet body, and the dehumidified water is discharged out of the cabinet body.

Further, the high-voltage switch cabinet further comprises a humidity sensor used for detecting the humidity of the gas in the cable chamber, wherein the humidity sensor is communicated with the dehumidifier body, and the humidity sensor controls the starting or stopping of the dehumidifier body. In the field of sensor control, the method for controlling the automatic start-up or stop of the dehumidifier body through the detection result is also a very mature means.

Preferably, the upper guide wheel and the lower guide wheel are respectively provided with an upper wheel groove and a lower wheel groove which are inwards sunken from the wheel surface, an external connecting wire clamping channel is formed between the upper wheel groove and the lower wheel groove, and an external connecting wire is matched with the upper wheel groove from the upper part and is matched with the lower wheel groove from the lower part. Under the wheel groove limitation, the external connecting wire is prevented from being guided to move backwards, so that the external connecting wire is prevented from loosening or falling off.

Furthermore, the upper guide wheel and the lower guide wheel are aligned up and down and are arranged at intervals. Thus, the clamping and positioning of the external wires are convenient to implement.

According to a specific implementation of the utility model and preferred aspect, connect the leading wheel and connect the leading wheel down on connecing the seat through last shaft and lower shaft connection respectively, and connect the leading wheel down and set up round the axial lead free rotation of last shaft and lower shaft respectively on going up. Under the free rotation of the upper guide wheel and the lower guide wheel, the device is equivalent to a pair of feeding roller rollers, and the guiding of external wires are very convenient.

Preferably, an upper adjusting hole and a lower adjusting hole are formed in the guide connecting seat, and the end part, far away from the upper guide connecting wheel, of the upper wheel shaft transversely penetrates through the upper adjusting hole and can move up and down in the upper adjusting hole; the end part of the lower wheel shaft far away from the lower guide wheel transversely penetrates through the lower adjusting hole and can move up and down in the lower adjusting hole. Under the relative regulation of the upper and lower guide wheels, the external connection wire with different external diameters can be guided and guided.

According to the utility model discloses a still another concrete implementation and preferred aspect, go up the setting element including fixing on the last shaft and be located to connect the draw wheel and connect the spacer sleeve between the seat, be located the spacer sleeve and connect the first elastic component between the seat of drawing, with last shaft emit the tip that connects the seat of drawing screw-thread fit's lock nut mutually, and the cover is established on last shaft and be located to connect the second elastic component between seat of drawing and the lock nut, wherein when the locking, first elastic component and second elastic component deformation compression, the clamping-force that lock nut and separation cover provided will go up the shaft and connect and draw the seat and lock relatively. The relative locking is realized under the elastic clamping of the elastic pieces arranged on the left and the right, and meanwhile, conditions are provided for fine adjustment of the axial movement of the guide wheel.

Preferably, the upper positioning member further comprises a first gasket arranged between the first elastic member and the guide seat, and a second gasket arranged between the second elastic member and the guide seat. Under the arrangement of the gasket, the adjustment of the guide wheel is convenient to implement up and down.

Specifically, the lower positioning piece and the upper positioning piece have the same structure. The structure is simplified, and meanwhile, the assembly of the installation parts is facilitated.

In addition, the external wire leading device also comprises a tension spring arranged between the blocking sleeve of the upper positioning piece and the blocking sleeve of the lower positioning piece. Under the effect of extension spring, keep going up to connect the guide pulley and be in the trend of drawing close relatively with lower guide pulley, ensure the stability of external connection centre gripping passageway.

Preferably, the lantern ring is established to the cover on outer wiring hole, and the external connection passes in the lantern ring, and from the lantern ring to the external connection horizontal installation of external connection centre gripping passageway. Under the effect of the lantern ring, the protection external connection avoids the damage to cause the electric leakage, and this section external connection level sets up simultaneously, can avoid the transition contact of the edge in external connection hole and external connection, reduces the external connection and appears the probability of short circuit or open circuit.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

on one hand, the utility model ensures that all cables and electric elements in the cable chamber are in relatively dry environment through the arrangement of the dehumidifier in the cable chamber, and reduces the danger coefficient which may appear; on the other hand, under the guide and the direction of aligning the external connection clamping channel, the external connection is communicated with the wiring terminal on the upper part in a relatively natural state, the probability of short circuit or open circuit of the external connection is reduced, meanwhile, the wiring does not need to be bent through multiple paths, the wiring is reasonable, and the phenomenon of wiring addition is avoided.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a high-voltage switch cabinet of the present invention;

FIG. 2 is an enlarged view of the structure of the external lead connector of FIG. 1;

wherein: G. a cabinet body; D. an electrical component; C. a dehumidifier; c1, dehumidifier body; c2, a drain pipe; q, an external wire connector;

1. a lead connecting seat; 10. an upper adjustment hole; 11. a lower adjustment aperture;

2. a guide wheel is connected upwards; 20. an upper wheel groove; a. an upper wheel axle;

3. a lower guide wheel; 30. a lower wheel groove; b. a lower wheel axle;

4. an upper positioning member; 40, 50, a barrier sleeve; 41, 51, a first elastic member; 42, 52, lock nut; 43, 53, a second elastic member; 44, 54, a first gasket; 45, 55, a second gasket;

5. a lower positioning member;

6. a wiring terminal;

7. a tension spring;

x, external connecting wire; k. an outer wiring hole; t, a lantern ring.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the high voltage switch cabinet with dehumidification function of this embodiment includes a cabinet body G, an electrical component D, a dehumidifier C, and an external wire connector Q.

Specifically, the dehumidifier C includes a dehumidifier body C1 and a drain pipe C2 located in the cable chamber, wherein the drain pipe C1 is communicated with the cable trench at the bottom of the cabinet G and drains the dehumidified water out of the cabinet.

In this embodiment, the high voltage switch cabinet further comprises a humidity sensor for detecting the humidity of the air in the cable chamber, wherein the humidity sensor is communicated with the dehumidifier body and controls the start-up or stop of the dehumidifier body by the humidity sensor. In the field of sensor control, it is a very mature means to control the automatic start-up or stop of the dehumidifier body according to the detection result, and it is not explained in detail here, and it is clear and practicable.

As shown in fig. 2, the external wire connector Q includes a connecting seat 1 correspondingly disposed on one side of the external wire connecting hole k, an upper connecting wheel 2 and a lower connecting wheel 3 which are disposed on the connecting seat 1 in an up-down adjustable manner and have a horizontal axis, and an upper positioning member 4 and a lower positioning member 5 which respectively position the upper connecting wheel 2 and the lower connecting wheel 3 on the connecting seat 1.

Specifically, an upper adjusting hole 10 and a lower adjusting hole 11 are formed on the guide connecting seat 1.

The upper guide wheel 2 and the lower guide wheel 3 are respectively connected on the guide seat 1 through an upper wheel shaft a and a lower wheel shaft b, and the upper guide wheel 2 and the lower guide wheel 3 are respectively arranged around the axial lead of the upper wheel shaft a and the axial lead of the lower wheel shaft b in a free rotating way. Under the free rotation of the upper guide wheel and the lower guide wheel, the device is equivalent to a pair of feeding roller rollers, and the guiding of external wires are very convenient.

In this example, the end part of the upper wheel shaft a far away from the upper guide wheel 2 crosses the upper adjusting hole 10 and can move up and down in the upper adjusting hole 10; the end of the lower axle b remote from the lower traction wheel 3 traverses the lower adjustment hole 11 and can move up and down in the lower adjustment hole 11. Under the relative regulation of the upper and lower guide wheels, the external connection wire with different external diameters can be guided and guided.

The upper guide wheel 2 and the lower guide wheel 3 are aligned up and down and are arranged at intervals. Thus, the clamping and positioning of the external wires are convenient to implement.

The upper lead wheel 2 and the lower lead wheel 3 are respectively provided with an upper wheel groove 20 and a lower wheel groove 30 which are inwards sunken from the wheel surface, wherein an outer wiring clamping channel is formed between the upper wheel groove 20 and the lower wheel groove 30, the center of the outer wiring clamping channel is aligned with the center of an outer wiring hole k, and an outer wiring X penetrates through the center of the outer wiring hole and the outer wiring clamping channel and is attached to the wheel surface of the upper lead wheel 2, which is far away from the outer wiring hole k, to be upwards guided to be communicated with the wiring terminal 6.

In this example, the external line X is matched with the upper wheel groove 20 from the upper portion and the lower wheel groove 30 from the lower portion. Under the wheel groove limitation, the external connecting wire is prevented from being guided to move backwards, so that the external connecting wire is prevented from loosening or falling off.

The upper positioning member 4 includes a blocking sleeve 40 fixed on the upper axle a and located between the upper guide wheel 2 and the guide connecting seat 1, a first elastic member 41 located between the blocking sleeve 40 and the guide connecting seat 1, a locking nut 42 in threaded fit with the end of the upper axle a protruding out of the guide connecting seat 1, a second elastic member 43 sleeved on the upper axle a and located between the guide connecting seat 1 and the locking nut 42, a first gasket 44 disposed between the first elastic member 41 and the guide connecting seat 1, and a second gasket 45 disposed between the second elastic member 43 and the guide connecting seat 1, wherein during locking, the first elastic member 41 and the second elastic member 43 deform and compress, and the clamping force provided by the locking nut 42 and the blocking sleeve 40 locks the upper axle a and the guide connecting seat 1 relatively. The relative locking is realized under the elastic clamping of the elastic pieces arranged on the left and the right, and meanwhile, conditions are provided for fine adjustment of the axial movement of the guide wheel; under the arrangement of the gasket, the adjustment of the guide wheel is convenient to implement up and down.

In this example, the lower retainer 5 and the upper retainer 4 have the same structure. The structure is simplified, and meanwhile, the assembly of the installation parts is facilitated.

Specifically, the lower positioning member 5 includes a blocking sleeve 50 fixed on the lower axle b and located between the lower guide wheel 3 and the guide connecting seat 1, a first elastic member 51 located between the blocking sleeve 50 and the guide connecting seat 1, a locking nut 52 in threaded fit with an end of the lower axle b protruding out of the guide connecting seat 1, a second elastic member 53 sleeved on the lower axle b and located between the guide connecting seat 1 and the locking nut 52, a first gasket 54 disposed between the first elastic member 51 and the guide connecting seat 1, and a second gasket 55 disposed between the second elastic member 53 and the guide connecting seat 1, wherein during locking, the first elastic member 51 and the second elastic member 53 are deformed and compressed, and the clamping force provided by the locking nut 52 and the blocking sleeve 50 locks the lower positioning axle b and the guide connecting seat 1 relatively.

The external cable connector furthermore comprises a tension spring 7 arranged between the blocking sleeve 40 of the upper positioning element 4 and the blocking sleeve 50 of the lower positioning element 5. Under the effect of extension spring, keep going up to connect the guide pulley and be in the trend of drawing close relatively with lower guide pulley, ensure the stability of external connection centre gripping passageway.

Meanwhile, a lantern ring t is sleeved on the external wiring hole k, an external wiring X penetrates through the lantern ring t, and the external wiring X is horizontally arranged from the lantern ring t to the external wiring clamping channel. Under the effect of the lantern ring, the protection external connection avoids the damage to cause the electric leakage, and this section external connection level sets up simultaneously, can avoid the transition contact of the edge in external connection hole and external connection, reduces the external connection and appears the probability of short circuit or open circuit.

To sum up, the utility model has the following advantages:

1) through the arrangement of the dehumidifier in the cable chamber, all cables and electric elements in the cable chamber are ensured to be in a relatively dry environment, and the possible danger coefficient is reduced;

2) under the guiding and guiding of the clamping channel aligned with the external connecting wire, the external connecting wire is communicated with the connecting terminal at the upper part in a relatively natural state, so that the probability of short circuit or open circuit of the external connecting wire is reduced;

3) the wiring does not need to be bent for multiple times, and the wiring is reasonable, so that the phenomenon of wiring addition is avoided;

4) the relative adjustment of the external connecting clamping channel can meet the requirements of leading and guiding of external connecting wires with different outer diameters, and meanwhile, the phenomenon that the external connecting wires passing through the external connecting clamping channel are loosened or fall off is avoided.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the scope of the present invention is not limited thereto, and the present invention is not limited to the above-mentioned embodiments, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims (10)

1. The utility model provides a high tension switchgear with dehumidification function, its includes the cabinet body, electric elements, its characterized in that: high tension switchgear still including setting up the dehumidifier and the external line of cable chamber one side of the cabinet body connect and draw the ware, the external line connect and draw the ware including correspond set up connect outside wiring hole one side draw the seat, can set up with adjusting from top to bottom connect on draw the seat and the axial lead level set up connect draw the wheel with draw the wheel down and will respectively on connect draw the wheel and draw the wheel location down connect last setting element and lower setting element on drawing the seat, wherein connect on and draw the wheel and lead down and form the external tapping centre gripping passageway between the wheel, the center of external tapping centre gripping passageway with the center of outside wiring hole aligns, the external tapping certainly pass in external wiring hole center and the external tapping centre gripping passageway, and laminate on connect the wheel and keep away from the wheel face of outside wiring hole is the direction and binding post intercommunication upwards.

2. The high-voltage switch cabinet with dehumidification function as claimed in claim 1, wherein: the dehumidifier comprises a dehumidifier body and a drain pipe which are positioned in the cable chamber, wherein the drain pipe is communicated with the cable trench at the bottom of the cabinet body and the dehumidified water is discharged out of the cabinet body.

3. The high-voltage switch cabinet with dehumidification function of claim 2, wherein: the high-voltage switch cabinet further comprises a humidity sensor for detecting the humidity of the air in the cable chamber, wherein the humidity sensor is communicated with the dehumidifier body and controls the starting or stopping of the dehumidifier body.

4. The high-voltage switch cabinet with dehumidification function as claimed in claim 1, wherein: the upper and lower guide wheels are respectively provided with an upper wheel groove and a lower wheel groove which are inwards sunken from wheel surfaces, wherein the upper wheel groove and the lower wheel groove form an external wiring clamping channel, and external wiring is matched with the upper wheel groove from the upper part and is matched with the lower wheel groove from the lower part.

5. The high-voltage switch cabinet with dehumidification function as claimed in claim 4, wherein: the upper guide wheel and the lower guide wheel are vertically aligned and are arranged at intervals.

6. The high-voltage switch cabinet with dehumidification function according to claim 4 or 5, wherein: the upper guide wheel and the lower guide wheel are respectively connected to the guide seat through an upper wheel shaft and a lower wheel shaft, and the upper guide wheel and the lower guide wheel are respectively arranged around the axial leads of the upper wheel shaft and the lower wheel shaft in a free rotating mode.

7. The high-voltage switch cabinet with dehumidification function of claim 6, wherein: an upper adjusting hole and a lower adjusting hole are formed in the guide connecting seat, and the end part, far away from the upper guide connecting wheel, of the upper wheel shaft transversely penetrates through the upper adjusting hole and can move up and down in the upper adjusting hole; the end part of the lower wheel shaft far away from the lower guide wheel transversely penetrates through the lower adjusting hole and can move up and down in the lower adjusting hole.

8. The high-voltage switch cabinet with dehumidification function of claim 7, wherein: the upper positioning piece comprises a blocking sleeve fixed on the upper wheel shaft and positioned between the upper guide wheel and the guide seat, a first elastic piece positioned between the blocking sleeve and the guide seat, a locking nut matched with the end part of the guide seat in a threaded manner and a second elastic piece sleeved on the upper wheel shaft and positioned between the guide seat and the locking nut, wherein when the locking is performed, the first elastic piece and the second elastic piece are deformed and compressed, and the locking nut and the clamping force provided by the blocking sleeve can relatively lock the upper wheel shaft and the guide seat.

9. The high-voltage switch cabinet with dehumidification function of claim 8, wherein: the upper positioning part further comprises a first gasket arranged between the first elastic part and the guide seat and a second gasket arranged between the second elastic part and the guide seat.

10. The high-voltage switch cabinet with dehumidification function as claimed in claim 9, wherein: the structure of the lower positioning piece is the same as that of the upper positioning piece, and the external wire leading device further comprises a tension spring arranged between the blocking sleeve of the upper positioning piece and the blocking sleeve of the lower positioning piece.

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