CN209389462U - A kind of orientation conducting reflux unit - Google Patents
A kind of orientation conducting reflux unit Download PDFInfo
- Publication number
- CN209389462U CN209389462U CN201821974440.7U CN201821974440U CN209389462U CN 209389462 U CN209389462 U CN 209389462U CN 201821974440 U CN201821974440 U CN 201821974440U CN 209389462 U CN209389462 U CN 209389462U
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- cabinet
- cabinet body
- chamber
- interior
- reflux unit
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Abstract
The utility model discloses a kind of orientations, and reflux unit is connected, including cabinet body, the interior of the cabinet are provided with hyperbaric chamber, low-pressure chamber and cable vault；The front and back of the cabinet body is equipped with air vent, for heat dissipation of circulating above and below interior of the cabinet air-flow；It is separated by partition between the low-pressure chamber and hyperbaric chamber, and the low-pressure chamber is located at upper half chamber before interior of the cabinet, the hyperbaric chamber is located at the preceding lower half chamber of interior of the cabinet and rear upper half chamber；The cable vault is located at lower half chamber after interior of the cabinet.Reflux unit is connected according to orientation described in the utility model, by the way that hyperbaric chamber and low-pressure chamber to be isolated, and is equipped with air vent before and after cabinet body, keep whole device topology layout reasonable, convenient for installation and maintenance, heat dissipation channel is rationally effective, and device safety in operation and reliability is greatly improved.
Description
Technical field
The utility model relates to a kind of direct current supply trailer system, in particular to determine in a kind of DC traction power-supply system
To conducting reflux unit.
Background technique
Currently, domestic existing subway transport system generally uses DC1500V or DC750V tractive power supply system, traction is utilized
Rail flows back to electric substation.Since live objective environment is influenced when rail and when the earth poor contact, unavoidably have electric current from
Rail leaks into the earth, generates stray electrical current.Therefore parking lot, rolling stock section, tunnel, overhead in subway (light rail) rail system
It needs that insulation joint is arranged on the track of the Special zones such as bridge, minimize stray electrical current and reduces the range of stray electrical current influence,
To reduce corrosion of the stray electrical current to structure reinforcing bars.And at the rail position using insulation joint, when having locomotive operation, to guarantee
The proper flow of back flow current need to be connected reflux unit using certain orientation, be connected at the insulation knot of underground railway track setting.
But the structure setting of traditional one-way conduction reflux unit is unreasonable, high-low pressure component placement is disorderly and unsystematic, makes
The reliability of device in one-way on state is very low and the installation and maintenance of high-low pressure element is extremely inconvenient.Traditional device in one-way on state
It is entered the wind using bottom of cabinet bulk, the mode of cabinet top outlet air designs air duct to diode radiating, but actual conditions lower cabinet body bottom is
Intimate closed cable duct, has no a large amount of moving airs, cabinet body headspace is narrow, and heat is also difficult to distribute, and cabinet body is set
It fails in the air duct of meter.The heat for the conducting device for being easy to produce amount of heat is set to be difficult to scatter and disappear, strong influence conducting device
Reliability and safety.
Utility model content
The utility model is in order to solve the above technical problems, to provide a kind of topology layout reasonable, and convenient for installation and maintenance, heat dissipation is logical
Rationally reflux unit is connected in the orientation in effective DC traction power-supply system in road.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of orientation conducting reflux unit, including cabinet body, the interior of the cabinet are provided with hyperbaric chamber, low-pressure chamber and cable
Room；
The front and back of the cabinet body is equipped with air vent, for heat dissipation of circulating above and below interior of the cabinet air-flow；
It is separated by partition between the low-pressure chamber and hyperbaric chamber, and the low-pressure chamber is located at upper half chamber before interior of the cabinet
Room, the hyperbaric chamber are located at the preceding lower half chamber of interior of the cabinet and rear upper half chamber；
The cable vault is located at lower half chamber after interior of the cabinet.
According to above-mentioned technical proposal, the utility model provides a kind of novel orientation conducting reflux unit, and the device is by adopting
The indoor class secondary low-voltage element of low pressure and the indoor high voltage device of high pressure are separated with partition, it can when needing to operate
The face of touching keeps apart with an electrical body, so that layout becomes rationally, to improve safety, similarly facilitate repair and maintenance.
Simultaneously by the air vent that two sides opens up before and after cabinet body, interior of the cabinet is made to form air duct, so that interior of the cabinet forms air-flow,
Circulation heat dissipation up and down is realized to the heat dissipation effect of each device element of interior of the cabinet, effectively eliminates traditional design air duct and almost lose
The disadvantage of effect ensures the safety in operation of device and reliability preferably.
Preferably, the cabinet body structure that the cabinet body uses front and back to open the door, the air vent include being arranged under cabinet body front door
The air inlet hole of side and the exhaust vent being arranged in above cabinet body back door.More conducively hot-air of the air-flow in heat transfer process rises former
Reason, promotes the automatic heat convection of air-flow.
It is highly preferred that configuration is equipped with an at least sucking blower at the air inlet hole, matches at the exhaust vent and be arranged
There is an at least extraction blower.To promote bigger air-flow fluid interchange by the power of blower.
More preferably, configuration is equipped with two sucking blowers at the air inlet hole, wherein a sucking blower is as normal
Operation machine, another sucking blower is as guest machine；Also match at the exhaust vent and be arranged with two extraction blowers, wherein one
Blower is extracted out as normal operation machine, another extraction blower is as guest machine.More reinforce fortune of meeting an urgent need to the failure of whole device
Row ensures.
It is further preferred that the device further include with it is described sucking matched with blower cold air manufacturing machine, be arranged in cabinet body
The temperature sensor in portion, and the control host with the cold air manufacturing machine and the mating connection of the temperature sensor；
The temperature sensor can acquire interior of the cabinet temperature information, and send its collected temperature information to institute
State control host；
The control host can control the cold air system according to the reception temperature information, and according to the temperature information
Machine is made to the cold air state of the sucking blower transmission.
According to above-mentioned preferred embodiment, by adding above-mentioned and sucking matched with blower cold air manufacturing machine, being arranged in cabinet body
The temperature sensor in portion, and the control host with the cold air manufacturing machine and the mating connection of the temperature sensor.It can be further
It realizes to device interior of the cabinet monitoring temperature and intelligent radiating control effect.
Further, hinge connects between the cabinet body front door and back door and cabinet body.Convenient for two sides installation maintenance, guaranteeing to fill
It in the case where the degree of protection set, is easily run, monitoring and maintenance work.
Preferably, the partition is L-type partitions, and remains with ventilation gap between the L-type partitions and cabinet body inner wall,
And/or several ventilation holes are provided in the L-type partitions, it allows the flow to each chamber of interior of the cabinet is flowed through, thus to a
Each indoor device element of chamber is sufficiently radiated.
It is further preferred that the inside of the top cover is equipped with several also with detachable top cover is arranged at the top of cabinet body
Ventilation hole.It is preferred that setting the mating fabricated structure for being detachably connected top cover in top, the top surface being more convenient for device for cabinet body
Observation and attended operation；Simultaneously several ventilation holes are preferably provided on the top cover, correspondingly, be additionally provided with inside top cover with
The waterproof unit of the mating setting of several ventilation holes, such as common waterproof flange structural unit, thus ensuring waterproof effect
The heat dissipation effect for further promoting cabinet body (1) internal under fruit.
Preferably, the cabinet body uses independent metal cabinet, and cabinet body is specifically used from fixing bolt by sheet metal and formed.It is more excellent
Selection of land, the cabinet body use with a thickness of 2mm quality steel plate, surface electrostatic painting.
Further, connecting terminal, air switch, trigger, relay, tail optical fiber box, power supply are installed in the low-pressure chamber
And temperature controller；
Electric isolating switch, thyristor, rectifier diode, current sensor, fuse, RC are provided in the hyperbaric chamber
Resistance-capacitance absorption element and varistor；
The copper bar interface with cable connection is provided in the cable vault.
Further, the electric isolating switch and thyristor are located at the preceding upper half chamber of cabinet body；The rectifier diode, electricity
Flow sensor, fuse, RC resistance-capacitance absorption element and varistor are located at the rear upper half chamber of cabinet body.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, reflux unit structure is connected according to orientation described in the utility model, by setting inside existing orientation conducting device
Mutually isolated high-pressure chamber and low-pressure chamber are set, effectively overcomes existing tradition orientation conducting reflux unit, there are structure settings
Unreasonable, high-low pressure component placement is disorderly and unsystematic, the high problem of operating risk, so that layout becomes rationally, to improve safety,
Equally facilitate repair and maintenance.Simultaneously by dexterously in the air vent that two sides opens up before and after cabinet body, making interior of the cabinet shape
At air duct, so that interior of the cabinet forms air-flow, the heat dissipation effect to each device element of interior of the cabinet is realized in circulation heat dissipation up and down,
The disadvantage that traditional design air duct is almost failed is effectively eliminated, protects the safety in operation of device and reliability preferably
Barrier.
2, connection relationship is installed in conjunction with to each device element of orientation described in the utility model conducting reflux unit interior of the cabinet
Layout optimization formed and closed in interior of the cabinet in conjunction with suction ventilator, the exhaust fan to air vent position and with the mating setting of air vent
The airflow channel of reason flows through cold air below cabinet body front door and flows through each device element of interior of the cabinet, reach and effectively efficiently dissipate comprehensively
Thermal effect.
3, it being added further combined with cold air manufacturing machine described in the utility model, temperature sensor and control host, it can be into
One step is realized to device interior of the cabinet monitoring temperature and intelligent radiating control effect.
Detailed description of the invention
Fig. 1 is a kind of main view of orientation conducting reflux unit described in the utility model.
Fig. 2 is a kind of rearview of orientation conducting reflux unit described in the utility model.
Fig. 3 is that interior of the cabinet chamber structure schematic diagram in reflux unit is connected in a kind of orientation described in the utility model.
Fig. 4 is a kind of main view of the orientation conducting reflux unit described in the utility model in hidden cabinet behind the door.
Fig. 5 is a kind of rearview of the orientation conducting reflux unit described in the utility model in hidden cabinet behind the door.
Fig. 6 is that reflux unit interior of the cabinet structural schematic diagram is connected in a kind of orientation described in the utility model.
Marked in the figure: 1- cabinet body, 2- air inlet hole, 3- exhaust vent, upper chamber before 4-, 5- electric isolating switch, 6- thyristor,
Lower chambers before 7-, 8-RC element, 9- varistor, 10- current sensor, 11- fuse, 12- rectifier diode, after 13- on
Half chamber, lower half chamber after 14-, 15- partition.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
As shown in figures 1 to 6, the present embodiment provides a kind of orientations, and reflux unit, including cabinet body (1), the cabinet body (1) is connected
For can the outdoor independently installed metal safe used, which specifically selects sheet metal to fix according to from fixing bolt connection type
Molding.Preferably, 2mm thickness high-quality steel of the sheet metal preferably with surface after antistatic spray treatment.
Further, the front and back of the cabinet body (1) is equipped with air vent, for heat dissipation of circulating above and below interior of the cabinet air-flow；It is preferred that
Ground, the cabinet body structure that the cabinet body (1) uses front and back to open the door, hinge connects between cabinet body (1) front door and back door and cabinet body (1)
It connects, is also convenient for multi-panel installation maintenance with detachable top cover is arranged at the top of cabinet body (1), in the degree of protection for guaranteeing device
In the case where, it is easily run, monitoring and maintenance work.Correspondingly, the air vent includes being arranged at cabinet body (1) front door
The air inlet hole (2) of lower section, and the exhaust vent (3) being arranged in above cabinet body back door.Preferably, the air inlet hole (2) is shutter
Form.Preferably, configuration is equipped with an at least sucking blower at the air inlet hole (2), and/or at the exhaust vent (3)
With being arranged with an at least extraction blower.More preferably, configuration is equipped with two sucking blowers at the air inlet hole (2), wherein
One sucking blower is as normal operation machine, and another sucking blower is as guest machine；And/or also match in the exhaust vent (3)
Two extraction blowers are arranged with, wherein an extraction blower is as normal operation machine, another extraction blower is as guest machine.From
And by above-mentioned sucking blower and/or the power of extraction blower, increase cabinet body (1) internal gas flow circulation intensity, improves cabinet body (1)
Internal heat exchange efficiency.It is further preferred that several ventilation holes are equipped in the inside of the top cover, correspondingly, inside top cover
It is additionally provided with the waterproof unit with several mating settings of ventilation hole, such as common waterproof flange structural unit, thus
The heat dissipation effect for ensuring further to promote cabinet body (1) internal under waterproof effect.
Further, as shown in figure 3, the cabinet body (1) internal chamber is divided into hyperbaric chamber, low-pressure chamber and cable vault.It is excellent
Selection of land, the low-pressure chamber are located at upper half chamber (4) before cabinet body (1) inside, and the hyperbaric chamber is located at lower half chamber before cabinet body (1) inside
Room (7) and rear upper half chamber (13)；The cable vault is located at lower half chamber (14) behind cabinet body (1) inside.The low-pressure chamber and height
It is separated between pressure chamber by L-type partitions (15), the partition (15) is that sheet metal can be selected, and usually selecting is 2mm cold-rolled steel
Plate plastic-spraying sheet metal；Preferably, the partition (15) is insulating sheet material.It is further preferred that the L-type partitions (15) and cabinet
Ventilation gap is remained between the inner wall of body (1), and/or is provided with several ventilation holes on the L-type partitions (15), makes air-flow
It can be to each chamber of interior of the cabinet be flowed through, to sufficiently be radiated to a each indoor device element of chamber.Further, such as Fig. 4-
Shown in 6, connecting terminal, air switch, trigger, relay, tail optical fiber box, power supply and temperature controller are installed in the low-pressure chamber
(not specifically illustrated in figure).Be provided in the hyperbaric chamber electric isolating switch (5), thyristor (6), rectifier diode (12),
Current sensor (10), fuse (11), RC resistance-capacitance absorption element (8) and varistor (9)；And the electric isolating switch
(5) and thyristor (6) is located at the preceding lower half chamber (7) of cabinet body (1)；The rectifier diode (12), is melted current sensor (10)
Disconnected device (11), RC resistance-capacitance absorption element (8) and varistor (9) are located at the rear upper half chamber (13) of cabinet body.In the cable vault
It is provided with and the copper bar interface of cable connection (in figure not specifically illustrated).
A kind of orientation conducting reflux unit provided according to the present embodiment, by by the internal high-pressure chamber of cabinet body (1) and
Low-pressure chamber is isolated by partition, effectively overcomes existing tradition orientation conducting reflux unit, it is unreasonable that there are structure settings, height
Press component placement disorderly and unsystematic, the high problem of operating risk, so that layout becomes rationally, to improve safety, similarly facilitate
Repair and maintenance.Simultaneously on the basis of the layout optimization to each device element of cabinet body (1) each chamber interior installation connection relationship, in conjunction with
To the air vent being arranged before and after cabinet body (1) and with the sucking blower of the mating setting of air vent and/or extraction blower, in interior of the cabinet
Reasonable airflow channel is formed, cold air is flowed through below cabinet body front door and flows through each device element of interior of the cabinet, reach effectively comprehensively
High efficiency and heat radiation effect.In conjunction with above-mentioned whole device structure feature, so that the safety and reliability for running whole device obtains
Greatly improve.
Embodiment 2
The embodiment provide it is a kind of be arranged with intelligence control system orientation be connected reflux unit, which is to implement
A cold air manufacturing machine with the sucking matched with blower, a setting are additionally arranged in a kind of conducting reflux unit of orientation described in example 1
In the temperature sensor of interior of the cabinet, and the control host with the cold air manufacturing machine and the mating connection of the temperature sensor；
The temperature sensor can acquire interior of the cabinet temperature information, and send its collected temperature information to institute
State control host；
The control host can control the cold air system according to the reception temperature information, and according to the temperature information
Machine is made to the cold air state of the sucking blower transmission.
According to above-mentioned apparatus structure, by adding above-mentioned and sucking matched with blower cold air manufacturing machine, being arranged in cabinet body
The temperature sensor in portion, and the control host with the cold air manufacturing machine and the mating connection of the temperature sensor, to realize
To device interior of the cabinet monitoring temperature and intelligent radiating control effect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. reflux unit is connected in a kind of orientation, including cabinet body, the interior of the cabinet are provided with hyperbaric chamber, low-pressure chamber and cable vault；
It is characterized in that,
The front and back of the cabinet body is equipped with air vent, for heat dissipation of circulating above and below interior of the cabinet air-flow；
It is separated by partition between the low-pressure chamber and hyperbaric chamber, and the low-pressure chamber is located at upper half chamber before interior of the cabinet, institute
It states hyperbaric chamber and is located at the preceding lower half chamber of interior of the cabinet and rear upper half chamber；
The cable vault is located at lower half chamber after interior of the cabinet.
2. reflux unit is connected in a kind of orientation according to claim 1, which is characterized in that the cabinet body uses front and back to open the door
Cabinet body structure, the air vent includes the outlet air for the air inlet hole below cabinet body front door being arranged in He being arranged in above cabinet body back door
Hole.
3. reflux unit is connected in a kind of orientation according to claim 2, which is characterized in that match at the air inlet hole and be arranged
There is an at least sucking blower, and/or matches at the exhaust vent and be arranged with an at least extraction blower.
4. reflux unit is connected in a kind of orientation according to claim 3, which is characterized in that match at the air inlet hole and be arranged
There are two sucking blowers, wherein a sucking blower is as normal operation machine, another sucking blower is as guest machine；
Also match at the exhaust vent and is arranged with two extraction blowers, wherein an extraction blower is as normal operation machine, it is another
Platform extracts blower out as guest machine.
5. reflux unit is connected in a kind of orientation according to claim 3, which is characterized in that further include and the sucking blower
Matched cold air manufacturing machine, the temperature sensor that interior of the cabinet is set, and with the cold air manufacturing machine and the temperature sensing
The control host of the mating connection of device；
The temperature sensor can acquire interior of the cabinet temperature information, and send its collected temperature information to the control
Host processed；
The control host can control the cold air manufacturing machine according to the reception temperature information, and according to the temperature information
To the cold air state of the sucking blower transmission.
6. reflux unit is connected in a kind of orientation according to claim 2, which is characterized in that the cabinet body front door and back door with
Hinge connects between cabinet body.
7. reflux unit is connected in a kind of orientation according to claim 1, which is characterized in that the partition is L-type partitions, and
Ventilation gap is remained between the L-type partitions and cabinet body inner wall, and/or several ventilation holes are provided in the L-type partitions,
It allows the flow to sufficiently be radiated to flowing through each device element of interior of the cabinet.
8. reflux unit is connected in a kind of any orientation according to claim 1 ~ 6, which is characterized in that at the top of the cabinet body also
With detachable top cover is arranged with, the inside of the top cover is equipped with several ventilation holes.
9. reflux unit is connected in a kind of any orientation according to claim 1 ~ 6, which is characterized in that peace in the low-pressure chamber
Equipped with connecting terminal, air switch, trigger, relay, tail optical fiber box, power supply and temperature controller；
Electric isolating switch, thyristor, rectifier diode, current sensor, fuse, RC capacitance-resistance are provided in the hyperbaric chamber
Absorber element and varistor；
The copper bar interface with cable connection is provided in the cable vault.
10. reflux unit is connected in a kind of orientation according to claim 9, which is characterized in that the electric isolating switch and
Thyristor is located at the preceding lower half chamber of cabinet body；The rectifier diode, current sensor, fuse, RC resistance-capacitance absorption element and
Varistor is located at the rear upper half chamber of cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821974440.7U CN209389462U (en) | 2018-11-28 | 2018-11-28 | A kind of orientation conducting reflux unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821974440.7U CN209389462U (en) | 2018-11-28 | 2018-11-28 | A kind of orientation conducting reflux unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209389462U true CN209389462U (en) | 2019-09-13 |
Family
ID=67865845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821974440.7U Active CN209389462U (en) | 2018-11-28 | 2018-11-28 | A kind of orientation conducting reflux unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209389462U (en) |
-
2018
- 2018-11-28 CN CN201821974440.7U patent/CN209389462U/en active Active
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