CN113329584A - UPS system control terminal of natural gas station - Google Patents
UPS system control terminal of natural gas station Download PDFInfo
- Publication number
- CN113329584A CN113329584A CN202110581040.XA CN202110581040A CN113329584A CN 113329584 A CN113329584 A CN 113329584A CN 202110581040 A CN202110581040 A CN 202110581040A CN 113329584 A CN113329584 A CN 113329584A
- Authority
- CN
- China
- Prior art keywords
- cabinet body
- control terminal
- main cabinet
- natural gas
- system control
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0234—Feet; Stands; Pedestals, e.g. wheels for moving casing on floor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a natural gas station UPS system control terminal which comprises a main cabinet body, wherein a cavity is arranged at the bottom of the main cabinet body, a heat dissipation fan, a power supply and a controller are fixedly connected in the cavity, a plurality of air inlets are formed in the inner bottom of the cavity, a vent is formed in the top of the cavity, a first dustproof net is fixedly inserted in the vent, an installation opening is formed in the top of the main cabinet body, a cover plate is rotatably connected in the installation opening through a rotating shaft, an air outlet is formed in the cover plate, a second dustproof net is fixedly inserted in the air outlet, a plurality of symmetrically-arranged slide rods are fixedly connected in the main cabinet body, and a plurality of support plates are sleeved on the slide rods in a sliding manner. According to the invention, through the arrangement of the adjusting and radiating mechanism, the equipment in the control terminal can be conveniently adjusted and radiated, so that the operation stability of the control terminal is ensured.
Description
Technical Field
The invention relates to the technical field of UPS (uninterrupted power supply) control equipment, in particular to a UPS system control terminal of a natural gas station.
Background
UPS, i.e. an uninterruptible power supply, is an uninterruptible power supply that includes an energy storage device. The power supply device is mainly used for providing uninterrupted power supply for partial equipment with higher requirements on power supply stability. When the commercial power input is normal, the UPS supplies the commercial power to the load for use after stabilizing the voltage, and the UPS is an alternating current type voltage stabilizer and also charges the battery in the machine; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies the direct current electric energy of the battery to the load by a method of switching and converting the inverter to continuously supply 220V alternating current to the load, so that the load keeps normal work and the software and hardware of the load are protected from being damaged. UPS devices typically provide protection against either excessive voltage or insufficient voltage.
But the internal structure at present UPS system control terminal is comparatively simple, and certain heat dissipation adjustment mechanism lacks inside the control terminal to influence control terminal's operating stability.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the internal structure of a UPS system control terminal is simple, and a certain heat dissipation adjusting mechanism is lacked inside the control terminal, and provides the UPS system control terminal for a natural gas station.
In order to achieve the purpose, the invention adopts the following technical scheme:
a natural gas station UPS system control terminal comprises a main cabinet body, wherein a cavity is arranged at the bottom of the main cabinet body, a heat dissipation fan, a power supply and a controller are fixedly connected in the cavity, a plurality of air inlets are formed in the inner bottom of the cavity, a vent is formed in the top of the cavity, a first dustproof net is fixedly inserted in the vent, an installation opening is formed in the top of the main cabinet body, a cover plate is rotatably connected in the installation opening through a rotating shaft, an air outlet is formed in the cover plate, a second dustproof net is fixedly inserted in the air outlet, a plurality of symmetrically-arranged slide bars are fixedly connected in the main cabinet body, a plurality of support plates are sleeved on the slide bars in a sliding manner, two adjacent support plates are connected through turnbuckle screws, heat dissipation openings are formed in the support plates, a grid net is fixedly inserted in the heat dissipation openings, and a temperature sensor is fixedly connected at the bottoms of the support plates, the output ends of the temperature sensor and the power supply are connected with the input end of the controller, and the output end of the controller is connected with the input end of the heat dissipation fan.
Preferably, the bottom of the main cabinet body is rotatably connected with a plurality of universal self-locking wheels.
Preferably, the supporting plate is provided with a sliding opening corresponding to the sliding rod, the sliding opening is connected with a plurality of steel balls in a sliding mode, and the edges of the steel balls are in contact with the sliding rod.
Preferably, the top of the supporting plate is fixedly connected with a plurality of locking blocks, and locking ports are formed in the locking blocks.
Preferably, the top of the main cabinet body is provided with a chute, a guide rod is fixedly connected in the chute, an L-shaped clamping rod is sleeved on the guide rod in a sliding manner, a clamping block is fixedly connected to the cover plate, and a clamping groove corresponding to the L-shaped clamping rod is formed in the clamping block.
Preferably, the guide rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the L-shaped clamping rod and the inner wall of the sliding groove.
Preferably, a charging connector is fixedly inserted into the outer wall of the main cabinet body, and an output end of the charging connector is connected with an input end of a power supply.
Has the advantages that:
1. the device comprises a main cabinet, a plurality of supporting plates, a sliding rod, a temperature sensor, a controller, a heat dissipation fan, a heat dissipation mechanism, a temperature sensor, a controller and a heat dissipation fan, wherein the heat dissipation fan is arranged in the main cabinet;
2. the setting of latch segment can conveniently be fixed equipment, and the setting of first dust screen, second dust screen can play dustproof effect, and the steel ball can reduce the frictional force between slide bar and the backup pad simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a control terminal of a UPS system of a natural gas station according to the present invention;
fig. 2 is a schematic top view of a UPS system control terminal support plate of a natural gas station according to the present invention;
fig. 3 is a schematic structural view of a portion a of fig. 1.
In the figure: the device comprises a main cabinet body 1, a heat dissipation fan 2, a power supply 3, a controller 4, a first dustproof net 5, a rotating shaft 6, a cover plate 7, a second dustproof net 8, a sliding rod 9, a supporting plate 10, a turnbuckle 11, a grid net 12, a temperature sensor 13, a universal self-locking wheel 14, a steel ball 15, a locking block 16, a guide rod 17, an L-shaped clamping rod 18, a clamping block 19, a spring 20 and a charging joint 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a natural gas station UPS system control terminal comprises a main cabinet body 1, wherein the bottom of the main cabinet body 1 is rotatably connected with a plurality of universal self-locking wheels 14, so that the main cabinet body 1 is convenient to move, a cavity is arranged at the bottom of the main cabinet body 1, a heat dissipation fan 2, a power supply 3 and a controller 4 are fixedly connected in the cavity, a plurality of air inlets are arranged at the inner bottom of the cavity to play a role in ventilation, a ventilation opening is arranged at the top of the cavity, and a first dust screen 5 is fixedly inserted in the ventilation opening to prevent dust from entering the main cabinet body 1;
in the embodiment, the top of the main cabinet body 1 is provided with an installation opening, a cover plate 7 is rotatably connected in the installation opening through a rotating shaft 6 to protect equipment, the top of the main cabinet body 1 is provided with a sliding groove, a guide rod 17 is fixedly connected in the sliding groove and used for supporting an L-shaped guide rod 18, the guide rod 17 is sleeved with the L-shaped clamping rod 18 in a sliding manner, so that the cover plate 7 is conveniently fixed, a clamping block 19 is fixedly connected on the cover plate 7, a clamping groove corresponding to the L-shaped clamping rod 18 is formed in the clamping block 19, a spring 20 is sleeved on the guide rod 17, two ends of the spring 20 are respectively fixedly connected with the L-shaped clamping rod 18 and the inner wall of the sliding groove, and the L-shaped clamping rod 18 is elastically supported to a certain extent;
in the embodiment, an air outlet is formed in the cover plate 7, a second dust screen 8 is fixedly inserted in the air outlet to prevent dust from entering the main cabinet body 1, a plurality of symmetrically arranged slide bars 9 are fixedly connected in the main cabinet body 1, a plurality of support plates 10 are sleeved on the slide bars 9 in a sliding manner and used for mounting equipment, a sliding opening corresponding to the slide bars 9 is formed in each support plate 10, a plurality of steel balls 15 are connected in the sliding opening in a sliding manner, the edge of each steel ball 15 is in contact with the corresponding slide bar 9, and the friction force between the slide bar 9 and the inner wall of the sliding opening is reduced;
in the embodiment, a plurality of locking blocks 16 are fixedly connected to the top of each supporting plate 10, locking ports are formed in the locking blocks 16, so that equipment can be conveniently fixed, two adjacent supporting plates 10 are connected through turnbuckles 11, heat dissipation ports are formed in the supporting plates 10, grid nets 12 are fixedly inserted in the heat dissipation ports, temperature sensors 13 are fixedly connected to the bottom of each supporting plate 10, the types of the temperature sensors 13 are PT100, and the temperature in the main cabinet body 1 is monitored;
in this embodiment, temperature sensor 13 and power 3 ' S output all is connected with controller 4 ' S input, and controller 4 ' S output is connected with the input of heat dissipation fan 2, and controller 4 ' S model is 80S51, and fixed the inserting is equipped with the joint 21 that charges on the outer wall of the main cabinet body 1, and the output of the joint 21 that charges is connected with power 3 ' S input, conveniently charges power 3.
In this embodiment, through rotating turnbuckle 11, can adjust the distance between a plurality of backup pads 10, slide bar 9 can effectively prevent rocking of backup pad 10 simultaneously, and temperature sensor 13's setting can monitor the temperature in the main cabinet body 1 simultaneously, then sends monitor signal to controller 4, and controller 4 control heat dissipation fan 2 starts, carries out ventilation cooling to the main cabinet body 1 is internal.
In this embodiment, the setting of latch segment 16 can conveniently be fixed equipment, and the setting of first dust screen 5, second dust screen 8 can play dustproof effect, and steel ball 15 can reduce the frictional force between slide bar 9 and the backup pad 10 simultaneously.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a natural gas station UPS system control terminal, includes main cabinet body (1), its characterized in that: the improved multifunctional cabinet is characterized in that a cavity is arranged at the bottom of the main cabinet body (1), a heat dissipation fan (2), a power supply (3) and a controller (4) are fixedly connected in the cavity, a plurality of air inlets are formed in the inner bottom of the cavity, a ventilation opening is formed in the top of the cavity, a first dust screen (5) is fixedly inserted in the ventilation opening, an installation opening is formed in the top of the main cabinet body (1), a cover plate (7) is rotatably connected in the installation opening through a rotating shaft (6), an air outlet is formed in the cover plate (7), a second dust screen (8) is fixedly inserted in the air outlet, a plurality of symmetrically-arranged sliding rods (9) are fixedly connected in the main cabinet body (1), a plurality of support plates (10) are slidably sleeved on the sliding rods (9), two adjacent support plates (10) are connected through turnbuckles (11), and heat dissipation openings are formed in the support plates (10), grid nets (12) are fixedly inserted into the heat dissipation port, the bottom of the supporting plate (10) is fixedly connected with a temperature sensor (13), the output ends of the temperature sensor (13) and the power supply (3) are connected with the input end of the controller (4), and the output end of the controller (4) is connected with the input end of the heat dissipation fan (2).
2. The natural gas station UPS system control terminal of claim 1, wherein: the bottom of the main cabinet body (1) is rotatably connected with a plurality of universal self-locking wheels (14).
3. The natural gas station UPS system control terminal of claim 1, wherein: the supporting plate (10) is provided with a sliding opening corresponding to the sliding rod (9), the sliding opening is connected with a plurality of steel balls (15) in a sliding mode, and the edges of the steel balls (15) are in contact with the sliding rod (9).
4. The natural gas station UPS system control terminal of claim 1, wherein: the top of the supporting plate (10) is fixedly connected with a plurality of locking blocks (16), and locking ports are formed in the locking blocks (16).
5. The natural gas station UPS system control terminal of claim 1, wherein: the top of the main cabinet body (1) is equipped with the spout, fixedly connected with guide arm (17) in the spout, L type kelly (18) have been cup jointed in the slip on guide arm (17), fixedly connected with fixture block (19) on apron (7), be equipped with the draw-in groove that corresponds with L type kelly (18) on fixture block (19).
6. The natural gas station UPS system control terminal of claim 5, wherein: the guide rod (17) is sleeved with a spring (20), and two ends of the spring (20) are respectively fixedly connected with the L-shaped clamping rod (18) and the inner wall of the sliding groove.
7. The natural gas station UPS system control terminal of claim 1, wherein: the power supply is characterized in that a charging connector (21) is fixedly inserted into the outer wall of the main cabinet body (1), and the output end of the charging connector (21) is connected with the input end of the power supply (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110581040.XA CN113329584A (en) | 2021-05-27 | 2021-05-27 | UPS system control terminal of natural gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110581040.XA CN113329584A (en) | 2021-05-27 | 2021-05-27 | UPS system control terminal of natural gas station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113329584A true CN113329584A (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110581040.XA Pending CN113329584A (en) | 2021-05-27 | 2021-05-27 | UPS system control terminal of natural gas station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113329584A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432305A (en) * | 2022-10-20 | 2022-12-06 | 国营江苏省东海种畜场 | Portable sampling box for detecting quality safety of agricultural products |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310783B1 (en) * | 2000-03-29 | 2001-10-30 | Powerware Corporation | Modular method and apparatus for building an uninterruptible power system (UPS) |
| EP2706624A1 (en) * | 2012-09-05 | 2014-03-12 | Eaton Industries France SAS | Plug connector of an uninterruptible power supply and UPS connector arrangement |
| CN210298249U (en) * | 2018-12-25 | 2020-04-10 | 刘强 | Electrical control equipment |
| CN211702869U (en) * | 2020-05-22 | 2020-10-16 | 汪双兔 | Sentry post informatization terminal equipment with good heat dissipation effect |
| CN211860364U (en) * | 2020-06-01 | 2020-11-03 | 普洱今天科技有限公司 | Video monitoring data storage device |
| CN212086791U (en) * | 2020-05-27 | 2020-12-04 | 南京华灏楼宇科技有限公司 | Pump unit energy-saving starting control integrated cabinet |
| CN212305886U (en) * | 2020-07-14 | 2021-01-05 | 江苏省交通技师学院 | Multifunctional control cabinet for machine tool teaching |
| CN212299346U (en) * | 2020-06-11 | 2021-01-05 | 北京科华众生云计算科技有限公司 | Precision air conditioner fan frequency conversion control device |
| CN112367508A (en) * | 2020-12-03 | 2021-02-12 | 湖南机电职业技术学院 | Monitoring system for manual measurement and detection operation |
| CN212649638U (en) * | 2020-08-17 | 2021-03-02 | 北京中新创科技有限公司 | High heat dissipation type ethernet switching equipment |
| CN213151437U (en) * | 2020-09-14 | 2021-05-07 | 黑龙江海川电气有限公司 | Power distribution cabinet |
-
2021
- 2021-05-27 CN CN202110581040.XA patent/CN113329584A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310783B1 (en) * | 2000-03-29 | 2001-10-30 | Powerware Corporation | Modular method and apparatus for building an uninterruptible power system (UPS) |
| EP2706624A1 (en) * | 2012-09-05 | 2014-03-12 | Eaton Industries France SAS | Plug connector of an uninterruptible power supply and UPS connector arrangement |
| CN210298249U (en) * | 2018-12-25 | 2020-04-10 | 刘强 | Electrical control equipment |
| CN211702869U (en) * | 2020-05-22 | 2020-10-16 | 汪双兔 | Sentry post informatization terminal equipment with good heat dissipation effect |
| CN212086791U (en) * | 2020-05-27 | 2020-12-04 | 南京华灏楼宇科技有限公司 | Pump unit energy-saving starting control integrated cabinet |
| CN211860364U (en) * | 2020-06-01 | 2020-11-03 | 普洱今天科技有限公司 | Video monitoring data storage device |
| CN212299346U (en) * | 2020-06-11 | 2021-01-05 | 北京科华众生云计算科技有限公司 | Precision air conditioner fan frequency conversion control device |
| CN212305886U (en) * | 2020-07-14 | 2021-01-05 | 江苏省交通技师学院 | Multifunctional control cabinet for machine tool teaching |
| CN212649638U (en) * | 2020-08-17 | 2021-03-02 | 北京中新创科技有限公司 | High heat dissipation type ethernet switching equipment |
| CN213151437U (en) * | 2020-09-14 | 2021-05-07 | 黑龙江海川电气有限公司 | Power distribution cabinet |
| CN112367508A (en) * | 2020-12-03 | 2021-02-12 | 湖南机电职业技术学院 | Monitoring system for manual measurement and detection operation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432305A (en) * | 2022-10-20 | 2022-12-06 | 国营江苏省东海种畜场 | Portable sampling box for detecting quality safety of agricultural products |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210831 |