CN210669061U - Open-air electric power cabinet - Google Patents
Open-air electric power cabinet Download PDFInfo
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- CN210669061U CN210669061U CN201921826278.9U CN201921826278U CN210669061U CN 210669061 U CN210669061 U CN 210669061U CN 201921826278 U CN201921826278 U CN 201921826278U CN 210669061 U CN210669061 U CN 210669061U
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Abstract
The utility model discloses a field electric power cabinet, which comprises a bracket, a cabinet body arranged on the bracket and a cabinet door arranged on the cabinet body, wherein a partition plate is arranged in the cabinet body, the partition plate divides the interior of the cabinet body into an upper electric room and a lower control room, the inner wall of the electric room is provided with a ventilation fan and a first sensor capable of detecting the air temperature and humidity in the electric room, and the exterior of the cabinet body is provided with a first controller; and a relay, a second controller and a dehumidifying device which can blow dry air into the electric chamber to remove moisture in the electric chamber are arranged in the control chamber. Has the advantages that: open-air electric power cabinet have good dehumidification performance, the dehydrating unit of installation need not change the cotton that absorbs water in its in-process of use, has effectively solved traditional dehydrating unit and needs artifical periodic replacement cotton trouble of absorbing water, labour saving and time saving, the practicality is good.
Description
Technical Field
The utility model relates to an electrical equipment field, concretely relates to open-air electric power cabinet.
Background
The electric power cabinet is an important facility in an electric power system, a large number of electric equipment is installed in the electric power cabinet, and in order to ensure the normal operation of the electric equipment, the electric power cabinet is required to have certain ventilation, heat dissipation and moisture prevention functions, however, the conventional electric power cabinet is good in ventilation and heat dissipation, but poor in moisture prevention function, once the humidity of external air is high, the condensation phenomenon of each electric equipment in the electric power cabinet can be caused, the wiring terminal of the electric power equipment is corroded, the insulation performance is reduced, even short circuit is caused, and the damage is high.
Although the chinese patent with application number 201821967856.6 discloses a dehumidification device of a field power cabinet in a national grid system to remove moisture in the power cabinet, the dehumidification device still has many problems in the actual use process, for example, the dehumidification device dries air through absorbent cotton, the absorbent cotton has good water absorption performance, but after the absorbent cotton absorbs sufficient moisture, the absorbent cotton cannot be dried by only pressing the pressing plate, and the absorbent cotton after pressing and removing internal moisture is still moist, so the moist air cannot be dried, so the dehumidification device disclosed in the above patent must replace the absorbent cotton in time after being used for a period of time, otherwise the function of drying air will be lost, but the absorbent cotton is difficult to replace in time in the actual use process, and therefore the practicability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an open-air electric power cabinet for solving above-mentioned problem to solve among the prior art dehydrating unit practicality in the open-air electric power cabinet not strong, need regularly change the cotton that absorbs water in the use, dehydrating unit will lose dehumidification function scheduling problem otherwise. The utility model provides an it needs the cotton problem of regular change water absorption to have effectively solved traditional dehydrating unit among a great deal of technical scheme, labour saving and time saving even if also need not change the cotton that absorbs water after long-time the use, can not lose the dehumidification function in addition yet, and the practicality is good, sees the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a field electric power cabinet, including the support, install the cabinet body on the support and install the cabinet door on the cabinet body, install the baffle in the cabinet body, the baffle divides the cabinet body into upper portion electric room and lower part control room two parts, install scavenger fan and can detect the sensor one of electric indoor air humiture on the inner wall of electric room, the cabinet body externally mounted has controller one; and a relay, a second controller and a dehumidifying device which can blow dry air into the electric chamber to remove moisture in the electric chamber are arranged in the control chamber.
As an important design of the scheme, the dehumidifying device comprises an axial flow fan, at least two air dryers and electromagnetic valves communicated with air outlet ends of all the air dryers and air inlet ends of the axial flow fan; the air inlet end of the air dryer is communicated with an air inlet pipe, and one end of the air inlet pipe extends out of the cabinet body and is provided with an air filter; the air outlet end of the axial flow fan is communicated with the air conveying pipe, two ends of the air conveying pipe are respectively connected with a tubular heater, the other end of one tubular heater is connected with the air outlet pipe, the other end of the other tubular heater is communicated with the air outlet ends of all the air dryers through an air conveying manifold, an electromagnetic valve is mounted on the air conveying manifold, and one end of the air outlet pipe penetrates through the partition plate and extends into the electric chamber.
As the optimized design of the scheme, one end of the air outlet pipe extending into the electric room is provided with an air filter.
As the optimized design of the scheme, one end of the air inlet pipe extends out of the lower surface of the cabinet body.
As the optimized design of the scheme, the air dryer comprises a cylinder body with openings at two ends and absorbent cotton filled in the cylinder body, and a second sensor for detecting the air humidity at the side of the absorbent cotton is arranged in the cylinder body at two sides of the absorbent cotton.
As the optimized design of the scheme, the tubular heater comprises a heat preservation and insulation pipe with two open ends and an electric heating wire positioned in the heat preservation and insulation pipe.
As the optimized design of the scheme, the ventilation fan is sleeved with a protective cover.
As the optimized design of the scheme, the upper end of the cabinet body is provided with a rain baffle.
Has the advantages that: open-air electric power cabinet have good dehumidification performance, the dehydrating unit of installation need not change the cotton that absorbs water in its in-process of use, has effectively solved traditional dehydrating unit and needs artifical periodic replacement cotton trouble of absorbing water, labour saving and time saving, the practicality is good.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention;
FIG. 2 is a schematic structural diagram of the dehumidifying apparatus of the present invention;
FIG. 3 is an internal structural view of the air dryer of the present invention;
fig. 4 is an internal structure view of the tube heater of the present invention.
The reference numerals are explained below:
1. a cabinet body;
2. a partition plate;
3. an electrical room;
4. a control room;
5. a ventilator;
6. a protective cover;
7. a first sensor;
8. a first controller;
9. a dehumidifying device; 91. an electromagnetic valve; 92. an air dryer; 921. a barrel; 922. absorbent cotton; 923. a second sensor; 93. an axial flow fan; 94. a gas delivery pipe; 95. a tubular heater; 951. a heat insulating pipe; 952. an electric heating wire; 96. an air outlet pipe; 97. a gas delivery manifold; 98. an air inlet pipe; 99. an air filter;
10. a relay;
11. a second controller;
12. a cabinet door;
13. a rain shield;
14. and (4) a bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a field electric power cabinet, including the support 14, install cabinet body 1 on the support 14 and install cabinet door 12 on cabinet body 1, install baffle 2 in the cabinet body 1, baffle 2 divides into upper portion electric room 3 and lower part control room 4 two parts with the cabinet body 1 internal, the electric room 3 of top is used for installing various electrical equipment, control room 4 of below is used for installing dehydrating unit 9, install scavenger fan 5 and can detect the sensor 7 of the interior air humidity of electric room 3 on the inner wall of electric room 3, set up scavenger fan 5 and can guarantee the circulation of air in the electric room 3, help ventilation and heat dissipation, sensor 7 can adopt temperature and humidity sensor, the quantity of sensor 7 can have a plurality ofly, and evenly distributed is in each position in electric room 3, the data that sensor 7 detected just is more accurate reliable like this, a first controller 8 is installed outside the cabinet body 1, the first controller 8 is electrically connected with a first sensor 7, and the first controller 8 can be a temperature and humidity controller;
the control room 4 is internally provided with a dehumidifying device 9 which can blow dry air into the electrical room 3 to remove moisture in the electrical room 3, the dehumidifying device 9 comprises an axial flow fan 93, at least two air dryers 92 and an electromagnetic valve 91 communicated with air outlet ends of all the air dryers 92 and an air inlet end of the axial flow fan 93 as shown in fig. 2, the electromagnetic valve 91 can adopt a two-position three-way electromagnetic valve 91, so that only one air dryer 92 is used for drying outside air after the axial flow fan 93 is started; the air inlet end of the air dryer 92 is communicated with an air inlet pipe 98, one end of the air inlet pipe 98 extends out of the cabinet body 1 and is provided with an air filter 99, and the air filter 99 is used for filtering, dedusting and removing impurities of outside air entering the air inlet pipe 98; the air outlet end of the axial flow fan 93 is communicated with an air delivery pipe 94, two ends of the air delivery pipe 94 are respectively connected with a tubular heater 95, the other end of one tubular heater 95 is connected with an air outlet pipe 96, the other end of the other tubular heater 95 is communicated with the air outlet ends of all the air dryers 92 through an air delivery manifold 97, an electromagnetic valve 91 is installed on the air delivery manifold 97, one end of the air outlet pipe 96 penetrates through the partition plate 2 and extends into the electric room 3, after the axial flow fan 93 is started, outside air is sucked into the air inlet pipe 98, then is dried by the air dryer 92, penetrates through the two-position three-way electromagnetic valve 91 and enters the axial flow fan 93, is blown into the air delivery pipe 94 by the axial flow fan 93, and finally dry air entering the air delivery pipe 94 enters the electric room 3 through the air outlet pipe 96, the axial flow fan 93 and one of the tubular heaters 95 are electrically connected with a temperature and humidity controller (the, hereinafter, one of the tubular heaters 95 refers to the tubular heater 95 connected to the air outlet pipe 96), the temperature and humidity controller controls the axial flow fan 93 and the one of the tubular heaters 95 to operate according to the information about the temperature and humidity of the air in the electrical room 3 transmitted by the temperature and humidity sensor in real time, after the power cabinet is installed, a worker can operate the temperature and humidity controller to set a normal temperature and humidity value for the electrical room 3, when the humidity value detected by the temperature and humidity sensor is lower than the normal value set by the worker, the temperature and humidity controller automatically controls the axial flow fan 93 and the tubular heater 95 to start, dry hot air is blown into the electrical room 3 through the dehumidifying device 9 (of course, if the temperature in the electrical room 3 is higher, the temperature and humidity controller only controls the axial flow fan 93 to start, so that dry normal temperature air is blown into the electrical room 3 through the dehumidifying device 9), thereby get rid of the moisture in the electric room 3, after a period of time, humidity value that temperature and humidity sensor detected resumes to the normal value after, axial fan 93 and tubular heater 95 stop work are controlled to temperature and humidity controller, temperature and humidity controller has disclosed in chinese patent with application number CN201520596336.9 according to the theory of operation that temperature and humidity signal control axial fan 93 and tubular heater 95 that temperature and humidity sensor detected moved (in this current patent literature, it has disclosed that temperature and humidity controller can control heater and fan action according to the humiture information that inside temperature and humidity sensor and outside temperature and humidity sensor detected), so this text is no longer repeated here.
In order to prevent parts such as screws on the electrical equipment in the electrical room 3 from falling into the air outlet pipe 96, an air filter 99 may be installed at an end of the air outlet pipe 96 extending into the electrical room 3.
In order to prevent rain water and other impurities from entering the air inlet pipe 98, one end of the air inlet pipe 98 may extend out of the cabinet 1 from the lower surface of the cabinet 1.
The control room 4 is also provided with a relay 10 and a second controller 11, the second controller 11 is electrically connected with the relay 10 and the electromagnetic valve 91 for controlling the actions of the relay 10 and the electromagnetic valve 91, the relay 10 is electrically connected with an axial flow fan 93 and another tubular heater 95 (the another tubular heater 95 refers to the tubular heater 95 connected with the gas delivery manifold 97, and the another tubular heater 95 mentioned later refers to the tubular heater 95 connected with the gas delivery manifold 97) for controlling the actions of the axial flow fan 93 and the another tubular heater 95.
The internal structure of the air dryer 92 is shown in fig. 3, and comprises a cylinder 921 with two open ends and a absorbent cotton 922 filled in the cylinder 921, one end of the cylinder 921 is communicated with the air inlet pipe 98, the other end is communicated with the electromagnetic valve 91, a second sensor 923 for detecting the air humidity on the side of the absorbent cotton 922 is arranged in the cylinder 921 on both sides of the absorbent cotton 922, the second sensor 923 is a humidity sensor, the second controller 11 is electrically connected to the second controller 11, and the working principle that the second controller 11 controls the actions of the relay 10 and the electromagnetic valve 91 according to the humidity detection information obtained by the humidity sensor is disclosed in the chinese patent with application number 201320789667.5 (in the prior patent document, it is disclosed that a controller can control the actions of the relay and the electromagnetic valve according to the humidity detection information obtained by the humidity sensor, and it is also disclosed that the relay is used for controlling the on/off of the circuit of the heater), so it is not described herein again.
After the axial flow fan 93 is started, the external wet air continuously enters one of the air dryers 92, the humidity of the absorbent cotton 922 in the air dryer 92 increases after the air dryer 92 works for a period of time, if the humidity sensor at the air outlet end of the cylinder 921 detects that the humidity of the air dried by the absorbent cotton 922 is greater than the preset drying standard value in the controller II 11, it indicates that the humidity of the absorbent cotton 922 is greater and is not suitable for continuously drying the external wet air, at this time, the controller II 11 controls the two-position three-way electromagnetic valve 91 to act according to the humidity information detected by the humidity sensor at the air outlet end of the cylinder 921 so as to enable another new air dryer 92 to replace the air dryer 92 which cannot continuously dry the air, thereby ensuring that the air discharged from the air outlet pipe 96 is dry, meanwhile, the controller II 11 also controls the action of the relay 10 and the electromagnetic valve 91 on the air delivery manifold 97, which is connected with the air dryer 92 which cannot continuously dry the air, to be opened, the relay 10 is operated to connect the circuit of the tubular heater 95 connected to the gas manifold 97, so that the tubular heater 95 heats the normal temperature dry air entering the gas manifold 97, then the hot dry air passes through the opened electromagnetic valve 91 via the gas manifold 97 and enters the air dryer 92 incapable of continuously drying the air to dry the wet absorbent cotton 922, the dried hot air is discharged via the air inlet pipe 98, in this process, the humidity sensor at the air inlet end of the cylinder 921 can detect the humidity of the hot air passing through the wet absorbent cotton 922 in real time and transmit a humidity signal to the second controller 11, when the humidity of the hot air detected by the humidity sensor at the air inlet end of the cylinder 921 returns to the preset drying standard value in the second controller 11, it is indicated that the wet absorbent cotton 922 is dried, and the second controller 11 can control the relay 10 to be switched off, the solenoid valve 91 of opening on the simultaneous control gas transmission manifold 97 is closed, and the humidity transducer who is located barrel 921 inlet end is connected with relay 10 electricity, and through this humidity transducer of relay 10 control break-make electricity, when relay 10 closed back, this humidity transducer circular telegram begins work, and after relay 10 disconnection, this humidity transducer and the tubular heater 95 of being connected with gas transmission manifold 97 all stop work, because the utility model discloses a dehydrating unit 9 can realize drying moist cotton 922 is automatic absorbing water, so saved the artifical trouble of regularly changing the cotton that absorbs water, labour saving and time saving, the practicality is good.
Referring to fig. 4, the tube heater 95 includes a thermal insulation tube 951 with two open ends and an electric heating wire 952 inside the thermal insulation tube 951, and the electric heating wire 952 can heat dry air inside the thermal insulation tube 951 when energized.
In order to prevent foreign matters such as external leaves from entering the electric room 3, a protective cover 6 is sleeved on the ventilation fan 5.
In order to prevent rainwater from entering the electrical room 3 through the ventilation fan 5, a rain shield 13 may be disposed at the upper end of the cabinet 1.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides an open-air electric power cabinet, includes support (14), installs cabinet body (1) on support (14) and installs cabinet door (12) on the cabinet body (1), characterized by: the intelligent cabinet is characterized in that a partition plate (2) is installed in the cabinet body (1), the partition plate (2) divides the interior of the cabinet body (1) into an upper electric room (3) and a lower control room (4), a ventilation fan (5) and a first sensor (7) capable of detecting air temperature and humidity in the electric room (3) are installed on the inner wall of the electric room (3), and a first controller (8) is installed outside the cabinet body (1); a relay (10), a second controller (11) and a dehumidifying device (9) which can blow dry air into the electric room (3) to remove moisture in the electric room (3) are arranged in the control room (4); the dehumidification device (9) comprises an axial flow fan (93), at least two air dryers (92) and electromagnetic valves (91) communicated with air outlet ends of all the air dryers (92) and air inlet ends of the axial flow fan (93); the air inlet end of the air dryer (92) is communicated with an air inlet pipe (98), and one end of the air inlet pipe (98) extends out of the cabinet body (1) and is provided with an air filter (99); the air outlet end of the axial flow fan (93) is communicated with an air conveying pipe (94), two ends of the air conveying pipe (94) are respectively connected with a tubular heater (95), the other end of one tubular heater (95) is connected with an air outlet pipe (96), the other end of the other tubular heater (95) is communicated with the air outlet ends of all the air dryers (92) through an air conveying manifold (97), an electromagnetic valve (91) is installed on the air conveying manifold (97), and one end of the air outlet pipe (96) penetrates through the partition plate (2) and extends into the electric room (3); air dryer (92) include both ends open-ended barrel (921) and fill cotton (922) that absorb water in barrel (921), be provided with sensor two (923) that are used for detecting the air humidity that cotton (922) this side absorb water in barrel (921) of cotton (922) both sides that absorb water.
2. A field power cabinet according to claim 1, wherein: and an air filter (99) is arranged at one end of the air outlet pipe (96) extending into the electric room (3).
3. A field power cabinet according to claim 1, wherein: one end of the air inlet pipe (98) extends out of the lower surface of the cabinet body (1).
4. A field power cabinet according to any one of claims 1 to 3 wherein: the tubular heater (95) comprises a heat preservation and insulation pipe (951) with two open ends and an electric heating wire (952) positioned in the heat preservation and insulation pipe (951).
5. A field power cabinet according to claim 1, wherein: the ventilation fan (5) is sleeved with a protective cover (6).
6. A field power cabinet according to claim 1, wherein: the upper end of the cabinet body (1) is provided with a rain baffle (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921826278.9U CN210669061U (en) | 2019-10-29 | 2019-10-29 | Open-air electric power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921826278.9U CN210669061U (en) | 2019-10-29 | 2019-10-29 | Open-air electric power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210669061U true CN210669061U (en) | 2020-06-02 |
Family
ID=70814732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921826278.9U Expired - Fee Related CN210669061U (en) | 2019-10-29 | 2019-10-29 | Open-air electric power cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210669061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769461A (en) * | 2020-07-16 | 2020-10-13 | 安徽同胜电力科技有限公司 | Condensation device is prevented to outdoor distribution network cubical switchboard instrument case |
-
2019
- 2019-10-29 CN CN201921826278.9U patent/CN210669061U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769461A (en) * | 2020-07-16 | 2020-10-13 | 安徽同胜电力科技有限公司 | Condensation device is prevented to outdoor distribution network cubical switchboard instrument case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200602 Termination date: 20211029 |