CN211320749U - Ring main unit with condensation prevention function - Google Patents
Ring main unit with condensation prevention function Download PDFInfo
- Publication number
- CN211320749U CN211320749U CN201922289089.9U CN201922289089U CN211320749U CN 211320749 U CN211320749 U CN 211320749U CN 201922289089 U CN201922289089 U CN 201922289089U CN 211320749 U CN211320749 U CN 211320749U
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- cabinet
- controller
- main unit
- ring main
- temperature
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Abstract
The utility model provides a looped netowrk cabinet with anti-condensation, controller pass through temperature sensor in the cabinet, and humidity transducer and the outer temperature sensor of cabinet can acquire the inside and outside temperature difference of cabinet, can not only be according to the operation of the temperature state control resistance heater in the cabinet and fan. When the temperature difference between the inside and the outside of the cabinet is greater than a preset threshold value, whether the temperature in the cabinet is higher than the threshold value or not is judged, and if the temperature in the cabinet is not higher than the threshold value, the resistance heater can be started to regulate and control the temperature, so that water drops are prevented from being condensed. The side walls, the top and the back plate of the cabinet body can be provided with ventilation openings. When the ring main unit normally works, the fan can be turned on or turned off based on the temperature regulation. The utility model discloses avoid the looped netowrk cabinet to cause the emergence of line fault because of the condensation problem, promoted the security performance of looped netowrk cabinet.
Description
Technical Field
The utility model relates to a looped netowrk cabinet technical field especially relates to a looped netowrk cabinet with anti-condensation.
Background
The ring main unit is a group of electric equipment which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval ring main power supply unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
When present looped netowrk cabinet inner wall surface temperature drops below dew point temperature, the inner wall surface can take place the drop of water phenomenon of condensing, and the line cabling rate is more and more high, and the quantity greatly increased of looped netowrk cabinet takes place occasionally because of the condition of the circuit trouble that the condensation problem caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough among the above-mentioned prior art, the utility model provides a looped netowrk cabinet with anti-condensation, include: the cabinet body, the sidewall of the cabinet body has intermediate layers, there are resistance heaters in the intermediate layer; fans are arranged on the back plate and the top plate of the cabinet body; the front panel of the cabinet body is provided with a display screen and an input control key;
a controller, a heating control circuit, a fan control circuit, a temperature sensor and a humidity sensor in the cabinet are arranged in the cabinet body; an outside-cabinet temperature sensor is arranged outside the cabinet body;
the input control key, the display screen, the temperature sensor outside the cabinet, the heating control circuit and the fan control circuit are respectively connected with the controller;
the controller is connected with the resistance heater through the heating control circuit;
the controller is connected with the fan through a fan control circuit;
the controller acquires a control instruction input by a user through the display screen and displays the current temperature, humidity and temperature information outside the cabinet.
Preferably, the controller adopts an STM32F103VET6 controller and peripheral circuits, wherein the peripheral circuits comprise a power supply circuit, a clock system, a reset circuit, a watchdog and a memory; the power supply circuit provides an operating voltage range of 2.0-3.6V, and provides a voltage of 1.8V to the Cortex-M3 core through internal voltage regulation.
Preferably, the display screen adopts an LCD12864 to display information, and numbers, letters, graphs, Chinese characters and charts are displayed;
the display screen is connected with the STM32F103VET6 controller in an 8-bit parallel mode or a 3-bit serial mode.
Preferably, the fan control circuit includes: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a triode Q1, a diode D1, a diode D2, a relay J1, an optocoupler U1 and a terminal U2;
the controller is connected with a pin of an optocoupler U1 through a resistor R1, and a pin of an optocoupler U1 is grounded;
an optocoupler U1 tripod, a diode D1 anode, a diode D2 cathode and a relay J1 tripod are respectively connected with a power supply;
four pins of the optocoupler U1 are connected with the base electrode of a triode Q1 through a resistor R2; the emitter of the triode Q1 is grounded;
the collector of the triode Q1 is respectively connected with the second end of the resistor R3, the anode of the diode D2 and two pins of the relay J1; a first end of the resistor R3 is connected with the cathode of the diode D1;
the three, four and five pins of the relay J1 are respectively connected with a terminal U2;
three pins and five pins of the relay J1 are normally closed nodes; and three pins and four pins of the relay J1 are normally open nodes.
Preferably, the remaining side walls of the front panel of the cabinet body are connected in a hinged manner.
Preferably, the outside cabinet temperature sensor, the inside cabinet temperature sensor and the humidity sensor are respectively connected with the controller through an I2C bus.
Preferably, a ZigBee network communication module and a ZigBee network communicator are further arranged inside the cabinet body;
the controller is connected with the ZigBee network communicator through the ZigBee network communication module;
the ZigBee network communicator is connected with the upper computer through the wireless communicator.
Preferably, the ZigBee network communicator adopts a CC2530 communication chip;
the wireless communicator adopts a CC3200 communication chip.
According to the technical scheme, the utility model has the advantages of it is following:
the controller can acquire the temperature difference inside and outside the cabinet through the temperature sensor inside the cabinet, the humidity sensor and the temperature sensor outside the cabinet, and the operation of the resistance heater and the fan can be controlled not only according to the temperature state inside the cabinet. When the temperature difference between the inside and the outside of the cabinet is greater than a preset threshold value, whether the temperature in the cabinet is higher than the threshold value or not is judged, and if the temperature in the cabinet is not higher than the threshold value, the resistance heater can be started to regulate and control the temperature, so that water drops are prevented from being condensed. The side walls, the top and the back plate of the cabinet body can be provided with ventilation openings. When the ring main unit normally works, the fan can be turned on or turned off based on the temperature regulation. The utility model discloses avoid the looped netowrk cabinet to cause the emergence of line fault because of the condensation problem, promoted the security performance of looped netowrk cabinet.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a ring main unit with condensation prevention;
fig. 2 is a schematic view of an embodiment of the ring main unit with condensation prevention;
fig. 3 is a circuit diagram of a fan control circuit.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
The utility model provides a looped netowrk cabinet with anti-condensation, as shown in fig. 1 to 3, include: the cabinet comprises a cabinet body 1, wherein an interlayer is arranged on the side wall 2 of the cabinet body 1, and a resistance heater 3 is arranged in the interlayer; the back plate 4 and the top plate of the cabinet body are provided with fans 5; the front panel of the cabinet body is provided with a display screen 6 and an input control key 15;
a controller 11, a heating control circuit 12, a fan control circuit 13, a cabinet temperature sensor 17 and a humidity sensor 18 are arranged in the cabinet body; an outside-cabinet temperature sensor 16 is arranged outside the cabinet body; the outside cabinet temperature sensor 16 can be arranged at a position which keeps a certain distance from the ring main unit for detection. An input control key 15, a display screen 6, an outside cabinet temperature sensor 16, a heating control circuit 12, a fan control circuit 13, an inside cabinet temperature sensor 17 and a humidity sensor 18 are respectively connected with the controller 11; the controller 11 is connected with the resistance heater 3 through a heating control circuit 12; the controller 11 is connected with the fan 5 through a fan control circuit 13; the controller 11 obtains the control instruction input by the user through the display screen 6, and displays the current temperature, humidity and temperature information outside the cabinet. The rest side walls of the front panel of the cabinet body are connected in a hinged mode. The outside-cabinet temperature sensor 16, the inside-cabinet temperature sensor 17 and the humidity sensor 18 are connected to the controller 11 through an I2C bus, respectively.
The controller 11 adopts an STM32F103VET6 controller 11 and peripheral circuits, wherein the peripheral circuits comprise a power supply circuit, a clock system, a reset circuit, a watchdog and a memory; the power supply circuit provides an operating voltage range of 2.0-3.6V, and provides a voltage of 1.8V to the Cortex-M3 core through internal voltage regulation.
The display screen 6 adopts an LCD12864 to display information, and numbers, letters, figures, Chinese characters and diagrams are displayed; the display screen 6 is connected with the STM32F103VET6 controller 11 in an 8-bit parallel or 3-bit serial mode.
The fan control circuit 13 includes: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a triode Q1, a diode D1, a diode D2, a relay J1, an optocoupler U1 and a terminal U2; the controller 11 is connected with a pin of an optocoupler U1 through a resistor R1, and a pin of an optocoupler U1 is grounded; an optocoupler U1 tripod, a diode D1 anode, a diode D2 cathode and a relay J1 tripod are respectively connected with a power supply; four pins of the optocoupler U1 are connected with the base electrode of a triode Q1 through a resistor R2; the emitter of the triode Q1 is grounded; the collector of the triode Q1 is respectively connected with the second end of the resistor R3, the anode of the diode D2 and two pins of the relay J1; a first end of the resistor R3 is connected with the cathode of the diode D1; the three, four and five pins of the relay J1 are respectively connected with a terminal U2; three pins and five pins of the relay J1 are normally closed nodes; and three pins and four pins of the relay J1 are normally open nodes. The heating control circuit 12 may adopt the same circuit manner as the fan control circuit 13. Terminal U2 may be connected to fan 5.
The controller 11 is implemented to control the operation of the resistance heater 3 and the fan 5 by using the electromagnetic effect of the relay J1. The optical coupler U1 in the fan control circuit 13 plays a role in isolation and interference resistance.
In order to enable an upper computer to obtain the conditions inside and outside the ring main unit in real time, a ZigBee network communication module and a ZigBee network communicator are further arranged inside the ring main unit; the controller 11 is connected with the ZigBee network communicator through the ZigBee network communication module; the ZigBee network communicator is connected with the upper computer through the wireless communicator. The ZigBee network communicator adopts a CC2530 communication chip; the wireless communicator adopts a CC3200 communication chip.
The utility model discloses in, controller 11 can acquire the inside and outside temperature difference of cabinet through temperature sensor 17 in the cabinet, humidity transducer 18 and the outer temperature sensor 16 of cabinet, can not only be according to the operation of the temperature state control resistance heater 3 in the cabinet and fan 5. When the temperature difference between the inside and the outside of the cabinet is greater than a preset threshold value, whether the temperature in the cabinet is higher than the threshold value or not is judged, and if the temperature in the cabinet is not higher than the threshold value, the resistance heater 3 can be started to regulate and control the temperature, so that the condensation of water drops is avoided. If the temperature in the cabinet exceeds a threshold value, heating is stopped, and the fan 5 is started to ventilate. Of course, the fan 5 can be turned on for ventilation during heating. The side walls, the top and the back plate of the cabinet body can be provided with ventilation openings. When the ring main unit normally works, the fan 5 can be turned on or turned off based on the temperature regulation.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a looped netowrk cabinet with prevent condensation which characterized in that includes: the cabinet body, the sidewall of the cabinet body has intermediate layers, there are resistance heaters in the intermediate layer; fans are arranged on the back plate and the top plate of the cabinet body; the front panel of the cabinet body is provided with a display screen and an input control key;
a controller, a heating control circuit, a fan control circuit, a temperature sensor and a humidity sensor in the cabinet are arranged in the cabinet body; an outside-cabinet temperature sensor is arranged outside the cabinet body;
the input control key, the display screen, the temperature sensor outside the cabinet, the heating control circuit and the fan control circuit are respectively connected with the controller;
the controller is connected with the resistance heater through the heating control circuit;
the controller is connected with the fan through a fan control circuit;
the controller acquires a control instruction input by a user through the display screen and displays the current temperature, humidity and temperature information outside the cabinet.
2. The ring main unit with condensation prevention function according to claim 1,
the controller adopts an STM32F103VET6 controller and a peripheral circuit, wherein the peripheral circuit comprises a power supply circuit, a clock system, a reset circuit, a watchdog and a memory; the power supply circuit provides an operating voltage range of 2.0-3.6V, and provides a voltage of 1.8V to the Cortex-M3 core through internal voltage regulation.
3. The ring main unit with condensation prevention function according to claim 2,
the display screen adopts an LCD12864 to display information, and numbers, letters, figures, Chinese characters and diagrams are displayed;
the display screen is connected with the STM32F103VET6 controller in an 8-bit parallel mode or a 3-bit serial mode.
4. The ring main unit with condensation prevention function according to claim 1,
the fan control circuit includes: the circuit comprises a resistor R1, a resistor R2, a resistor R3, a triode Q1, a diode D1, a diode D2, a relay J1, an optocoupler U1 and a terminal U2;
the controller is connected with a pin of an optocoupler U1 through a resistor R1, and a pin of an optocoupler U1 is grounded;
an optocoupler U1 tripod, a diode D1 anode, a diode D2 cathode and a relay J1 tripod are respectively connected with a power supply;
four pins of the optocoupler U1 are connected with the base electrode of a triode Q1 through a resistor R2; the emitter of the triode Q1 is grounded;
the collector of the triode Q1 is respectively connected with the second end of the resistor R3, the anode of the diode D2 and two pins of the relay J1; a first end of the resistor R3 is connected with the cathode of the diode D1;
the three, four and five pins of the relay J1 are respectively connected with a terminal U2;
three pins and five pins of the relay J1 are normally closed nodes; and three pins and four pins of the relay J1 are normally open nodes.
5. The ring main unit with condensation prevention function according to claim 1,
the rest side walls of the front panel of the cabinet body are connected in a hinged mode.
6. The ring main unit with condensation prevention function according to claim 1,
the temperature sensor outside the cabinet, the temperature sensor inside the cabinet and the humidity sensor are respectively connected with the controller through an I2C bus.
7. The ring main unit with condensation prevention function according to claim 1,
a ZigBee network communication module and a ZigBee network communicator are also arranged inside the cabinet body;
the controller is connected with the ZigBee network communicator through the ZigBee network communication module;
the ZigBee network communicator is connected with the upper computer through the wireless communicator.
8. The ring main unit with condensation prevention function according to claim 7,
the ZigBee network communicator adopts a CC2530 communication chip;
the wireless communicator adopts a CC3200 communication chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289089.9U CN211320749U (en) | 2019-12-17 | 2019-12-17 | Ring main unit with condensation prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922289089.9U CN211320749U (en) | 2019-12-17 | 2019-12-17 | Ring main unit with condensation prevention function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320749U true CN211320749U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922289089.9U Expired - Fee Related CN211320749U (en) | 2019-12-17 | 2019-12-17 | Ring main unit with condensation prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211320749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115167571A (en) * | 2022-07-01 | 2022-10-11 | 深圳市华生元基因工程发展有限公司 | Temperature control cabinet for preparing recombinant human epidermal growth factor |
-
2019
- 2019-12-17 CN CN201922289089.9U patent/CN211320749U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115167571A (en) * | 2022-07-01 | 2022-10-11 | 深圳市华生元基因工程发展有限公司 | Temperature control cabinet for preparing recombinant human epidermal growth factor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20201217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |