CN210273219U - Anti-condensation protection device in cavity of mining electrical equipment - Google Patents
Anti-condensation protection device in cavity of mining electrical equipment Download PDFInfo
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- CN210273219U CN210273219U CN201921392994.0U CN201921392994U CN210273219U CN 210273219 U CN210273219 U CN 210273219U CN 201921392994 U CN201921392994 U CN 201921392994U CN 210273219 U CN210273219 U CN 210273219U
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Abstract
The utility model discloses a prevent condensation protection device in mining electrical equipment cavity, concretely relates to electrical equipment protection device field, including electrical equipment box and mount, the mount internal fixation is provided with transformer, thermostatic control device and heating element, transformer one side is provided with thermostatic control device, heating element is installed to thermostatic control device one side. The utility model discloses a set up the transformer, thermostatic control device and heating element, the device can not only generate heat and produce the temperature, and can keep the constancy of temperature in the cavity unchangeable through temperature thermostatic control device, the colliery electrical equipment dampproofing technique has been improved, operation flow and technology have been reduced, reduce artifical intensity of labour, promote colliery electromechanical device management method, can solve because the change of air ambient temperature in the electrical equipment cavity well, the fault of electromechanical device that leads to behind the condensation takes place, the operation and the production efficiency of electromechanical device have been improved, there are fine practicality and spreading value.
Description
Technical Field
The utility model relates to an electrical equipment protection device technical field, more specifically say, the utility model relates to a prevent condensation protection device in mining electrical equipment cavity.
Background
The electrical equipment used in coal mine adopts the method that the electrical element is arranged in an explosion-proof metal shell with sealing property, when the electrical equipment is transported to a wet underground from the ground, or when the electrical equipment runs (the ambient temperature is increased) and stops running (the ambient temperature is reduced), and after the shell is opened, the air pressure inside and outside the cavity is different, so that the ambient temperature in the cavity is changed, the air in the cavity of the electrical equipment can generate condensation under the change of the temperature, the insulation of the electrical element is reduced, the electrical element is rusted and damaged, the service life is reduced, the safety production is influenced, and particularly, the summer is more obvious.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an anti-condensation protection device in mining electrical equipment cavity, through having set up the transformer, thermostatic control device and heating element, the device can not only generate heat, produce the temperature, and can keep the constancy of temperature in the cavity unchangeable through temperature thermostatic control device, the colliery electrical equipment dampproofing technique has been improved, operation flow and technology have been reduced, reduce artifical intensity of labour, promote colliery electromechanical device management method, can solve because the change of air circumstance temperature in the electrical equipment cavity well, the trouble emergence of electromechanical device that leads to behind the condensation, the operation and the production efficiency of electromechanical device have been improved, fill the blank of this technique, there are fine practicality and spreading value.
In order to achieve the above object, the utility model provides a following technical scheme: a condensation-preventing protection device in a mining electrical equipment cavity comprises an electrical equipment box and a fixing frame, wherein positioning holes are formed in two ends of the electrical equipment box, the fixing frame is arranged in the electrical equipment box, a transformer, a constant temperature control device and a heating element are fixedly arranged in the fixing frame, a constant temperature control device is arranged on one side of the transformer, the heating element is arranged on one side of the constant temperature control device, and an installation assembly is embedded in one side of the fixing frame;
a 1140-volt power supply wiring terminal is arranged on one side of the transformer, a 660-volt power supply wiring terminal is arranged below the 1140-volt power supply wiring terminal, a 1140-volt and 660-volt public wiring terminal of the transformer is arranged below the 660-volt power supply wiring terminal, a primary-side fuse of the transformer is arranged below the 1140-volt and 660-volt public wiring terminal of the transformer, a secondary-side 24-volt wiring terminal of the transformer is arranged on the other side of the transformer, a secondary-side 0-volt wiring terminal of the transformer is arranged below the secondary-side 24-volt wiring terminal of the transformer, and a secondary-side fuse of;
a temperature execution relay is arranged on the front surface of the constant temperature control device, and a temperature sensor is arranged on one side of the temperature execution relay;
and a thermostatic controller output switch is arranged above the heating element.
In a preferred embodiment, the mounting assembly includes a movable plate, a fastening spring is fixedly connected to a side surface of the movable plate, a positioning rod is installed on one side of the movable plate in a penetrating manner, a limiting block is fixedly installed at one end of the positioning rod, the positioning rod is slidably connected with the fixing frame, and the size of the positioning rod is matched with that of the positioning hole.
In a preferred embodiment, the upper surface of the fixing frame is provided with a mounting hole, a top plate is mounted above the fixing frame in a matching manner, dust screens are fixedly arranged on two sides of the top plate, and a positioning pin is embedded in the upper surface of the top plate.
In a preferred embodiment, the number of the positioning rods is provided with two groups.
In a preferred embodiment, the fixing frame is connected with a dustproof network card on the top plate in a combined mode.
In a preferred embodiment, the holder is designed in a U-shaped design.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a set up transformer, thermostatic control device and heating element, the device can not only generate heat, produce the temperature, and can keep the temperature constancy in the cavity unchangeable through the thermostatic control device of temperature, improved colliery electrical equipment dampproofing technique, reduced operation flow and technology, reduce artifical intensity of labour, promote colliery electromechanical device management method, can solve because the change of air ambient temperature in the electrical equipment cavity well, the trouble of electromechanical device that leads to after the condensation takes place, the operation and the production efficiency of electromechanical device have been improved, fill up the blank of this technique, there are fine practicality and spreading value;
2. the utility model discloses in through having set up the installation component, the fastening spring of compressed is promoting fly leaf and locating lever constantly, when promoting suitable position department, in the locating lever will insert the locating hole on the electrical equipment case, thereby fix the mount on the electrical equipment case, can be quick fix the mount, made things convenient for the user to dismantle it, guaranteed the stability between mount and the electrical equipment case, the cooperation has the dust screen, can provide good dustproof effect, made things convenient for people to clear up it, the effectual damage that the dust caused the inside electrical part that has reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the transformer, the thermostatic control device and the heating element of the present invention.
Fig. 3 is a schematic structural view of the middle fixing frame and the top plate of the present invention.
Fig. 4 is a schematic structural diagram of the middle mounting assembly of the present invention.
Fig. 5 is a schematic circuit diagram of the present invention.
The reference signs are: 1. an electrical equipment box; 2. positioning holes; 3. a fixed mount; 4. a transformer; 5. a constant temperature control device; 6. a heating element; 7. mounting holes; 8. mounting the component; 81. a movable plate; 82. a fastening spring; 83. positioning a rod; 84. a limiting block; 9. a top plate; 10. a dust screen; 11. positioning pins; 12. 1140V power supply terminal; 13. 660 volt power terminals; 14. 1140 volt and 660 volt common terminals on the primary side of the transformer; 15. a primary side fuse of the transformer; 16. a 24V wiring terminal on the secondary side of the transformer; 17. a 0V wiring terminal on the secondary side of the transformer; 18. a secondary side fuse of the transformer; 19. a temperature execution relay; 20. a temperature sensor; 21. and the thermostatic controller outputs a switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The anti-condensation protection device in the mining electrical equipment cavity shown in the attached drawings 1-5 comprises an electrical equipment box 1, a fixing frame 3, a transformer 4, a thermostatic control device 5 and a heating element 6, wherein positioning holes 2 are formed in two ends of the electrical equipment box 1, the fixing frame 3 is installed in the electrical equipment box 1, the transformer 4, the thermostatic control device 5 and the heating element 6 are fixedly arranged in the fixing frame 3, the thermostatic control device 5 is arranged on one side of the transformer 4, the heating element 6 is installed on one side of the thermostatic control device 5, and an installation component 8 is embedded into one side of the fixing frame 3;
a 1140-volt power supply terminal 12 is arranged on one side of the transformer 4, a 660-volt power supply terminal 13 is arranged below the 1140-volt power supply terminal 12, a 1140-volt and 660-volt public terminal 14 on the primary side of the transformer is arranged below the 660-volt power supply terminal 13, a fuse 15 on the primary side of the transformer is arranged below the 1140-volt and 660-volt public terminal 14 on the primary side of the transformer, a 24-volt terminal 16 on the secondary side of the transformer is arranged on the other side of the transformer 4, a 0-volt terminal 17 on the secondary side of the transformer is arranged below the 24-volt terminal 16 on the secondary side of the transformer, and a fuse 18 on the;
a temperature execution relay 19 is arranged on the front surface of the constant temperature control device 5, and a temperature sensor 20 is arranged on one side of the temperature execution relay 19;
a thermostatic controller output switch 21 is arranged above the heating element 6.
Further, the mounting assembly 8 includes a movable plate 81, a fastening spring 82 is fixedly connected to a side surface of the movable plate 81, a positioning rod 83 is installed on one side of the movable plate 81 in a penetrating manner, a limiting block 84 is fixedly installed at one end of the positioning rod 83, the positioning rod 83 is slidably connected with the fixing frame 3, and the size of the positioning rod 83 is matched with the size of the positioning hole 2.
Further, mounting hole 7 has been seted up to mount 3 upper surface, roof 9 is installed to mount 3 top adaptation, the fixed dust screen 10 that is provided with in roof 9 both sides, roof 9 upper surface embedding installs locating pin 11.
Further, the number of the positioning rods 83 is two.
Furthermore, the fixing frame 3 is connected with a dust screen 10 on the top plate 9 in a clamping way.
Furthermore, the fixing frame 3 is designed in a U-shaped structure.
The utility model discloses the theory of operation:
referring to the attached drawings 1, 2 and 5 of the specification, through arranging the transformer 4, the thermostatic control device 5 and the heating element 6, connecting wires are respectively connected with the 1140-volt power supply terminal 12 and the 660-volt power supply terminal 13 on the transformer 4, so that the primary side winding of the transformer 4 adopts two selectable voltage levels of 1140 volt and 660 volt matched with the underground coal mine, the primary side fuse 15 of the transformer is connected with the power supply terminal of the corresponding level voltage of the electric equipment in the cavity through the 1140-volt and 660-volt public terminal 14 of the transformer and the primary side fuse 15 of the transformer, 24-volt alternating current power is output by the 24-volt terminal 16 of the secondary side of the transformer after the secondary side of the transformer is transformed, and the alternating current power is used by the protection device after being connected with the 0-volt;
wherein, the heating element 6 is supplied with power by 24V AC output by the transformer 4, the circuit is connected in series with the switching value signal output by the constant temperature control device 5 to control the working state (heating or non-heating) of the heating element 6, the constant temperature control device 5 is composed of a temperature sensor 20 with settable constant temperature number, a voltage stabilizing control circuit, a temperature execution relay 19, an accessory and the like, according to the cavity temperature detected by the temperature sensor 20, the control circuit instructs the temperature execution relay 19 to execute the opening or closing of the output switch 21 of the constant temperature controller, the circuit of the heating element 6 is opened or closed, and the heating element 6 stops or starts to generate heat;
referring to the attached drawings 1, 3 and 4 of the specification, by providing the mounting assembly 8, a user presses the movable plate 81 inwards, the movable plate 81 drives the positioning rod 83 to slide on the fixed frame 3, the fastening spring 82 on the movable plate 81 is compressed, then the fixed frame 3 is pushed towards the electrical equipment box 1, the compressed fastening spring 82 pushes the movable plate 81 and the positioning rod 83 at any time, when the movable plate is pushed to a proper position, the positioning rod 83 is inserted into the positioning hole 2 on the electrical equipment box 1, so that the fixed frame 3 is fixed on the electrical equipment box 1, the fixed frame 3 can be fixed quickly, the user can detach the fixed frame conveniently, the stability between the fixed frame 3 and the electrical equipment box 1 is ensured, the top plate 9 is lapped on the fixed frame 3, the positioning pin 11 penetrates through the top plate 9 and the mounting hole 7, so that the top plate 9 and the dust-proof net 10 are fixed, can provide good dustproof effect, make things convenient for people to clear up it, provide higher simple operation nature.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a prevent condensation protection device in mining electrical equipment cavity, includes electrical equipment case (1), its characterized in that: positioning holes (2) are formed in two ends of the electrical equipment box (1), a fixing frame (3) is installed inside the electrical equipment box (1), a transformer (4), a thermostatic control device (5) and a heating element (6) are fixedly arranged in the fixing frame (3), a thermostatic control device (5) is arranged on one side of the transformer (4), the heating element (6) is installed on one side of the thermostatic control device (5), and an installation assembly (8) is embedded into one side of the fixing frame (3);
a 1140-volt power supply wiring terminal (12) is arranged on one side of the transformer (4), a 660-volt power supply wiring terminal (13) is arranged below the 1140-volt power supply wiring terminal (12), a primary 1140-volt and 660-volt public wiring terminal (14) of the transformer is arranged below the 660-volt power supply wiring terminal (13), a primary fuse (15) of the transformer is arranged below the primary 1140-volt and 660-volt public wiring terminal (14) of the transformer, a secondary 24-volt wiring terminal (16) of the transformer is arranged on the other side of the transformer (4), a secondary 0-volt wiring terminal (17) of the transformer is arranged below the secondary 24-volt wiring terminal (16) of the transformer, and a secondary fuse (18) of the transformer is arranged below the secondary 0;
a temperature execution relay (19) is arranged on the front surface of the constant temperature control device (5), and a temperature sensor (20) is arranged on one side of the temperature execution relay (19);
a thermostatic controller output switch (21) is arranged above the heating element (6).
2. The mining electrical equipment cavity internal condensation prevention protection device of claim 1, characterized in that: installation component (8) are including fly leaf (81), fly leaf (81) side surface fixedly connected with fastening spring (82), one side of fly leaf (81) is run through and is installed locating lever (83), the one end fixed mounting of locating lever (83) has stopper (84), locating lever (83) and mount (3) sliding connection, the size of locating lever (83) and the big or small looks adaptation of locating hole (2).
3. The mining electrical equipment cavity internal condensation prevention protection device of claim 1, characterized in that: mounting hole (7) have been seted up to mount (3) upper surface, roof (9) are installed to mount (3) top adaptation, roof (9) both sides are fixed and are provided with dust screen (10), locating pin (11) are installed to roof (9) upper surface embedding.
4. The mining electrical equipment cavity internal condensation prevention protection device of claim 2, characterized in that: the number of the positioning rods (83) is two.
5. The mining electrical equipment cavity internal condensation prevention protection device of claim 3, characterized in that: the fixed frame (3) is connected with the dust screen (10) on the top plate (9) in a clamping way.
6. The mining electrical equipment cavity internal condensation prevention protection device of claim 5, characterized in that: the fixing frame (3) is designed into a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392994.0U CN210273219U (en) | 2019-08-26 | 2019-08-26 | Anti-condensation protection device in cavity of mining electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921392994.0U CN210273219U (en) | 2019-08-26 | 2019-08-26 | Anti-condensation protection device in cavity of mining electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210273219U true CN210273219U (en) | 2020-04-07 |
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ID=70018555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921392994.0U Active CN210273219U (en) | 2019-08-26 | 2019-08-26 | Anti-condensation protection device in cavity of mining electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210273219U (en) |
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2019
- 2019-08-26 CN CN201921392994.0U patent/CN210273219U/en active Active
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