Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a hydrogen compressor cooling device of a hydrogen adding station, so as to solve the technical problem of poor cooling effect of the cooling device of the hydrogen compressor of the traditional hydrogen adding station.
In order to solve the above problems, the present invention provides a hydrogen compressor cooling device for a hydrogen adding station, comprising: including the cooler bin of level setting, contain the coolant liquid in the cooler bin, still include:
the lifting cylinders are vertically and symmetrically arranged on the cooling box, the upper ends of the lifting cylinders vertically penetrate through the top wall of the cooling box, and the lower ends of the lifting cylinders are fixedly connected to the connecting plate;
The inner side wall of the lifting cylinder is provided with a plurality of vertical grooves which are uniformly distributed, the upper end and the lower end of each vertical groove extend to the upper end and the lower end of the lifting cylinder, and a plurality of connecting blocks are fixed between the side walls of each vertical groove;
The lifting plate is in sealing sliding connection in the lifting cylinder, the outer circumferential side wall of the lifting plate is fixedly connected with a plurality of vertical rods which are correspondingly and hermetically arranged in the vertical grooves in a sliding manner, the lower end of each vertical rod is fixedly connected with a permanent magnet block, and the magnetic poles of the permanent magnet blocks below the two lifting cylinders are opposite;
the driving mechanism is arranged between the two lifting cylinders and is suitable for driving the lifting cylinders to move up and down.
Preferably, the driving mechanism comprises a magnetic disc horizontally rotatably connected to the upper surface of the cooling box, a horizontal plate is arranged at the upper end of the magnetic disc, a plurality of vertically arranged elastic corrugated pipes are fixedly connected to the lower side wall of the horizontal plate in the circumferential direction, the lower end of each elastic corrugated pipe is fixedly connected to the upper surface of the cooling box, and evaporation liquid is contained in the elastic corrugated pipes.
Preferably, the magnetic disk comprises two sector-shaped magnetic blocks with opposite magnetic poles.
Preferably, the lower surface center fixedly connected with vertical internal thread section of thick bamboo of setting of horizontal plate, the inside threaded connection of internal thread section of thick bamboo has the screw thread post, the lower extreme fixedly connected with coaxial connecting rod that sets up of screw thread post, the lower extreme of connecting rod extends to the outside of internal thread section of thick bamboo, and with coaxial fixed connection of magnetic disk.
Preferably, the lower lateral wall fixedly connected with of horizontal plate many telescopic links of vertical setting, the upper end of telescopic link is located elasticity bellows with between the magnetic disk, the lower extreme all extends to in the cooling tank and runs through the connecting plate with the diapire of cooling tank, fixed cover is equipped with the drive ring on the telescopic link, the drive ring is located the connecting plate with between the diapire of cooling tank.
Preferably, the lower end of each telescopic rod is fixedly connected with a conductive block positioned outside the bottom wall of the cooling box, a power-on sheet is further embedded on the outer surface of the bottom wall of the cooling box, the power-on sheet is positioned right above the conductive block, and the conductive block and the power-on sheet are all connected in series on a conduction loop of the motor.
Preferably, the cooling device further comprises an auxiliary mechanism, wherein the auxiliary mechanism comprises an outer rotating fan and an inner rotating fan which are respectively and fixedly installed outside and inside the cooling box, the outer rotating fan and the inner rotating fan are fixedly connected with the cooling box through fixing rods, a transmission belt is sleeved between horizontal rotating shafts of the outer rotating fan and the inner rotating fan, and the transmission belt penetrates through the upper wall of the cooling box.
Preferably, a motor is installed on the outer side wall of the cooling box, and an output shaft of the motor penetrates through the side wall of the cooling box and is fixedly connected with the horizontal rotating shaft of the inner rotating fan.
Preferably, a plurality of communication holes are formed in the upper end of the side wall of the cooling box, and limiting rings are fixedly connected to the upper port and the lower port of the lifting cylinder.
Preferably, the diameter of the connecting rod is smaller than the diameter of the threaded column.
Compared with the prior art, the hydrogen compressor cooling device for the hydrogen adding station has the following beneficial effects:
1. according to the invention, the lifting cylinder and the lifting plate are arranged, the vertical groove on the lifting cylinder and the vertical rod on the lifting plate are matched and are in sealing sliding connection with each other, when the hydrogen compressor is positioned in the lifting cylinder, the vertical rod is matched with the vertical groove, so that a closed space is formed in the lifting cylinder, and the compressor is prevented from being affected with damp in the cooling process; when the compressor is positioned outside the lifting cylinder, gaps among the plurality of vertical rods cannot cause obvious resistance to the flow of air, so that the normal heat dissipation of the compressor is guaranteed, two purposes are achieved, and the use is more convenient.
2. According to the invention, the driving mechanism is arranged, and the lifting plate is lifted and lowered through the driving mechanism, so that the cooling mode can be automatically selected according to different temperatures of the compressor, and when the cooling device is used, no additional operation is needed manually, the labor intensity is reduced, and the cooling device is convenient to use.
3. According to the invention, the auxiliary mechanism is arranged, and the external rotating fan and the internal rotating fan in the auxiliary mechanism can realize the directional flow of air and cooling liquid, so that the heat at the periphery of the compressor can be taken away, and the cooling effect is obviously improved.
4. According to the invention, the electrifying piece and the conducting block are arranged, so that the motor can not be started when the compressor is positioned outside the cooling box, and the conducting block can be contacted with the electrifying piece when the compressor is positioned inside the cooling box, so that the motor is electrified and started to drive the inner rotating fan to rotate, the cooling liquid in the cooling box can directionally flow, a better cooling effect can be achieved, automatic switching of a circuit can be performed according to the position of the compressor, manual operation is not needed, and labor input is effectively reduced.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate directional terms, and are merely used for simplifying the description based on the positional relationship of the drawings in the specification, and do not represent that the elements and devices and the like referred to must be operated according to the specific orientations and the operations and methods, configurations defined in the specification, and such directional terms do not constitute limitations of the present invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as exemplified by a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-4, an embodiment of the present invention provides a hydrogen compressor cooling device for a hydrogen adding station, which includes a cooling box 1, two lifting cylinders 2, a lifting plate 5 and a driving mechanism,
Wherein, two lift section of thick bamboo 2 vertical symmetry set up on cooling tank 1, and the upper end of lift section of thick bamboo 2 vertically runs through the roof that sets up at cooling tank 1, and the lower extreme fixed connection of lift section of thick bamboo 2 is on connecting plate 17. The inside wall of the lifting cylinder 2 is provided with a plurality of vertical grooves 3 which are uniformly distributed, the upper end and the lower end of each vertical groove 3 extend to the upper end and the lower end of the lifting cylinder 2, and a plurality of connecting blocks 4 are fixed between the side walls of each vertical groove 3.
The lifting plate 5 is in sealed sliding connection in the lifting cylinder 2, the outer circumferential side wall of the lifting plate 5 is fixedly connected with a plurality of vertical rods 6 which are correspondingly and slidably arranged in the vertical grooves 3 in a sealed manner, the lower end of each vertical rod 6 is fixedly connected with a permanent magnet block 7, and the magnetic poles of the permanent magnet blocks 7 below the two lifting cylinders 2 are opposite.
The driving mechanism is arranged between the two lifting cylinders 2 and is suitable for driving the lifting cylinders 2 to move up and down.
From this, contain the coolant liquid in the cooler bin 1 that the level set up, the coolant liquid can use current known coolant liquid, is provided with a pair of equal vertical lift section of thick bamboo 2 on the cooler bin 1, and lift plate 5 sealed sliding connection is in lift section of thick bamboo 2, and hydrogen compressor connects on lift plate 5, under actuating mechanism's effect, and hydrogen compressor on the lift plate 5 can sink into the coolant liquid with lift section of thick bamboo 2 and cool off.
Referring to fig. 1, in the present embodiment, it should be noted that the cooling tank 1 is a closed tank, the cooling tank 1 is filled with cooling liquid, and a plurality of communication holes are formed at positions of two side walls of the cooling tank 1 near the upper end for balancing air pressure. In addition, the upper port and the lower port of the lifting cylinder 2 are fixedly connected with limiting rings 8, so that the lifting cylinder 2 and the top wall of the cooling box 1 are prevented from slipping in the vertical up-and-down movement process.
Referring to fig. 1, in the present embodiment, the upper and lower ends of the lifting cylinder 2 are all open, and the upper end of the lifting cylinder 2 is disposed through the upper side wall of the cooling box 1; in addition, the lifting cylinder 2 is in sealing sliding connection with the cooling box 1, and a sealing ring is arranged at the joint of the lifting cylinder 2 and the cooling box 1 so as to effectively ensure the sealing effect.
Specifically, referring to fig. 1, in this embodiment, the driving mechanism includes a magnetic disc 9 rotatably connected to the upper surface of the cooling tank 1 horizontally, a horizontal plate 11 is disposed at the upper end of the magnetic disc 9, a plurality of vertically disposed elastic bellows 12 are fixedly connected to the lower side wall of the horizontal plate 11 in the circumferential direction, the lower end of each elastic bellows 12 is fixedly connected to the upper surface of the cooling tank 1, and an evaporation liquid is contained in the elastic bellows 12, and is normally liquid, but evaporates into gas when overheated.
Thus, when the heat emitted from the hydrogen compressor is small, the evaporating liquid in the elastic bellows 12 is in a liquid state and is in a contracted state; when the heat emitted by the hydrogen compressor is large, the evaporating liquid in the elastic corrugated tube 12 evaporates into a gaseous state and is in an expansion state, at this time, the elastic corrugated tube 12 can lift the horizontal plate 11 and drive the telescopic rod 16 to move up and down, so that the connecting plate 17 on the telescopic rod 16 moves up and down, the lifting cylinders 2 are connected to the connecting plate 17, and the two lifting cylinders 2 are driven to move up and down, so that the hydrogen compressor in the lifting cylinders 2 is cooled.
Specifically, referring to fig. 1 and 4, in the present embodiment, the magnetic disk 9 includes two sector-shaped magnetic blocks 10 having opposite poles, and the sector-shaped magnetic blocks 10 attract and hold a workpiece by the magnetic force of the permanent magnets.
Since the permanent magnets 7 below the two lifting cylinders 2 are also oppositely arranged in magnetism, the shadow part of the magnetic disc 9 is firstly attracted with the permanent magnets 7 below the left lifting cylinder 2, the white part of the magnetic disc 9 is attracted with the permanent magnets 7 below the right lifting cylinder 2, and after one rotation, the positions of the shadow part and the white part of the magnetic disc 9 are reversed, so that the magnetic disc 9 can be respectively repelled with the permanent magnets 7 below the two lifting cylinders 2.
Specifically, referring to fig. 1, in the present embodiment, the center of the lower surface of the horizontal plate 11 is fixedly connected with a vertically disposed internal thread cylinder 13, the internal thread of the internal thread cylinder 13 is connected with a thread post 14, the lower end of the thread post 14 is fixedly connected with a coaxially disposed connecting rod 15, and the lower end of the connecting rod 15 extends to the outside of the internal thread cylinder 13 and is fixedly connected with the magnetic disk 9 coaxially.
Therefore, due to the fact that the internal thread cylinder 13 is in screw threaded connection with the screw thread column 14, when the horizontal plate 11 drives the internal thread cylinder 13 to move upwards, the screw thread column 14 rotates under the action of screw threads, the magnetic disc 9 is driven to rotate when the screw thread column 14 rotates, the rotating angle of the magnetic disc 9 depends on the rotating angle of the screw thread column 14, the rotating angle of the screw thread column 14 depends on the vertical length of screw threads on the inner side wall of the internal thread cylinder 13, and the screw thread pitch can be calculated in a specific implementation process.
It should be noted that the diameter of the connecting rod 15 is smaller than the diameter of the threaded post 14, so that the connecting rod 15 is prevented from slipping off.
Specifically, referring to fig. 1, in the embodiment of the present invention, a plurality of vertically disposed telescopic rods 16 are fixedly connected to the lower side wall of the horizontal plate 11, the telescopic rods 16 are uniformly distributed along the circumferential direction of the horizontal plate 11, the upper ends of the telescopic rods 16 are located between the elastic bellows 12 and the magnetic disc 9, the lower ends of the telescopic rods 16 extend into the cooling box 1, the telescopic rods 16 sequentially penetrate through the top wall of the cooling box 1, the connecting plate 17 and the bottom wall of the cooling box 1, a driving ring 18 is fixedly sleeved on the telescopic rods 16, and the driving ring 18 is located between the connecting plate 17 and the bottom wall of the cooling box 1 so as to limit the vertical movement of the connecting plate 17.
Specifically, referring to fig. 1, the lower end of each telescopic rod 16 is fixedly connected with a conductive block 24 located outside the bottom wall of the cooling box 1, an energizing sheet 23 is further embedded on the outer surface of the bottom wall of the cooling box 1, the energizing sheet 23 is located right above the conductive block 24, and the conductive block 24 and the energizing sheet 23 are connected in series on a conduction loop of the motor 22.
Thus, when the conductive block 24 at the lower end of the telescopic rod 16 moves up to contact with the energizing sheet 23, the circuit of the motor 22 is conducted. Because the energizing sheet 23 and the conductive block 24 are connected in series in the circuit of the motor 22 through common wire connection, the energizing sheet 23 and the conductive block 24 can conduct the circuit of the motor 22 when contacting, which is a common prior art.
Specifically, referring to fig. 1, in the embodiment of the present invention, the cooling device for the hydrogen compressor of the hydrogen station further includes an auxiliary mechanism, the auxiliary mechanism includes an outer rotating fan 19 and an inner rotating fan 20 respectively fixedly installed at the outside and inside of the cooling tank 1, the outer rotating fan 19 and the inner rotating fan 20 are fixedly connected with the cooling tank 1 through a fixing rod, a driving belt 21 is sleeved between horizontal rotating shafts of the outer rotating fan 19 and the inner rotating fan 20, and the driving belt 21 is disposed penetrating through an upper wall of the cooling tank 1.
The motor 22 is installed to the lateral wall of cooling tank 1, and the output shaft of motor 22 runs through the lateral wall of cooling tank 1 to with the horizontal pivot fixed connection of internal rotation fan 20.
Therefore, when the conductive block 24 is in contact with the electrifying sheet 23, the motor 22 is started, the motor 22 drives the inner rotating fan 20 to rotate, the rotating inner rotating fan 20 can enable cooling liquid in the cooling box 1 to directionally flow, a better cooling effect can be achieved, the outer rotating fan 19 can rotate along with the cooling liquid under the drive of the driving belt 21, and heat around the hydrogen compressor can be blown away at the upper end of the lifting cylinder 2, so that the cooling effect is further improved.
The working process comprises the following steps: when the hydrogen compressor cooling device of the hydrogen station in the embodiment of the invention is used, when the heat emitted by the hydrogen compressor is smaller, the evaporating liquid in the elastic corrugated pipe 12 is in a liquid state and is in a contracted state, at the moment, under the attractive force action between the two fan-shaped magnetic blocks 10 on the magnetic disc 9 and the permanent magnet blocks 7 below the two lifting cylinders 2, the lifting plate 5 is driven to the upper port of the lifting cylinder 2, at the moment, the hydrogen compressor on the lifting plate 5 is positioned outside the cooling box 1, and the horizontal rotating shaft of the outer rotating fan 19 is connected with the driving belt 21 through the one-way bearing, so that the outer rotating fan 19 can be driven to rotate under the action of external air flow, and the air flow can play the cooling effect through the hydrogen compressor.
When the heat emitted by the compressor is large, the evaporating liquid in the elastic corrugated pipe 12 is heated and vaporized to expand, the horizontal plate 11 is pushed upwards, the internal thread cylinder 13 below the horizontal plate 11 moves upwards along with the internal thread cylinder, the thread column 14 in threaded connection with the internal thread cylinder 13 drives the magnetic disc 9 to rotate through the connecting rod 15, after the magnetic disc 9 rotates for one circle (the length of the inner side wall of the internal thread cylinder 13 and the thread pitch are set to corresponding values, the positions of the two fan-shaped magnetic blocks 10 on the magnetic disc 9 are reversed, and as the permanent magnetic blocks 7 below the two lifting cylinders 2 are opposite in magnetism, the permanent magnetic blocks are repelled from the same poles of the permanent magnetic blocks 7 below the two lifting cylinders 2, and the plurality of vertical rods 6 are subjected to downward acting force, so that the lifting plate 5 is driven to move downwards, and the hydrogen compressor thereon gradually moves into the cooling box 1.
In the process of downward movement of the hydrogen compressor, the vertical rods 6 on the circumference of the side wall of the lifting plate 5 can slide into the vertical grooves 3 one by one, the vertical rods 6 slide in a matched manner with the vertical grooves 3, a closed space is formed in the lifting cylinder 2, the hydrogen compressor is isolated from cooling liquid in the cooling box 1, the compressor is prevented from being damped, the cooling liquid can be made to be close to the compressor to the greatest extent, and the heat absorption effect is effectively improved.
In the process of moving up the horizontal plate 11, the telescopic rod 16 is driven to move up, the telescopic rod 16 drives the driving ring 18 to move up again, so that the lifting cylinder 2 is driven to move up by a certain distance through the connecting plate 17, the lifting cylinder 2 and the plurality of vertical rods 6 move down to form disturbance on cooling liquid, the cooling liquid with lower temperature flows to the vicinity of the hydrogen compressor, and the cooling effect is further improved.
When the conducting block 24 at the lower end of the telescopic rod 16 moves upwards to be in contact with the electrifying sheet 23, a circuit of the motor 22 is conducted, the motor 22 is started, the motor 22 drives the inner rotating fan 20 to rotate, the rotating inner rotating fan 20 can enable cooling liquid in the cooling box 1 to directionally flow, a better cooling effect can be achieved, the outer rotating fan 19 can rotate along with the outer rotating fan under the driving of the driving belt 21, heat around the compressor can be blown away at the upper end of the lifting cylinder 2, and the cooling effect is further improved.
Although the disclosure is based on the foregoing, the scope of the disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.