CN220210844U - Control cabinet of programmable logic controller of heat exchange station - Google Patents
Control cabinet of programmable logic controller of heat exchange station Download PDFInfo
- Publication number
- CN220210844U CN220210844U CN202321417154.1U CN202321417154U CN220210844U CN 220210844 U CN220210844 U CN 220210844U CN 202321417154 U CN202321417154 U CN 202321417154U CN 220210844 U CN220210844 U CN 220210844U
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- Prior art keywords
- shell
- impeller
- control cabinet
- heat exchange
- programmable logic
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- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 238000001035 drying Methods 0.000 claims abstract description 22
- 239000007787 solid Substances 0.000 claims abstract description 10
- 239000002250 absorbent Substances 0.000 claims abstract description 6
- 230000002745 absorbent Effects 0.000 claims abstract description 6
- 239000000428 dust Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000003230 hygroscopic agent Substances 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 206010020649 Hyperkeratosis Diseases 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004801 process automation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to a control cabinet of a programmable logic controller of a heat exchange station, which comprises a base (1), a shell (6) and a top plate (7), wherein a circulating ventilation groove (11) is formed in the base (1), a drying box (13) is arranged in the circulating ventilation groove (11), a solid moisture absorbent (12) is arranged in the drying box (13), the shell (6) is arranged on the upper surface of the base (1), through holes (15) are symmetrically formed in the lower portion of the shell (6), a first impeller (2) is arranged in the through holes (15), a spindle of the first impeller (2) is connected with a motor (16), the through holes (15) correspond to the opening of the circulating ventilation groove (11), a movable door (18) is arranged on one side of the shell (6), and the top plate (7) is arranged at the upper end of the shell (6). According to the utility model, the outside air is uniformly conveyed into the shell through the shunt pipe, so that the outside air is blown on the equipment, the equipment is uniformly cooled, and meanwhile, the first impeller enables the moist air in the shell to enter the drying box for circulating drying, so that the drying degree of the air in the shell is improved.
Description
Technical field:
the utility model relates to a control cabinet of a programmable logic controller of a heat exchange station.
The background technology is as follows:
the device is a heat exchange station on-site device control cabinet integrating an electric automation technology, a PLC technology and a process control technology. The PLC control cabinet refers to a programmable logic control cabinet, is a complete set of control cabinets containing various components, can realize the on-site equipment start-stop and running states of a heat exchange station of a heat supply network and monitoring of measuring points, and can also realize the automatic control of the heat load of a heat exchange station unit. The programmable logic control cabinet has the advantages of compact structure, stable work, complete functions and the like. The PLC control cabinet can complete equipment automation and process automation control, and has the characteristics of stable performance, expandability, strong interference resistance and the like.
Through mass retrieval, find prior art, publication number is CN213907302U, a PLC switch board with visual terminal is disclosed, including circulating water pump, the storage water tank, the inlet tube, the PLC switch board main part, the heat dissipation cover and heat dissipation shutter, the support callus on the sole is installed to PLC switch board main part downside, PLC switch board main part front side is provided with the heat dissipation shutter, control panel is installed on terminal surface right side before the PLC switch board main part, PLC switch board main part upside is provided with the storage water tank, circulating water pump is installed to the storage water tank upside, the inside cooling compartment that has dispelled the heat of having seted up of PLC switch board main part, the storage water tank is provided with the inlet tube with the PLC switch board main part junction, the outlet pipe is installed to circulating water pump and storage water tank junction, the inside temperature-sensing ware that is provided with of PLC switch board main part, PLC switch board main part left and right sides is provided with heat dissipation sleeve, this design has solved the problem that the PLC switch board radiating effect of original having visual terminal is not good, the utility model is rational in infrastructure, the radiating speed is fast, the radiating effect is good.
To sum up, this switch board is carrying out radiating in-process unable effectual heat dissipation to internal equipment, only carries out indirect cooling to internal equipment through the temperature that reduces the switch board, can't dispel the heat fast, and the equipment is inside to not set up dehydrating unit generally simultaneously, leads to the casing internal equipment to receive moist air's influence easily, does not accord with the operation requirement of underground heat exchange station.
The utility model comprises the following steps:
the utility model provides a control cabinet of a programmable logic controller of a heat exchange station, which solves the technical problem of dealing with the environmental humidity of an underground heat exchange station. The technical scheme of the utility model is as follows: the utility model provides a programmable logic controller switch board of heat exchange station, including base (1), casing (6) and roof (7), circulation ventilation groove (11) have been seted up to the inside of base (1), install drying box (13) in circulation ventilation groove (11), drying box (13) are interior to have solid moisture absorbent (12), the last surface mounting casing (6) of base (1), casing (6) lower part symmetry is equipped with through-hole (15), install first impeller (2) in through-hole (15), motor (16) are connected to the main shaft of first impeller (2), through-hole (15) are corresponding with the opening part of circulation ventilation groove (11), dodge gate (18) are installed to one side of casing (6), roof (7) are installed to the upper end of casing (6), roof (7) inside is equipped with ventilation chamber (8), ventilation chamber (8) are located the lower surface of roof (7), and the opening part of ventilation chamber (8) is provided with second filter screen (17), internally mounted second impeller (9) of ventilation chamber (8), ventilation chamber (8) inboard both ends symmetry are connected with blast pipe (4), blast pipe (4) pass casing (6) inner wall (5) a plurality of shunt tubes, a plurality of blast pipe (5) are connected to blast pipe (4).
The lower surface of the base (1) is rectangular and is provided with supporting feet (14), a hidden handle (20) is arranged on one side of the movable door (18) and the drying box (13) which is away from the shell (6), and the drying box (13) is extractable.
The shutter (3) is arranged on two sides of the shell (6), and a first filter screen (10) is arranged on the inner side of the shutter (3).
One side of the first impeller (2) and one side of the second impeller (9) are respectively provided with a motor (16).
The working principle of the utility model is as follows:
the built-in power supply is connected in the control cabinet, a circuit breaker is arranged on an outgoing line of the power supply, the motor (16) can be controlled to start and stop, the second impeller (9) rotates at a high speed through the motor (16), negative pressure is generated inside the ventilating chamber (8), outside air can be conveyed into the air supply pipe (4), the inside air of the air supply pipe (4) is uniformly conveyed into the inside of the shell (6) through the shunt pipe (5), the outside air is blown on equipment inside the shell (6) through the shunt pipe (5), the equipment inside the shell (6) is effectively cooled, meanwhile, the air inside the shell (6) is enabled to circulate through the first impeller (2) inside the through hole (15), the air inside the shell (6) enters the circulating ventilating groove (11), the moist air can be dried after passing through the solid moisture absorbent (12) inside the drying box (13), the inside of the shell (6) can be effectively dried, the influence of the moist air on the inside of the shell (6) is avoided, the dust can be filtered by the first impeller (10) and the second impeller (17), the dust can enter the filter screen (6) and the filter screen, and the dust life of the dust filter can be prolonged, and the dust filter can be controlled to be prolonged, and the dust can be used for a user.
The utility model has the technical effects that:
according to the utility model, the motor (16) is controlled to start and stop through the circuit breaker, the motor (16) rotates and then drives the second impeller (9) to rotate, negative pressure is generated after the motor rotates, air enters the ventilation chamber (8) through the second filter screen (17) and enters the air supply pipe (4), and finally the air conveyed by the air supply pipe (4) is uniformly conveyed into the shell through the shunt pipe (5), so that the shunt pipe (5) blows external air onto equipment in the shell (6), the equipment in the shell (6) is effectively cooled, the air in the shell (6) enters the circulating ventilation groove (11), and the moist air is dried and dehumidified through the solid hygroscopic agent (12) in the drying box (13), so that the influence of the moist air on the service life of the controller and components in the shell (6) is avoided.
Based on the scheme, the utility model has the following characteristics: the two sides of the shell (6) are horizontally provided with the shutter (3), and the inner side of the shutter (3) is provided with a first filter screen.
The beneficial effects of adopting above-mentioned scheme are: the shutter (3) enables the control cabinet to exchange the internal and external air of the shell (6) so as to automatically dissipate heat, and meanwhile, the first filter screen (10) can prevent external dust or insects from entering the shell (6), so that dust accumulation in the shell (6) is effectively avoided.
A hidden handle (20) is arranged on one side of the movable door (18) and one side of the drying box (13) which are away from the shell (6), and meanwhile, the drying box (13) is extractable due to the fact that the solid hygroscopic agent (12) needs to be replaced regularly.
The beneficial effects of adopting above-mentioned scheme are: the working efficiency of opening the movable door (18) by operation maintenance personnel can be effectively improved through the hidden handle (20) and the extractable drying box (13), so that the labor intensity of the operation maintenance personnel is reduced.
A second filter screen (17) is arranged at the opening of the lower surface of the protruding end of the top plate (7).
The beneficial effects of adopting above-mentioned scheme are: the air entering the shell (6) can be filtered once, dust in the air can be effectively prevented from entering the shell (6), and meanwhile, the air circulation capacity of the control cabinet is greatly enhanced.
A motor (16) is arranged on one side of the first impeller (2) and one side of the second impeller (9).
The beneficial effects of adopting above-mentioned scheme are: the motor (16) is used for providing power for the first impeller (2) and the second impeller (9), so that the first impeller (2) and the second impeller (9) rotate at a high speed to generate negative pressure, and the power support is provided for air circulation of the whole shell (6).
The utility model has been applied in production, especially in the heat exchange station with bad working environment and moist air, the effect is very remarkable, the service life of the equipment is greatly prolonged, the temperature and humidity in the shell (6) and the working environment of the internal equipment are effectively improved, thereby improving the safety and stability of the electronic components in the shell (6).
Description of the drawings:
FIG. 1 is a schematic diagram of a main sectional structure of a control cabinet of a programmable logic controller of a heat exchange station according to the present utility model;
fig. 2 is an enlarged schematic diagram of a first impeller structure in fig. 1 of a control cabinet of a programmable logic controller of a heat exchange station provided by the utility model;
FIG. 3 is a schematic diagram of a side sectional structure of a control cabinet of a programmable logic controller of a heat exchange station according to the present utility model;
fig. 4 is a schematic diagram of a front view structure of a control cabinet of a programmable logic controller of a heat exchange station.
The specific embodiment is as follows:
as shown in fig. 1, a control cabinet for a programmable logic controller of a heat exchange station comprises a base 1, a shell 6 and a top plate 7, wherein a circulating ventilation groove 11 is formed in the base 1, a drying box 13 is installed in the circulating ventilation groove 11, a solid moisture absorbent 12 is arranged in the drying box 13, a shell 6 is installed on the upper surface of the base 1, through holes 15 are symmetrically formed in the lower portion of the shell 6, a first impeller 2 is installed in the through holes 15, a spindle of the first impeller 2 is connected with a motor 16, the through holes 15 correspond to the opening of the circulating ventilation groove 11, a movable door 18 is installed on one side of the shell 6, the top plate 7 is installed at the upper end of the shell 6, a ventilation chamber 8 is arranged in the top plate 7, the ventilation chamber 8 is located on the lower surface of the top plate 7, a second filter screen 17 is arranged at the opening of the ventilation chamber 8, second impellers 9 are installed in the ventilation chamber 8, air supply pipes 4 are symmetrically connected to the two ends of the inner side of the ventilation chamber 8, the air supply pipes 4 penetrate through the inner wall of the shell 6, and one end of the air supply pipes 4 are equidistantly connected with a plurality of shunt pipes 5.
As shown in fig. 4, the lower surface of the base 1 is rectangular and is provided with supporting feet 14, a hidden handle 20 is arranged on one side of the movable door 18 and the drying box 13, which is away from the shell 6, and the drying box 13 is extractable.
As shown in fig. 3, the supporting feet 14 are installed on the lower surface of the illustrated base 1, rubber pads can be fixed below the supporting feet 14, so that the base 1 is prevented from directly rubbing against the ground, and further, the friction between the supporting feet 14 and the ground can be reduced, and a worker can conveniently move and carry the control cabinet, so that the labor intensity of the worker is effectively reduced.
As shown in fig. 1, the shutter 3 is provided at two sides of the illustrated casing 6, the first filter screen 10 is provided at the inner side of the shutter 3, the device can automatically dissipate heat through air exchange between the inside and the outside of the casing 6 through the shutter 3, so that air in the casing 6 can be discharged, the second impeller 9 rotates at a high speed to generate negative pressure to suck moist air in the casing 6, the moist air passes through the circulating ventilation groove 11 and passes through the solid hygroscopic agent 12, the solid hygroscopic agent 12 can adsorb moisture in the air in the casing 6, thereby effectively improving the cooling and dehumidifying speed of the control cabinet, and meanwhile, external dust can be prevented from entering the casing 6 through the first filter screen 10, dust accumulation in the casing 6 is avoided, and the practicability of the control cabinet is greatly improved.
As shown in fig. 2, one sides of the first impeller 2 and the second impeller 9 are respectively provided with a motor 16, and the first impeller 2 and the second impeller 9 can be powered by the motors 16, so that the first impeller 2 and the second impeller 9 can rotate at a high speed to generate negative pressure, the first impeller 2 can drive air in the shell 6 to perform internal circulation drying, and the second impeller 9 can drive air in the ventilation chamber 8 to be sucked into the shell 6 to perform external circulation cooling. The built-in power supply is connected in the control cabinet, a switch is arranged on an outgoing line of the power supply, the start and stop of the motor 16 can be controlled, the second impeller 9 rotates at a high speed through the motor 16, negative pressure is generated in the ventilating chamber 8, external air can be conveyed into the air supply pipe 4, internal air of the air supply pipe 4 is uniformly conveyed into the shell 6 through the shunt pipe 5, the shunt pipe 5 blows the external air onto equipment in the shell 6, the equipment in the shell 6 is effectively cooled, meanwhile, the air in the shell 6 is circularly flowed through the first impeller 2 in the through hole 15, the air in the shell 6 enters the circulating ventilating groove 11, the moist air can be dried after passing through the solid moisture absorbent 12 in the drying box 13, the interior of the shell 6 can be effectively dried, and short-circuiting and damage of a controller and components in the shell 6 caused by the moist air are avoided.
Claims (4)
1. A heat exchange station programmable logic controller control cabinet is characterized in that: including base (1), casing (6) and roof (7), circulation ventilation groove (11) have been seted up to the inside of base (1), install dry box (13) in circulation ventilation groove (11), have solid moisture absorbent (12) in dry box (13), the last surface mounting casing (6) of base (1), casing (6) lower part symmetry is equipped with through-hole (15), install first impeller (2) in through-hole (15), motor (16) are connected to the main shaft of first impeller (2), through-hole (15) are corresponding with the opening part of circulation ventilation groove (11), movable door (18) are installed to one side of casing (6), roof (7) are installed to the upper end of casing (6), roof (7) inside is equipped with ventilation chamber (8), ventilation chamber (8) are located the lower surface of roof (7), and the opening part of ventilation chamber (8) is provided with second filter screen (17), the internally mounted second impeller (9) of ventilation chamber (8), inboard both ends symmetry of ventilation chamber (8) is connected with blast pipe (4), blast pipe (4) pass casing (6) inner wall, a plurality of shunt tubes (5) are connected to blast pipe (4).
2. A heat exchange station programmable logic controller control cabinet according to claim 1, characterized in that: the lower surface of the base (1) is rectangular and is provided with supporting feet (14), a hidden handle (20) is arranged on one side of the movable door (18) and the drying box (13) which is away from the shell (6), and the drying box (13) is extractable.
3. A heat exchange station programmable logic controller control cabinet according to claim 1, characterized in that: the shutter (3) is arranged on two sides of the shell (6), and a first filter screen (10) is arranged on the inner side of the shutter (3).
4. A heat exchange station programmable logic controller control cabinet according to claim 1, characterized in that: one side of the first impeller (2) and one side of the second impeller (9) are respectively provided with a motor (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417154.1U CN220210844U (en) | 2023-06-05 | 2023-06-05 | Control cabinet of programmable logic controller of heat exchange station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417154.1U CN220210844U (en) | 2023-06-05 | 2023-06-05 | Control cabinet of programmable logic controller of heat exchange station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220210844U true CN220210844U (en) | 2023-12-19 |
Family
ID=89138767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321417154.1U Active CN220210844U (en) | 2023-06-05 | 2023-06-05 | Control cabinet of programmable logic controller of heat exchange station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220210844U (en) |
-
2023
- 2023-06-05 CN CN202321417154.1U patent/CN220210844U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |