CN219713621U - Non-contact magnetic induction fan access door interlocking device of air conditioner box - Google Patents
Non-contact magnetic induction fan access door interlocking device of air conditioner box Download PDFInfo
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- CN219713621U CN219713621U CN202320306507.4U CN202320306507U CN219713621U CN 219713621 U CN219713621 U CN 219713621U CN 202320306507 U CN202320306507 U CN 202320306507U CN 219713621 U CN219713621 U CN 219713621U
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- access door
- fan access
- interlocking device
- magnetic switch
- magnetic induction
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- 230000006698 induction Effects 0.000 title claims abstract description 29
- 230000008054 signal transmission Effects 0.000 claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims description 35
- 230000000007 visual effect Effects 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 244000061176 Nicotiana tabacum Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to the technical field of safety interlocking protection, and particularly discloses a non-contact magnetic induction fan access door interlocking device of an air conditioner box, which comprises a box body part and a magnetic induction fan access door interlocking part, wherein the magnetic induction fan access door interlocking part also comprises a signal transmission line, a magnetic switch indicator lamp, a magnetic switch, a data line and a safety interlocking device, the safety interlocking device signal and an air conditioner control program realize interlocking joint control, and realize the automatic shutdown function of a fan and output alarm after a cabinet door is opened.
Description
Technical Field
The utility model relates to the technical field of safety interlocking protection, in particular to an air conditioner box non-contact type magnetic induction fan access door interlocking device.
Background
The temperature, humidity and cleanliness of indoor air are required to be strictly controlled in a tobacco plant, and therefore, a large number of indoor air conditioning units are applied to ensure constant temperature, humidity and cleanliness of indoor air. After the air conditioning unit operates for a period of time, in order to replace and overhaul, main parts inside the air conditioning unit are cleaned, a fan access door is required to be arranged to facilitate the ingress and egress of personnel and parts, the fan access door is required to achieve the basic performances of a common panel of the air conditioning unit, and the air conditioning unit must be smoothly opened and closed, so that the safety production is always a requirement of important attention of an industrial factory building, and in order to avoid misoperation and other safety accidents, according to the important requirement of the current safety standard, the air conditioning system is strictly forbidden to open the fan access door in the operation process and must enter a cabinet when the air conditioning fan stops operating. However, the existing air feeder and return air blower cabinet doors of the factory building air conditioning unit have no safety interlocking function, after the cabinet doors are opened, the air feeder cannot automatically stop, hidden danger of being damaged by the belt clamps of the air feeder exists, and production safety requirements are not met.
Although it has been found that patent documents similar to solving the above technical problems are disclosed: for example, CN200510083500.7, the technical problems to be solved in the indoor unit of floor type air conditioner and the method for controlling the power-off of the door opening of the indoor unit are: in some cases, the user unscrews the screw of the air inlet to clean under the condition of forgetting to cut off the power supply, but all electric parts in the indoor unit are still in normal operation, for example, the vortex machine is sucking air into the box body, the metal shell around the vortex machine is electrified, and the like, so that the occurrence of brewing accidents is very dangerous, and therefore, how to solve the problems is a key subject of research of the technicians in the field. The technical scheme of installing the safety interlocking device for the air conditioner fan cabinet door applied to industrial plants is good in using effect, low in failure rate, safe and reliable.
Disclosure of Invention
Aiming at the technical problems, the utility model provides the non-contact magnetic induction fan access door interlocking device of the air conditioner box, which is safe, reliable and good in use effect.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a non-contact magnetic induction fan access door interlocking device of an air conditioning box comprises a box body part and a magnetic induction fan access door interlocking part; the box body part comprises an air conditioner box body, a fan access door, a rotary buckle, an observation window and a fan access door handle; the magnetic induction fan access door interlocking part comprises a signal transmission line, a magnetic switch indicator lamp, a magnetic switch, a data line and a safety interlocking device, wherein the magnetic switch further comprises a box magnetic switch and a fan access door magnetic switch.
Preferably, the signal sent by the magnetic switch of the box body is connected to the safety interlocking device through a data line, and the safety interlocking device is connected to the upper monitoring device through a signal transmission line after receiving the signal to realize the monitoring operation.
Preferably, the box magnetic switch is located on the surface of the air conditioner box and is attached to the butt joint position of the air conditioner box and the fan access door.
Preferably, the magnetic switch indicator lamp is located above the magnetic switch of the box body.
Preferably, the fan access door magnetic switch is located at the upper left of the fan access door and is attached to the box body magnetic switch together.
Preferably, the safety interlocking device is positioned above the air conditioner box body, a PLC controller is arranged in the safety interlocking device to monitor the action of a fan access door in time, and cross fixing nails are arranged at four opposite angles of the safety interlocking device to fix the safety interlocking device.
Preferably, the selector switch is located above the safety interlock device and the selector switch has an operational mode and a maintenance mode.
Preferably, an audible and visual alarm is arranged on the safety interlocking device, and the audible and visual alarm is arranged right below the selection switch.
Preferably, a signal transmission line is arranged between the safety interlocking device and the box magnetic switch and used for transmitting magnetic signals.
Preferably, the upper monitoring device and the safety interlocking device are connected through a data line to transmit data signals, and the signals of the safety interlocking device and the air conditioner control program realize interlocking joint control.
Preferably, the non-contact magnetic induction fan access door interlocking device of the air conditioning box monitors at the upper position and/or monitors the state of the fan access door in real time through the on-site touch screen.
Compared with the prior art, the utility model has the beneficial effects that:
1. the action monitoring of the fan access door is realized by utilizing the magnetic induction switching technology, and the operation safety and stability of the air conditioning system are improved.
2. The PLC is utilized to monitor the action of the fan access door, the upper position is fed back in real time, the alarm is given to the energy management operator, and the potential safety quality hazards caused by equipment defects are eliminated.
3. The safety interlocking device signals and the air conditioner control program realize interlocking joint control, realize the automatic shutdown function of the fan and alarm after the cabinet door is opened, and eliminate potential safety hazards.
4. An audible and visual alarm is arranged, so that audible and visual prompt alarm is carried out when an illegal operation of the fan access door is carried out, the efficacy is improved, and the labor intensity of operators is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is an air conditioning case non-contact induction fan access door interlock of the present utility model;
fig. 2 is a schematic diagram of the combined structure of the non-contact magnetic induction fan access door interlocking device.
FIG. 3 is a schematic view of the structure of the safety interlock device of the present utility model;
FIG. 4 is a schematic diagram of the structure of the magnetic switch of the present utility model;
FIG. 5 is a logic control diagram of an air conditioner select switch;
a, an interlocking part of an access door of the magnetic induction fan; 101 air conditioning box, 102 fan access door, 103 rotary buckle, 104 observation window, 105 fan access door handle; a 201 signal transmission line, a 202 magnetic switch indicator lamp, a 203 box magnetic switch, a 204 fan access door magnetic switch and a 205 fixing hole; 301 data line, 302 safety interlock, 303 cross staple, 304 mode of operation, 305 select switch, 306 audible and visual alarm, 307 maintenance mode.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "inner", "front", "rear", "left", "right", etc., are based on directions or positional relationships shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, a non-contact magnetic induction fan access door interlocking device of an air conditioning box comprises a box body part and a magnetic induction fan access door interlocking part; the box body part comprises an air conditioning box body 101 and a fan access door 102, wherein an observation window 104 is arranged in the middle of the fan access door 102, the observation window 104 is transparent round glass, the working state of the fan can be observed through the observation window 104, and secondly, a fan access door handle 105 is further arranged on one side of the fan access door 102, and the fan access door handle 105 is used for opening the fan access door 102; the fan access door 102 is connected with the air-conditioning box 101 through the rotating buckle 103, and the air-conditioning box 101 can be opened through the fan access door handle 105 to enter the air-conditioning box for maintenance and other works.
Further, the magnetic switch further comprises a box magnetic switch 203 and a fan access door magnetic switch 204, wherein the box magnetic switch 203 is positioned at one side of the air-conditioning box 101, the box magnetic switch 203 is fixed at the butt joint position of the air-conditioning box 101 and the fan access door 102, in addition, a fixing hole 205 is formed on the box magnetic switch 203, and the box magnetic switch 203 can be fixed on the air-conditioning box 101 through a screw by the fixing hole 205; next, in order to enhance the fixing effect of the case magnetic switch 203, the case magnetic switch 203 may be fixed to the upper surface of the air conditioning case 101 by means of adhesion. The magnetic switch indicator lamp 202 is arranged on the magnetic switch 203 of the box body, the magnetic switch indicator lamp 202 is arranged above the magnetic switch 203 of the box body, and the magnetic switch indicator lamp 202 is in a normally-on state and a normally-off state. When the fan access door 102 is closed, the magnetic switch is turned on, and the magnetic switch indicator light 202 on the housing magnetic switch 203 is turned on.
In addition, there is fan access door magnetic switch 204 above fan access door 102, be located the upper left side of fan access door 102, there is fixed orifices 205 above fan access door magnetic switch 204, can fix fan access door magnetic switch 204 on fan access door 102 through the form of pasting, in order to improve fan access door magnetic switch 204's fixed effect, can pass through the fixed orifices 205 fan access door magnetic switch 204 and pass through the screw fixation on fan access door 102, fan access door magnetic switch 204 and box magnetic switch 203 symmetrical mode laminate and tighten.
The safety interlocking device 302 is located above the air conditioning cabinet 101, a PLC controller is arranged in the safety interlocking device 302, so that the action of the fan access door 102 can be monitored in time, and in addition, in order to ensure the fixability of the safety interlocking device 302, cross fixing nails 303 are arranged at four opposite angles of the safety interlocking device 302 to fix the safety interlocking device. The safety interlock device 302 is further provided with a selection switch 305 and an audible and visual alarm 306, the selection switch 305 is located above the safety interlock device 302, the audible and visual alarm 306 is located below the safety interlock device 302, and the audible and visual alarm 306 is located under the selection switch 305. In addition, the selection switch 305 has two operation modes, namely an operation mode 304 and a maintenance mode 307, a field operator can rotate the selection switch, and switch between the operation mode 304 and the maintenance mode 307, when the field operator selects the switch 305 to be in the maintenance mode 307, the air conditioner is stopped immediately regardless of whether the fan access door 102 is opened or closed, and the air conditioner cannot be started, and the maintenance mode is mainly used for operating maintenance personnel to enter a fan room for a long time. The selection switch 305 is in the operation mode 304, the fan access door 102 is opened, the magnetic switch indicator light 202 is turned off, and the air conditioner is stopped immediately.
The audible and visual alarm 306 is used for warning the on-site operator, when the on-site unrelated person illegally operates the fan access door 102, the audible and visual alarm is given, and in addition, the selection switch 305 is in the maintenance mode 307 or the fan access door 102 is opened in the operation mode 304, the audible and visual alarm 306 can give out a whistle warning sound.
A signal transmission line 201 is arranged between the safety interlocking device 302 and the box magnetic switch 203 and is used for transmitting magnetic signals, the signals sent by the box magnetic switch 203 are connected to the safety interlocking device 302 through a data line 301, and the safety interlocking device 302 is connected to an upper monitoring device through the signal transmission line 201 after receiving the signals to realize monitoring operation. The upper monitoring and the safety interlocking device 302 are connected through the data line 301, data signals are transmitted, the interlocking control is realized by the signals of the safety interlocking device 302 and the air conditioner control program, and the upper monitoring and the on-site touch screen can monitor the state of the fan access door 102 in real time.
1. When the utility model is used, after the fan access door 102 is closed, the magnetic switch is turned on, and the green magnetic switch indicator lamp 202 at the upper end of the box magnetic switch 203 is always on. When the field operator selects the selection switch 305 to the maintenance mode 307, the air conditioning unit is stopped immediately regardless of whether the fan access door 102 is opened or closed, and the audible and visual alarm 306 sounds a warning sound of a scroll. The maintenance mode 307 is mainly used when an operator enters the wind turbine room for a long time.
2. When the on-site operator selects the selection switch 305 to the operation mode 304, after the on-site operator turns on the fan access door 102, the green magnetic switch indicator 202 at the upper end of the box magnetic switch 203 is turned off, the audible and visual alarm 306 can give out a spiral warning sound action, and the air conditioner unit can stop. If the on-site operator needs to restart the air conditioning unit, the fan access door 102 is closed, the green magnetic switch indicator lamp 202 at the upper end of the observing box magnetic switch 203 is turned on, and the starting operation is performed again according to the starting flow.
Claims (10)
1. An air conditioner non-contact magnetic induction fan access door interlock, its characterized in that: the box body part comprises an air conditioner box body (101), a fan access door (102), a rotary buckle (103), an observation window (104) and a fan access door handle (105);
the magnetic induction fan access door interlocking part comprises a signal transmission line (201), a magnetic switch indicator lamp (202), a magnetic switch, a data line (301) and a safety interlocking device (302), wherein the magnetic switch further comprises a box magnetic switch (203) and a fan access door magnetic switch (204), signals sent by the box magnetic switch (203) are connected to the safety interlocking device (302) through the data line (301), and the safety interlocking device (302) is connected to an upper monitoring through the signal transmission line (201) after receiving the signals to realize monitoring operation.
2. The air conditioning case non-contact magnetic induction fan access door interlock of claim 1 wherein: the box magnetic switch (203) is positioned on the surface of the air conditioner box (101) and is attached to the butt joint position of the air conditioner box (101) and the fan access door (102).
3. The air conditioning case non-contact magnetic induction fan access door interlock of claim 2 wherein: the magnetic switch indicator lamp (202) is positioned above the magnetic switch (203) of the box body.
4. The air conditioning case non-contact magnetic induction fan access door interlock of claim 1 wherein: the fan access door magnetic switch (204) is positioned at the upper left part of the fan access door (102) and is attached and tightly matched with the box body magnetic switch (203).
5. The air conditioning case non-contact magnetic induction fan access door interlock of claim 1 wherein: the safety interlocking device (302) is located above the air conditioner box body (101), a PLC controller is arranged in the safety interlocking device (302) and used for timely monitoring the action of a fan access door, and cross fixing nails (303) are arranged at four opposite angles of the safety interlocking device (302) to fix the safety interlocking device.
6. The air conditioning case non-contact magnetic induction fan access door interlock of claim 5 wherein: a selector switch (305) is positioned above the safety interlock device (302) and has an operational mode (304) and a maintenance mode (307).
7. The air conditioning case non-contact magnetic induction fan access door interlock of claim 5 wherein: an audible and visual alarm (306) is arranged on the safety interlocking device (302), and the audible and visual alarm (306) is arranged under the selection switch (305).
8. The air conditioning case non-contact magnetic induction fan access door interlock of claim 1 wherein: a signal transmission line (201) is arranged between the safety interlocking device (302) and the box magnetic switch (203).
9. The air conditioning case non-contact magnetic induction fan access door interlock of claim 1 wherein: the upper monitoring and safety interlocking device (302) is connected through a data line (301) to transmit data signals, and the signals of the safety interlocking device (302) and an air conditioner control program realize interlocking joint control.
10. An air conditioning case non-contact magnetic induction fan access door interlock as claimed in any one of claims 1 to 9 wherein: the non-contact magnetic induction fan access door interlocking device of the air conditioning box monitors the state of the fan access door in an upper position and/or monitors the state of the fan access door in real time through a field touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306507.4U CN219713621U (en) | 2023-02-24 | 2023-02-24 | Non-contact magnetic induction fan access door interlocking device of air conditioner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320306507.4U CN219713621U (en) | 2023-02-24 | 2023-02-24 | Non-contact magnetic induction fan access door interlocking device of air conditioner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219713621U true CN219713621U (en) | 2023-09-19 |
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ID=88001016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320306507.4U Active CN219713621U (en) | 2023-02-24 | 2023-02-24 | Non-contact magnetic induction fan access door interlocking device of air conditioner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219713621U (en) |
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2023
- 2023-02-24 CN CN202320306507.4U patent/CN219713621U/en active Active
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