CN217007463U - Fresh-keeping equipment and safety device for same - Google Patents
Fresh-keeping equipment and safety device for same Download PDFInfo
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- CN217007463U CN217007463U CN202220243475.3U CN202220243475U CN217007463U CN 217007463 U CN217007463 U CN 217007463U CN 202220243475 U CN202220243475 U CN 202220243475U CN 217007463 U CN217007463 U CN 217007463U
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Abstract
The utility model relates to a fresh-keeping device, which comprises a cabin body and a high-voltage electric field generating device, wherein the high-voltage electric field generating device comprises at least one pair of electrodes arranged in the cabin body and used for generating an alternating high-voltage electric field, a storage space is formed between the electrodes, the fresh-keeping device also comprises a safety device, the safety device comprises an induction module, a cable and a current detection module, the induction module comprises an induction coil arranged on the inner side of the cabin body and connected with the cable, and the cable is connected with the current detection module. The utility model also relates to a safety device for the freshness-keeping device.
Description
Technical Field
The utility model relates to the technical field of preservation, in particular to preservation equipment and a safety device for the preservation equipment.
Background
Through cold chain logistics, people today are already able to purchase relatively fresh food in a relatively short time. When a common refrigerated truck transports food and other goods needing preservation in a long distance, the temperature in the container is kept at a lower temperature through the vehicle-mounted refrigerator so as to delay the process of spoilage of the goods. In the continuous development of the cold chain logistics industry, fresh-keeping modes such as air conditioning preservation, refrigeration humidification, refrigeration preservation and the like gradually appear, but researches find that the storage time is more than two days, the effects of refrigeration preservation and the like are poor, the preservation quality can be ensured through other additional technologies, and therefore the high-voltage electric field auxiliary fresh-keeping technology is gradually developed. On the basis of traditional refrigeration, alternating high voltage is applied to the freezing storage bin, and an electrostatic field environment is formed through voltage vibration, so that the food can be kept fresh for a longer time, and the technology can also be applied to low-temperature storage of flowers, plants, biological tissues and the like.
The high-voltage electric field assisted preservation technology is used on the refrigerated truck, and the safety problem of the high-voltage alternating electric field is considered. Besides ensuring the quality control of the anti-electromagnetic isolation reliability in the manufacturing and installation processes of the cabin, whether related power supply equipment is normal and safe to operate is monitored, however, alternating high voltage in the cabin usually reaches thousands of volts, which may cause instantaneous extremely high potential difference among parts of articles, article components, packaging materials and the like stored in the cabin, and if the space distance is close, discharge phenomena may occur, especially leakage discharge and short circuit phenomena may occur due to displacement of articles caused by movement and bumping in the transportation process of the cabin under the condition that the positions of the articles stored, taken and placed by the fresh-keeping articles are changed frequently and various variable factors such as moisture, salt and the like in the internal air are changed frequently. This situation may have dangerous consequences. When a high-voltage electric field is applied to work, people cannot enter the inner space, the working state of the power supply equipment cannot be monitored in time, and the existence of the instant discharge phenomenon cannot be detected, particularly, drivers cannot sense the instant discharge phenomenon in the transportation process.
SUMMERY OF THE UTILITY MODEL
In view of this, it is desirable to provide a freshness protection device and a safety arrangement for the freshness protection device.
The utility model provides a fresh-keeping equipment, including the cabin body, shielding layer and high-voltage electric field generating device, the shielding layer is located on each face of the internal side of cabin, high-voltage electric field generating device is including locating the at least a pair of electrode of the internal portion of cabin for produce the alternation high-voltage electric field, form storage space between the electrode, fresh-keeping equipment still includes safety device, safety device is including response module, cable and current detection module, the response module is including locating the internal side of cabin and the induction coil who is connected with the cable, the cable is connected with the current detection module.
Furtherly, the response module still includes sleeve pipe and mount pad, and the sleeve pipe rotationally connects on the mount pad and can stop in arbitrary angle, and mount pad fixed mounting is inboard in the cabin body, and induction coil wears to locate in the sleeve pipe to extend from the sleeve pipe both ends and be connected with the cable.
Further, the cabin body is internally provided with a plurality of induction coils and corresponding cables, each induction coil is distributed with a serial number, and the current detection module identifies each induction coil according to the serial number.
Furthermore, a shielding layer is further arranged on each surface of the inner side of the cabin body, and the mounting seat is mounted on the inner side of the shielding layer.
The utility model provides a safety device for fresh-keeping equipment, fresh-keeping equipment includes the cabin body, shielding layer and high-voltage electric field generating device, and on each face of the internal side of cabin was located to the shielding layer, if the cabin body itself had electric field shielding function, then with the shielding layer is regarded as same object, and high-voltage electric field generating device is including locating the inside at least a pair of electrode in the cabin for produce the reversal high-voltage electric field, form storage space between the electrode, safety device is including responding to module, cable and current detection module, responds to the module including locating the internal side of cabin and the induction coil who is connected with the cable, and the cable is connected with the current detection module.
Further, the induction module group still includes sleeve pipe and mount pad, and the sleeve pipe rotationally connects on the mount pad and can stop in arbitrary angle, mount pad fixed mounting in cabin body inboard, induction coil wears to locate in the sleeve pipe to extend and be connected with the cable from the sleeve pipe both ends.
Further, the cabin body is internally provided with a plurality of induction coils and corresponding cables, each induction coil is distributed with a serial number, and the current detection module identifies each induction coil according to the serial number.
Furthermore, a shielding layer is further arranged on each surface of the inner side of the cabin body, and the mounting seat is mounted on the inner side of the shielding layer.
According to the preservation equipment and the safety device for the preservation equipment, whether safety problems such as abnormal discharge, short circuit and overcurrent exist in a cabin body or not is timely found by means of detection of induced current change of the induction coil by the current detection module; by arranging a plurality of induction coils and distributing identity numbers to each induction coil, the detection space range can be enlarged, and abnormal positions can be positioned in time to accelerate the problem troubleshooting speed; through the arrangement of the hinge of the fixed seat and the sleeve, the angle of the induction coil can be conveniently adjusted, so that not only can the collision with goods in the cabin be avoided, but also the optimal angle for cutting magnetic lines of force can be adjusted, and the induction is more sensitive and has higher precision; the current detection module is used for detecting the change of the induced current of the induction coil, so that whether the power supply equipment is in a normal working state or not can be found in time, and the abnormal condition can be found in time.
Drawings
FIG. 1 is a schematic view of a crisper apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic view of a sensing module for the freshness-preserving apparatus of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, a fresh-keeping apparatus 100 according to an embodiment of the present invention includes a cabin 10, a shielding layer 20, a protective layer 25, a high-voltage electric field generating device (not shown), and a safety device 40. The shielding layer 20 covers each face 12 of the cabin 10.
In this embodiment, the cabin 10 is a six-sided rectangular freight container, and the six surfaces 12 of the cabin are covered with shielding layers 20, so as to reduce or prevent the adverse effects of the high-voltage electric field radiation of the cabin 10 on the external environment, equipment, and drivers and passengers of the cabin 10.
The high-voltage electric field generating device is used for generating a high-voltage electric field, and comprises at least one pair of electrodes 30, a power supply and a voltage boosting module (not shown), wherein the pair of electrodes 30 are oppositely arranged on two opposite surfaces 12 on the inner side of the cabin 10, a storage space for placing preserved articles (such as fruits, vegetables, meat, flower plants, biological tissues and the like) is formed between the pair of electrodes 30, and specifically, the pair of electrodes 30 can be oppositely arranged up and down, left and right or front and back. The protective layer 25 is disposed on a side of the shielding layer 20 facing the interior of the cabin 10, and is used for isolating the shielding layer 20 from the storage space inside the cabin 10 and protecting the storage space.
Referring to fig. 2, the safety device 40 includes a sensing module 42, a cable 44, and a current detecting module 46.
The induction module 42 is disposed inside the cabin 10 and includes an induction coil 420, a sleeve 422 and a mounting seat 424. The induction coil 420 is a conductive coil that can be induced by a magnetic field, and can be made of a metal wire or a good conductor material, and the plane of the induction coil is penetrated by magnetic lines. The sleeve 422 is sleeved around the induction coil 420, the sleeve 422 may be U-shaped, C-shaped or other shapes with one side open, two ends of the opening are connected with the mounting seat 424, and the mounting seat 424 is fixed on the protection layer 25. In one embodiment, protective layer 25 may not be provided separately, and mount 424 is mounted directly inside shield 20. In another embodiment, the enclosure 10 is made of metal, the shielding layer 20 can be omitted, and the mounting seat 424 is directly mounted on the inner side of the enclosure 10.
The sleeve 422 is installed on the installation seat 424, a hinge (not shown) is arranged on the installation seat 424, the sleeve 422 and the induction coil 420 penetrating the sleeve 422 can rotate around the hinge axis together, so that the opposite surface 12 can rotate and can stay at any angle, thus not only avoiding goods in the cabin 10, but also being not influenced by the surface shape of the shielding layer 20, and conveniently adjusting the induction coil 420 to have better induction effect with magnetic lines of force. The quantity of induction coil 420 is not limited to one, can be in cabin body 10 many places position dispersion arrange a plurality ofly, every induction coil 420 has an identity number, and correspond rather than the interior mounted position of cabin body 10, current detection module 46 can carry out the value monitoring to the current amplitude change that induction coil 420 sensed everywhere, so can more accurately, detect the change of electromagnetic environment in the cabin body 10 fast, can fix a position the abnormal point promptly when discovering unusually and be convenient for dangerous investigation and maintenance. The induction coil 420 is insulated from the shield layer 20.
The cable 44 passes through the shielding layer 20 and is insulated from the shielding layer 20, and is respectively connected to the induction coil 420 and the current detection module 46 disposed outside the cabin 10 to form an induction current loop. The cable 44 may be a shielded cable.
The current detection module 46 has functions of comparing and reporting alarm signals, and can test the current amplitude of the induction coil 420. When the high voltage electric field generating devices are applied with alternating high voltage (or pulse high voltage), the alternating electric field in the cabin 10 generates a corresponding alternating magnetic field, so that the induction coil 420 in the cabin 10 generates an induced current, and the induced current generated by the induction coil 420 is transmitted to the current detection module 46 outside the cabin 10 through the cable 44. The alternating electric field and the induced current have the same change rule. If the electric field variation law is stable (in a steady state), the induced current variation law is also stable, and if the electric field environment generates an electric burst phenomenon, the electric field situation will change correspondingly, the induced current of the induction coil 420 also changes correspondingly, and the induced current of the induction coil 420 which is closer to the discharge position changes more obviously.
After the alternating high voltage of the high voltage electric field generator in the cabin 10 is started or the cabin door of the cabin 10 is opened and closed every time, the cabin door enters a stable state to be considered as a normal working state, at this time, the induced current values of at least one period of each of the plurality of induction coils 420 are recorded, and compared with the induced current amplitude during the later working period. Under normal conditions, the variation cycle characteristics of the induced current are consistent with those of the high-voltage electric field in the cabin 10, and are in a stable and regular state as the alternating high-voltage electric field. When an abnormal condition occurs, a sudden arc discharge occurs near the induction coil 420 inside the cabin 10, or an abnormal short-circuit current occurs locally, or an abnormal voltage occurs in the high-voltage electric field generating device, the magnetic flux passing through the induction coil 420 changes, and the induced current changes accordingly, and the induced current of the abnormal change is transmitted to the current detecting system 46 through the cable 44 and is detected by the current detecting system. When the difference of the amplitude of the induced current (including the instantaneous mutation difference) of one or more induction coils 420 exceeds a preset threshold, the current detection module 46 sends out an alarm signal, and simultaneously gives out the number of the induction coil 420 where the abnormal induced current signal is located, so as to indicate the position of an abnormal point, so that drivers and conductors can find the abnormality of the electromagnetic environment in the cabin 10 in time, immediately perform safety inspection and emergency treatment, and in addition, the alarm signal can be transmitted to a background monitoring center through a communication network and other modes, so as to further investigate and treat vehicles with potential safety hazards.
According to the preservation equipment and the safety device for the preservation equipment, whether safety problems such as abnormal discharge, short circuit, overcurrent and the like exist in the cabin body or not is found in time by means of detection of the induced current change of the induction coil by the current detection module; by arranging a plurality of induction coils and distributing identity numbers to each induction coil, the detection space range can be enlarged, and abnormal positions can be positioned in time to accelerate the problem troubleshooting speed; through the arrangement of the hinge of the fixed seat and the sleeve, the angle of the induction coil can be conveniently adjusted, so that not only can the collision with goods in the cabin be avoided, but also the optimal angle for cutting magnetic lines of force can be adjusted, and the induction is more sensitive and has higher precision; the current detection module is used for detecting the change of the induced current of the induction coil, so that whether the power supply equipment is in a normal working state or not can be found in time, and the abnormal condition can be found in time.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a fresh-keeping equipment, includes the cabin body and high-voltage electric field generating device, high-voltage electric field generating device is including locating the inside at least a pair of electrode of the cabin body for produce the alternating high-voltage electric field, form storage space, its characterized in that between the electrode: the fresh-keeping equipment further comprises a safety device, the safety device comprises an induction module, a cable and a current detection module, the induction module comprises an induction coil which is arranged on the inner side of the cabin and connected with the cable, and the cable is connected with the current detection module.
2. The freshness-preserving apparatus as claimed in claim 1, wherein: the induction module group still includes sleeve pipe and mount pad, the sleeve pipe rotationally connect in can stop in arbitrary angle on the mount pad, mount pad fixed mounting in cabin body inboard, induction coil wears to locate in the sleeve pipe, and follow the sleeve pipe both ends extend and with the cable is connected.
3. The freshness-preserving apparatus as claimed in claim 1, wherein: the cabin body is internally provided with a plurality of induction coils and corresponding cables, each induction coil is distributed with a number, and the current detection module identifies each induction coil according to the number.
4. The freshness-preserving apparatus as claimed in claim 2, wherein: the cabin body is characterized in that shielding layers are further arranged on all the inner sides of the cabin body, and the mounting seats are mounted on the inner sides of the shielding layers.
5. The utility model provides a safety device for fresh-keeping equipment, fresh-keeping equipment includes the cabin body and high-voltage electric field generating device, high-voltage electric field generating device is including locating the inside at least a pair of electrode in the cabin body for produce the high-voltage electric field that alternates, form storage space, its characterized in that between the electrode: the safety device comprises an induction module, a cable and a current detection module, wherein the induction module comprises an induction coil which is arranged on the inner side of the cabin and connected with the cable, and the cable is connected with the current detection module.
6. The safety device for freshness keeping equipment according to claim 5, wherein: the induction module group still includes sleeve pipe and mount pad, the sleeve pipe rotationally connect in can stop in arbitrary angle on the mount pad, mount pad fixed mounting in cabin body inboard, induction coil wears to locate in the sleeve pipe, and follow the sleeve pipe both ends extend and with the cable is connected.
7. The safety device for freshness keeping equipment according to claim 5, wherein: the cabin body is internally provided with a plurality of induction coils and corresponding cables, each induction coil is distributed with a number, and the current detection module identifies each induction coil according to the number.
8. The safety device for freshness keeping equipment according to claim 6, wherein: and shielding layers are further arranged on the inner sides of the cabin, and the mounting seats are mounted on the inner sides of the shielding layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220243475.3U CN217007463U (en) | 2022-01-29 | 2022-01-29 | Fresh-keeping equipment and safety device for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220243475.3U CN217007463U (en) | 2022-01-29 | 2022-01-29 | Fresh-keeping equipment and safety device for same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007463U true CN217007463U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220243475.3U Active CN217007463U (en) | 2022-01-29 | 2022-01-29 | Fresh-keeping equipment and safety device for same |
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| Country | Link |
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| CN (1) | CN217007463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487569A (en) * | 2022-01-29 | 2022-05-13 | 奥姆乐科技(上海)有限公司 | A kind of fresh-keeping equipment and safety device and safety method for the fresh-keeping equipment |
-
2022
- 2022-01-29 CN CN202220243475.3U patent/CN217007463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114487569A (en) * | 2022-01-29 | 2022-05-13 | 奥姆乐科技(上海)有限公司 | A kind of fresh-keeping equipment and safety device and safety method for the fresh-keeping equipment |
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