CN107972957B - Magnetic induction medicine box - Google Patents
Magnetic induction medicine box Download PDFInfo
- Publication number
- CN107972957B CN107972957B CN201610921340.7A CN201610921340A CN107972957B CN 107972957 B CN107972957 B CN 107972957B CN 201610921340 A CN201610921340 A CN 201610921340A CN 107972957 B CN107972957 B CN 107972957B
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- Prior art keywords
- magnetic field
- medicine
- magnetic
- medicine box
- field sensor
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/04—Partitions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
Abstract
The invention provides a medicine box with a medicine sensing device, which is provided with a partition plate horizontally arranged, wherein the partition plate divides the medicine box into an upper space and a lower space, a storage area is arranged on the upper surface, a device area is arranged on the lower surface, an elastomer is arranged between the partition plate and a medicine box bottom plate, and the elastomer stretches in the vertical direction when the partition plate moves in the vertical direction. The equipment area is provided with a permanent magnet and a magnetic field sensor, and the magnetic field sensor is used for sensing a magnetic field generated by the permanent magnet and transmitting a sensed magnetic field intensity signal to the judging unit. The separator moves up and down to enable the magnetic field intensity sensed by the magnetic field sensor to change, and the magnetic field sensor converts the detected change of the magnetic field into an output signal for judging whether the medicine is taken out of or put into the storage area. The medicine sensing device based on magnetic induction overcomes the defects of medicine boxes based on piezoelectric or photoelectric sensors, and has the advantages of small volume and low energy consumption.
Description
Technical Field
The invention relates to the technical field of automatic medicine management systems in hospitals, in particular to a medicine box of a medicine management system.
Background
In the field of medicine management technology, a manager is generally required to detect whether a medicine is put in a medicine box or whether a medicine in a medicine box is taken out, and therefore, a technician sets a sensor in the medicine box to sense the existence of the medicine. For example, prior applications filed previously by the company under application numbers CN201210054026 and CN20121005399 disclose a medicine cartridge using an optical sensor, respectively, and prior application under application number CN201210054023 discloses a medicine bottle access unit using a piezoelectric or photoelectric sensor. In the prior art, a medicine bottle detection unit in a medicine box generally adopts a piezoelectric sensor or a photoelectric sensor, because the volumes of the piezoelectric sensor and the photoelectric sensor are smaller, so that the sensor unit of the medicine box does not occupy space, and the medicine box can leave more space for storing medicine bottles. But both piezoelectric and photoelectric sensors have their own disadvantages. For example, for the accuracy of detection, a piezoelectric sensor is generally disposed on the upper surface of the bottom plate of the medicine box, so that after the medicine bottle is placed, the medicine bottle is directly pressed against the piezoelectric sensor, and thus the piezoelectric sensor sends an electrical signal with a changed state to the control unit, the control unit determines that the medicine bottle has been placed according to the electrical signal, and the same holds true for the photoelectric sensor, which is generally disposed on the upper surface or the side wall of the bottom plate of the medicine box, and after the medicine bottle is placed, the light emitted by the photoelectric sensor is blocked by the medicine bottle, thereby sending an electrical signal with a changed state to the control unit. However, the potential hazards exist in the process of arranging the piezoelectric sensor or the photoelectric sensor in the medicine box, and firstly, in order to transmit an electric signal to a control unit outside the medicine box, the sensor arranged on the inner surface of the medicine box is provided with small holes for leading out a signal wire or a power wire on the bottom plate or the side wall of the medicine box, when the medicine bottle is damaged or toppled over, medicines in the medicine bottle easily damage the sensor unit on the inner surface of the medicine box, and the medicine liquid can flow out through the small holes and drop onto a circuit board at the lower part of the medicine box to corrode the control circuit, so that the whole medicine box is scrapped; secondly, the photoelectric sensor needs to emit detection light, the sensitivity of the photoelectric sensor to the transparent glass medicine bottle is poor, part of medicines must be preserved in a dark place, and the detection light (including visible light and invisible light) emitted by the photoelectric sensor easily causes the invalidation of the medicines.
Electromagnetic sensors, although theoretically useful for detecting the displacement and presence of an object, have generally been considered unsuitable in the field of detecting a drug in a controllable drug cassette because electromagnetic sensors are of a maximum size compared to other types of sensors and would occupy a significant amount of the space of the drug cassette if used for detecting the storage of the drug. Secondly, electromagnetic sensors, if they use electromagnets to generate electromagnetic fields, consume a lot of power, which inevitably causes an increase in the temperature of the cartridge, which is extremely disadvantageous for medicines requiring low-temperature preservation, as compared with other sensors. Third, technicians are generally concerned about adverse effects of magnetic fields on drugs, and in the last 90 th century, some researchers in the united states found that there was a low level of electromagnetic fields in residential homes that at least reduced or eliminated a widely used drug effect in test tubes, for example, researchers found that in the laboratory, when the anticancer drug tamoxifen was exposed to such fields, it lost the ability to terminate cancer cell proliferation, and the united states public health agency reported that these findings increased this concern at the conference held by washington, and thus electromagnetic sensors were considered unsuitable in the field of sensor technology to detect the presence of drugs, and this technical prejudice existed today.
Disclosure of Invention
The invention provides a medicine box with a medicine sensing device, which is provided with a partition plate horizontally arranged, wherein the partition plate divides the medicine box into an upper space and a lower space, a storage area is arranged on the upper surface, a device area is arranged on the lower surface, an elastomer is arranged between the partition plate and a medicine box bottom plate, and the elastomer stretches in the vertical direction when the partition plate moves in the vertical direction. The medicine box comprises a medicine box body, wherein a partition plate is arranged on the bottom of the medicine box body, a permanent magnet is arranged on the lower surface of the partition plate, a magnetic field sensor is arranged at the bottom of the medicine box body and used for sensing the magnetic field intensity generated by the permanent magnet, the partition plate moves up and down to enable the magnetic field intensity sensed by the magnetic field sensor to change, and the magnetic field sensor converts the detected change of the magnetic field into an output signal which is used for judging whether medicines are taken out or put into the storage area. When the medicine box is closed, the medicine box does not have a channel communicated with the outside, so that the medicine box is completely sealed.
The magnetic field sensor transmits the sensed magnetic field intensity signal to a judging unit which judges whether the medicine is taken out or put into the storage area according to the change of the magnetic field intensity.
Further, the separator has a magnetic shielding material layer; alternatively, the separator is made of a magnetic shielding material. Preferably, the magnetic shielding material is a material with high magnetic permeability, and the permanent magnet is preferably a rare earth permanent magnet material.
Further, the elastic body is a spring, a metal elastic sheet, an elastic rubber body or a polyurethane plastic body.
The invention also provides a medicine management system with the magnetic induction medicine box, and the medicine management system is provided with a judging unit which judges whether medicines are taken out or put into the storage area according to the change of the magnetic field intensity sensed by the magnetic field sensor.
The medicine induction device based on magnetic induction overcomes the defects of medicine boxes based on piezoelectric or photoelectric sensors, has the advantages of small volume and low energy consumption, and overcomes the technical prejudice that people are not suitable for medicine inventory detection equipment for the magnetic induction device.
Drawings
FIG. 1 is a cross-sectional view of a magnetic induction cartridge (not filled with a drug vial) of the present invention;
FIG. 2 is a cross-sectional view of a magnetic induction kit of the present invention (after a vial);
wherein, medicine box 1, magnetic sheet 2, magnetic field sensor 3, baffle 4, spring 5, circuit board 6, medicine bottle 7.
Detailed Description
The technical scheme of the invention is further described below with reference to specific embodiments.
As shown in fig. 1, in one embodiment, the cartridge 1 of the present invention has a horizontally disposed partition 4 therein, which divides the cartridge into an upper storage area and a lower device area, which are relatively independent of each other in space. The cartridge is externally provided with a magnetic field sensor 3, preferably on the outer surface of the cartridge bottom or on the outer surface. The device area is provided with a permanent magnet for generating a magnetic field for induction by the magnetic field sensor, preferably a magnet sheet 2, which is advantageous for reducing the volume required by the device area and increasing the volume of the storage area. The position of the magnetic sheet is set such that the magnetic field strength sensed by the magnetic field sensor changes correspondingly when the separator moves up and down, and preferably the magnetic sheet is disposed on the lower surface of the separator. An elastic element is arranged between the partition board and the inner surface of the bottom of the medicine box, and the elastic element stretches in the vertical direction when the partition board moves up and down in the vertical direction, preferably, the elastic element is a spring 5 which is vertically arranged, the upper end of the spring is arranged on the lower surface of the magnetic sheet, and the lower end of the spring is arranged on the inner surface of the bottom of the medicine box. In other embodiments, the magnetic sheet may be disposed on the elastic member.
The magnetic field sensor on the outer surface of the bottom of the medicine box is used for sensing the magnetic field intensity generated by the magnetic sheet and transmitting the detected magnetic field intensity signal to the judging unit. As shown in fig. 2, when the medicine bottle 7 is placed in the storage area of the upper half of the medicine box, the partition board 4 is lowered due to the gravity of the medicine bottle, the elastic body 5 is compressed in the vertical direction, the distance between the magnetic sheet 2 and the magnetic field sensor 3 is reduced, the magnetic field strength sensed by the magnetic field sensor is suddenly increased, and the judging unit judges that the medicine bottle is placed in the medicine box according to the detected change of the increase of the magnetic field strength. In contrast, when the medicine bottle is taken out from the storage area of the upper half of the medicine box, the partition plate is raised, the elastic body is elongated in the vertical direction, the distance between the magnetic sheet and the magnetic field sensor is increased, a sudden decrease in the magnetic field strength sensed by the magnetic field sensor occurs, and the judgment unit judges that the medicine bottle is taken out from the medicine box based on the detected change in the decrease in the magnetic field strength. The medicine in the traditional Chinese medicine box can be understood as tablet medicine, a container for containing tablets, powder and liquid medicine and medical consumables.
In one embodiment, the judging unit may be a host of the drug management system, where management software of the host judges whether the drug is taken out of the drug cassette from the change of the magnetic field strength through a preset magnetic field change threshold; in another embodiment, the judging unit may be a processing unit composed of a single chip microcomputer and an MCU, and the processing unit judges whether the medicine is taken out of the medicine box from the change of the magnetic field strength through a preset magnetic field change threshold.
In one embodiment, the magnetic sheet is preferably a rare earth permanent magnet material, such as a neodymium iron boron material. The neodymium iron boron material has extremely high magnetic density and extremely high coercive force, so that the magnetic sheet with smaller volume can generate a magnetic field with enough size, the space is greatly saved, and meanwhile, the use of the permanent magnet also avoids the heating of the electromagnet and the temperature rise, thereby generating adverse effects on medicines. In other embodiments, permanent magnets of other materials may also be used for the generation of the magnetic field.
In a preferred embodiment, the separator has a magnetic shielding layer that can further eliminate the magnetic field effect of the device region permanent magnet on the medicine of the storage region, for example, the magnetic shielding layer may be provided on the upper surface and/or the lower surface of the separator, or may be provided in an interlayer of the separator. In a further preferred embodiment, the magnetic shielding layer is made of a material with high magnetic permeability, such as permalloy, iron-aluminum alloy, silicon steel sheet, and the like. In one embodiment, the separator itself is made of a material having magnetic shielding capability. It should be noted that, not all the cartridges need to be provided with a magnetic shielding layer, and in a cartridge storing a medicine or consumable material to which the magnetic field does not affect, the magnetic shielding layer may be omitted, for example, a cartridge storing a Chinese patent medicine.
In one embodiment, the elastic body is a spring, and in an alternative embodiment, the elastic element is a metal dome, an elastic rubber body, or a polyurethane-like plastic body.
In one embodiment, the elastic element is arranged between the partition plate and the inner surface of the bottom of the medicine box, the partition plate is compressed in the vertical direction when being lowered, and extends in the horizontal direction, for example, the elastic element is a cuboid elastic rubber body, the magnetic sheet is arranged on the horizontal side surface of the elastic element, in which case, when the partition plate moves up and down in the vertical direction, the magnetic sheet can displace in the horizontal direction, so that the magnetic field sensor can be arranged on the surface of the bottom shell of the medicine box, the side surface of the medicine box, preferably the side surface of the equipment area of the medicine box, and further the side surface of the medicine box closest to the magnetic sheet, and the magnetic field strength sensed by the magnetic field sensor is strongest. In some cases, the lateral outer surface of the cartridge to which the magnetic field sensor is to be placed may increase the height of the cartridge storage area to suit certain drug products of a particular storage requirement. It will also be appreciated by those skilled in the art that when the magnetic field sensor is positioned on the lateral outer surface of the cartridge, the magnetic field sensed by the magnetic field sensor may become greater or lesser in intensity as the diaphragm is lowered, depending on where the magnetic field sensor is positioned. When the magnetic field sensor is mounted on the same side as the magnetic sheet on the elastic member, for example, the magnetic field sensor is mounted on the front side outer surface of the medicine case, the magnetic sheet is mounted on the front side surface of the elastic member, when the partition board is lowered, the elastic member is compressed in the vertical direction to extend in the horizontal direction, the positions of the magnetic sheet and the magnetic field sensor are shortened, the magnetic field strength sensed by the magnetic field sensor increases, and if the magnetic field sensor is mounted on the front side outer surface of the medicine case, the magnetic sheet is mounted on the rear side surface of the elastic member, when the partition board is lowered, the elastic member is compressed in the vertical direction to extend in the horizontal direction, the positions of the magnetic sheet and the magnetic field sensor increase, and the magnetic field strength sensed by the magnetic field sensor decreases.
In one embodiment, the lower surface of the partition plate is provided with a magnetic shielding plate which is vertically arranged, the magnetic sheet is arranged on the bottom surface of the equipment area, the magnetic sensor is arranged on the outer side surface of the medicine box, the vertically arranged magnetic shielding plate is arranged between the magnetic sheet and the magnetic field sensor, when the medicine bottle is placed in the storage area of the upper half part of the medicine box, due to the gravity effect of the medicine bottle, the partition plate descends, the elastic body is compressed in the vertical direction, the magnetic shielding plate descends along with the partition plate, falls between the magnetic sheet and the magnetic field sensor, separates the magnetic sheet from the magnetic field sensor, the magnetic field sensed by the magnetic field sensor suddenly descends, and the judging unit judges that the medicine bottle is placed in the medicine box according to the detected magnetic field intensity change. In contrast, when the medicine bottle is taken out from the storage area of the upper half of the medicine box, the partition is raised, the elastic body is elongated in the vertical direction, the magnetic shield plate is raised along with the partition, the magnetic sheet and the magnetic field sensor are not separated any more, the magnetic field intensity sensed by the magnetic field sensor is suddenly increased, the judgment unit judges that the medicine bottle is taken out from the medicine box according to the detected magnetic field intensity change, and in this embodiment, the position of the magnetic sheet is not changed along with the movement of the partition.
In other embodiments, the magnetic field sensor may not be disposed on the exterior surface of the cartridge, but may be spaced from the exterior surface of the cartridge. The position of the magnetic field sensor may be set so that the magnetic field of the permanent magnet in the device area can be sensed.
The magnetic shielding plate is arranged on the lower surface of the partition plate, the magnetic sheet is arranged on the bottom plate of the equipment area, the magnetic field sensor is arranged on the outer side surface of the medicine box, and the magnetic shielding plate is arranged between the magnetic sheet and the magnetic field sensor. When the medicine bottle is put into the storage area of the upper half part of the medicine box, the partition board descends due to the gravity effect of the medicine bottle, the elastic body is compressed in the vertical direction, the magnetic shielding plate descends along with the partition board and falls between the magnetic sheet and the magnetic field sensor to separate the magnetic sheet from the magnetic field sensor, the magnetic field sensed by the magnetic field sensor suddenly descends, and the judging unit judges that the medicine bottle is put into the medicine box according to the detected magnetic field intensity change. In contrast, when the medicine bottle is taken out from the storage area of the upper half of the medicine box, the partition is raised, the elastic body is elongated in the vertical direction, the magnetic shield plate is raised along with the partition, the magnetic sheet and the magnetic field sensor are not separated any more, the magnetic field intensity sensed by the magnetic field sensor is suddenly increased, and the judgment unit judges that the medicine bottle is taken out from the medicine box based on the detected change of the magnetic field intensity.
The magnetic induction medicine box provided by the invention is characterized in that the magnetic field sensor for sensing the medicine container in the medicine box is arranged outside the medicine box, so that a shell or a box cover of the medicine box can be completely unnecessary to be provided with any channel for the power supply line and the signal line to enter and exit, thereby achieving the complete sealing of the inside and the outside of the medicine box, being very beneficial to the preservation of medicines, and meanwhile, once the medicine container in the medicine box is broken or toppled, leaked medicines can only flow from a storage area to an equipment area, and cannot flow out of the medicine box along the channel for the power supply line and the signal line to cause corrosion and pollution to the internal components of a medicine management system such as a circuit board 6.
In one embodiment, a liquid medicine channel is arranged between the partition plate and the inner side wall of the medicine box, and once the medicine container inside the medicine box is broken or toppled, the liquid medicine can flow to the equipment area along the liquid medicine channel, so that the dryness of the storage area is kept. Further, a cushion layer is arranged on the medicine box bottom plate of the equipment area, and the cushion layer is made of a water absorbing material and is used for absorbing liquid medicines flowing down from the storage area.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art will recognize that changes and substitutions are within the scope of the present invention.
Claims (9)
1. The magnetic induction medicine box is characterized by comprising a partition plate which is horizontally arranged, wherein the partition plate divides the medicine box into an upper space and a lower space, a storage area is arranged above the partition plate, a device area is arranged below the partition plate, a medicine liquid channel is arranged between the partition plate and the inner side wall of the medicine box, and when a medicine container containing medicine liquid in the storage area is broken or toppled over, the medicine liquid can only flow from the storage area to the device area through the medicine liquid channel and cannot flow out of the medicine box; an elastic body is arranged between the partition board and the medicine box bottom board, and the elastic body stretches in the vertical direction when the partition board moves in the vertical direction; the device area is provided with a permanent magnet, the outside of the medicine box is provided with a magnetic field sensor, the magnetic field sensor is used for sensing a magnetic field generated by the permanent magnet, the partition board moves up and down to enable the magnetic field intensity sensed by the magnetic field sensor to change and generate an output signal, and the output signal can judge whether a medicine bottle container is taken out or put into the storage area; the device area is provided with a cushion for absorbing liquid medicine flowing down from the storage area.
2. The magnetic induction kit of claim 1, wherein said spacer has a layer of magnetic shielding material.
3. The magnetic induction kit of claim 1, wherein said spacer is made of a magnetic shielding material.
4. The magnetic induction kit of claim 1, wherein the elastomer is selected from the group consisting of springs, metal spring plates, elastic rubber bodies and polyurethane plastic bodies.
5. A magnetic induction kit according to any one of claims 2 to 3, wherein the magnetic shielding material is a material having high magnetic permeability.
6. The magnetically induced cartridge of claim 1, wherein the magnetic field sensor is disposed on an exterior bottom surface or an exterior side surface of the cartridge.
7. The magnetic induction kit of claim 1, wherein the permanent magnet is a magnetic sheet.
8. The magnetic induction medicine box of claim 7, wherein the magnetic sheet is arranged on the lower surface of the partition board.
9. A drug management system having the magnetic induction drug cassette of any one of claims 1-8, wherein the drug management system has a judgment unit that judges whether a drug container is taken out of or put into the storage area based on a change in magnetic field strength sensed by the magnetic field sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921340.7A CN107972957B (en) | 2016-10-21 | 2016-10-21 | Magnetic induction medicine box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610921340.7A CN107972957B (en) | 2016-10-21 | 2016-10-21 | Magnetic induction medicine box |
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| Publication Number | Publication Date |
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| CN107972957A CN107972957A (en) | 2018-05-01 |
| CN107972957B true CN107972957B (en) | 2023-10-17 |
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| CN201610921340.7A Active CN107972957B (en) | 2016-10-21 | 2016-10-21 | Magnetic induction medicine box |
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| EP2067718A1 (en) * | 2007-12-07 | 2009-06-10 | Vifor (International) Ag | Tablet dispenser |
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| CN107972957A (en) | 2018-05-01 |
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