TWI426456B - Chemical management system - Google Patents

Description

Chemical management system

The present invention relates to a chemical management system, and more particularly to a chemical management system for obtaining chemical information and weight in a plurality of usage modes.

Currently, in general laboratories, chemicals are typically stored in a chemical storage cabinet for free access by those in need in the laboratory. When the chemical is used, the user puts the chemical back into the chemical storage cabinet. However, this method will lead to the dilemma of the use of chemicals but not recorded, so that the next user has no use of chemicals.

In addition, the chemicals in the laboratory may cause the chemicals to deteriorate due to environmental factors or natural factors. If the user uses the chemicals, public risks may occur in the laboratory. Furthermore, many chemicals are prohibited from being carried out in the laboratory because they are harmful to the environment or may be illegally used. Such chemicals are subject to government control, such as anesthetics. The number of doses used for such controlled chemicals needs to be recorded and the relevant units need to be reported. If users use this type of controlled chemicals in excess, many complicated problems will arise.

In view of the above problems of the prior art, the object of the present invention is to provide a Chemical management systems to address the inconvenience of chemicals management.

For the purpose of the present invention, a chemical management system is further provided for managing at least one chemical, the chemical is attached with a radio frequency tag, the radio frequency tag emits a first wireless signal, and the chemical management system The utility model comprises a portable weighing device and a main control terminal. The portable weighing device has a plurality of usage modes built in. The portable weighing device receives the first wireless signal in these usage modes to obtain a plurality of information about the chemical, and weighs the weight of the chemical. In these modes of use, the portable weighing device transmits a second wireless signal based on the weight of the item information and the chemical. The master receives the second wireless signal to store the weight of the chemical and the object information corresponding to the usage patterns.

For the purpose of the present invention, a chemical management system is further provided which manages at least one chemical having a code on the chemical, the system comprising a portable weighing device and a main control terminal. The portable weighing device has a plurality of built-in usage modes. The portable weighing device scans the barcode in these usage modes to obtain a plurality of chemical information of the chemical, and weighs the weight of the chemical, and then uses the chemical according to the use. The mode, the information of these items and the weight of the chemical to transmit a measurement signal. The master receives the measurement signal to store the weight of the chemical and the information of the objects corresponding to the usage patterns.

100‧‧‧ chemicals

101‧‧‧RF tags

102‧‧‧ Object Information

103‧‧‧First wireless signal

110‧‧‧ Portable weighing device

111‧‧‧Wireless transceiver unit

112‧‧‧Switch unit

113‧‧‧Usage mode

114‧‧‧Weighing unit

115‧‧‧ identification signal

116‧‧‧Second wireless signal

120‧‧‧Master

121‧‧‧ storage unit

122‧‧‧ comparison table

123‧‧‧judging unit

124‧‧‧ threshold

200‧‧‧ chemicals

201‧‧‧ barcode

202‧‧‧ Object Information

210‧‧‧ Portable weighing device

211‧‧‧ scan unit

212‧‧‧Switch unit

213‧‧‧Usage mode

214‧‧‧Weighing unit

215‧‧‧Measurement signal

220‧‧‧Master

221‧‧‧ storage unit

222‧‧‧ comparison table

223‧‧‧judging unit

224‧‧‧ threshold

300‧‧‧ chemicals

310‧‧‧Portable weighing unit

311‧‧‧Usage mode

312‧‧‧ inventory mode

313‧‧‧Lending mode

314‧‧‧Return mode

315‧‧‧Depletion mode

320‧‧‧Master

1 is a first system block diagram of the chemical management system of the present invention; and FIG. 2 is a second system block diagram of the chemical management system of the present invention; Figure 3 is a schematic diagram showing the usage mode of the chemical management system of the present invention.

Please refer to FIG. 1 , which is a first system block diagram of the chemical management system of the present invention. In the figure, the chemical management system is used to manage at least one chemical 100 to which a radio frequency tag 101 is attached. The chemical management system includes a portable weighing device 110 and a main control terminal 120. The portable weighing device 110 has a plurality of usage modes 113 built therein. The portable weighing device 110 has a wireless transceiver unit 111. The portable weighing unit 110 transmits an identification signal 115 to the wireless radio frequency tag 101 through the wireless transceiver unit 111. After receiving the identification signal 115, the wireless radio frequency tag 101 receives the identification signal 115. Then, by identifying the signal 115, a first wireless signal 103 is sent. The portable weighing device 110 receives the first wireless signal 103 by using the wireless transceiver unit 111 in the usage mode 113, and obtains a plurality of object information 102 related to the chemical 100 from the first wireless signal 103. The portable weighing device 110 further includes a weighing unit 114, which can measure the weight of the chemical 100 in different usage modes 113. In the usage mode 113, the portable weighing device 110 transmits a second wireless signal 116 through the wireless transceiver unit 111 according to the weight of the object information 102 and the chemical 100. The main control terminal 120 receives the second wireless signal 116 to obtain the measurement result of the portable weighing device 110, and stores the object information 102 of the chemical 100, such as the original weight, type or purchase time of the chemical 100. The portable weighing device 110 also uses the second wireless signal 116 to further obtain the object information 102 corresponding to the usage mode 113.

In addition, the portable weighing unit 110 further includes a switching unit 112, the switching list The element 112 is for the user to switch between different usage modes 113. The switching unit 112 can be at least one button or a voice control system for the user to control different usage modes 113 by manual or voice.

It is worth mentioning that the control terminal 120 includes a storage unit 121 and a determination unit 123. The main control terminal 120 records the weight of the chemical 100 in each usage mode 113 and stores it in the storage unit 121. Furthermore, the storage unit 121 further includes a look-up table 122 to record the weight of the chemical 100 measured under different usage modes 113. The judging unit 123 compares each weight record of the chemical 100 through the comparison table 122 to obtain the weight change of the chemical 100 in each usage mode 113. The determining unit 123 is further provided with at least one threshold value 124, which can be a ratio of two weight changes of each chemical. For example, if the threshold value 124 is 30%, when the weight difference between the two chemicals 100 is greater than 30%, the judging unit 123 judges that the chemical 100 may be used excessively or damp. As such, the master 120 can control the state of use or storage of each chemical 100 by the weight of the chemical 100. In addition, the chemical 100 described in the present invention may be a general drug sold by a chain drug manufacturer or a regulated drug controlled by the government. The chemical 100 described in the present invention may also be a cosmetic.

Please refer to FIG. 2, which is a second system block diagram of the chemical management system of the present invention. Because some of the chemicals 200 are quite dangerous or prone to deterioration, such chemicals 200 need to be stored in a relatively stable environment and the site is relatively hidden. When the chemical 200 is placed in such a place, it may cause a problem of poor reception of the wireless signal, resulting in the inability to use the wireless system. Therefore, in the second figure, the chemical management system comprises a portable weighing device 210 and a main control terminal. 220. The portable weighing device 210 is connected to the main control terminal 220 by a signal transmission line. The chemical management system is used to manage at least one chemical 200 having a code 201 thereon. The portable weighing device 210 has a plurality of usage modes 213 built therein. The portable weighing device 210 includes a scanning unit 211. The user can scan the barcode 201 by using the scanning unit 211 of the portable weighing unit 210 to obtain a plurality of object information 202 related to the chemical 200. . The portable weighing device 210 further includes a weighing unit 214 for the user to weigh the weight of the chemical 200 in each usage mode 213. Then, the portable weighing unit 210 generates a measuring signal 215 according to the usage patterns 213, the weights of the object information 202 and the chemical 200, and transmits the signal to the main control terminal 220 through the signal transmission line, so the main control terminal 220 can receive the measurement signal 215 to store the weight of the chemical 200, and the object information 202 corresponding to the usage patterns 213, such as the original weight, type or purchase time of the chemical 200.

In addition, the portable weighing unit 210 further includes a switching unit 212 for the user to switch between different usage modes 213. The switching unit 212 can be at least one button or a voice control system for the user to control different usage modes 213 by manual or voice. In addition, the chemical 200 described in the present invention may be a general drug sold by a chain drug manufacturer or a regulated drug regulated by the government. The chemical 200 described in the present invention may also be a cosmetic.

It is worth mentioning that the control terminal 220 includes a storage unit 221 and a determination unit 223. The main control terminal 220 records the weight of each chemical 200 in each usage mode 213, and stores the weight of each chemical 200 in the storage unit 221. Further For example, the storage unit 221 can further include a comparison table 222, which can record the weight of the chemical 200 measured by the portable weighing device 200 under different usage modes 213. The determining unit 223 can compare the weight records of a certain chemical 200 through the comparison table 222 to obtain the weight change of the chemical 200 in each usage mode 213. Please note that the judging unit 223 can also directly record the previous weight record of a certain chemical 200, and compare the weight measurement results before and after to directly judge whether the chemical 200 is wet or over-utilized, but this embodiment is merely an example and does not Limited. The determining unit 223 can further have at least one threshold value 224. The threshold value 224 can be a ratio of two weight changes of each chemical. For example, if the threshold value 224 is set to 30%, when the weight difference between the two chemicals 200 is greater than 30%, the judging unit 223 judges that the chemical 200 may be excessively used or damp. In this way, the main control terminal 220 can control the use state or storage state of each chemical 200 by the weight of the chemical 200.

Please refer to FIG. 3, which is a schematic diagram of the usage mode of the chemical management system of the present invention. In the figure, the user can record the weight of the chemical 300 through the portable weighing unit 310, and the weight of the chemical 300 corresponds to the purchase date or type of the chemical 300 measured. Moreover, the user can switch the usage mode 311 of the portable weighing unit 310 to enable the user to perform the chemical 300 type identification and the weight measurement of the chemical 300 under different conditions.

Furthermore, the usage mode 311 can be divided into an inventory mode 312, a lending mode 313, a return mode 314, and a depletion mode 315. The four modes are described as follows: 1. Inventory mode 312: The user uses the portable weighing device 310 to weigh chemicals 300 weight, and identify 300 types of chemicals to record the type and weight of the chemical 300; 2. Lending mode 313: The user uses the portable weighing device 310 to measure the chemical 300 first to record the chemistry The weight of the product 300 before use, and identify the chemical 300 to be used; 3. Return mode 314: The user uses the portable weighing device 310 to weigh the used chemical 300 to know the use of the chemical 300 The weight afterwards, and identify the used chemical 300; and 4. Depletion mode 315: The portable weighing device 310 can identify which chemical 200 has been used and the used chemical 300 The empty bottle is weighed and determined to have been used up and must be recycled or replenished.

The master terminal 300 compares the lending mode 313 and the return mode 314 to record the state of use of the chemical 300.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

100‧‧‧ chemicals

101‧‧‧RF tags

102‧‧‧ Object Information

103‧‧‧First wireless signal

110‧‧‧ Portable weighing device

111‧‧‧Wireless transceiver unit

112‧‧‧Switch unit

113‧‧‧Usage mode

114‧‧‧Weighing unit

115‧‧‧ identification signal

116‧‧‧Second wireless signal

120‧‧‧Master

121‧‧‧ storage unit

122‧‧‧ comparison table

123‧‧‧judging unit

124‧‧‧ threshold

Claims (14)

A chemical management system for managing at least one chemical having a radio frequency tag attached thereto, the radio frequency tag emitting a first wireless signal, the system comprising: a portable weighing device having a built-in plural Usage patterns, wherein the usage patterns include an inventory mode for inventorying and recording the chemical; a lending mode for recording the lending status of the chemical; and a return mode for recording the lending a return condition of the chemical; and a depletion mode for recording the used chemical, the portable weighing device receiving the first wireless signal in the usage modes to obtain a plurality of the chemical Information of the item, and weighing the weight of the chemical, and transmitting a second wireless signal according to the usage mode, the information of the item and the weight of the chemical; and a master receiving the second wireless signal To store the weight of the chemical and the information of the objects corresponding to the usage patterns. The chemical management system of claim 1, wherein the master records the weight of the chemical in each of the usage modes, and obtains the chemical by recording each weight of the chemical The weight change in each of these usage modes. The chemical management system of claim 2, wherein the main control is based on the weight change of the chemical to determine whether the chemical is used excessively or damp. Such as the chemical management system described in claim 1 of the patent scope, wherein the materials The information includes the type of the chemical, the date of purchase and the original weight. The chemical management system of claim 1, wherein the main control unit further comprises a storage unit for storing the weight of the chemical and the information of the objects corresponding to the usage patterns. The chemical management system of claim 1, wherein the portable weighing device further comprises a switching unit to switch the usage modes. The chemical management system of claim 1, wherein the portable weighing device further comprises a weighing unit for weighing the chemical. A chemical management system for managing at least one chemical having a code on the chemical, the system comprising: a portable weighing device having a plurality of usage modes built therein, wherein the usage modes comprise an inventory mode It is used to inventory and record the chemical; a lending mode for recording the lending status of the chemical; a return mode for recording the returned condition of the chemical that has been loaned; and a depletion mode, The utility model is used for recording the used chemical. The portable weighing device scans the barcode in the usage mode to obtain a plurality of object information of the chemical, and weighs the weight of the chemical, and then according to the Using a mode, the information of the articles and the weight of the chemical to transmit a measurement signal; and a control terminal receiving the measurement signal to store the weight of the chemical and the objects corresponding to the usage modes News. The chemical management system of claim 8, wherein the master records the weight of the chemical in each of the usage modes, and obtains the chemical by recording each weight of the chemical The weight change in each of these usage modes. The chemical management system of claim 9, wherein the main control unit determines whether the chemical is used excessively or damp according to the weight change of the chemical. For example, the chemical management system described in claim 8 wherein the information of the articles includes the type of the chemical, the date of purchase, and the original weight. The chemical management system of claim 8 , wherein the main control end further comprises a storage unit for storing the weight of the chemical and the information of the objects corresponding to the usage modes. The chemical management system of claim 8, wherein the portable weighing device further comprises a switching unit to switch the usage modes. The chemical management system of claim 8, wherein the portable weighing device further comprises a weighing unit for weighing the chemical.