TWI583957B - Portable quartz crystal microbalance detector and detection system using the same - Google Patents

Description

Portable quartz crystal microbalance detector and detection system thereof

The invention relates to a detector, and in particular to a portable quartz crystal microbalance detector and a detection system thereof.

In recent years, Quartz Crystal Microbalance (QCM) has been widely used in various biochemical analyses, such as the detection of viruses, bacteria, immunoglobulins, and even the identification of environmental gases and liquids. It has the advantages of high sensitivity, simple structure, low cost and rapid detection.

The invention provides a portable quartz crystal microbalance detector and a detection system thereof, which can increase the convenience of use thereof.

The portable quartz crystal microbalance detector of the present invention comprises a quartz crystal microbalance, a transmission unit and a processor. A quartz crystal microbalance is used to provide a sensing signal. The transmission unit receives a data signal to transmit an output signal to an external control device according to the data signal. The processor is coupled to the quartz crystal microbalance and the transmission unit to provide a data signal to the transmission unit according to the sensing signal.

The detection system of the present invention comprises a plurality of portable quartz crystal microbalance detectors as described above and a control device. The portable quartz crystal microbalance detector is configured to provide a plurality of output signals. The control device is coupled to the portable quartz crystal microbalance detectors to provide a prompt message according to the output signals.

Based on the above, the portable quartz crystal microbalance detector and the detection system thereof of the embodiment of the invention can transmit the detection result to the outside through a wired or wireless interface through the transmission unit of the portable quartz crystal microbalance detector. Control device to improve the ease of use of the portable quartz crystal microbalance detector.

The above described features and advantages of the invention will be apparent from the following description.

1 is a system diagram of a portable quartz crystal microbalance detector according to an embodiment of the invention. Referring to FIG. 1 , in the embodiment, the portable quartz crystal microbalance detector 100 can be connected to an external control device (for example, the computer 10 and/or the mobile phone 20 ), and includes, for example, a quartz crystal microbalance 110 and a processor. 120. The transmission unit 130, the battery 140, and the prompting unit 150.

The quartz crystal microbalance 110 is used to detect the object to be detected (for example, virus, bacteria, immunoglobulin, gas or liquid), and correspondingly provides a sensing signal Ssen to indicate the result of the detection, wherein the sensing signal Ssen can be The pulse signal, the pulse width modulation signal or the voltage level may be determined according to the circuit design of the quartz crystal microbalance 110, and the embodiment of the invention is not limited thereto.

The processor 120 is coupled to the quartz crystal microbalance 110, the transmission unit 130, and the prompting unit 150. After receiving the sensing signal Ssen, the processor 120 first provides the data signal Sdat to the transmission unit 130 according to the sensing signal Ssen. Then, after receiving the data signal Sdat, the transmission unit 130 transmits the output signal Sot to the computer 10 and/or the mobile phone 20 according to the data signal Sdat, and the user can view the quartz crystal microbalance 110 through the computer 10 and/or the mobile phone 20. Test results.

Then, the transmission unit 130 can be coupled to the computer 10 and the mobile phone 20 through a wired interface or a wireless interface. When the transmission unit 130 is coupled to the computer 10 and/or the mobile phone 20 through the wired interface, the output signal Sot is a wired signal; when the transmission unit 130 is coupled to the computer 10 and/or the mobile phone 20 through the wireless interface, the output signal Sot is a wireless signal. The wired interface is, for example, a Universal Serial Bus (USB), and the wireless interface is, for example, Bluetooth, WIFI, and Near Field Communication (NFC).

On the other hand, the processor 120 determines whether to remind the user according to the sensing signal Ssen. When the processor 120 determines that the user is to be reminded, the processor 120 correspondingly provides the activation signal Sact to the prompting unit 150 to control the prompting unit 150 to send a prompt message; when the processor 120 determines that the user does not need to remind the user The processor 120 does not provide the enable signal Sact. When the prompting unit 150 includes a light-emitting component, the prompt message may be a color message or a flashing message; when the prompting unit 150 includes a sound component, the prompting message may be a sound message; when the prompting unit 150 includes the display component, the prompting message may be a text message. Or a pattern message, which may be based on those of ordinary skill in the art.

In addition, the processor 120 is further coupled to the battery 140 for receiving the battery voltage Vbt provided by the battery 140 and operating with the battery voltage Vbt. Moreover, when the transmission unit 130 is coupled to the computer 10 and/or the mobile phone 20 through a wired interface, the transmission unit 130 may receive the power supply voltage Vpp from the computer 10 or the mobile phone 20. When the transmission unit 130 receives the power supply voltage Vpp, the power supply voltage Vpp may be supplied to the processor 120 as a driving power, and the battery 140 may be charged using the power supply voltage Vpp.

According to the above, the transmission unit 130 of the portable quartz crystal microbalance detector 100 of the embodiment of the present invention can provide the detection result to an external control device through a wired or wireless interface to improve the portable quartz crystal microbalance detector. 100 ease of use.

2 is a system diagram of a portable quartz crystal microbalance detector according to another embodiment of the present invention. Referring to FIG. 2, in the embodiment, the portable quartz crystal microbalance detector 200 can also be connected to an external control device (such as the computer 10 and/or the mobile phone 20), and includes, for example, a quartz crystal microbalance 210, and detection. The circuit 211, the processor 212, the wired transceiver 213, the wireless transceiver 214, the charging circuit 215, the battery 216, the boosting circuit 217, the power switching circuit 218, and the prompting unit 219.

The detecting circuit 211 is coupled to the quartz crystal microbalance 210 and the processor 212 to drive the quartz crystal microbalance 210 to detect the detected object (for example, virus, bacteria, immunoglobulin, gas or liquid), and correspondingly provide the sensing signal Ssen. To the processor 212. The processor 212 is coupled to the detection circuit 211, the wired transceiver 213, the wireless transceiver 214, and the prompting unit 150. The wired transceiver 213 is coupled to the computer 10, for example, and the wired transceiver 213 can notify the processor 212 when the wired transceiver 213 is coupled to the computer 10. The wireless transceiver 214 is coupled to the handset 20, for example, and when the wireless transceiver 214 is coupled to the handset 20, the wireless transceiver 214 can notify the processor 212.

After receiving the notification from the wired transceiver 213, the processor 212 provides the data signal Sdat to the wired transceiver 213 according to the sensing signal Ssen. Then, after receiving the data signal Sdat, the wired transceiver 213 transmits the output signal Sot1 to the computer 10 according to the data signal Sdat, that is, transmits the data signal Sdat through the wired interface to display the detection result of the quartz crystal microbalance 210 through the computer 10. After receiving the notification from the wireless transceiver 214, the processor 212 provides the data signal Sdat to the wireless transceiver 214 according to the sensing signal Ssen. Then, after receiving the data signal Sdat, the wireless transceiver 214 transmits the output signal Sot2 to the mobile phone 20 according to the data signal Sdat, that is, transmits the data signal Sdat through the wireless interface to display the detection result of the quartz crystal microbalance 210 through the mobile phone 20.

On the other hand, the processor 212 determines whether to remind the user according to the sensing signal Ssen. When the processor 212 determines that the user is to be reminded, the processor 212 correspondingly provides the activation signal Sact to the prompting unit 219 to control the prompting unit 219 to send a prompt message; when the processor 212 determines that the user does not need to remind the user The processor 120 does not provide the enable signal Sact.

In addition, the processor 212 is further coupled to the power switching circuit 218 to receive the system voltage Vdd. The battery voltage Vbt provided by the battery 216 is converted to the supply voltage Vsup via the booster circuit 217, and then supplied to the power switching circuit 218, and when the wired transceiver 213 receives the power supply voltage Vpp supplied from an external control device (such as the computer 10), The power supply voltage Vpp is simultaneously supplied to the power switching circuit 218 and the charging circuit 215. When the power switching circuit 218 receives the power supply voltage Vpp, the power supply voltage Vpp is output as the system voltage Vdd; when the power switching circuit 218 receives only the supply voltage Vsup, the supply voltage Vsup and the output are used as the system voltage Vdd. After receiving the power supply voltage Vpp, the charging circuit 215 charges the battery 216 with the power supply voltage Vpp.

FIG. 3 is a schematic diagram of a system of a detection system according to an embodiment of the invention. Referring to FIG. 3 , in the embodiment, the detection system 300 includes, for example, a control device 310 and a plurality of portable quartz crystal microbalance detectors (eg, 321, 323, 325), wherein the control device 310 can be FIG. 1 . Or the computer 10 or the mobile phone 20 shown in FIG. 2, the portable quartz crystal microbalance detector (such as 321, 323, 325) may be the portable quartz crystal microbalance detector 100 or 200 shown in FIG. 1 or 2.

Further, the control device 310 is coupled to the portable quartz crystal microbalance detectors 321, 323, 325 to receive the output signal Sot provided by the portable quartz crystal microbalance detectors 321, 323, 325, The detection results of the respective portable quartz crystal microbalance detectors 321, 323, and 325 are also displayed. In addition, the control device 310 can determine whether each of the portable quartz crystal microbalance detectors 321, 323, and 325 provides a prompt message according to the detection results of the respective portable quartz crystal microbalance detectors 321, 323, and 325. When the control device 310 determines that each of the portable quartz crystal microbalance detectors 321, 323, 325 is to provide a prompt message, the back control signal Sft is provided to each of the portable quartz crystal microbalance detectors 321, 323, 325. a processor (eg, 120, 212) to control a processor (eg, 120, 212) of each of the portable quartz crystal microbalance detectors 321, 323, 325 to provide an activation signal (eg, Sact) to the prompting unit (eg, Sact) Such as 150, 219), and then the prompting unit (such as 150, 219) provides a prompt message.

In summary, the portable quartz crystal microbalance detector and the detection system thereof of the embodiment of the invention can transmit the detection result through a wired or wireless interface through the transmission unit of the portable quartz crystal microbalance detector. To external control devices to improve the ease of use of the portable quartz crystal microbalance detector.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

10: computer 20: mobile phone 100, 200, 321, 323, 325: portable quartz crystal microbalance detector 110, 210: quartz crystal microbalance 120, 212: processor 130: transmission unit 140, 216: battery 150 219: prompting unit 211: detecting circuit 213: wired transceiver 214: wireless transceiver 215: charging circuit 217: boosting circuit 218: power switching circuit 300: detecting system 310: controlling device Sact: starting signal Sdat: data signal Sft: Return control signals Sot, Sot1, Sot2: Output signal Ssen: Sensing signal

Vbt‧‧‧ battery voltage

Vdd‧‧‧ system voltage

Vpp‧‧‧Power supply voltage

Vsup‧‧‧ supply voltage

1 is a system diagram of a portable quartz crystal microbalance detector according to an embodiment of the invention. 2 is a system diagram of a portable quartz crystal microbalance detector according to another embodiment of the present invention. FIG. 3 is a schematic diagram of a system of a detection system according to an embodiment of the invention.

10: computer 20: mobile phone 100: portable quartz crystal microbalance detector 110: quartz crystal microbalance 120: processor 130: transmission unit 140: battery 150: prompt unit Sact: start signal Sdat: data signal Sot: output Signal Ssen: sensing signal Vbt: battery voltage Vpp: power supply voltage

Claims (9)

A portable quartz crystal microbalance detector comprises: a quartz crystal microbalance for providing a sensing signal; and a transmission unit for receiving a data signal for transmitting an output signal to an external control according to the data signal a processor coupled to the quartz crystal microbalance and the transmission unit to provide the data signal to the transmission unit according to the sensing signal; and a prompting unit coupled to the processor to be controlled by the processing A prompt message is sent by a start signal provided by the device. The portable quartz crystal microbalance detector of claim 1, wherein the external control device is coupled to the transmission unit via a wired interface, and the output signal is a wired signal. The portable quartz crystal microbalance detector of claim 2, further comprising a battery coupled to the processor for providing a battery voltage to the processor. The portable quartz crystal microbalance detector of claim 3, wherein the external control device supplies a power voltage to the processor through the transmission unit, and the battery uses the power voltage pair to charge. The portable quartz crystal microbalance detector of claim 1, wherein the external control device is coupled to the transmission unit via a wireless interface, and the output signal is a wireless signal. The portable quartz crystal microbalance detector of claim 1, wherein the processor provides the activation signal according to the sensing signal. A detection system comprising: a plurality of portable quartz crystal microbalance detectors as described in claim 1 for providing a plurality of output signals; and a control device coupled to the portable devices The quartz crystal microbalance detector is configured to provide a prompt message according to the output signals. The detection system of claim 7, wherein each of the portable quartz crystal microbalance detectors further comprises a prompting unit coupled to each of the portable quartz crystal microbalance detectors. The processor issues the prompt message in response to an activation signal provided by the processor. The detection system of claim 7, wherein the processor of each of the portable quartz crystal microbalance detectors is controlled by a backhaul control signal provided by the control device to provide the activation signal.