CN211577385U

CN211577385U - Detection device for ultrasonic bone mineral density probe line

Info

Publication number: CN211577385U
Application number: CN201922194540.9U
Authority: CN
Inventors: 王美洲; 杜文扬
Original assignee: Shaanxi Kangrongxin Intelligent Medical System Co ltd
Current assignee: Shaanxi Kangrongxin Intelligent Medical System Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-25
Anticipated expiration: 2029-12-10

Abstract

A detection device for ultrasonic bone mineral density PROBE lines comprises a power supply change-over switch, a 4148 diode, a PROBE socket, a USB duplex detection socket and two different light emitting diodes of blue and orange; connecting a probe line into a detection circuit, wherein the probe line and a single circuit corresponding to the detection circuit form a complete loop; each line is connected with a light-emitting diode indicator lamp in series, and the LED indicator lamps are correspondingly conducted only under the conditions of correct connection and no poor welding; if the interior of one group of feeder lines is welded badly or short-circuited, the serially connected LEDs have different brightness with other LEDs or the other group of LEDs is correspondingly conducted; the on-off and short circuit problems of the probe line can be quickly detected; the method has the characteristics of simple line structure, high detection speed and accuracy.

Description

Detection device for ultrasonic bone mineral density probe line

Technical Field

The utility model belongs to the technical field of medical science ultrasonic instrument, concretely relates to detection device of supersound bone density probe line.

Background

The probe line is used as an important component of the ultrasonic bone densitometer. The connecting device and the sound head are positioned at the periphery of the device, so that the degree of freedom is high and the connecting device is easy to damage. The production volume is large and the quality must be ensured. However, the original production process is complicated, the efficiency of the detection method is low, the mass production efficiency is seriously influenced, and no means for quick detection exists.

The probe lines are four-core feeder lines, and are respectively red, black, blue and white externally-added shielding layers, and the total number of the lines is nine. In the production process, the core wires of the four wires and the shielding layer are respectively welded, the number of welding spots is large, the welding spots are small, and the wire insulating layer is not high in temperature resistance. The temperature and the welding contact time are not easy to be mastered in the operation, and the situations of insufficient welding, short circuit and the like are easy to occur. Inconvenience is brought to next step, and difficulty and time are brought to removing badness. In the routine detection and acceptance link, the universal meter is mainly used for detecting the paths one by one and then detecting the short circuit between the lines, but the cold joint is inconvenient to detect.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the detection device of the ultrasonic bone mineral density probe line, which has the characteristics of simple line structure, high detection speed and accuracy.

In order to achieve the purpose, the invention adopts the technical scheme that: a detection device for ultrasonic bone mineral density PROBE lines comprises a power supply change-over switch, a 4148 diode, a PROBE socket, a USB duplex detection socket and two different light emitting diodes of blue and orange; the device is characterized by also comprising a core wire loop and a shielding wire loop; the core wire loop consists of a core wire front loop and a core wire rear loop, the core wire front loop comprises a USB power socket, the USB power socket outputs 5V voltage, a voltage output end of a USB power supply is connected with a resistor R in series, a 1K resistor of the resistor R in series is connected with a group of normally closed V1+ ends of a power supply change-over switch, and normally closed outgoing lines of the power supply change-over switch are respectively communicated with core wires at a J1 end, a J11 end, a J12 end and a J13 end of the PROBE socket 3; the loop at the rear part of the core wire comprises a power supply change-over switch, and a V1-is led out from the other normally closed end of the power supply change-over switch and is connected with the negative electrodes of a first light-emitting diode T1 for on-off indication of each core wire, a second light-emitting diode T11 for on-off indication of the core wire, a third light-emitting diode T12 for on-off indication of the core wire and a fourth light-emitting diode T13 for on-off indication of the core wire, and is connected with a pin 1, a pin 2, a pin 3;

the shielding line loop is provided with a light emitting diode five S2 indicated by a shielding line, a light emitting diode six S21 indicated by the shielding line, a light emitting diode eight S22 indicated by the shielding line and a light emitting diode nine S23 indicated by the shielding line; v2+ at the normally open end of the power supply change-over switch is respectively connected with the cathodes of a light emitting diode five S2 indicated by a shielding wire, a light emitting diode six S21 indicated by the shielding wire, a light emitting diode eight S22 indicated by the shielding wire and a light emitting diode nine S23 indicated by the shielding wire, the cathodes of all shielding wire indicating lamps are respectively and correspondingly connected with 5 pins, 6 pins, 8 pins and 9 pins of the USB duplex detection socket to form a part of a circuit loop of a shielding layer, and the cathodes of 4148 diodes I1, 4148 diodes II D2, 4148 diodes III D3 and 4148 diodes IV 4 used for signal isolation among all shielding wires are respectively connected from the V2-position of the power supply change-over switch; the anode of the 4148 diode I D1 is connected with the outer layer of the J1 end of the PROBE socket, the anode of the 4148 diode II D2 is connected with the outer layer of the J11 end of the PROBE socket 3, the anode of the 4148 diode III D3 is connected with the outer layer of the J12 end of the PROBE socket, and the anode of the 4148 diode IV D4 is connected with the outer layer of the J13 end of the PROBE socket; the cathode of the first 4148 diode D1 is connected in series with the anode of the light emitting diode decaH 3 for short circuit indication, the cathode of the second 4148 diode D2 is connected in series with the anode of the light emitting diode eleven H31 for short circuit indication, the cathode of the third 4148 diode D3 is connected in series with the anode of the light emitting diode twelve H32 for short circuit indication, and the cathode of the fourth 4148 diode D4 is connected in series with the anode of the light emitting diode thirteen H34 for short circuit indication; the cathodes of the short circuit indication light emitting diode decaH 3, the short circuit indication light emitting diode eleven H31, the short circuit indication light emitting diode twelve H32 and the short circuit indication light emitting diode thirteen H33 are connected with the V1-of the power supply change-over switch;

the feeder line main body shielding line is connected with the anode of a light emitting diode seven S20 of the main body shielding line indicator lamp from the V2+ end of the power supply change-over switch, the shielding line indicates that the cathode of the light emitting diode seven S20 enters the 7-pin position of the USB duplex detection socket, and a detected line is connected to the J-end outer layer line of the PROBE socket and then forms a loop with the V2-of the power supply change-over switch;

when the detected line is connected with the device line, a complete loop is formed by V1+ of the power supply change-over switch and V1-of the power supply change-over switch, a complete loop is formed by V2+ of the power supply change-over switch and V2-of the power supply change-over switch after the power supply change-over switch acts, and in each group of lines, when the core wire and the shielding wire are conducted, the short circuit indication light emitting diode decaH 3, the short circuit indication light emitting diode eleven H31, the short circuit indication light emitting diode twelve H32 and the short circuit indication light emitting diode thirteen H34 are correspondingly lightened.

The invention has the beneficial effects that:

the probe line is connected to the detection line, and the probe line and the single line corresponding to the detection line form a complete loop. An LED indicator lamp is connected in series on each line, and the LED indicator lamps are correspondingly conducted only under the conditions of correct connection and no poor welding. If there is a bad welding or short circuit in one group of feeder, the serially connected LEDs have different brightness with other LEDs or another group of different LEDs is turned on correspondingly. The probe wire can be rapidly detected to be in on-off and short circuit, the production time cost is greatly shortened, and the reject ratio of probe wires produced in batches is reduced. The fault reason of the problem circuit can be found more intuitively and conveniently by utilizing the light-emitting diode. The inconvenience brought by line-by-line measurement by a universal meter is saved, and the time cost is reduced. The device has the characteristics of simple line structure, high detection speed, accurate detection, compact overall structure, easiness in operation and convenience in carrying.

Drawings

FIG. 1 is a schematic diagram of a USB power interface.

Fig. 2 is a schematic diagram of a single core line configuration.

FIG. 3(a) is a schematic diagram of a single-shielding layer circuit structure.

Fig. 3(b) is a schematic diagram of the main line shielding layer circuit structure.

Fig. 4 is a structure diagram of a single core wire and a single shielding layer combined circuit.

Fig. 5 is a complete structure diagram of the detection circuit.

Detailed Description

The structural and operational principles of the present invention are explained in further detail below with reference to the accompanying drawings and examples.

Referring to fig. 1-5, a device for detecting an ultrasonic bone mineral density PROBE line comprises a power supply change-over switch 1, a 4148 diode 2, a PROBE socket 3, a USB duplex detection socket 4 and two different light emitting diodes 5; the device is characterized by further comprising a core wire and a shielding wire, wherein the core wire consists of a core wire front loop and a core wire rear loop, the core wire front loop comprises a USB power socket, the USB power socket outputs 5V voltage, a voltage output end of a USB power supply is connected with a resistor R in series, a 1K resistor of the series resistor R is connected with a group of normally closed V1+ ends of the power supply change-over switch 1, and normally closed outgoing wires of the power supply change-over switch 1 are respectively communicated with core wires at a J1 end, a J11 end, a J12 end and a J13 end of the PROBE socket 3; the loop at the rear part of the core wire comprises a power supply change-over switch 1, a V1-is led out from the other normally closed end of the power supply change-over switch 1 and is connected with the negative electrodes of a first core wire on-off indicating light-emitting diode T1, a second core wire on-off indicating light-emitting diode T11, a third core wire on-off indicating light-emitting diode T12 and a fourth core wire on-off indicating light-emitting diode T13, and the negative electrodes are connected with a 1 pin, a 2 pin, a 3 pin and a 4 pin of a;

the shielding wire loop is provided with a five shielding wire indicating light emitting diode S2, a six shielding wire indicating light emitting diode S21, an eight shielding wire indicating light emitting diode S22 and a nine shielding wire indicating light emitting diode S23; the normally open end of the power switch 1 is connected with the cathodes of a five-S2 shielded line indicating LED, a six-S21 shielded line indicating LED, an eight-S22 shielded line indicating LED and a nine-S23 shielded line indicating LED, the cathodes of all the shielded line indicating lamps are correspondingly connected with the 5 pins, the 6 pins, the 8 pins and the 9 pins of the USB duplex detection jack 4 respectively to form a part of a shielded layer circuit loop, the V2-of the power switch 1 is connected with the cathodes of a 4148 diode I D1, a 4148 diode II D2, a 4148 diode III D3 and a 4148 diode IV D4 for signal isolation among all the shielded lines respectively, and the 4148 diode 2 comprises: 4148 diode one D1, 4148 diode two D2, 4148 diode three D3, 4148 diode four D4. The anode of the first 4148 diode D1 is connected with the outer layer of the J1 end of the PROBE socket 3, the anode of the second 4148 diode D2 is connected with the outer layer of the J11 end of the PROBE socket 3, the anode of the third 4148 diode D3 is connected with the outer layer of the J12 end of the PROBE socket 3, and the anode of the fourth 4148 diode D4 is connected with the outer layer of the J13 end of the PROBE socket 3; the cathode of the first 4148 diode D1 is connected in series with the anode of the red feeder short circuit indication light emitting diode decaH 3, the cathode of the second 4148 diode D2 is connected in series with the anode of the black feeder short circuit indication light emitting diode eleven H31, the cathode of the third 4148 diode three D3 is connected in series with the anode of the blue feeder short circuit indication light emitting diode twelve H32, and the cathode of the fourth 4148 diode D4 is connected in series with the anode of the white feeder short circuit indication light emitting diode thirteen H33. The cathodes of the short circuit indication light emitting diode decaH 3, the short circuit indication light emitting diode eleven H31, the short circuit indication light emitting diode twelve H32 and the short circuit indication light emitting diode thirteen H33 are connected with the V1-of the power supply change-over switch 1;

the main line body shielding wire of the feeder line is connected with the main line body shielding wire from the V2+ end of the power supply change-over switch 1 to indicate the anode of the light-emitting diode seven S20, the shielding wire indicates that the cathode of the light-emitting diode seven S20 enters the 7-pin position of the USB duplex detection socket 4, and a detected line is connected to the J-end outer layer of the PROBE socket 3 and then forms a loop with the V2-of the power supply change-over switch 1;

when the detected line is connected with the device line, a complete loop is formed by V1+ of the power supply change-over switch 1 and V1-of the power supply change-over switch 1, a complete loop is formed by V2+ of the power supply change-over switch 1 and V2-of the power supply change-over switch 1 after the power supply change-over switch 1 is operated, and in each group of lines, when the core wire and the shielding layer are conducted, the short circuit indication light emitting diode decaH 3, the short circuit indication light emitting diode eleven H31, the short circuit indication light emitting diode twelve H32 and the short circuit indication light emitting diode thirteen H33 are correspondingly lightened.

A5V voltage series resistor R is connected through a USB power socket for rear-end current limiting, the resistor R is connected to a V1+ of a normally closed end of a power supply change-over switch 1, GND of the USB power socket is connected with V1-of the other normally closed end of the power supply change-over switch 1, and V1+ is directly connected with core wires of a J1 end, a J11 end, a J12 end and a J13 end of a PROBE socket as shown in figure 1. The positions of the pin 1, the pin 2, the pin 3 and the pin 4 of the USB duplex detection socket 4 are respectively red, black, blue and white core wire interfaces, and are respectively connected with the anodes of a first light-emitting diode T1, a second light-emitting diode T11, a third light-emitting diode T12 and a fourth light-emitting diode T13 in series, the cathodes of the first light-emitting diode T1, the second light-emitting diode T11 and the third light-emitting diode T12, the four light-emitting diodes T13 are connected with the V1-position of the power supply changeover switch 1, and the on-off indication light-emitting diodes of all core wires are shown as figure 5.

When the power switch 1 is normally opened and closed to connect with V2+ and V2-, the V2+ end of the power switch 1 is connected with the anodes of the five light-emitting diodes S2, seven light-emitting diodes S21, eight light-emitting diodes S22, nine light-emitting diodes S23 and six light-emitting diodes S20, the cathode of the five light-emitting diodes S2 is connected with the 5 pins of the USB duplex detection jack 4, the cathode of the six light-emitting diodes S21 is connected with the 6 pins of the USB duplex detection jack 4, the cathode of the seven light-emitting diodes S20 is connected with the 7 pins of the USB duplex detection jack 4, the cathode of the eight light-emitting diodes S22 is connected with the 8 pins of the USB duplex detection jack 4, and the cathode of the nine light-emitting diodes S23 is connected with the 9 pins of the USB duplex detection jack 4, wherein the 5 pins, 6 pins, 8 pins and 9 pins of the USB duplex detection jack 4 are shielding line interfaces of red, black, blue and white lines, the 7 pins are main shielding line interfaces, and the five light-emitting, The light emitting diodes eight S22, nine S23, and six S20 are shown as on/off indicating lamps for each shield wire. The V2-series 4148 diode I D1, 4148 diode II D2, 4148 diode III D3, 4148 diode IV D4 negative pole is used for isolating the conducting signal between the red, black, blue, white shielding lines, the positive pole connects the outer layer (shielding line) of the J1 end, J11 end, J12 end, J13 end corresponding to PROBE socket 3 and connects with the positive pole of the light emitting diode ten H3, the light emitting diode eleven H31, the light emitting diode twelve H32, the light emitting diode thirteen H33 in series. The light emitting diode ten H3, the light emitting diode eleven H31, the light emitting diode twelve H32 and the light emitting diode thirteen H33 are four lines of red, black, blue and white feeder lines, the lines are short-circuited with the shielding lines to indicate the light emitting diode, and the cathode is connected with the V1-in series as shown in figure 5.

When the PROBE male head of the PROBE wire is inserted into the PROBE socket 3, the needle head is inserted into the position of the USB duplex detection socket 4, the V1+ and the V1-form a loop, and a first light-emitting diode T1 for core wire on-off indication, a second light-emitting diode T11 for core wire on-off indication, a third light-emitting diode T12 for core wire on-off indication and a fourth light-emitting diode T13 for core wire on-off indication are correspondingly lightened. The power supply change-over switch 1 is operated, V2+ and V2-form a loop, a light emitting diode five S2 indicated by a shielding line, a light emitting diode six S21 indicated by the shielding line, a light emitting diode seven S20 indicated by the shielding line, a light emitting diode eight S22 indicated by the shielding line and a light emitting diode nine S23 indicated by the shielding line indicate the conduction condition of each shielding line, if the core wire on-off indication light emitting diode one T1, the core wire on-off indication light emitting diode two T11, the core wire on-off indication light emitting diode three T12, the core wire on-off indication light emitting diode four T13, the shielding line indication light emitting diode five S2, the shielding line indication light emitting diode six S21, the shielding line indication light emitting diode eight S22 and the shielding line indication light emitting diode nine S23 are not lighted, the short indication light emitting diode ten H3, the short indication light emitting diode eleven H31, the short indication light emitting diode twelve H32 and the short indication light emitting diode thirteen, indicating that a short circuit is formed between the shielding wire and a corresponding group of the red, black, blue and white wires.

The detection circuit for the ultrasonic bone mineral density probe line is composed of different diodes. The detection circuit mainly comprises a power supply change-over switch 1, a 4148 diode 2, two different light-emitting diodes 5, a PROBE socket 3 and a USB duplex detection socket 4. Every two light emitting diodes (blue) correspond to the on-off condition of the inner and outer single wires of the group of coaxial lines, if the inner part of the group of coaxial lines is short-circuited, the other light emitting diode (orange) is conducted, and the other lines are not conducted. The coaxial inner and outer wires are switched by a power supply change-over switch, and if a short-circuit PROBE wire in the circuit is inserted into the PROBE socket 3, the short circuit of the circuit can be directly displayed.

The working principle of the invention is as follows:

the circuit supplies 5V power through a USB power socket of the power supply device, and is externally connected with a 1K resistor and a power supply change-over switch 1 as shown in figure 1. When the probe line is detected, the power supply equipment is connected with a detection line through the USB data line to supply power to the detection line. Then the PROBE male head of the PROBE line is connected with the PROBE socket 3, and the PROBE line pin is connected withThe USB duplex detection sockets 4 are connected. As shown in fig. 2, a red on-off indicator led-T1 turned on indicates that the wire is well soldered. When the power switch 1 is pressed, as shown in fig. 3(a), the red shield wire on/off indication led five S2 is turned on to indicate that the shield wire is well soldered, and the red core wire on/off indication led one T1 is turned off. When the power switch 1 is not pressed, if the on/off of the red core wire indicates that the led-T1 is not turned on, the short circuit between the core wire of the red feed line and the shielding line in fig. 4 indicates that the led-yh 3 is turned on, indicating a short circuit between the core wire of the red feed line and the shielding layer of the line. D1 in fig. 3(a) is a 4148 diode, which is inactive in a single line and used as isolation between shield lines in a complete line, as shown in fig. 5. The selected upper core wire on-off indicating light emitting diode I T1 (core wire on-off indicating light emitting diode II T11, core wire on-off indicating light emitting diode III T12 and core wire on-off indicating light emitting diode IV T13) and the shielding wire indicating light emitting diode V S2 (shielding wire indicating light emitting diode six S21, shielding wire indicating light emitting diode eight S22, shielding wire indicating light emitting diode nine S23 and shielding wire indicating light emitting diode seven S20) are blue, so that the brightness comparison is facilitated. The short circuit indication light emitting diode deca H3 (short circuit indication light emitting diode eleven H31, short circuit indication light emitting diode twelve H32, short circuit indication light emitting diode thirteen H33) is orange, and the power consumption of the on-off indication light emitting diode T is larger than that of the short circuit indication light emitting diode H (W)_T>W_H) And the rest of the light-emitting diodes are not conducted, so that the light-emitting diodes of the corresponding feeder lines are conducted when the circuit is internally short-circuited.

Claims

1. A detection device for ultrasonic bone mineral density PROBE lines comprises a power supply change-over switch (1), a 4148 diode (2), a PROBE socket (3), a USB duplex detection socket (4) and two different light emitting diodes (5) of blue and orange; the device is characterized by also comprising a core wire loop and a shielding wire loop; the core wire loop consists of a core wire front loop and a core wire rear loop, the core wire front loop comprises a USB power socket, the USB power socket outputs 5V voltage, a voltage output end of a USB power supply is connected with a resistor R in series, a 1K resistor of the resistor R in series is connected with a group of normally closed V1+ ends of the power supply change-over switch (1), and normally closed outgoing wires of the power supply change-over switch (1) are respectively communicated with core wires of a J1 end, a J11 end, a J12 end and a J13 end of the PROBE socket (3); the loop at the rear part of the core wire comprises a power supply change-over switch (1), a V1-is led out from the other normally closed end of the power supply change-over switch (1) and is connected with the negative electrodes of a first core wire on-off indicating light-emitting diode T1, a second core wire on-off indicating light-emitting diode T11, a third core wire on-off indicating light-emitting diode T12 and a fourth core wire on-off indicating light-emitting diode T13, and a pin 1, a pin 2, a pin 3 and a pin 4 which are connected into a USB duplex detection socket (;

the shielding wire loop is provided with a five shielding wire indicating light emitting diode S2, a six shielding wire indicating light emitting diode S21, an eight shielding wire indicating light emitting diode S22 and a nine shielding wire indicating light emitting diode S23; v2+ at the normally open end of the power supply change-over switch (1) is respectively connected with the cathodes of a five-S2 shielded line indicating LED, a six-S21 shielded line indicating LED, an eight-S22 shielded line indicating LED and a nine-S23 shielded line indicating LED, the cathodes of all the shielded line indicating LEDs are respectively and correspondingly connected with 5 pins, 6 pins, 8 pins and 9 pins of a USB duplex detection socket (4) to form a part of a circuit loop of a shielding layer, and the cathodes of a 4148 diode I D1, a 4148 diode II D2, a 4148 diode III D3 and a 4148 diode IV 4 for signal isolation among all the shielded lines are respectively connected from the V2-position of the power supply change-over switch (1); the anode of the 4148 diode I D1 is connected with the outer layer of the J1 end of the PROBE socket (3), the anode of the 4148 diode II D2 is connected with the outer layer of the J11 end of the PROBE socket (3), the anode of the 4148 diode III D3 is connected with the outer layer of the J12 end of the PROBE socket (3), and the anode of the 4148 diode IV D4 is connected with the outer layer of the J13 end of the PROBE socket (3); the negative electrode of the 4148 diode I D1 is connected in series with the positive electrode of the short-circuit indication light-emitting diode decaH 3, the negative electrode of the 4148 diode II D2 is connected in series with the positive electrode of the short-circuit indication light-emitting diode eleven H31, the negative electrode of the 4148 diode III D3 is connected in series with the positive electrode of the short-circuit indication light-emitting diode twelve H32, and the negative electrode of the 4148 diode IV D4 is connected in series with the positive electrode of the short-circuit indication light-emitting diode thirteen; the cathodes of the short circuit indication light emitting diode decaH 3, the short circuit indication light emitting diode eleven H31, the short circuit indication light emitting diode twelve H32 and the short circuit indication light emitting diode thirteen H33 are connected with the V1-of the power supply changeover switch (1);

the main line body shielding line of the feeder line is connected with the main line body shielding line from the V2+ end of the power supply changeover switch (1) to indicate the anode of the light emitting diode seven S20, the shielding line indicates that the cathode of the light emitting diode seven S20 enters the 7-pin position of the USB duplex detection socket (4), and the detected line is connected into the J-end outer layer line of the PROBE socket (3) and then forms a loop with the V2-of the power supply changeover switch (1).