CN212874577U - Medical equipment battery detection circuitry - Google Patents
Medical equipment battery detection circuitry Download PDFInfo
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- CN212874577U CN212874577U CN202021737190.2U CN202021737190U CN212874577U CN 212874577 U CN212874577 U CN 212874577U CN 202021737190 U CN202021737190 U CN 202021737190U CN 212874577 U CN212874577 U CN 212874577U
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- 238000001514 detection method Methods 0.000 title claims abstract description 52
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 23
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013543 active substance Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to the field of medical equipment, especially, relate to a medical equipment battery detection circuitry. The utility model provides a small, medical equipment battery detection circuitry that portability is strong. In order to solve the technical problem, the medical equipment battery detection circuit comprises a USB interface, a lithium battery, a battery voltage detection and indicator light set and the like; the output of USB interface is connected with the input of lithium cell, the output of lithium cell is connected with the input that battery voltage detected, the output that battery voltage detected is connected with the input of pilot lamp group. The utility model discloses a USB interface, lithium cell, battery voltage detect and the effect of pilot lamp group, detect battery voltage to make its electric quantity condition that the condition of lighting through emitting diode represent the battery, the user can be through observing in the pilot lamp group, and the electric quantity condition that the battery was judged to emitting diode's the condition of lighting, so that in time change the battery, or charge operation.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a medical equipment battery detection circuitry.
Background
With the development and progress of science and technology, the miniaturization of medical equipment, many medical equipment begin to use batteries as power supply equipment, however, the batteries as power supply equipment may be over-discharged, when the batteries are over-discharged, electrode active substances may be damaged, reaction capability may be lost, the service life of the batteries may be shortened, irreversible damage may be caused, and the leakage of liquid inside the batteries may occur seriously, which may damage the medical equipment.
In the prior art, for example, patent publication No. CN204116512U discloses a battery detection circuit, which is characterized by comprising: a power source; a detection unit; a stable voltage providing unit; a comparison unit; the display unit, which is capable of detecting the battery discharge, is too bulky as a whole, and is not suitable for small medical equipment, and is not very portable.
Therefore, a battery detection circuit for medical equipment, which is small in size and highly portable, is particularly needed to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
Too bulky in order to overcome the device, be not suitable for miniature medical equipment, shortcoming that portability is also not strong enough, the utility model discloses a technical problem does: the battery detection circuit of the medical equipment is small in size and high in portability.
The utility model provides a medical equipment battery detection circuitry, is including USB interface, lithium cell, battery voltage detection and pilot lamp group, the output of USB interface is connected with the input of lithium cell, the output of lithium cell is connected with the input that battery voltage detected, the output that battery voltage detected is connected with the input of pilot lamp group.
In addition, it is particularly preferable that the lithium battery further comprises an under-voltage detection circuit, an input end of the under-voltage detection circuit is connected with an output end of the lithium battery, and whether the battery is under-voltage or not can be detected through the under-voltage detection circuit.
In addition, it is particularly preferable that the under-voltage protection circuit further comprises an output control circuit, wherein an input end of the output control circuit is connected with an output end of the under-voltage detection circuit, and the output control circuit can cut off the circuit when the battery is under-voltage so as to prevent over-discharge.
In addition, it is particularly preferable that the USB interface, the lithium battery, the battery voltage detection and indication lamp set includes an LM324 (U1), a TL431-1 (U2), a USB (U3), a first capacitor C1, an electrolytic capacitor EC1, a battery BT1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a light emitting diode VD1, a light emitting diode VD2, a light emitting diode VD3, and a light emitting diode VD4, wherein the 1 and 4 pins of the USB (U3) are connected in parallel with the first capacitor C1, the electrolytic capacitor EC1, and the battery BT1, the 1 pin of the USB (U1) is connected to an electric power source terminal +4.2V, the 1 pin of the LM324 (U1) is connected to the positive electrode of the light emitting diode VD1, the negative electrode of the light emitting diode VD1 is connected to the ground, and the cathode pins LM324 (U3613, U1) and the LM 1 (U1) and the cathode pins of the LM324 (U1), the cathode of the TL431-1 (U2) is respectively connected with the reference pole of the TL431-1 (U2) and one end of a first resistor R1, the anode of the TL431-1 (U2) is grounded, the other end of the first resistor R1 is respectively connected with 1 pin of USB (U3) and one end of a second resistor R2, the other end of the second resistor R2 is respectively connected with one end of a third resistor R3 and 3 pins of LM324 (U1), the other end of the third resistor R3 is respectively connected with one end of a fourth resistor R4 and 5 pins of LM324 (U1), the other end of the fourth resistor R4 is respectively connected with one end of a fifth resistor R5 and 10 pins of LM324 (U1), the other end of the fifth resistor R5 is respectively connected with one end of a sixth resistor 46r 45 and 12 pins of LM324 (U1), the other end of the sixth resistor R5 is respectively connected with the positive pin of the LM 585737, the positive pin of the light emitting diode (VD 57323), the negative pole ground connection of emitting diode VD2, the 8 feet of LM324 (U1) are connected with emitting diode VD 3's positive pole, emitting diode VD 3's negative pole ground connection, the 14 feet of LM324 (U1) are connected with emitting diode VD 4's positive pole, emitting diode VD 4's negative pole ground connection, the 4 feet of LM324 (U1) are connected to power supply end +4.2V, the 11 feet ground connection of LM324 (U1).
In addition, it is particularly preferable that the under-voltage detection circuit includes a diode D1, a diode D2, a diode D3, and an MD70XX (U4), wherein the anode of the diode D1 is connected to the power supply terminal +4.2V, the cathode of the diode D1 is connected to the anode of the diode D2, the cathode of the diode D2 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the 2-pin of the MD70XX (U4), the 3-pin of the MD70XX (U4) is grounded, and the 1-pin of the MD70XX (U4) is connected to the output control circuit.
In addition, it is particularly preferable that the output control circuit includes a MOS transistor D4, a gate of the MOS transistor D4 is connected to pin 1 of MD70XX (U4), a source of the MOS transistor D4 is connected to a power supply terminal +4.2V, and a drain of the MOS transistor D4 outputs a voltage.
The beneficial effects of the utility model, compare with prior art and have following advantage: the utility model detects the battery voltage through the functions of the USB interface, the lithium battery, the battery voltage detection and the indicating lamp group, and the electric quantity condition of the battery is represented through the lighting condition of the light-emitting diode; whether the battery is under-voltage or not can be detected through the action of the under-voltage detection circuit; through the effect of output control circuit, can prevent the overdischarge at the shutdown circuit of battery undervoltage.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Wherein the figures include the following reference numerals: 1. USB interface, 2, lithium cell, 3, battery voltage detect, 4, pilot lamp group, 5, undervoltage detection circuit, 6, output control circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
The utility model provides a medical equipment battery detection circuitry, as shown in figure 1, including USB interface 1, lithium cell 2, battery voltage detection 3 and pilot lamp group 4, USB interface 1's output is connected with lithium cell 2's input, lithium cell 2's output and battery voltage detection 3's input are connected, battery voltage detection 3's output is connected with pilot lamp group 4's input.
After the medical equipment battery detection circuit is powered on, the battery voltage is detected through the battery voltage detection 3, when the battery is fully charged, namely 100% of the state, 4 light emitting diodes in the indicator lamp set 4 are all lightened, when the battery power is 75%, 3 of the 4 light emitting diodes in the indicator lamp set 4 are lightened, when the battery power is 50%, 2 of the 4 light emitting diodes in the indicator lamp set 4 are lightened, when the battery power is 25%, 1 of the 4 light emitting diodes in the indicator lamp set 4 is lightened, when the battery power is 0%, 0 of the 4 light emitting diodes in the indicator lamp set 4 is lightened, and a user can judge the power condition of the battery by observing the lightening condition of the light emitting diodes in the indicator lamp set 4 so as to replace the battery in time or carry out charging operation.
Example 2
On the basis of embodiment 1, as shown in fig. 1, the lithium battery further includes an under-voltage detection circuit 5, an input end of the under-voltage detection circuit 5 is connected with an output end of the lithium battery 2, and whether the battery is under-voltage can be detected through the under-voltage detection circuit 5.
The undervoltage detection circuit 5 may detect whether the battery is undervoltage.
Example 3
On the basis of embodiment 2, as shown in fig. 2, the under-voltage protection circuit further includes an output control circuit 6, an input end of the output control circuit 6 is connected to an output end of the under-voltage detection circuit 5, and the output control circuit 6 can cut off the circuit when the battery is under-voltage, so as to prevent over-discharge.
The output control circuit 6 can cut off the circuit when the battery is under-voltage, so as to prevent over-discharge.
The USB interface 1, the lithium battery 2, the battery voltage detection 3 and the indicator light set 4 comprise an LM324 (U1), a TL431-1 (U2), a USB (U3), a first capacitor C1, an electrolytic capacitor EC1, a battery BT1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a light emitting diode VD1, a light emitting diode VD2, a light emitting diode 86VD 27 and a light emitting diode 86VD 28, wherein the 1 pin and the 4 pin of the USB (U3) are connected in parallel with the first capacitor C1, the electrolytic capacitor EC1 and the battery BT1, the 1 pin of the USB (U1) is connected with an electric power supply end 4.2V, the 1 pin of the LM324 (U1) is connected with the positive electrode of the light emitting diode VD1, the negative electrode of the light emitting diode VD1 is grounded, the LM 2 pin 324 and the cathode pin (LM 431) of the U1 (U1) is connected with the negative electrode (LM 431-3, the negative electrode (U1) and the negative electrode (LM 1) of the LM 1, the pin, the cathode of the TL431-1 (U2) is respectively connected with the reference pole of the TL431-1 (U2) and one end of a first resistor R1, the anode of the TL431-1 (U2) is grounded, the other end of the first resistor R1 is respectively connected with 1 pin of USB (U3) and one end of a second resistor R2, the other end of the second resistor R2 is respectively connected with one end of a third resistor R3 and 3 pins of LM324 (U1), the other end of the third resistor R3 is respectively connected with one end of a fourth resistor R4 and 5 pins of LM324 (U1), the other end of the fourth resistor R4 is respectively connected with one end of a fifth resistor R5 and 10 pins of LM324 (U1), the other end of the fifth resistor R5 is respectively connected with one end of a sixth resistor 46r 45 and 12 pins of LM324 (U1), the other end of the sixth resistor R5 is respectively connected with the positive pin of the LM 585737, the positive pin of the light emitting diode (VD 57323), the negative pole ground connection of emitting diode VD2, the 8 feet of LM324 (U1) are connected with emitting diode VD 3's positive pole, emitting diode VD 3's negative pole ground connection, the 14 feet of LM324 (U1) are connected with emitting diode VD 4's positive pole, emitting diode VD 4's negative pole ground connection, the 4 feet of LM324 (U1) are connected to power supply end +4.2V, the 11 feet ground connection of LM324 (U1).
The undervoltage detection circuit 5 comprises a diode D1, a diode D2, a diode D3 and an MD70XX (U4), wherein the anode of the diode D1 is connected to +4.2V, the cathode of the diode D1 is connected to the anode of the diode D2, the cathode of the diode D2 is connected to the anode of the diode D3, the cathode of the diode D3 is connected to the 2-pin of the MD70XX (U4), the 3-pin of the MD70XX (U4) is grounded, and the 1-pin of the MD70XX (U4) is connected to the output control circuit 6.
The output control circuit 6 comprises a MOS transistor D4, the gate of the MOS transistor D4 is connected to pin 1 of MD70XX (U4), the source of the MOS transistor D4 is connected to a power supply terminal +4.2V, and the drain of the MOS transistor D4 outputs a voltage.
After the battery detection circuit of the medical equipment is powered on, a reference voltage is set through TL431-1 (U2) in the battery voltage detection circuit 3, and the battery voltage is compared with the reference voltage, so as to achieve the purpose of detecting the battery voltage, when the battery is fully charged, namely 100% state, 4 light emitting diodes in the indicator lamp set 4 are all lighted, when the battery capacity is 75%, 3 of the 4 light emitting diodes in the indicator lamp set 4 are lighted, when the battery capacity is 50%, 2 of the 4 light emitting diodes in the indicator lamp set 4 are lighted, when the battery capacity is 25%, 1 of the 4 light emitting diodes in the indicator lamp set 4 are lighted, when the battery capacity is 0%, 0 of the 4 light emitting diodes in the indicator lamp set 4 is lighted, at the moment, the undervoltage detection circuit 5 detects that the battery is in an undervoltage state, a low level is output through MD70XX (U4), and the grid of an MOS tube D4, the MOS tube D4 is cut off immediately, the purpose of cutting off the circuit and preventing overdischarge can be achieved, otherwise, the undervoltage detection circuit 5 detects that the battery is not in an undervoltage state, a high level is output through the MD70XX (U4) to the grid electrode of the MOS tube D4, the MOS tube D4 is switched on immediately, the circuit outputs voltage normally, and meanwhile, a user can judge the electric quantity condition of the battery by observing the lighting condition of the light-emitting diode in the indicator lamp group 4 so as to replace the battery in time or carry out charging operation.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The utility model provides a medical equipment battery detection circuitry, includes USB interface (1), lithium cell (2) and battery voltage detection (3), the output of USB interface (1) is connected with the input of lithium cell (2), the output of lithium cell (2) is connected with the input of battery voltage detection (3), characterized by, still including pilot lamp group (4), the output of battery voltage detection (3) is connected with the input of pilot lamp group (4).
2. The medical equipment battery detection circuit according to claim 1, further comprising an undervoltage detection circuit (5), wherein an input end of the undervoltage detection circuit (5) is connected with an output end of the lithium battery (2), and whether the battery is undervoltage can be detected through the undervoltage detection circuit (5).
3. A battery test circuit for medical equipment according to claim 2, further comprising an output control circuit (6), wherein the input of the output control circuit (6) is connected to the output of the undervoltage test circuit (5), and the output control circuit (6) is used to cut off the circuit when the battery is undervoltage, thereby preventing overdischarge.
4. The battery detection circuit for medical equipment according to claim 3, wherein the USB interface (1), the lithium battery (2), the battery voltage detection (3) and the indicator light set (4) comprise an LM324 (U1), a TL431-1 (U2), a USB (U3), a first capacitor C1, an electrolytic capacitor EC1, a battery BT1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a light emitting diode VD1, a light emitting diode VD2, a light emitting diode VD3 and a light emitting diode VD4, wherein the 1 and 4 feet of the USB 3 are connected in parallel with the first capacitor C1, the electrolytic capacitor EC1 and the battery BT1, the 1 foot of the USB (U3) is connected with an electric power +4.2V, the 1 foot of the LM (U1) is connected with an anode 1 of the light emitting diode, and the cathode foot of the LM 1 and the light emitting diode VD1 is connected with a cathode 1 and a cathode of the LM 368746 of the light emitting diode VD1, Pins 9 and 13 are connected, pin 2 of the LM324 (U1) is connected to the cathode of TL431-1 (U2), the cathode of TL431-1 (U2) is connected to the reference pole of TL431-1 (U2) and one end of a first resistor R1, the anode of TL431-1 (U2) is grounded, the other end of the first resistor R1 is connected to pin 1 of USB (U3) and one end of a second resistor R2, the other end of the second resistor R2 is connected to one end of a third resistor R3 and pin 3 of LM324 (U1), the other end of the third resistor R3 is connected to one end of a fourth resistor R4 and pin 5 of LM324 (U6384), the other end of the fourth resistor R4 is connected to one end of a fifth resistor R5 and pin 10 of LM 1, the other end of the fifth resistor R5 is connected to pin 5 of LM 3723 and the other end of the sixth resistor R6 and the other end of the LM 3724 (U3557312), the 7 feet of LM324 (U1) are connected with emitting diode VD 2's positive pole, emitting diode VD 2's negative pole ground connection, the 8 feet of LM324 (U1) are connected with emitting diode VD 3's positive pole, emitting diode VD 3's negative pole ground connection, the 14 feet of LM324 (U1) are connected with emitting diode VD 4's positive pole, emitting diode VD 4's negative pole ground connection, the 4 feet of LM324 (U1) connect power supply end +4.2V, the 11 feet of LM324 (U1) ground connection.
5. The battery detection circuit of a medical device according to claim 4, wherein the under-voltage detection circuit (5) comprises a diode D1, a diode D2, a diode D3 and an MD70XX (U4), the anode of the diode D1 is connected with the power supply terminal +4.2V, the cathode of the diode D1 is connected with the anode of the diode D2, the cathode of the diode D2 is connected with the anode of the diode D3, the cathode of the diode D3 is connected with the 2-pin of the MD70XX (U4), the 3-pin of the MD70XX (U4) is grounded, and the 1-pin of the MD70XX (U4) is connected with the output control circuit (6).
6. The medical equipment battery detection circuit according to claim 5, wherein the output control circuit (6) comprises a MOS transistor D4, the gate of the MOS transistor D4 is connected with pin 1 of MD70XX (U4), the source of the MOS transistor D4 is connected with a power supply terminal +4.2V, and the drain of the MOS transistor D4 outputs voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737190.2U CN212874577U (en) | 2020-08-19 | 2020-08-19 | Medical equipment battery detection circuitry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021737190.2U CN212874577U (en) | 2020-08-19 | 2020-08-19 | Medical equipment battery detection circuitry |
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| Publication Number | Publication Date |
|---|---|
| CN212874577U true CN212874577U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021737190.2U Active CN212874577U (en) | 2020-08-19 | 2020-08-19 | Medical equipment battery detection circuitry |
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|---|---|
| CN (1) | CN212874577U (en) |
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2020
- 2020-08-19 CN CN202021737190.2U patent/CN212874577U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231024 Address after: 198-4 Honghui Road, Yuhong District, Shenyang City, Liaoning Province, 110000 Patentee after: Zhongke Weijian (Liaoning) Medical Equipment Co.,Ltd. Address before: 510000 818, 4th floor, Yufeng business center, No.2 Jinghu Avenue, Huadu District, Guangzhou City, Guangdong Province Patentee before: Shi Chengcai |
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| TR01 | Transfer of patent right |