CN212229139U - Automatic identification device is connected to motor - Google Patents
Automatic identification device is connected to motor Download PDFInfo
- Publication number
- CN212229139U CN212229139U CN202020687215.6U CN202020687215U CN212229139U CN 212229139 U CN212229139 U CN 212229139U CN 202020687215 U CN202020687215 U CN 202020687215U CN 212229139 U CN212229139 U CN 212229139U
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- Prior art keywords
- power supply
- motor
- identification device
- control module
- switching
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Abstract
The utility model discloses an automatic identification device for motor connection, which comprises a switching power supply, wherein the first path of the switching power supply is connected with a DC-DC power supply, a singlechip and a switch control module in sequence; wherein, the switching power supply provides 24V direct current, is connected to a DC-DC power supply and is used as the input end of the DC-DC power supply, and then the DC-DC power supply generates 3.3V power supply to be supplied to the singlechip; the PWM port of the singlechip is connected with the switch control module; the second path of the switching power supply is sequentially connected with the hanger motor, the switching control module and the sampling resistor; the output end of the sampling resistor is connected with an AIN port of the single chip microcomputer after passing through the current amplification module, and meanwhile, the sampling resistor is grounded through a resistor. The utility model discloses no matter the motor is at operating condition or leisure: reading the current of the motor in due time, and judging whether the motor is in a connection state; the real-time monitoring function of the motor connection state is realized.
Description
Technical Field
The utility model relates to a medical treatment rehabilitation equipment field, in particular to automatic identification equipment is connected to motor.
Background
The detection of medical equipment, motor connection state generally is that the singlechip reads motor module's resistance level, and when motor module connects the mainboard, the singlechip detected the high level, and when motor module and mainboard disconnection, the singlechip detected the low level.
The prior art has the following problems: 1. the motor module detects that two extra lines need to be added: 1 power line and 1 returned data line; in addition, two motor working lines of the motor are four lines; 2. when the working line of the motor is disconnected at a certain position and the line of the sampling resistor is not disconnected, the singlechip can not effectively detect the disconnection state of the motor, so that potential safety hazards are brought; 3. the motor that the motor producer provided only draws two working wires to come out usually, detects for increasing the motor state, must increase the detection line, and resistance voltage detection board to this kind of equipment of gallows, increases the wiring and can reduce user's experience, and the circuit board installation is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming and not enough, provide an automatic identification equipment is connected to motor.
The purpose of the utility model is realized through the following technical scheme:
a motor connection automatic identification device comprises a switching power supply, wherein a first path of the switching power supply is sequentially connected with a DC-DC power supply, a single chip microcomputer and a switching control module; wherein, the switching power supply provides 24V direct current, is connected to a DC-DC power supply and is used as the input end of the DC-DC power supply, and then the DC-DC power supply generates 3.3V power supply to be supplied to the singlechip; the PWM port of the singlechip is connected with the switch control module;
the second path of the switching power supply is sequentially connected with the hanger motor, the switching control module and the sampling resistor; the output end of the sampling resistor is connected with an AIN port of the single chip microcomputer after passing through the current amplification module, and meanwhile, the sampling resistor is grounded through a resistor.
The DC-DC power supply is connected to a VCC port of the singlechip; the model of the household DC-DC power supply is LM 2576-ADJ.
The single chip microcomputer comprises a common 51 chip and an ARM chip.
The switch control module is an MOS switch tube.
The MOS switching tube comprises an IRF540 and an IRF 640.
The hanger motor is a four-point electric push rod motor.
The sampling resistor is a constantan resistor, and the resistance value of the sampling resistor is 20 milliohms.
The model of the current amplification module is MAX 4080S. Signals in the millivolt range can be amplified.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
implementation of the prior art: the single chip microcomputer reads a resistance voltage value of the motor module, when the motor module is connected, the single chip microcomputer detects a high level, and when the motor module is disconnected, the single chip microcomputer detects a low level. The utility model discloses realize an automatic identification equipment is connected to motor no matter the motor is at operating condition or leisure: reading the current of the motor in due time, and judging whether the motor is in a connection state; the real-time monitoring function of the motor connection state is realized.
Drawings
Fig. 1 is a schematic structural diagram of an automatic identification device connected to a motor according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
As shown in fig. 1, an automatic identification device for motor connection comprises a switching power supply, wherein a first path of the switching power supply is sequentially connected with a DC-DC power supply, a single chip microcomputer and a switching control module; wherein, the switching power supply provides 24V direct current, is connected to a DC-DC power supply and is used as the input end of the DC-DC power supply, and then the DC-DC power supply generates 3.3V power supply to be supplied to the singlechip; the PWM port of the singlechip is connected with the switch control module;
the second path of the switching power supply is sequentially connected with the hanger motor, the switching control module and the sampling resistor; the output end of the sampling resistor is connected with an AIN port of the single chip microcomputer after passing through the current amplification module, and meanwhile, the sampling resistor is grounded through a resistor.
The DC-DC power supply is connected to a VCC port of the singlechip; the model of the household DC-DC power supply is LM 2576-ADJ.
The single chip microcomputer comprises a common 51 chip and an ARM chip.
The switch control module is an MOS switch tube.
The MOS switching tube comprises an IRF540 and an IRF 640.
The hanger motor is a four-point electric push rod motor.
The sampling resistor is a constantan resistor, and the resistance value of the sampling resistor is 20 milliohms.
The model of the current amplification module is MAX 4080S. Signals in the millivolt range can be amplified.
Specifically, the method comprises the following steps:
a motor is connected with an automatic identification device, a first path of switching power supply, a DC-DC power supply, a single chip microcomputer and a switch control module which are connected in sequence: the switching power supply provides direct current 24V, is connected to a DC-DC power supply and is used as the input end of the DC-DC power supply, and then the DC-DC power supply generates 3.3V power supply to be supplied to the singlechip; the other path of the switch power supply is connected to the hanger motor to provide working voltage for the hanger motor; when the PWM of the control port of the single chip outputs the high level of the effective level, the switch control module is conducted, the working current of the motor is 2A after the motor is connected to the hanger motor through a path from the motor to the ground through the sampling resistor, at the moment, the voltage of 0.04V is collected on the sampling resistor of 20 milliohm, the sampling voltage reaches 2.4V after being amplified by the voltage of 60 times of the current amplification module and then is transmitted to an ADC port of the single chip, namely AIN, the single chip obtains the working current of the hanger motor through reading the voltage of the AIN port and analog-to-digital conversion, at the moment, the motor is considered to be in a connection state, when one line of the motor is disconnected, as the voltage on the sampling resistor is 0V, the voltage sampled by the single chip is very close to 0V, at the moment, the motor is; when the user does not operate the motor, when the motor is in the idle state promptly, also do connection status detection to the motor, in order to let the motor not produce the displacement among the idle state detection process, the singlechip is every 10 minutes, control mouth PWM output 50 ms high level, 50 ms's operating time, the displacement of motor is the imperceptible, at this moment, sampling voltage is behind current amplification module, the singlechip reads the voltage of sampling and judges whether the motor is connected, realize the real-time supervision function to motor connection status, thereby realize a motor and connect automatic identification device.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. A motor connection automatic identification device is characterized by comprising a switching power supply, wherein a first path of the switching power supply is sequentially connected with a DC-DC power supply, a single chip microcomputer and a switching control module; wherein, the switching power supply provides 24V direct current, is connected to a DC-DC power supply and is used as the input end of the DC-DC power supply, and then the DC-DC power supply generates 3.3V power supply to be supplied to the singlechip; the PWM port of the singlechip is connected with the switch control module;
the second path of the switching power supply is sequentially connected with the hanger motor, the switching control module and the sampling resistor; the output end of the sampling resistor is connected with an AIN port of the single chip microcomputer after passing through the current amplification module, and meanwhile, the sampling resistor is grounded through a resistor.
2. The automatic identification device of motor connection according to claim 1, wherein the DC-DC power supply is connected to a VCC port of a single chip microcomputer; the model of the DC-DC power supply is LM 2576-ADJ.
3. The automatic identification device for motor connection according to claim 1, wherein the single chip microcomputer comprises a common 51 chip and an ARM chip.
4. The device for automatically identifying motor connection according to claim 1, wherein the switch control module is an MOS switch tube.
5. The automatic motor connection identification device according to claim 4, wherein the MOS switching tube is provided with models including IRF540 and IRF 640.
6. The motor connection automatic identification device of claim 1, wherein the hanger motor is a four-point electric push rod motor.
7. The motor connection automatic identification device according to claim 1, wherein the sampling resistor is a constantan resistor having a resistance of 20 milliohms.
8. The device for automatically identifying motor connection according to claim 1, wherein the model of the current amplification module is MAX 4080S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687215.6U CN212229139U (en) | 2020-04-29 | 2020-04-29 | Automatic identification device is connected to motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687215.6U CN212229139U (en) | 2020-04-29 | 2020-04-29 | Automatic identification device is connected to motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212229139U true CN212229139U (en) | 2020-12-25 |
Family
ID=73909299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020687215.6U Expired - Fee Related CN212229139U (en) | 2020-04-29 | 2020-04-29 | Automatic identification device is connected to motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212229139U (en) |
-
2020
- 2020-04-29 CN CN202020687215.6U patent/CN212229139U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |