CN218888206U - Power supply circuit system - Google Patents

Abstract

The utility model discloses a power supply circuit system, include: the input end of the first power supply is connected to a mains supply line; a battery; the input end of the second power supply and the input end of the third power supply are both electrically connected with the storage battery; and the redundancy module comprises a first input end, a second input end and a redundancy output end, the first input end is electrically connected with the output end of the first power supply, the output end of the second power supply and the output end of the third power supply are electrically connected with the same second input end, and the redundancy output end is electrically connected with the load. The embodiment of the utility model discloses supply circuit system to when realizing that the commercial power is not expert at or unexpected outage, automatic switch-over to the battery power supply guarantees equipment part function normal operating, adopts the battery to correspond two power supply simultaneously, has reduced because of the unable possibility of moving of power supply trouble lead to equipment.

Description

Power supply circuit system

Technical Field

The utility model relates to a power switches technical field, especially relates to a power supply circuit system.

Background

The minimally invasive surgery technology improves the surgery diagnosis and treatment technology in an epoch-spanning way, has the advantages of small wound, light pain and quick recovery, but can cause surgery interruption and the separation of surgery equipment from a patient if accidental power failure occurs in the surgery process, and seriously harms the life safety of the patient.

When the existing surgical equipment faces the condition that the mains supply is powered off, in order to ensure the normal operation of partial functions of the equipment, an inverter is generally adopted to switch a power supply mode, the response time is longer, the first-stage conversion is not adopted, and the energy efficiency is lower. Meanwhile, the existing surgical equipment is usually provided with only one group of standby power supplies, and the situation that the equipment cannot operate due to the failure of the standby power supplies cannot be met.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a supply circuit system to can automatic switch-over to the battery power supply when realizing not having the commercial power, guarantee the normal operating of equipment part function, the two power supply that storage battery set corresponds simultaneously has reduced because of the unable possibility of moving of power supply failure results in equipment.

In a first aspect, the present invention provides a power supply circuit system, including:

the input end of the first power supply is connected to a mains supply line;

a storage battery;

the input end of the second power supply and the input end of the third power supply are both electrically connected with the storage battery;

the redundancy module comprises a first input end, a second input end and a redundancy output end, the first input end is electrically connected with the output end of the first power supply, the output end of the second power supply and the output end of the third power supply are electrically connected with the same second input end, and the redundancy output end is electrically connected with a load.

Optionally, the input voltage of the first power supply is 220V, and the output voltage is 24V;

the input voltage of the second power supply is 48V, and the output voltage of the second power supply is 24V;

the input voltage of the third power supply is 48V, and the output voltage of the third power supply is 24V.

Optionally, the power supply circuit system further comprises a charger, an input end of the charger is connected to the mains supply line, and an output end of the charger is electrically connected to the storage battery.

Optionally, the power supply circuit system further includes a first contact switch, a second contact switch, and a third contact switch; the first contact switch is connected in the mains supply line; the second contact switch is connected between the storage battery and the second power supply; the third contact switch is connected between the storage battery and the third power supply source.

Optionally, the control end of the first contact switch, the control end of the second contact switch, and the control end of the third contact switch are all electrically connected to the battery.

Optionally, the power supply circuit system further includes an emergency stop switch, and the emergency stop switch is connected in a loop where the control end of the first contact switch, the control end of the second contact switch, and the control end of the third contact switch are located.

Optionally, the storage battery includes a first storage battery and a second storage battery, the first storage battery is electrically connected to the input end of the second power supply, and the second storage battery is electrically connected to the input end of the third power supply.

Optionally, the power supply circuit system further includes a driver, and the driver is electrically connected to the storage battery;

the power supply circuit system further comprises a first diode and a second diode, wherein the anode of the first diode is electrically connected with the storage battery, and the cathode of the first diode is electrically connected with the driver;

and the anode of the second diode is electrically connected with the storage battery, and the cathode of the second diode is electrically connected with the driver.

Optionally, the power supply circuit system further includes a third diode and a fourth diode, an anode of the third diode is electrically connected to the second power supply, and a cathode of the third diode is electrically connected to the second input terminal;

and the anode of the fourth diode is electrically connected with the third power supply, and the cathode of the fourth diode is electrically connected with the second input end.

The utility model provides a power supply circuit system, include: the input end of the first power supply is connected to a mains supply line; a storage battery; the input end of the second power supply and the input end of the third power supply are both electrically connected with the storage battery; and the redundancy module comprises a first input end, a second input end and a redundancy output end, the first input end is electrically connected with the output end of the first power supply, the output end of the second power supply and the output end of the third power supply are electrically connected with the same second input end, and the redundancy output end is electrically connected with a load. Can the automatic switch-over to the battery power supply when the commercial power outage, for surgical equipment provides stand-by power supply, guarantee that partial function of equipment can normal operating, make the patient can in time withdraw surgical equipment, conveniently take other remedial measures, reduce the possibility that the patient has life danger, the two power supply that the battery corresponds simultaneously has reduced because of the unable possibility of moving of power supply fault lead to equipment.

Drawings

Fig. 1 is a circuit diagram of a power supply circuit system according to an embodiment of the present invention;

fig. 2 is a circuit diagram of another power supply circuit system according to an embodiment of the present invention;

fig. 3 is a circuit diagram of another power supply circuit system according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present invention are described in terms of the drawings, and should not be construed as limiting the embodiments of the present invention. In addition, in this context, it is also to be understood that when an element is referred to as being "on" or "under" another element, it can be directly formed on "or" under "the other element or be indirectly formed on" or "under" the other element through an intermediate element. The terms "first," "second," and the like, are used for descriptive purposes only and not for purposes of limitation, and do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The term "include" and its variants as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment".

It should be noted that the terms "first", "second", and the like in the present invention are only used for distinguishing the corresponding contents, and are not used for limiting the order or interdependence relationship.

It is noted that references to "a", "an", and "the" in the present disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that reference to "one or more" unless the context clearly dictates otherwise.

Fig. 1 is a circuit diagram of a power supply circuit system provided by an embodiment of the present invention, as shown in fig. 1, the circuit includes: the system comprises a first power supply 10, a storage battery 20, a second power supply 40, a third power supply 160 and a redundant module 30. The input end of the first power supply 10 is connected to the mains supply line; the input end of the second power supply 40 and the input end of the third power supply 160 are both electrically connected with the storage battery 20; the redundancy module 30 includes a first input terminal electrically connected to the output terminal of the first power supply 10, a second input terminal electrically connected to the output terminal of the second power supply 40 and the output terminal of the third power supply 160, and a redundancy output terminal electrically connected to the load.

Specifically, referring to fig. 1, the main switch 120 is closed, the circuit is turned on, when there is commercial power, the voltage provided by the commercial power supply line is input to the first power supply 10 from the input terminal of the first power supply 10 along the power supply line, and after conversion, the voltage is transmitted from the output terminal of the first power supply 10 to the first input terminal of the redundancy module 30, and the redundancy module 30 selects to transmit the voltage to the load through the redundancy output terminal to supply power to the load; when no commercial power is available, the voltage output by the storage battery 20 is transmitted to the input end of the second power supply 40 and the input end of the third power supply 160 through the splitter 140, and after conversion, the voltage is transmitted to the second input end of the redundancy module 30 from the output end of the second power supply 40 and the output end of the third power supply 160, and the redundancy module 30 selects to transmit the voltage to the load through the redundancy output end to supply power to the load.

The embodiment of the utility model provides a power supply circuit system, which comprises a first power supply, wherein the input end of the first power supply is connected with a mains supply line; a storage battery; the input end of the second power supply and the input end of the third power supply are both electrically connected with the storage battery; and the redundancy module comprises a first input end, a second input end and a redundancy output end, the first input end is electrically connected with the output end of the first power supply, the output end of the second power supply and the output end of the third power supply are electrically connected with the same second input end, and the redundancy output end is electrically connected with a load. Can automatic switch to the battery power supply when the commercial power outage, for surgical equipment provides stand-by power supply, guarantee that partial function of equipment can normal operating, make the patient can in time withdraw surgical equipment, conveniently take other remedial measures, reduce the possibility that the patient has life danger, the two power supply that the battery corresponds simultaneously has reduced because of the unable possibility of moving of power supply trouble lead to equipment.

Optionally, referring to fig. 1, the power supply circuit system further includes three parallel 220V to 24V power supplies 150, and the input terminals of the three parallel power supplies are connected to the mains power supply line, and are used for supplying power to other loads such as an operation lamp when the main switch 120 is closed and the mains power is supplied. The power supply circuit system further comprises three circuit breakers 130, wherein input ends of the circuit breakers 130 are respectively connected with the mains supply line and the storage battery 20, and the circuit breakers 130 are used for being disconnected under the condition that a circuit is short-circuited and high in current to protect the circuit.

Exemplarily, referring to fig. 1, the mains supply line comprises a live line L and a neutral line N.

Optionally, the input voltage of the first power supply 10 is 220V, and the output voltage is 24V; the input voltage of the second power supply 40 is 48V, and the output voltage is 24V; the input voltage of the third power supply 160 is 48V, and the output voltage is 24V.

Specifically, referring to fig. 1, since the working voltage of the load is 24V, the main switch 120 is closed, when there is commercial power, the 220V voltage provided by the commercial power supply line is input to the first power supply 10 from the input end of the first power supply 10, is converted into 24V voltage by the first power supply 10, and is transmitted to the subsequent redundant module 30 from the output end of the first power supply 10, and the first input end of the redundant module 30 selectively receives the voltage and transmits the voltage to the load through the redundant output end, so as to provide the working voltage to the load; when no commercial power is available, the 48V voltage provided by the battery 20 is input to the input ends of the second power supply 40 and the third power supply 160, and after passing through the second power supply 40 and the third power supply 160, the voltage is converted into 24V voltage, and the 24V voltage is output to the redundancy module 30 through the output end thereof, the second input end of the redundancy module 30 selectively receives the voltage, and transmits the voltage to the load through the redundancy output end, so as to provide working voltage for the load, and by arranging two power supplies: the second power supply 40 and the third power supply 160, when one of them fails, the storage battery 20 can still provide voltage for the subsequent redundant module 30 and the load through the other power supply, so that the possibility of the equipment being unable to operate due to the failure of the power supplies is reduced.

Optionally, the power supply circuit system further includes a charger 50, an input end of the charger 50 is connected to the mains supply line, and an output end of the charger 50 is electrically connected to the storage battery 20.

Specifically, referring to fig. 1, when there is commercial power, the 220V voltage provided by the commercial power supply line is input from the input terminal of the charger 50, and after being converted into 48V voltage by the charger 50, the voltage is output from the output terminal to the storage battery 20 to charge the storage battery.

Optionally, the power supply circuit system further includes a first contact switch 60, a second contact switch 70, and a third contact switch 170; the first contact switch 60 is connected in the mains supply line; the second contact switch 70 is connected between the battery 20 and the second power supply 40; the third contact switch 170 is connected between the battery 20 and the third power supply 160.

Specifically, referring to fig. 1, the first contact switch 60 is connected to a mains supply line, and when the first contact switch 60 is disconnected, the corresponding mains supply line is disconnected, and at this time, the mains supply line is the subsequent first power supply 10, and the voltage provided by the redundant module 30 and the load is 0; the second contact switch 70 is connected between the storage battery 20 and the redundant module 30, when the second contact switch 70 is disconnected, the circuit between the corresponding storage battery 20 and the redundant module 30 is disconnected, and at this time, the storage battery 20 provides the voltage of 0 for the subsequent second power supply 40, the redundant module 30 and the load; the third contact switch 170 is connected between the battery 20 and the third power supply 160, when the third contact switch 170 is disconnected, the corresponding circuit between the battery 20 and the third power supply 160 is disconnected, and at this time, the voltage provided by the battery 20 for the subsequent third power supply 160, the redundant module 30, and the load is 0.

Optionally, the control terminal 61 of the first contact switch 60, the control terminal 71 of the second contact switch 70, and the control terminal 171 of the third contact switch 170 are all electrically connected to the battery 20.

Specifically, referring to fig. 1, a control terminal of the first contact switch 60 is indicated by reference numeral 61, a control terminal of the second contact switch 70 is indicated by reference numeral 71, and a control terminal of the third contact switch 170 is indicated by reference numeral 171. And the control terminal 61 of the first contact switch 60, the control terminal 71 of the second contact switch 70 and the control terminal 171 of the third contact switch 170 are individually indicated in one control loop. The control end 61 of the first contact switch 60, the control end 71 of the second contact switch 70, and the control end 171 of the third contact switch 170 are all electrically connected to the battery 20, the main switch 120 is closed, when the circuit is in a conducting state, the battery 20 supplies power to the control loop, and the control end 61 of the first contact switch 60, the control end 71 of the second contact switch 70, and the control end 171 of the third contact switch 170 receive a voltage signal provided by the battery 20 to control the first contact switch 60, the second contact switch 70, and the third contact switch 170 to be in a conducting state. It should be noted that the on/off of the first contact switch 60, the second contact switch 70 and the third contact switch 170 is not controlled by the mains.

Optionally, the power supply circuit system further includes an emergency stop switch 80, and the emergency stop switch 80 is connected in a loop including the control terminal 61 of the first contact switch 60, the control terminal 71 of the second contact switch 70, and the control terminal 171 of the third contact switch 170.

Specifically, referring to fig. 1, in order to stop the operation of the device immediately and prevent damage or loss expansion under any condition, the power supply circuit system further includes an emergency stop switch 80, the emergency stop switch 80 is pressed, the emergency stop switch 80 is turned off, the voltage signals received by the control terminal 61 of the first contact switch 60, the control terminal 71 of the second contact switch 70, and the control terminal 171 of the third contact switch 170 are 0, accordingly, the first contact switch 60, the second contact switch 70, and the third contact switch 170 are turned off, the whole circuit is further turned off, and weak electric control strong electric power is adopted, so that the emergency stop effect is achieved.

Optionally, the power supply circuit system further includes an ac filter 110, the ac filter 110 is connected to a mains supply line, and an input end of the first power supply 10 is electrically connected to an output end of the ac filter 110.

Specifically, because the existence of electromagnetic noise in the power can make electronic equipment receive the interference, lead to the work unusual, in order to guarantee the precision of medical electronic equipment work, supply circuit system still includes alternating current filter 110, connects in the mains supply line, and the voltage that the mains supply line provided is input from its input, after effective filtering, exports to first power supply 10 from its output, provides comparatively pure power for follow-up circuit.

Fig. 2 is a circuit diagram of another power supply circuit system according to an embodiment of the present invention, and as shown in fig. 2, the battery 20 includes a first battery 21 and a second battery 22, the first battery 21 is electrically connected to an input terminal of the second power supply 40, and the second battery 22 is electrically connected to an input terminal of the third power supply 160.

Specifically, referring to fig. 2, when there is no commercial power, the voltage output by the first battery 21 is input to the second power supply 40 from the input terminal of the second power supply 40, and is output to the subsequent redundant module 30 and the load after conversion, so as to provide a working voltage for the subsequent redundant module 30 and the load; the voltage output by the second battery 22 is input to the third power supply 160 from the input terminal of the third power supply 160, and is output to the subsequent redundant module 30 and the load after conversion, so as to provide the working voltage for the subsequent redundant module and the load. By providing redundant dual battery packs and corresponding dual power supplies, when one battery or power supply fails, the other battery and power supply can still output voltage and provide operating voltage to the load through the redundant module 30. The possibility that the equipment cannot operate due to the failure of the storage battery or the power supply is reduced.

Optionally, the power supply circuit system further includes a driver 100, and the driver 100 is electrically connected to the storage battery;

the power supply circuit system further comprises a first diode 181 and a second diode 182, wherein the anode of the first diode 181 is electrically connected with the storage battery, and the cathode of the first diode is electrically connected with the driver 100;

the anode of the second diode 182 is electrically connected to the battery, and the cathode of the second diode 182 is electrically connected to the driver 100.

Specifically, referring to fig. 2, the operating voltage of the driver 100 is 48V, the first battery 21 and the second battery 22 supply power, the dc filter 90 is disposed in front of the driver 100, so as to prevent the driver 100 from interfering with the power supply circuit system, thereby improving the stability of the system, meanwhile, because the first battery 21 and the second battery 22 are connected in parallel in the circuit, when the driver 100 is powered in actual operation, the output 48V voltage is often interfered by various factors, which results in unequal voltage values output by the two batteries, in order to prevent one of the two batteries from reversely inputting to the other battery, the embodiment of the present invention further provides the first diode 181 and the second diode 182, the anode of the first diode 181 is electrically connected to the first battery 21, the anode of the second diode 182 is electrically connected to the second battery 22, the cathode of the second diode is electrically connected to the driver 100, and the unidirectional conduction property of the diodes is utilized, so that the output voltage of the batteries passes through the diodes and then is unidirectionally output to the driver 100 through the splitter 140, thereby preventing the two batteries from being charged.

Optionally, the power supply circuit system further includes a third diode 183 and a fourth diode 184, an anode of the third diode 183 is electrically connected to the second power supply 40, and a cathode of the third diode 183 is electrically connected to the second input terminal;

the anode of the fourth diode 184 is electrically connected to the third power supply 160, and the cathode of the fourth diode 184 is electrically connected to the second input terminal.

Specifically, referring to fig. 2, the second power supply 40 is connected in parallel with the third power supply 160, and the two power supplies respectively output after converting the 48V voltage into the 24V voltage, because in actual operation, the voltage is easily interfered by various factors, therefore the voltage magnitude output by the two power supplies cannot be completely consistent, in order to prevent one of the power supplies from reversely inputting to the other, the embodiment of the present invention further provides a third diode 183 and a fourth diode 184, the anode of the third diode 183 is electrically connected to the second power supply 40, the anode of the fourth diode 184 is electrically connected to the third power supply 160, the cathode thereof is electrically connected to the second input end, and the diode is used for conducting electricity in one direction, so that the voltage is output to the redundant module 30 in one direction, and the two power supplies are prevented from being charged mutually.

Fig. 3 is a circuit diagram of another power supply circuit system provided by the embodiment of the present invention, as shown in fig. 3, the circuit includes a first charger 51 and a second charger 52, the input ends of which are both connected to the mains power supply line, the output end of the first charger 51 is electrically connected to the first storage battery 21, and the output end of the second charger 52 is electrically connected to the second storage battery 22. When the main switch 120 is closed, the circuit is turned on, at this time, the 220V voltage provided by the mains supply line is transmitted from the mains supply line to the input ends of the first charger 51 and the second charger 52, and is converted into the 48V voltage by the first charger 51 and the second charger 52, and the two chargers charge the first storage battery 21 and the second storage battery 22 respectively at the same time, so that the charging voltage is ensured, the charging speed is increased, and the possibility that the equipment cannot operate due to the failure of the chargers is reduced when only one charger is provided.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (9)

1. A power supply circuit system, comprising:

the input end of the first power supply is connected to a mains supply line;

a storage battery;

the input end of the second power supply and the input end of the third power supply are both electrically connected with the storage battery;

the redundancy module comprises a first input end, a second input end and a redundancy output end, the first input end is electrically connected with the output end of the first power supply, the output end of the second power supply and the output end of the third power supply are electrically connected with the same second input end, and the redundancy output end is electrically connected with a load.

2. The power supply circuit system according to claim 1, wherein the input voltage of the first power supply is 220V, and the output voltage is 24V;

the input voltage of the second power supply is 48V, and the output voltage of the second power supply is 24V;

the input voltage of the third power supply is 48V, and the output voltage is 24V.

3. The power supply circuit system of claim 1, further comprising a charger, an input of the charger being connected to the mains supply line, an output of the charger being electrically connected to the battery.

4. The power supply circuit system of claim 1, further comprising a first contact switch, a second contact switch, and a third contact switch; the first contact switch is connected in the mains supply line; the second contact switch is connected between the storage battery and the second power supply; the third contact switch is connected between the storage battery and the third power supply source.

5. The power supply circuit system of claim 4, wherein the control terminal of the first contact switch, the control terminal of the second contact switch, and the control terminal of the third contact switch are electrically connected to the battery.

6. The power supply circuit system according to claim 5, further comprising an emergency stop switch connected in a loop including the control terminal of the first contact switch, the control terminal of the second contact switch, and the control terminal of the third contact switch.

7. The power supply circuit system of claim 1, wherein the battery comprises a first battery and a second battery, the first battery being electrically connected to the input of the second power supply, and the second battery being electrically connected to the input of the third power supply.

8. The power supply circuitry of claim 1, further comprising a driver electrically connected to said battery;

the power supply circuit system further comprises a first diode and a second diode, wherein the anode of the first diode is electrically connected with the storage battery, and the cathode of the first diode is electrically connected with the driver;

and the anode of the second diode is electrically connected with the storage battery, and the cathode of the second diode is electrically connected with the driver.

9. The power supply circuit system of claim 1, further comprising a third diode and a fourth diode, wherein an anode of the third diode is electrically connected to the second power supply, and a cathode of the third diode is electrically connected to the second input terminal;

and the anode of the fourth diode is electrically connected with the third power supply, and the cathode of the fourth diode is electrically connected with the second input end.

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