Power supply circuit system of medical vehicle

Abstract

The utility model discloses a medical vehicle power supply circuit system comprising a power supply management system, an input end of which is connected with a vehicle generator and generates a power supply through the vehicle generator; the input end of the main battery is connected with the vehicle generator and supplies power through the vehicle generator, and the output end of the main battery is connected with the mainboard and used for supplying main level to the mainboard; the input end of the auxiliary battery is connected with the output end of the power management system, and the auxiliary battery is used for providing auxiliary level for the mainboard; the input end of the lithium battery is connected with commercial power through a charger, the output end of the lithium battery is connected with the input end of the power management system, and the lithium battery is used for providing stable power for the power management system; the input end of the air conditioning system is connected with the output end of the power management system and the output end of the lithium battery; and the input end of the inverter is connected with the output end of the power supply management system and the output end of the lithium battery. According to the power supply circuit system of the medical vehicle, stable power can be supplied to vehicle equipment for use when the vehicle is in a parking flameout state.

Description

Technical Field

[0001] The utility model relates to the electronic field of medical vehicles, in particular to a power supply circuit system of a medical vehicle. Background Art

[0002] The power supply circuit of a medical vehicle refers to a system used to provide the power required by medical equipment. Medical vehicles are usually used for emergency treatment, mobile medical services or transportation of medical equipment, so their power supply system must be stable and reliable to ensure that medical equipment can operate normally at all times.

[0003] At present, the power supply circuit of medical vehicles is often powered by an external power supply, a vehicle-mounted generator, or the original vehicle engine. This method may cause unstable power supply to vehicle equipment due to some emergencies when the vehicle is parked and turned off. Summary of the invention

[0004] The utility model aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. To this end, the utility model proposes a power supply circuit system for a medical vehicle.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A medical vehicle power supply circuit system is proposed, comprising:

[0007] A power management system, an input end of which is connected to a vehicle generator, and power is generated by the vehicle generator;

[0008] The main battery has an input end connected to the vehicle generator to provide power through the vehicle generator, and an output end connected to the main board to provide the main voltage level of the main board;

[0009] A secondary battery, the input end of which is connected to the output end of the power management system, and is used to provide a secondary voltage level for the mainboard;

[0010] A lithium battery, the input end of which is connected to the mains via a charger, and the output end of which is connected to the input end of the power management system, for providing a stable power supply for the power management system;

[0011] An air conditioning system, the input end of which is connected to the output end of the power management system and the output end of the lithium battery;

[0012] The inverter has an input end connected to the output end of the power management system and the output end of the lithium battery, and is used to convert the output power of the power management system or the lithium battery into 220V to power related equipment.

[0013] Further, specifically, the power management system has two output power supplies, one is a 12V power supply, and the other is a 48V power supply. The output voltage of the lithium battery is 48V, and the output voltages of the main battery and the auxiliary battery are both 12V.

[0014] Furthermore, the output end of the inverter is also provided with a UPS power supply, a leakage switch and a power indicator light. The leakage switch is used for leakage protection, and the power indicator light is used to display the power supply status. The input end of the UPS power supply is connected to the output end of the inverter, and the output end of the UPS power supply is connected to the CT machine equipment.

[0015] Furthermore, the circuit system is also provided with fuses of different specifications at the output ends of different power supplies.

[0016] Furthermore, the lithium battery is also provided with an emergency start switch circuit, which includes an electromagnetic relay, wherein the two ends of the switch side of the electromagnetic relay are respectively connected to the output end of the main battery and the output end of the auxiliary battery, the two ends of the electromagnetic side of the electromagnetic relay are respectively connected to one end of the emergency start switch and the ground, the other end of the emergency start switch is respectively connected to one end of the fuse FU and provides power for activating the battery pack, and the other end of the fuse FU is connected to the output end of the auxiliary battery.

[0017] Further, specifically, the air conditioning system includes an evaporator, a condenser, a compressor and a PTC heating device.

[0018] The beneficial effects of the utility model are as follows: a power supply circuit system for a medical vehicle is proposed, which is based on a battery management system. On the one hand, the main board is powered by a main battery and a secondary battery to ensure the stability of the main board power supply, and an additional battery is provided as a battery storage treasure, so that the vehicle equipment can have a stable power supply when the vehicle is parked and the engine is turned off. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following is a brief description of the drawings required for the description of the embodiments. Obviously, the drawings described are only part of the embodiments of the present utility model, not all of the embodiments, and those skilled in the art can also obtain other design solutions and drawings based on these drawings without creative work.

[0020] Figure 1 It is a circuit schematic diagram of the power supply circuit system of the medical vehicle of the utility model;

[0021] Figure 2 The utility model is a schematic diagram of the control mainboard wiring in an example of the power supply circuit system of the medical vehicle. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the utility model, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection relationships mentioned in the text do not refer to the direct connection of components, but refer to the fact that a better connection structure can be formed by adding or reducing connecting accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other.

[0023] Reference Figure 1 ,

[0024] Embodiment 1: The utility model proposes a power supply circuit system for a medical vehicle, comprising:

[0025] A power management system, an input end of which is connected to a vehicle generator, and power is generated by the vehicle generator;

[0026] The main battery has an input end connected to the vehicle generator to provide power through the vehicle generator, and an output end connected to the main board to provide the main voltage level of the main board;

[0027] A secondary battery, the input end of which is connected to the output end of the power management system, and is used to provide a secondary voltage level for the mainboard;

[0028] A lithium battery, the input end of which is connected to the mains via a charger, and the output end of which is connected to the input end of the power management system, for providing a stable power supply for the power management system;

[0029] An air conditioning system, the input end of which is connected to the output end of the power management system and the output end of the lithium battery;

[0030] The inverter has an input end connected to the output end of the power management system and the output end of the lithium battery, and is used to convert the output power of the power management system or the lithium battery into 220V to power related equipment.

[0031] In this embodiment 1, a power supply circuit system for a medical vehicle is proposed. Based on a battery management system, on the one hand, the main board is powered by a main battery and a secondary battery to ensure the stability of the main board power supply, and an additional battery is provided as a battery storage treasure, so that the vehicle equipment can have a stable power supply when the vehicle is parked and turned off.

[0032] As a preferred embodiment of the utility model, specifically, the power management system has two output power supplies, one is a 12V power supply, and the other is a 48V power supply. The output voltage of the lithium battery is 48V, and the output voltages of the main battery and the auxiliary battery are both 12V.

[0033] In this preferred embodiment, combined with the actual power supply requirements of the medical vehicle, the two outputs of the power management system are set to 48V and 12V respectively, the corresponding output voltage of the lithium battery is set to 48V, and the output voltages of the main battery and the auxiliary battery are both set to 12V.

[0034] As a preferred embodiment of the utility model, the output end of the inverter is also provided with a UPS power supply, a leakage switch and a power indicator light. The leakage switch is used for leakage protection, and the power indicator light is used to display the power supply status. The input end of the UPS power supply is connected to the output end of the inverter, and the output end of the UPS power supply is connected to the CT machine equipment.

[0035] In this preferred embodiment, considering the needs of actual use, the DC power supply is converted into 220V through an inverter.

[0036] As a preferred embodiment of the present invention, the circuit system is further provided with fuses of different specifications at the output ends of different power supplies.

[0037] In this preferred embodiment, by setting fuses of different specifications at each output end according to actual conditions, it is possible to ensure safe operation of the circuit system and provide protection when an overcurrent condition occurs.

[0038] As a preferred embodiment of the utility model, the lithium battery is also provided with an emergency start switch circuit, and the emergency start switch circuit includes an electromagnetic relay, and the two ends of the switch side of the electromagnetic relay are respectively connected to the output end of the main battery and the output end of the auxiliary battery, and the two ends of the electromagnetic side of the electromagnetic relay are respectively connected to one end of the emergency start switch and the ground, and the other end of the emergency start switch is respectively connected to one end of the fuse FU and provides power for activating the battery pack, and the other end of the fuse FU is connected to the output end of the auxiliary battery.

[0039] In this preferred embodiment, by setting up an emergency switch starting circuit, the emergency switch is closed when needed, the electromagnetic relay is turned on, the switch side is attracted, and the activation battery pack power supply is activated, thereby supplying power to the mainboard.

[0040] As a preferred embodiment of the utility model, specifically, the air conditioning system includes an evaporator, a condenser, a compressor and a PTC heating device.

[0041] In a practical embodiment, given Figure 2 The control mainboard connection diagram in the figure can provide actual power supply for the medical vehicle.

[0042] The above specific structures and dimensional data are specific descriptions of the preferred embodiments of the present invention, but the present invention is not limited to the embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the present invention. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A power supply circuit system for a medical vehicle, characterized in that: include, A power management system, an input end of which is connected to a vehicle generator, and power is generated by the vehicle generator; The main battery has an input end connected to the vehicle generator to provide power through the vehicle generator, and an output end connected to the main board to provide the main voltage level of the main board; A secondary battery, the input end of which is connected to the output end of the power management system, and is used to provide a secondary voltage level for the mainboard; A lithium battery, the input end of which is connected to the mains via a charger, and the output end of which is connected to the input end of the power management system, for providing a stable power supply for the power management system; An air conditioning system, the input end of which is connected to the output end of the power management system and the output end of the lithium battery; The inverter has an input end connected to the output end of the power management system and the output end of the lithium battery, and is used to convert the output power of the power management system or the lithium battery into 220V to power related equipment.

2. A power supply circuit system for a medical vehicle according to claim 1, characterized in that: Specifically, the power management system has two output power supplies, one is a 12V power supply, and the other is a 48V power supply. The output voltage of the lithium battery is 48V, and the output voltages of the main battery and the auxiliary battery are both 12V.

3. A power supply circuit system for a medical vehicle according to claim 1, characterized in that: The output end of the inverter is also provided with a UPS power supply, a leakage switch and a power indicator light. The leakage switch is used for leakage protection, and the power indicator light is used to display the power supply status. The input end of the UPS power supply is connected to the output end of the inverter, and the output end of the UPS power supply is connected to the CT machine equipment.

4. A power supply circuit system for a medical vehicle according to claim 1, characterized in that: The circuit system is also provided with fuses of different specifications at the output ends of different power supplies.

5. A power supply circuit system for a medical vehicle according to claim 1, characterized in that: The lithium battery is also provided with an emergency start switch circuit, which includes an electromagnetic relay, wherein the two ends of the switch side of the electromagnetic relay are respectively connected to the output end of the main battery and the output end of the auxiliary battery, the two ends of the electromagnetic side of the electromagnetic relay are respectively connected to one end of the emergency start switch and the ground, the other end of the emergency start switch is respectively connected to one end of the fuse FU and provides power for activating the battery pack, and the other end of the fuse FU is connected to the output end of the auxiliary battery.

6. A power supply circuit system for a medical vehicle according to claim 1, characterized in that: Specifically, the air conditioning system includes an evaporator, a condenser, a compressor and a PTC heating device.

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