CN205195547U - Medical power supply with keep apart output - Google Patents
Medical power supply with keep apart output Download PDFInfo
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- CN205195547U CN205195547U CN201521018853.4U CN201521018853U CN205195547U CN 205195547 U CN205195547 U CN 205195547U CN 201521018853 U CN201521018853 U CN 201521018853U CN 205195547 U CN205195547 U CN 205195547U
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Abstract
The utility model provides a pair of medical power supply with keep apart output, include: power conversion module for just often carry on the commercial power supplying with medical equipment after the frequency stabilization steady voltage is handled at the commercial power, and the electric energy that conversion backup battery provided when the commercial power is unusual and supply with medical equipment, at least one keeps apart output module, and the input is connected with power conversion module for keep apart the electric power of power conversion module output and supply with medical consumer, state detection module for detect insulating state parameter and the output of keeping apart output module, control module for receive each unit module parameter and to power conversion module output control command, can enough guarantee can not cause any injury to patient when the electric leakage situation appears in medical equipment, can not lead to power supply to suspend threateing patient's life safety because of the electric leakage again.
Description
Technical field
The utility model relates to a kind of Medical power, particularly relates to a kind of Medical power of isolation and amplifier.
Background technology
Medical Devices often adopt back-up source to power, thus favourable guarantee is provided to the safe operation of Medical Devices, but for two class medical spaces, such as operating room, ICU ward, CCU ward etc., common back-up source just cannot directly be powered to the Medical Devices in these places, reason is: existing back-up source adopts TN-S electric power system, in two class places in above-mentioned, Medical Devices usually directly contact with patient, for measuring, diagnosis and treatment, the various electrodes of Medical Devices, sensor directly contacts or inserts in patient body, if now electric leakage appears in Medical Devices, the life of patient directly can be injured, and, in two class medical spaces, reliability requirement for power supply is very high, the interruption of any electric power all will injure the life security of patient, no matter under any circumstance all should ensure the continuity of powering to the full extent, even if occurred that drain conditions also should not cause front-end protection switch motion.
Therefore, in order to solve the problems of the technologies described above, need to propose a kind of new Medical power.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of Medical power with isolation and amplifier, can either can not cause any harm to patient under the situation of electric leakage appears in Medical Devices, supply of electric power can not be caused again because of electric leakage to interrupt jeopardizing the life security of patient.
A kind of Medical power with isolation and amplifier that the utility model provides, comprising:
Power transfer module, for carrying out frequency-and voltage-stabilizing treatment and supplied Medical Devices when civil power is normal to civil power, and changes the electric energy that provides of reserve battery when city's electrical anomaly and supplies Medical Devices;
At least one isolation and amplifier module, input is connected with power transfer module, for electric power isolation supply medical electric equipment power transfer module exported;
State detection module, for detecting the state of insulation parameter of isolation and amplifier module and exporting;
Control module, for accepting state detection module parameter and to power transfer module output control command;
Further, described isolation and amplifier module is the isolating output transformer of isolated neutral.
Further, described state detection module comprises:
Current sensor, for detecting isolating output transformer output current and output current signal;
Temperature sensor, for detecting the temperature of isolating output transformer and output temperature signal;
Voltage sensor, for detecting the output voltage of isolating output transformer and output voltage signal;
Insulating monitoring circuit, for monitoring the ground insulation resistance of isolating transformer and current supply circuit thereof;
Detect output circuit, for received current signal, temperature signal, voltage signal and insulation impedance signal and according to the operating state of the signal detection and isolation transformer that receives and current supply circuit thereof, to control module output current parameter, voltage parameter, temperature parameter and dielectric strength parameter.
Further, the described control module output alarm unit that comprises treatment circuit and be connected with described treatment circuit; Described treatment circuit is connected with state detection module, power transfer module and ON-OFF control circuit.
Further, the described output alarm unit alarm that comprises the display be connected with treatment circuit, the communication structure be connected with treatment circuit and be connected with treatment circuit.
Further, the contravariant transformer that the inverter that described power transfer module comprises rectification circuit that input is electrically connected with city, input is connected with described rectification circuit, input are connected with inverter output end, for exporting the commutation driver circuit of control command and the inverter driving circuit for exporting control command to inverter to rectification circuit, the control end of described commutation driver circuit and inverter driving circuit is connected with control module.
Further, described static-switch module comprises static switch and ON-OFF control circuit, and described static switch and power transfer module form parallel-connection structure, and the control information that ON-OFF control circuit exports according to control module controls static switch action.
The beneficial effects of the utility model: the Medical power with isolation and amplifier of the present utility model, the work electricity consumption of stability and safety can be provided for Medical Devices, can not cause any harm to patient under the situation that can occur insulation impedance decline or earth leakage at Medical Devices, effective guarantee patient personal safety; Power supply discontinuity can not be sent a telegraph because of Medical Devices leakage conductance, ensure the continuity that Medical Devices are powered, avoid interrupting impact because of supply of electric power and rescue the life security even jeopardizing patient.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the utility model isolation and amplifier schematic diagram.
Embodiment
Fig. 1 is theory diagram of the present utility model, and Fig. 2 is isolation and amplifier schematic diagram of the present utility model, and as shown in the figure, a kind of Medical power with isolation and amplifier that the utility model provides, comprising:
Power transfer module, for carrying out frequency-and voltage-stabilizing treatment and supplied Medical Devices when civil power is normal to civil power, and changes the electric energy that provides of reserve battery when city's electrical anomaly and supplies Medical Devices;
At least one isolation and amplifier module, input is connected with power transfer module, for electric power isolation supply medical electric equipment power transfer module exported;
State detection module, for detecting the state of insulation parameter of isolation and amplifier module and exporting;
Control module, for accepting state detection module parameter and to power transfer module output control command;
Certainly, power transfer module is also provided with other defencive function, and belong to prior art, not in this to go forth;
By said structure, the work electricity consumption of stability and safety can be provided for Medical Devices, can not can cause any harm to patient under the situation of electric leakage appears in Medical Devices; Effective guarantee patient personal safety; Power supply discontinuity can not be sent a telegraph because of Medical Devices leakage conductance, ensure the continuity that Medical Devices are powered to the full extent, avoid interrupting impact because of supply of electric power and rescue the life security even jeopardizing patient.
In the present embodiment, described isolation and amplifier module is the isolating output transformer of isolated neutral, as shown in Figure 2, when there is electric leakage in the some fault points of Medical Devices, due to the isolated neutral of isolating output transformer, leakage current can not form conducting loop by neutral point and ground wire, thus can not form effective leakage current, now, even if patient or medical personnel touch the electrified body such as various electrodes, probe charged because of equipment leakage also can not cause Danger Electric shock risk.Due to the buffer action of isolating output transformer; the power end of the primary side of isolating output transformer can not be subject to effect of leakage equally; the protective circuit of power transfer module can not action; thus ensure that the continuity of power supply; isolating output transformer adopts three in the present embodiment; and three all can work independently, thus enhance practicality of the present utility model and adaptability.
In the present embodiment, described state detection module comprises:
Current sensor, for detecting isolating output transformer output current and output current signal;
Temperature sensor, for detecting the temperature of isolating output transformer and output temperature signal;
Voltage sensor, for detecting the output voltage of isolating output transformer and output voltage signal;
Insulating monitoring circuit, for the ground insulation resistance of Real-Time Monitoring isolating transformer and current supply circuit thereof;
Detect output circuit, for received current signal, temperature signal, voltage signal and insulation impedance signal and according to the operating state of the signal detection and isolation transformer that receives and current supply circuit thereof, simultaneously to control module output current parameter, voltage parameter, temperature parameter and dielectric strength parameter; By the effect of state detection module, effectively can monitor the output parameter of isolating transformer, detect output circuit by voltage, electric current, temperature and insulation impedance parameters input in treatment circuit, wherein, detecting output circuit is existing treatment circuit, as integrated chip or single-chip microcomputer etc.Voltage sensor is responsible for detecting isolating transformer output voltage; Current sensor is responsible for detecting isolating transformer load current; Temperature sensor is responsible for detecting isolating transformer working temperature; Insulation detecting circuit is responsible for producing insulating monitoring real time monitoring signals isolating transformer and current supply circuit insulation impedance over the ground thereof, and wherein, insulating monitoring circuit is available circuit, and not in this to go forth.
In the present embodiment, the output alarm unit that described control module comprises treatment circuit and is connected with described treatment circuit; Described treatment circuit is connected with state detection module, power transfer module, described treatment circuit is existing single-chip microcomputer, such as DSP single-chip microcomputer etc., wherein, the alarm that described output alarm unit comprises the display be connected with treatment circuit, the communication structure be connected with treatment circuit and is connected with treatment circuit, whether treatment circuit exceedes secure threshold according to the output parameter of state detection module exports corresponding alarm signal, pass through alarm equipment alarm, and real-time parameter is shown by display by treatment circuit, be convenient to staff and check.
In the present embodiment, described power transfer module comprises the rectification circuit that input is electrically connected with city, the inverter that input is connected with described rectification circuit, the contravariant transformer that input is connected with inverter output end, for exporting the commutation driver circuit of control command and the inverter driving circuit for exporting control command to inverter to rectification circuit, the control end of described commutation driver circuit and inverter driving circuit is connected with control module, pass through said structure, the work electricity consumption of stability and safety can be provided for Medical Devices, in order to ensure the demand of continuity and the Medical power of powering, Medical power is also provided with reserve battery, i.e. standby battery, reserve battery is connected with the input of inverter, medical electric equipment is supplied after converting pure alternating current to by inverter.
In the present embodiment; described static-switch module comprises static switch and ON-OFF control circuit; described static switch and power transfer module form parallel-connection structure; the control information that ON-OFF control circuit exports according to control module controls static switch action; by this structure; improve the fault-tolerant ability of whole Medical power; will power transfer module protection be caused because of the moment impact of power transfer module faults itself or load to cause power failure in the normal situation of civil power, ensure that continuity, reliability that Medical Devices are powered to the full extent.
For Fig. 2, protection philosophy of the present utility model is described further below:
As shown in Figure 2; when there is leakage current in the U1 end of isolating output transformer; because the neutral point of isolating output transformer does not have ground connection; electrified body does not form path by the earth with transformer neutral point; effective leakage current can not be produced, thus well protect the power supply safety of current supply circuit and the personal safety of patient and medical personnel.Now, state detection module detects that parameters input is in treatment circuit, detected parameters is judged with basic parameter that " insulation fault " is by every operational factor when display display " insulation fault " and fault by treatment circuit more afterwards, and carry out sound and light alarm by alarm, notify that staff processes in time.Now, the power transfer module of the primary side of isolating output transformer can not be affected under the buffer action of isolating output transformer, and the protective circuit of power transfer module is failure to actuate, thus ensure that the power supply continuity of whole power supply.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. there is a Medical power for isolation and amplifier, it is characterized in that: comprising:
Power transfer module, for carrying out frequency-and voltage-stabilizing treatment and supplied Medical Devices when civil power is normal to civil power, and changes the electric energy that provides of reserve battery when city's electrical anomaly and supplies Medical Devices;
At least one isolation and amplifier module, input is connected with power transfer module, for electric power isolation supply medical electric equipment power transfer module exported;
State detection module, for detecting the state of insulation parameter of isolation and amplifier module and exporting;
Control module, for accepting state detection module parameter and to power transfer module output control command.
2. there is the Medical power of isolation and amplifier according to claim 1, it is characterized in that: described isolation and amplifier module is the isolating output transformer of isolated neutral.
3. there is the Medical power of isolation and amplifier according to claim 1, it is characterized in that: described state detection module comprises:
Current sensor, for detecting isolating output transformer output current and output current signal;
Temperature sensor, for detecting the temperature of isolating output transformer and output temperature signal;
Voltage sensor, for detecting the output voltage of isolating output transformer and output voltage signal;
Insulating monitoring circuit, for monitoring the ground insulation resistance of isolating transformer and current supply circuit thereof;
Detect output circuit, for received current signal, temperature signal, voltage signal and insulation impedance signal and according to the working condition of the signal detection and isolation transformer that receives and current supply circuit thereof, to control module output current parameter, voltage parameter, temperature parameter and insulation impedance parameter.
4. there is the Medical power of isolation and amplifier according to claim 1, it is characterized in that: the output alarm unit that described control module comprises treatment circuit and is connected with described treatment circuit; Described treatment circuit is connected with state detection module, power transfer module and ON-OFF control circuit.
5. there is the Medical power of isolation and amplifier according to claim 4, it is characterized in that: the alarm that described output alarm unit comprises the display be connected with treatment circuit, the communication structure be connected with treatment circuit and is connected with treatment circuit.
6. there is the Medical power of isolation and amplifier according to claim 1, it is characterized in that: the contravariant transformer that the inverter that described power transfer module comprises rectification circuit that input is electrically connected with city, input is connected with described rectification circuit, input are connected with inverter output end, for exporting the commutation driver circuit of control command and the inverter driving circuit for exporting control command to inverter to rectification circuit, the control end of described commutation driver circuit and inverter driving circuit is connected with control module.
7. there is the Medical power of isolation and amplifier according to claim 1, it is characterized in that: also comprise static-switch module, described static-switch module comprises static switch and ON-OFF control circuit, described static switch and power transfer module form parallel-connection structure, and the control information that ON-OFF control circuit exports according to control module controls static switch action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018853.4U CN205195547U (en) | 2015-12-08 | 2015-12-08 | Medical power supply with keep apart output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521018853.4U CN205195547U (en) | 2015-12-08 | 2015-12-08 | Medical power supply with keep apart output |
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| CN205195547U true CN205195547U (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521018853.4U Active CN205195547U (en) | 2015-12-08 | 2015-12-08 | Medical power supply with keep apart output |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109274066A (en) * | 2018-11-27 | 2019-01-25 | 湖南二三智能科技有限公司 | A kind of safety utilization of electric power device and safe power utilization method |
| CN109980769A (en) * | 2019-03-28 | 2019-07-05 | 合肥远江电源科技有限公司 | A kind of isolated power supply with ups function |
| CN110504686A (en) * | 2019-09-20 | 2019-11-26 | 广东华邦创科智能技术有限公司 | Single phase ac power frequency intelligent protection safety power supply |
| CN111290328A (en) * | 2020-02-18 | 2020-06-16 | 唐山鼎信电器仪表工程有限公司 | PLC control anti-interference system |
| CN111366767A (en) * | 2018-12-25 | 2020-07-03 | 西安西电高压开关有限责任公司 | Direct current measuring device |
| CN111417416A (en) * | 2017-11-14 | 2020-07-14 | 心脏器械股份有限公司 | Intermediate power supply device with sensing and communication system |
| CN111946578A (en) * | 2019-05-14 | 2020-11-17 | 伊利诺斯工具制品有限公司 | Method and apparatus for mechanically coupling an electric motor to an electrically isolated pump |
-
2015
- 2015-12-08 CN CN201521018853.4U patent/CN205195547U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111417416A (en) * | 2017-11-14 | 2020-07-14 | 心脏器械股份有限公司 | Intermediate power supply device with sensing and communication system |
| CN111417416B (en) * | 2017-11-14 | 2024-03-12 | 心脏器械股份有限公司 | Intermediate power supply device with sensing and communication system |
| CN109274066A (en) * | 2018-11-27 | 2019-01-25 | 湖南二三智能科技有限公司 | A kind of safety utilization of electric power device and safe power utilization method |
| CN111366767A (en) * | 2018-12-25 | 2020-07-03 | 西安西电高压开关有限责任公司 | Direct current measuring device |
| CN111366767B (en) * | 2018-12-25 | 2022-11-25 | 西安西电高压开关有限责任公司 | Direct current measuring device |
| CN109980769A (en) * | 2019-03-28 | 2019-07-05 | 合肥远江电源科技有限公司 | A kind of isolated power supply with ups function |
| CN111946578A (en) * | 2019-05-14 | 2020-11-17 | 伊利诺斯工具制品有限公司 | Method and apparatus for mechanically coupling an electric motor to an electrically isolated pump |
| CN110504686A (en) * | 2019-09-20 | 2019-11-26 | 广东华邦创科智能技术有限公司 | Single phase ac power frequency intelligent protection safety power supply |
| CN111290328A (en) * | 2020-02-18 | 2020-06-16 | 唐山鼎信电器仪表工程有限公司 | PLC control anti-interference system |
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