CN205141814U - Medical power supply of static protection output of multiloop - Google Patents
Medical power supply of static protection output of multiloop Download PDFInfo
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- CN205141814U CN205141814U CN201521019589.6U CN201521019589U CN205141814U CN 205141814 U CN205141814 U CN 205141814U CN 201521019589 U CN201521019589 U CN 201521019589U CN 205141814 U CN205141814 U CN 205141814U
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Abstract
The utility model provides a pair of medical power supply of static protection output of multiloop, include: power module for carry out grid voltage steady voltage frequency stabilization processing or carry out the contravariant with reserve accumulator output voltage and handle and supply power to medical equipment, but power module's output has the output zhi huilu of a plurality of autonomous workings, static output protective film piece, its input is connected with power module's output, and the output is connected with medical equipment for protection medical equipment, static output protective film piece be a plurality of and with power module's output zhi huilu one -to -one, power control module, its output is connected with power module for mechanical contact's in the power existence through above -mentioned structure, is effectively avoided to the work of control power module and static output protective film piece, malfunction that factors such as effectively preventing the oxidation, strike sparks and generate heat arouses, and response speed is fast, and the protective current can the according to actual need adjustment moreover, can play good guard action to medical equipment.
Description
Technical field
The utility model relates to a kind of Medical power, particularly relates to the Medical power that a kind of multiloop static protection exports.
Background technology
In medical space, in order to ensure the stability of the quality of power supply and power supply, usual employing back-up source is powered, back-up source provides electric energy by multiple current supply circuit to Medical Devices, in standby Medical power, adopt miniature circuit breaker at its output or mould overcurrent or the short-circuit protection that shell switch is used as Medical Devices, existing switch generally adopts hot dropout principle to protect, switch designs has thermal tripping mechanism, heater element in thermal tripping mechanism is connected in current supply circuit, when appearance overcurrent or short-circuit conditions, heater element generation heat makes the bimetal leaf of tripping mechanism distortion occur and perform trip action deenergization.There is following shortcoming in hot dropout protected mode: there is mechanical contact in thermal tripping mechanism, easily occurs that oxidation, sparking and heating etc. cause misoperation and breaking capacity to decline; Response speed is slow, can not play a very good protection for some precision equipments; Manual intervention is needed to close a floodgate after action; And in order to prevent the misoperation of current supply circuit circuit breaker in daily use, usually all adopt the way strengthening circuit breaker or mould shell contact capacity to avoid, thus circuit breaker is caused not have protective effect to equipment.
Therefore, need to propose a kind of new Medical power, power supply can be made in output mechanical contact, the misoperation that the factors such as effective anti-oxidation, sparking and heating cause, fast response time, can play a good protection to Medical Devices.
Utility model content
In view of this; the purpose of this utility model is to provide the Medical power that a kind of multiloop static protection exports; power supply can be made in output mechanical contact; the misoperation that the factors such as effective anti-oxidation, sparking and heating cause; fast response time; protective current can set, and can play a good protection to Medical Devices.
The Medical power that a kind of multiloop static protection that the utility model provides exports, comprising:
Power module, for line voltage being carried out voltage stabilization and frequency stabilization process or standby battery output voltage being carried out inversion process and powers to Medical Devices, the output of described power module has multiple output Zhi Huilu that can work independently;
Static output protection module, its input is connected with the output of power module, and output is connected with Medical Devices, for the protection of Medical Devices; Described Static output protection module be multiple and with the output Zhi Huilu one_to_one corresponding of power module;
Energy supply control module, its output is connected with power module, for controlling the work of power module and Static output protection module.
Further; described Static output protection module comprises the static protection switch, relay, protection switch drive circuit and the conservation treatment unit that are made up of the controllable silicon of two reverse parallel connections; described relay and static protection switch form parallel-connection structure; the output of described switch driving circuit is connected with the control end of static protection switch; the input of protection switch drive circuit is connected with conservation treatment unit, and described conservation treatment unit and energy supply control module communicate to connect.
Further; described Static output protection module also comprises circuit breaker and branch current transducer; described circuit breaker is arranged between static protection switch and power module outlet, described branch current sensor setting between circuit breaker and static protection switch and branch current transducer be connected with energy supply control module.
Further; described power module comprises rectification circuit that input is connected with electrical network, input is connected with the output of rectification circuit inverter, bypass static switch and contravariant transformer; described inverter is connected by the input of contravariant transformer with Static output protection module; the input of described inverter is also connected with the output of standby battery; the input of described bypass static switch is connected with electrical network, and the output of described bypass static switch is connected with the points of common connection of static protection switch and contravariant transformer.
Further, described energy supply control module comprises commutation driver circuit, inverse changing driving circuit, governor circuit and by-pass switch drive circuit, the order output terminal of described commutation driver circuit is connected with the control end of rectification circuit, and command input end is connected with governor circuit; The order output terminal of described inverse changing driving circuit is connected with the control end of inverter, and command input end is connected with governor circuit; The output of described switch driving circuit is connected with the control end of bypass static switch, and command input end is connected with governor circuit, and described governor circuit and Static output protection module communicate to connect.
Further, described energy supply control module also comprises the display be connected with governor circuit.
Further, described energy supply control module also comprises the communication interface be connected with governor circuit.
The beneficial effects of the utility model: the Medical power of multiloop Static output protection of the present utility model; by the effect of Static output module; effectively avoid the existence of mechanical contact in power supply; the misoperation that the factors such as effective anti-oxidation, sparking and heating cause; fast response time; and protective current can adjust according to actual needs, can play a good protection to Medical Devices.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the schematic diagram of Static output protection module of the present utility model.
Embodiment
Fig. 1 is schematic diagram of the present utility model, and Fig. 2 is the schematic diagram of Static output protection module of the present utility model, and as shown in the figure, the Medical power that a kind of multiloop static protection that the utility model provides exports, comprising:
Power module, for line voltage being carried out voltage stabilization and frequency stabilization process or standby battery output voltage being carried out inversion process and powers to Medical Devices, the output of described power module has multiple output Zhi Huilu that can work independently;
Static output protection module, its input is connected with the output of power module, and output is connected with Medical Devices, for the protection of Medical Devices; Described Static output protection module be multiple and with the output Zhi Huilu one_to_one corresponding of power module;
Energy supply control module, its output is connected with power module, for controlling the work of power module and Static output protection module, pass through said structure, effectively avoid the existence of mechanical contact in power supply, the misoperation that the factors such as effective anti-oxidation, sparking and heating cause, fast response time, and protective current can adjust according to actual needs, can play a good protection to Medical Devices; And the Static output protection module in each loop of power module outlet both worked alone, and did not interfere with each other, arbitrary Zhi Huilu breaks down can not affect the normal operation in other loops, thus effectively ensure that confession electrical stability and the continuity of power source integral.
In the present embodiment, described Static output protection module comprises the static protection switch be made up of the controllable silicon of two reverse parallel connections, relay, protection switch drive circuit and conservation treatment unit, described relay and static protection switch form parallel-connection structure, the output of described protection switch drive circuit is connected with the control end of static protection switch, the input of protection switch drive circuit is connected with conservation treatment unit, described conservation treatment unit and energy supply control module communicate to connect, by this structure, can ensure electric energy that power module exports continual and steady output to Medical Devices, wherein, relay is miniature high-speed relay, bypass effect is played to static protection switch, when static protection switch breaks down, effective guarantee supply of electric power loop is not interrupted.
In the present embodiment; described Static output protection module also comprises circuit breaker and branch current transducer; described circuit breaker is arranged between static protection switch and power module outlet; described branch current sensor setting between circuit breaker and static protection switch and branch current transducer be connected with energy supply control module; branch current transducer is for detecting the supply current in each loop and outputting in governor circuit; governor circuit can according to the protective current threshold value set in advance; control the operating state of static protection switch, realize the protection to load.Protected mode can be arranged to instant protection also can be set to delay protection.When load starting current is larger; the misoperation of static protection switch is caused for avoiding starting current; protected mode can be set to delay protection; avoid the impact of starting current; thus the overcurrent protection well achieved when not strengthening protective current threshold value Medical Devices, ensure that the security of operation of Medical Devices.(as maintenance, safeguard) where necessary, all right manual operation breaker actuation cuts off the power supply of Zhi Huilu, by Medical Devices and isolated from power.Easy in order to what draw, in Fig. 1, Static output protection module represents with SP.
In the present embodiment, described power module comprises the rectification circuit that input is connected with electrical network, the inverter that input is connected with the output of rectification circuit, bypass static switch and contravariant transformer, described inverter is connected by the input of contravariant transformer with Static output protection module, the input of described inverter is also connected with the output of standby battery, the input of described bypass static switch is connected with electrical network, the output of described bypass static switch is connected with the points of common connection of static protection switch and contravariant transformer, wherein, in order to ensure that whole power supply can stable operation, output change-over switch is provided with between contravariant transformer and output switch, power and bypass power supply for switching main current supply circuit, output change-over switch is static switch, as shown in Figure 1.
In the present embodiment, described energy supply control module comprises commutation driver circuit, inverse changing driving circuit, governor circuit and by-pass switch drive circuit, the order output terminal of described commutation driver circuit is connected with the control end of rectification circuit, and command input end is connected with governor circuit; The order output terminal of described inverse changing driving circuit is connected with the control end of inverter, and command input end is connected with governor circuit; The output of described switch driving circuit is connected with the control end of bypass static switch; command input end is connected with governor circuit; described governor circuit and Static output protection module communicate to connect; wherein; governor circuit is connected with conservation treatment unit communication; conservation treatment unit and governor circuit are existing single-chip microcomputer; each conservation treatment unit all has independently address code; the different address code of governor circuit is patrolled and examined different Static output protection modules and controls, thus guarantees the independence of each Static output protection module.
In the present embodiment, described energy supply control module also comprises the display be connected with governor circuit, and the state of each parameter in power supply and each Static output protection module is shown by display by governor circuit, is convenient to monitoring.
In the present embodiment, described energy supply control module also comprises the communication interface be connected with governor circuit, is beneficial to governor circuit and real-time parameter is uploaded monitoring host computer.
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. a Medical power for multiloop static protection output, is characterized in that: comprising:
Power module, for line voltage being carried out voltage stabilization and frequency stabilization process or standby battery output voltage being carried out inversion process and powers to Medical Devices, the output of described power module has multiple output Zhi Huilu that can work independently;
Static output protection module, its input is connected with the output of power module, and output is connected with Medical Devices, for the protection of Medical Devices;
Energy supply control module, its output is connected with power module, for controlling the work of power module and Static output protection module;
Described Static output protection module be multiple and with the output Zhi Huilu one_to_one corresponding of power module.
2. the Medical power of multiloop static protection output according to claim 1; it is characterized in that: described Static output protection module comprises the static protection switch, relay, protection switch drive circuit and the conservation treatment unit that are made up of the controllable silicon of two reverse parallel connections; described relay and static protection switch form parallel-connection structure; the output of described protection switch drive circuit is connected with the control end of static protection switch; the input of switch driving circuit is connected with conservation treatment unit, and described conservation treatment unit and energy supply control module communicate to connect.
3. the Medical power of multiloop static protection output according to claim 2; it is characterized in that: described Static output protection module also comprises circuit breaker and branch current transducer; described circuit breaker is arranged between static protection switch and power module outlet, described branch current sensor setting between circuit breaker and static protection switch and branch current transducer be connected with energy supply control module.
4. the Medical power of multiloop static protection output according to claim 1, it is characterized in that: described power module comprises the rectification circuit that input is connected with electrical network, the inverter that input is connected with the output of rectification circuit, bypass static switch and contravariant transformer, described inverter is connected by the input of contravariant transformer with Static output protection module, the input of described inverter is also connected with the output of standby battery, the input of described bypass static switch is connected with electrical network, the output of described bypass static switch is connected with the points of common connection of static protection switch and contravariant transformer.
5. the Medical power of multiloop static protection output according to claim 4, it is characterized in that: described energy supply control module comprises commutation driver circuit, inverse changing driving circuit, governor circuit and by-pass switch drive circuit, the order output terminal of described commutation driver circuit is connected with the control end of rectification circuit, and command input end is connected with governor circuit; The order output terminal of described inverse changing driving circuit is connected with the control end of inverter, and command input end is connected with governor circuit; The output of described switch driving circuit is connected with the control end of bypass static switch, and command input end is connected with governor circuit, and described governor circuit and Static output protection module communicate to connect.
6. the Medical power of multiloop static protection output according to claim 5, is characterized in that: described energy supply control module also comprises the display be connected with governor circuit.
7. the Medical power of multiloop static protection output according to claim 5, is characterized in that: described energy supply control module also comprises the communication interface be connected with governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019589.6U CN205141814U (en) | 2015-12-08 | 2015-12-08 | Medical power supply of static protection output of multiloop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521019589.6U CN205141814U (en) | 2015-12-08 | 2015-12-08 | Medical power supply of static protection output of multiloop |
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| CN205141814U true CN205141814U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393737A (en) * | 2017-09-11 | 2017-11-24 | 广东电网有限责任公司电力科学研究院 | A kind of primary cut-out electric operating mechanism containing energy storage device |
-
2015
- 2015-12-08 CN CN201521019589.6U patent/CN205141814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393737A (en) * | 2017-09-11 | 2017-11-24 | 广东电网有限责任公司电力科学研究院 | A kind of primary cut-out electric operating mechanism containing energy storage device |
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