CN202495803U - Isolation power supply cabinet used in medical treatment II type place - Google Patents
Isolation power supply cabinet used in medical treatment II type place Download PDFInfo
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- CN202495803U CN202495803U CN2012201268112U CN201220126811U CN202495803U CN 202495803 U CN202495803 U CN 202495803U CN 2012201268112 U CN2012201268112 U CN 2012201268112U CN 201220126811 U CN201220126811 U CN 201220126811U CN 202495803 U CN202495803 U CN 202495803U
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Abstract
The utility model relates to an isolation power source cabinet used in medical treatment II type place. The isolation power source cabinet comprises a double-power source automatic switching device, a load isolation switch, a total inlet wire measuring instrument, a lightning surge protection device, a TN-S system feed-out circuit with a leakage protection function and an IT system feed-out circuit with a monitoring function. the double-power source automatic switching device is connected to the total inlet wire measuring instrument through the load isolation switch; the total inlet wire measuring instrument are respectively connected with the lightning surge protection device, the TN-S system feed-out circuit and the IT system feed-out circuit. Compared with the prior art, the isolation power source cabinet of the utility model is advantaged in that: the isolation power source cabinet can provide a perfect power supply scheme.
Description
Technical field
The utility model relates to a kind of insulating power supply cabinet, especially relates to the used insulating power supply cabinet in a kind of medical II class field.
Background technology
In recent years; Extensive application along with electromedical equipment; The electrical safety problem of medical space more and more receives people's attention; China has also put into effect relevant standards and norms in succession, require will adopt insulating power supply system (being local I T system) power supply in important medical II class place, and the configuration insulation monitoring and warning device comes the operation conditions of monitoring system.At present domestic being directed against in the distribution in medical II class place lacks perfect safe distribution solution, in case electric power system, equipment electric leakage or tripping operation will cause serious life to threaten to patient.
The insulating power supply cabinet mainly designs according to the special power reguirements of clean operating room and CCU/ICU ward, can satisfy the safe power supply demand of clean operating room and all different power consumption equipments in CCU/ICU ward.
Summary of the invention
The purpose of the utility model is exactly that a kind of used insulating power supply cabinet in medical II class field that more perfect safe power supply solution can be provided is provided in order to overcome the defective that above-mentioned prior art exists.
The purpose of the utility model can realize through following technical scheme:
The used insulating power supply cabinet in a kind of medical II class field; It is characterized in that; The IT system that the TN-S system that comprise dual power supply automatic switching device, load-break switch, total input-wire measuring instrument, lightning surge protection device, has a creepage protection function feeds out the loop and has a monitoring function feeds out the loop; Described dual power supply automatic switching device is connected with the total input-wire measuring instrument through load-break switch, and described total input-wire measuring instrument connects lightning surge protection device respectively, the TN-S system feeds out the loop and IT system feeds out the loop.
Described total input-wire measuring instrument comprises the multifunction instrument summation current transformer.
Described multifunction instrument is for measure the instrument of voltage and current simultaneously.
It is that the IT system with insulation resistance monitoring, load monitoring and isolating transformer temperature rise monitoring function feeds out the loop that described IT system with monitoring function feeds out the loop.
Described TN-S system feeds out the loop and comprises TN-S system distribution loop and be installed on the residual current operated protective device in the loop.
Described IT system feeds out the loop and comprises the IT distribution loop and be installed on insulating monitoring instrument in the loop, isolating transformer, the appearance breaker of plastic casing with power supply, current transformer, band short-circuit protection.
Described insulating monitoring instrument comprises isolating transformer temperature observation circuit, insulation resistance observation circuit and load current observation circuit.
Compared with prior art, the utility model adopts IT system to feed out loop and TN-S system to feed out the distinct device that the loop is respectively medical II class place and supply power.For the unessential equipment in medical II class place, adopt the TN-S system circuit that is equiped with residual current operated protective device to supply power.Directly contact or be used to keep the power consumption equipment of patient's life with patient's internal organ; Or after electric leakage or disconnection fault take place; The power consumption equipment that patient's life is constituted a threat to; Adopt the IT system power supply with high security and reliability of device insulating monitoring appearance, thereby realize the existing more perfect power supply solution of scheme.
Description of drawings
Fig. 1 is the system diagram of the utility model insulating power supply cabinet.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
As shown in Figure 1; The used insulating power supply cabinet in a kind of medical II class field, total input-wire measuring instrument 3, the lightning surge protection device 6 that comprises dual-power automatic switching device 1, load-break switch 2, is made up of the multifunction instrument summation current transformer of energy measurement electric current and voltage, the TN-S system with creepage protection function feed out the loop and have the IT system 4 of insulation resistance monitoring, load monitoring and isolating transformer temperature rise monitoring function.Dual power supply automatic switching device 1, load-break switch 2, total input-wire measuring instrument 3, lightning surge protector 6, TN-S system feed out loop and IT system and feed out and adopt electric wire to connect between the loop.
Dual-power automatic switching device 1 provides the two-way power supply less than 0.5s to switch.Load-break switch 2 can the whole power cabinet power supply of on-load disjunction, and total input-wire measuring instrument 3 can be measured the electrical parameter and the energy data of current system in real time.
The TN-S system feeds out the loop and comprises TN-S system distribution loop and be installed on the residual current operated protective device 7 in the loop that residual current operated protective device is that every distribution loop provides earth leakage protective in the TN-S system.
IT system feeds out the breaker of plastic casing 5 that the loop comprises IT system and insulation monitoring and warning device 4 and band short-circuit protection; IT system and insulation monitoring and warning device 4 thereof are the core of insulating power supply cabinet; Comprise isolating transformer 41, insulating monitoring appearance 42, current transformer 43 and appearance with power supply 44, IT system feeds out the loop can provide the power supply than TN-S system safety and reliability.Insulating monitoring appearance 42 has insulating monitoring, isolating transformer temperature rise monitoring and overload monitoring function; Be used for the temperature rise situation of insulation status, isolating transformer load state and isolating transformer itself of real-time monitoring system, for the failure operation of system provides warning function.Breaker of plastic casing 5 provides short-circuit protection for the IT system loop.
The operation principle of the used insulating power supply cabinet in above-mentioned medical II class field is: adopt the two-way electric power incoming line; At first by less than the dual-power automatic switching device 1 of 0.5s three phase mains being introduced switching time; Load-break switch 2 through the on-load disjunction carries out the branch closing operation, and total input-wire measuring instrument 3 is measured the electrical parameter and the energy data of system.Be divided into the output of two parts feed afterwards: a part is through IT system and insulation monitoring and warning device 4 thereof; And in the IT distribution loop, install the breaker of plastic casing 5 of being with short-circuit protection, IT system is used to the important surgical apparatus in medical II class place or is used to keep the power devices of patient's life; Another part is the TN-S system feeding circuit of three-phase and single-phase mixing, and the feeding circuit of system is all installed residual current operated protective device 7, and the TN-S system can be the inner inessential power consumption equipment power supply in medical II class place.For whole power-supply system the lightning surge protection is provided through lightning surge protector 6.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (7)
1. used insulating power supply cabinet in medical II class field; It is characterized in that; The IT system that the TN-S system that comprise dual power supply automatic switching device, load-break switch, total input-wire measuring instrument, lightning surge protection device, has a creepage protection function feeds out the loop and has a monitoring function feeds out the loop; Described dual power supply automatic switching device is connected with the total input-wire measuring instrument through load-break switch, and described total input-wire measuring instrument connects lightning surge protection device respectively, the TN-S system feeds out the loop and IT system feeds out the loop.
2. the used insulating power supply cabinet in a kind of medical II class field according to claim 1 is characterized in that described total input-wire measuring instrument comprises the multifunction instrument summation current transformer.
3. the used insulating power supply cabinet in a kind of medical II class field according to claim 2 is characterized in that, described multifunction instrument is for measure the instrument of voltage and current simultaneously.
4. the used insulating power supply cabinet in a kind of medical II class field according to claim 1; It is characterized in that it is that the IT system with insulation resistance monitoring, load monitoring and isolating transformer temperature rise monitoring function feeds out the loop that described IT system with monitoring function feeds out the loop.
5. the used insulating power supply cabinet in a kind of medical II class field according to claim 1 is characterized in that, described TN-S system feeds out the loop and comprises TN-S system distribution loop and be installed on the residual current operated protective device in the loop.
6. the used insulating power supply cabinet in a kind of medical II class field according to claim 1; It is characterized in that described IT system feeds out the loop and comprises the IT distribution loop and be installed on insulating monitoring instrument in the loop, isolating transformer, the appearance breaker of plastic casing with power supply, current transformer, band short-circuit protection.
7. the used insulating power supply cabinet in a kind of medical II class field according to claim 6 is characterized in that described insulating monitoring instrument comprises isolating transformer temperature observation circuit, insulation resistance observation circuit and load current observation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201268112U CN202495803U (en) | 2012-03-29 | 2012-03-29 | Isolation power supply cabinet used in medical treatment II type place |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201268112U CN202495803U (en) | 2012-03-29 | 2012-03-29 | Isolation power supply cabinet used in medical treatment II type place |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202495803U true CN202495803U (en) | 2012-10-17 |
Family
ID=47002015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201268112U Expired - Lifetime CN202495803U (en) | 2012-03-29 | 2012-03-29 | Isolation power supply cabinet used in medical treatment II type place |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202495803U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749486A (en) * | 2015-02-13 | 2015-07-01 | 王金全 | Residual current protector based IT system single-phase fault positioning method |
| CN106953406A (en) * | 2017-05-22 | 2017-07-14 | 合肥联信电源有限公司 | A kind of integrated emergency supply unit applied to medical space |
| CN109507918A (en) * | 2018-10-24 | 2019-03-22 | 中铁第四勘察设计院集团有限公司 | Underground fan field control case |
-
2012
- 2012-03-29 CN CN2012201268112U patent/CN202495803U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749486A (en) * | 2015-02-13 | 2015-07-01 | 王金全 | Residual current protector based IT system single-phase fault positioning method |
| CN104749486B (en) * | 2015-02-13 | 2017-12-05 | 王金全 | A kind of IT system single-phase fault localization method based on residual current operated protective device |
| CN106953406A (en) * | 2017-05-22 | 2017-07-14 | 合肥联信电源有限公司 | A kind of integrated emergency supply unit applied to medical space |
| CN109507918A (en) * | 2018-10-24 | 2019-03-22 | 中铁第四勘察设计院集团有限公司 | Underground fan field control case |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214405, 5 ASEAN Road, Wuxi, Jiangsu, Jiangyin Patentee after: Jiangsu Acrel Electric Equipment Manufacturing Co., Ltd. Patentee after: ACREL CO., LTD. Address before: 214405, 5 ASEAN Road, Wuxi, Jiangsu, Jiangyin Patentee before: Jiangsu Acrel Electric Equipment Manufacturing Co., Ltd. Patentee before: Shanghai Acrel Electric Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
|
| CX01 | Expiry of patent term |