CN1889320A - Heat source overheat protector in medical instrument - Google Patents
Heat source overheat protector in medical instrument Download PDFInfo
- Publication number
- CN1889320A CN1889320A CN 200510027301 CN200510027301A CN1889320A CN 1889320 A CN1889320 A CN 1889320A CN 200510027301 CN200510027301 CN 200510027301 CN 200510027301 A CN200510027301 A CN 200510027301A CN 1889320 A CN1889320 A CN 1889320A
- Authority
- CN
- China
- Prior art keywords
- normally closed
- main circuit
- light source
- medical instrument
- radiator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
A heat source overheat protector in medical instrument consists of one radiator which is connected with medical instrumental light source mounting rack, said medical instrument set with light source control main circuit, bimetallic strip temperature control unit set nearing the light source mounting rack and series connected in said main circuit through wire. When medical instrument draft condition becomes poor and the internal temperature rises reaching the controlled temperature of bimetallic strip temperature control unit, the normally closed stationary contact and normally closed moving contact disconnect to make main circuit power interruption and instrument stopping work, at the same time normally closed moving contact and normal open stationary contact switching-on, indicating light working, prompting the medical instrument being stopped because of superheating. The present invention solves safety problem in instrument long time working.
Description
Technical field:
The present invention relates to measuring instrument, relate in particular to medical diagnostic equipment, heat source overheat protector in particularly a kind of medical apparatus.
Background technology:
Primary fluorescence early cancer diagnosis equipment of the prior art utilizes the optical excitation human body mucous membrane tissue of specific wavelength, under the excitation light irradiation of sufficient intensity, normal tissues, abnormal structure can produce the autofluorescence of different colours, and this exciting light is to be sent by specific light source, when this light source igniting, must produce a large amount of heats, and when the radiating condition of instrument become abominable the time, the hidden danger of secure context will take place in instrument.Primary fluorescence early cancer diagnosis equipment of the prior art or optical biopsy short cavity road diagnosing tumor instrument all do not have the light-source temperature control system, in case when instrument uses for a long time, radiator fan damages, the heat of instrument internal can't be discharged, when temperature surpasses the bearing temperature of plastic casing, power line plastics exoperidium, the exoperidium of power line will soften, plastic casing will be out of shape, and machine can't normally use, and operation doctor and patient are worked the mischief.
Summary of the invention:
Purpose of the present invention provides heat source overheat protector in a kind of medical apparatus, and heat source overheat protector will solve in the prior art the out of contior technical problem of heat source temperature in the medical instrument in the described this medical apparatus.
Heat source overheat protector is made of a radiator in this medical apparatus of the present invention; described radiator is connected with the light source installing rack of medical apparatus; be provided with the main circuit of control light source in the described medical apparatus; wherein; the bottom of described radiator is provided with a bimetal strip thermostat near the position of light source installing rack, and described bimetal strip thermostat is connected in the described main circuit by lead.
Further, be provided with a normally closed fixed contact, normally closed moving contact and one in the described bimetal strip thermostat and often open fixed contact, described normally closed fixed contact, normally closed moving contact are connected in the described main circuit by lead, the described fixed contact of often opening is connected with an indicator light by lead, and the other end of described indicator light is connected by the normally closed moving contact of lead with power supply and bimetal strip thermostat.
Further, described radiator is a metal heat sink, and described radiator is provided with radiator fan.
The course of work of the present invention is: when medical apparatus ventilation condition variation, internal temperature rises, and when reaching the control temperature of bimetal strip thermostat, normally closed fixed contact and normally closed moving contact disconnect, the main circuit power failure, and instrument quits work; Normally closed moving contact is connected with often opening fixed contact simultaneously, indicator light work, and the prompting medical apparatus is shut down because of overheated.
The present invention and prior art contrast, and its effect is actively with tangible.The present invention is provided with bimetal strip thermostat on the light source heat radiation device of medical apparatus, instrument can autostop when instrument internal reached certain temperature extremes, the security hidden trouble when radiating condition becomes bad in having solved that instrument is long-time and using.
Description of drawings:
Fig. 1 is the principle schematic of heat source overheat protector in the medical apparatus of the present invention.
Embodiment:
As shown in Figure 1; heat source overheat protector is made of a radiator 1 in the medical apparatus of the present invention; described radiator 1 is connected with the light source installing rack 2 of medical apparatus; be provided with the main circuit of control light source in the described medical apparatus; wherein; the bottom of described radiator 1 is provided with a bimetal strip thermostat 3 near the position of light source installing rack 2, and described bimetal strip thermostat is connected in the described main circuit by lead.
Further, be provided with a normally closed fixed contact, normally closed moving contact and one in the described bimetal strip thermostat 3 and often open fixed contact, described normally closed fixed contact, normally closed moving contact are connected in the described main circuit by lead, the described fixed contact of often opening is connected with an indicator light by lead, and the other end of described indicator light is connected by the normally closed moving contact of lead with power supply and bimetal strip thermostat 3.Described radiator 1 is a metal heat sink, and described radiator is provided with radiator fan 4.
Claims (3)
1; heat source overheat protector in a kind of medical apparatus; constitute by a radiator; described radiator is connected with the light source installing rack of medical apparatus; be provided with the main circuit of control light source in the described medical apparatus; it is characterized in that: the bottom of described radiator is provided with a bimetal strip thermostat near the position of light source installing rack, and described bimetal strip thermostat is connected in the described main circuit by lead.
2; heat source overheat protector in the medical apparatus as claimed in claim 1; it is characterized in that: be provided with a normally closed fixed contact, normally closed moving contact and one in the described bimetal strip thermostat and often open fixed contact; described normally closed fixed contact, normally closed moving contact are connected in the described main circuit by lead; the described fixed contact of often opening is connected with an indicator light by lead, and the other end of described indicator light is connected by the normally closed moving contact of lead with power supply and bimetal strip thermostat.
3, heat source overheat protector in the medical apparatus as claimed in claim 1 is characterized in that: described radiator is a metal heat sink, and described radiator is provided with radiator fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510027301 CN1889320A (en) | 2005-06-29 | 2005-06-29 | Heat source overheat protector in medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510027301 CN1889320A (en) | 2005-06-29 | 2005-06-29 | Heat source overheat protector in medical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1889320A true CN1889320A (en) | 2007-01-03 |
Family
ID=37578582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510027301 Pending CN1889320A (en) | 2005-06-29 | 2005-06-29 | Heat source overheat protector in medical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1889320A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055170A (en) * | 2009-10-29 | 2011-05-11 | 喜来健株式会社 | Overheat prevention circuit for heat source of thermotherapy device |
| CN106068603A (en) * | 2015-02-23 | 2016-11-02 | 三菱电机株式会社 | Semi-conductor electricity force transducer |
-
2005
- 2005-06-29 CN CN 200510027301 patent/CN1889320A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055170A (en) * | 2009-10-29 | 2011-05-11 | 喜来健株式会社 | Overheat prevention circuit for heat source of thermotherapy device |
| CN102055170B (en) * | 2009-10-29 | 2013-09-18 | 喜来健株式会社 | Overheat prevention circuit for heat source of thermotherapy device |
| CN106068603A (en) * | 2015-02-23 | 2016-11-02 | 三菱电机株式会社 | Semi-conductor electricity force transducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |