CN2881505Y - Heat exchange system and sublow temperature therapeutic instrument using said heat exchange system - Google Patents
Heat exchange system and sublow temperature therapeutic instrument using said heat exchange system Download PDFInfo
- Publication number
- CN2881505Y CN2881505Y CN 200620056044 CN200620056044U CN2881505Y CN 2881505 Y CN2881505 Y CN 2881505Y CN 200620056044 CN200620056044 CN 200620056044 CN 200620056044 U CN200620056044 U CN 200620056044U CN 2881505 Y CN2881505 Y CN 2881505Y
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- water tank
- heat
- exchange system
- water
- coil pipe
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Abstract
The utility model relates to a heat exchange system and sublow temperature therapeutic instrument using the heat exchange system applied in medical utensil field. The heat exchange system contains a water tank, a pipe coil and a circulating water system; wherein, the water tank is filled with water and provided with an inlet and an outlet for circulating water; cooling medium flows in the pipe coil which winds around the outside of the water tank; the gap between the pipe coil and the outside of the water tank is filled with heat-conducting material; the pipe coil only winds around the lower part of the water tank with a water channeling device arranged inside. Due to arranging the pipe coil outside the water tank, the utility model avoids pollution of the whole circulation water system by corrosive substance from the pipe coil rust and blockage of various parts of the circulation water system, thereby being good for accurate control of water temperature.
Description
Technical field
The utility model relates to a kind of exchange heat system, particularly is applied to the heat-exchange system in medical instrument field; The utility model also relates to the sub-low-temperature therapeutic equipment that uses above-mentioned heat-exchange system.
Background technology
Utilize the principle of mild hypothermia therapy brain trauma, brain protection and hyperpyrexia illness according to medical circle; sub-low-temperature therapeutic equipment is by the temperature and the flow of circulating water in control treatment blanket/cap; provide relative stationary temperature to act on human body surface, patient's body surface is carried out Physical temperature-lowering by blanket/cap.It act as and reduces damage zone surrouding brain tissue CBF, reduces the metabolic activity of brain, reduces intracranial pressure, reduces the brain oxygen consumption, reduces brain tissue lactic acid and piles up, and the neuroprotective cell promotes the recovery as early as possible of nervous function.And can reduce the high hot generation in operation back, and can carry out Physical temperature-lowering to the high heat of various types of intractables, thereby reach the reduction death rate, improve the good rate of recovering, increase the purpose of operation patients degree of safety.Utilize above-mentioned therapeutic equipment to treat simultaneously for the raise patient of body temperature of needs.Treat at present the variation of temperature of circulating water in blanket/cap in the sub-low-temperature therapeutic equipment and be and rely on be arranged in a water tank mobile that the coil pipe (being generally copper) of refrigerant or the heating wire water temperature that makes water tank change (abbreviation heat-exchange system) of switching on is arranged; Because coil pipe or heating wire long period of soaking are in water tank, coil pipe can get rusty, heating wire meeting scaling, corrosion thing or incrustation scale can flow in each parts of whole water circulating system along with the circulation of water, this will cause the whole water circulating system pipeline to narrow down, influence water temperature control, more serious situation is that line clogging takes place, and whole instrument can't run well.In addition,, be difficult for accurately control heating, the possibility that the electric leakage accident takes place is arranged, and power consumption be big by the electrical heating wire water temperature that raises.
The utility model content
A purpose of the present utility model is to provide a kind of heat-exchange system that the corrosion thing can not produce incrustation scale again that neither can produce.
Another purpose of the present utility model is to provide a kind of sub-low-temperature therapeutic equipment that utilizes above-mentioned heat-exchange system.
The purpose of this utility model is achieved by the following scheme:
A kind of heat-exchange system comprises water tank, coil pipe, circulation; In described water tank, water is housed, on water tank, is provided with the import and export of recirculated water; Flowing in described coil pipe has refrigerant, it is characterized in that described coil pipe is wrapped in the outside of described water tank wall.
The gap that the described coil pipe and the described water tank wall outside form is filled with Heat Conduction Material.
Described coil pipe only is wrapped in the Lower Half of described water tank.
In described water tank, be provided with a water guider.
Described coil pipe can conduct heat to water tank, also can absorb the heat of water tank, can carry out two-way heat transfer between promptly described coil pipe and the water tank.
The back of the described water circulating pump in described circulation is connected to a triple valve, connects a pipeline at port of described triple valve and directly feeds described water tank.
A kind of sub-low-temperature therapeutic equipment comprises a heat-exchange system and control system, and described heat-exchange system comprises water tank, coil pipe; In described water tank, water is housed, on water tank, is provided with the import and export of recirculated water; Flowing in described coil pipe has refrigerant, it is characterized in that described coil pipe is wrapped in the outside of described water tank wall.
Because the utility model is arranged at described coil pipe outside the described water tank, the corrosion thing of having avoided coil pipe to get rusty producing pollutes the whole circulation water system, has avoided the blocked danger of each parts of water circulation system, helps accurately controlling water temperature.By add Heat Conduction Material between the gap of coil pipe and water tank, only twine coil pipe in the water tank Lower Half in addition, it all is in order to improve the heat exchanger effectiveness of heat-exchange system that water guider is set; Only twine coil pipe simultaneously and prevent that in addition water route ice is stifled, damage equipment in the water tank Lower Half.Utilize the sub-low-temperature therapeutic equipment of above-mentioned heat-exchange system can accurately control water temperature, and because described coil pipe can conduct heat to water tank, also can absorb the heat of water tank, make the sub-low-temperature therapeutic equipment treatment that can under foolproof situation, heat up, and power consumption significantly reduces.
Description of drawings
Fig. 1 is the schematic diagram of whole heat-exchange system;
Fig. 2 is the partial schematic diagram one of heat-exchange system;
Fig. 3 is the partial schematic diagram two of heat-exchange system;
Fig. 4 is the partial schematic diagram of the utility model embodiment two described heat-exchange systems;
Fig. 5 is the partial schematic diagram of the utility model embodiment three described heat-exchange systems;
Fig. 6 is the partial schematic diagram of the utility model embodiment four described heat-exchange systems;
The specific embodiment
The utility model is example with the sub-low-temperature therapeutic equipment that uses heat-exchange system described in the technical scheme, further specifies the characteristic of the technical program.
Embodiment one
A kind of sub-low-temperature therapeutic equipment comprises a heat-exchange system and control system.Shown in Fig. 1-4, described heat-exchange system comprises water tank 1, coil pipe 2; Water 3 is housed in described water tank, on water tank, is provided with the import and export 4,5 of recirculated water; Described water tank outlet 5 links to each other by the import of pipeline with water circulating pump 6, the outlet of described water circulating pump 6 links to each other by the import of pipeline with treatment blanket or cap 7, the outlet of described treatment blanket or cap 7 links to each other with described water tank import 4 by pipeline, constitutes the circulation of a sealing.Described coil pipe 2 is formed a cooling and warming circulatory system by pipeline and throttling arrangement, compressor, another heat exchanger, reversing arrangement; In the described cooling and warming circulatory system, flow refrigerant is arranged.Described coil pipe 2 is close to the outside that described tank outer wall is wrapped in described water tank 1, and described coil pipe 2 can conduct heat to described water tank 1, also can absorb the heat of described water tank 1, can carry out two-way heat transfer between promptly described coil pipe and the water tank.Described control system is controlled all equipment by electric energy or signal of telecommunication control.
For the ease of producing and processing described water tank 1 preferred integrated cylinder; Because described coil pipe 2 is cylindrical, but described coil pipe 2 is wrapped in the outside of described water tank 1, can form some gaps, in order to strengthen heat exchange efficiency, fully heat conduction, be filled with Heat Conduction Material 8 in described coil pipe 2 and the gap that the described water tank wall outside forms, described Heat Conduction Material can be the good conductor of heat such as tin or copper or aluminium.
Because after described water circulating pump 6 drives, water level in the described water tank 1 will descend, if the outer wall of whole water tank is all twined described coil pipe from top to bottom, can occur described water tank 1 top so and cross cold junction ice when refrigeration, cause the stifled damage equipment of water route ice, reduce heat exchange efficiency; When heating, do not have the heat exchange object, cause waste, even cause that water temperature is wayward.Therefore described coil pipe 2 preferably only is wrapped in the Lower Half of described water tank 1, as shown in Figure 2.
Since tank box with described coil pipe heat exchange after, with the water that will pass at first near the tank inner wall face, as everyone knows, water is non-conductor, do not having under the condition of disturbance, conduct heat slowly, make to be unfavorable for being applied to treat sufferer in described water tank waters, middle part and bigger near near the temperature difference in the waters water tank wall.Heat exchange efficiency for the whole heat-exchange system of further enhancing promotes even water temperature, and is easy to control, reaches the temperature of setting fast.As shown in Figure 3, in described water tank 1, be provided with a water guider 9; Described water guider 9 comprises that the cylinder with certain altitude 91, that is fixed in described water tank 1 bottom is positioned at the umbrella 92 of described water tank 1 middle and upper part; The maximum outline of described umbrella drops on the annular section of described cylinder and the formation of described tank inner wall in the projection of described water tank bottom.Described cylinder 91 becomes two parts with the moisture in the described water tank 1, and a part is the water in the described cylinder 91, and another part is the ring-type waters that cylinder 91 and described water tank 1 inwall form.The delivery port of described water tank 1 is positioned at described cylinder 91 formed scopes.Because the water in the ring-type waters is near the tank inner wall face, water temperature is lower, flow to the water disturbance that the higher water of the temperature of coming can cause described ring-type waters after by umbrella 92 from described water tank inlet, and enter in the described cylinder 91 by described outlet 5 outflow water tanks 1 after the lower water of temperature mixes.
Embodiment two
As shown in Figure 4, also be provided with a water guider 9 in the described water tank, uniquely with embodiment one different be, outer edge by described umbrella 92 vertically extends to the bottom of described water tank 1, but also keep with a certain distance from the bottom, it is more even that this mode can make the higher water of lower water of temperature and temperature mix, and helping accurately, control flows to described treatment blanket or cap 7 water temperatures.Arrow is represented water (flow) direction among the figure.
Embodiment three
As shown in Figure 5, be that with the difference of second embodiment top of the described umbrella 92 of described water tank water guider 9 is not the pinnacle, but a groove, the cross section of described groove can be V word or U font.The water of returning from described treatment blanket or cap 7 will the mode by overflow flow to the water tank bottom more uniformly after filling with groove like this; Can be so that the higher water of the lower water of temperature and temperature mixes more even.
Embodiment four
As shown in Figure 6, the difference of present embodiment and above-mentioned several embodiment maximums is, in the back of described water circulating pump 6, is connected to a controlled triple valve 10, connects a pipeline at port of described controlled triple valve 10 and directly feeds described water tank 1.Described controlled triple valve 10 can make the water that comes out from described water circulating pump 6 can only flow directly into water tank or can only be by getting back to water tank behind described treatment blanket or the cap 7.Certainly, described controlled triple valve 10 can substitute with the magnetic valve that a plain triple valve and is positioned on the pipeline of the described water tank 1 of direct feeding.
The purpose that present embodiment is provided with like this is, because sub-low-temperature therapeutic equipment generally uses in hospital, is mainly used in the urgent patient of rescue brain trauma, brain protection and hyperpyrexia illness; If patient has come start operation more by the time, may cause irremediable influence, so generally all be to start shooting (, not forming a circulation that has described treatment blanket or cap 7 to participate in) always or need only the doctor to move once the start of going to work only to the water for cooling in the water tank.Like this,, do not having under the condition of disturbance, conducting heat slowly, can make that the temperature difference in described water tank waters, middle part and near the waters of close water tank wall is bigger, even on water tank wall, occur freezing owing to water is non-conductor.After adding this pipeline, can allow water in the water tank form one in circulation, can quicken heat exchange, can not occur uneven in temperature even freezing phenomenon occurs; Having need be just to be correlated with to switch the needs that guarantee use.
Certainly, in practice, add water guider in water tank, not being wrapped in the heat exchange of described tank outer wall side with coil pipe is prerequisite.
In addition, on the water tank wall of described water tank near tank upper cover, can be provided with one and overflow device automatically, the described device that overflows automatically is discharged to outside the sub-low-temperature therapeutic equipment by a pipeline; Prevent that the water overfill in the water tank from spilling in the sub-low-temperature therapeutic equipment, causes unsafe factor.
Because the utility model is arranged at described coil pipe outside the described water tank, the corrosion thing of having avoided coil pipe to get rusty producing pollutes the whole circulation water system, has avoided the blocked danger of each parts of water circulation system, helps accurately controlling water temperature.By add Heat Conduction Material between the gap of coil pipe and water tank, only twine coil pipe in the water tank Lower Half in addition, it all is in order to improve the heat exchanger effectiveness of heat-exchange system that water guider is set; Experiment shows, utilizes water guider and do not utilize water guider to compare cooling or programming rate has 1-2 gap doubly.Only twine coil pipe simultaneously and prevent that in addition water route ice is stifled, damage equipment in the water tank Lower Half.Utilize the sub-low-temperature therapeutic equipment of above-mentioned heat-exchange system can accurately control water temperature, and because described coil pipe can conduct heat to water tank, also can absorb the heat of water tank, make the sub-low-temperature therapeutic equipment treatment that can under foolproof situation, heat up, and power consumption significantly reduces, experiment shows that the power that utilizes coil pipe to consume to the water tank heat transfer only is to utilize 1/5 of heating wire heating institute consumed power.
Above the utility model is by having illustrated the technical solution of the utility model with the example that is applied as of described heat exchanger on mild hypothermia therapy one, but this can not be used for limiting protection domain of the present utility model; Heat-conducting medium in the water tank can be other fluids etc. as described.So change of the conspicuous unsubstantiality that those skilled in the art make according to the utility model or improve the protection domain that all should fall within the utility model claim.
Claims (11)
1, a kind of heat-exchange system comprises water tank, coil pipe, circulation; In described water tank, water is housed, on water tank, is provided with the import and export of recirculated water; Flowing in described coil pipe has refrigerant, it is characterized in that described coil pipe is wrapped in the outside of described water tank wall.
2, a kind of heat-exchange system according to claim 1 is characterized in that, the gap that the described coil pipe and the described water tank wall outside form is filled with Heat Conduction Material.
3, a kind of heat-exchange system according to claim 1 is characterized in that, described coil pipe only is wrapped in the Lower Half of described water tank.
4, a kind of heat-exchange system according to claim 1 is characterized in that, carries out two-way heat transfer between described coil pipe and the water tank.
5, a kind of heat-exchange system according to claim 1 is characterized in that, is provided with a water guider in described water tank.
6, a kind of heat-exchange system according to claim 5 is characterized in that, described water guider comprises the cylinder with certain altitude that is fixed in described water tank bottom, and one is positioned at the umbrella of described water tank middle and upper part; The maximum outline of described umbrella drops on the annular section of described cylinder and the formation of described tank inner wall in the projection of described water tank bottom.
7, a kind of heat-exchange system according to claim 6 is characterized in that, the maximum outline of described umbrella vertically extends to the bottom of described water tank, keeps distance with water tank bottom.
8, a kind of heat-exchange system according to claim 6 is characterized in that, the top of described umbrella is a groove.
9, according to any one described a kind of heat-exchange system among the claim 1-8, it is characterized in that, the back of the described water circulating pump in described circulation is connected to a triple valve, connects a pipeline at port of described triple valve and directly feeds described water tank.
10, according to any one described a kind of heat-exchange system among the claim 1-8, it is characterized in that, on the water tank wall of described water tank, be provided with one and overflow device automatically near tank upper cover.
11, a kind of sub-low-temperature therapeutic equipment that utilizes the described heat-exchange system of claim 1-8 also comprises control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056044 CN2881505Y (en) | 2006-03-08 | 2006-03-08 | Heat exchange system and sublow temperature therapeutic instrument using said heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056044 CN2881505Y (en) | 2006-03-08 | 2006-03-08 | Heat exchange system and sublow temperature therapeutic instrument using said heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881505Y true CN2881505Y (en) | 2007-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620056044 Expired - Fee Related CN2881505Y (en) | 2006-03-08 | 2006-03-08 | Heat exchange system and sublow temperature therapeutic instrument using said heat exchange system |
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| CN (1) | CN2881505Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103479464A (en) * | 2013-08-23 | 2014-01-01 | 珠海和佳医疗设备股份有限公司 | Multi-functional mild hypothermia therapeutic apparatus water tank |
| CN110307738A (en) * | 2019-07-23 | 2019-10-08 | 黄河勘测规划设计研究院有限公司 | Pipe heat exchanger suitable for power station closed cycle technical water supply system |
| CN113693814A (en) * | 2021-09-07 | 2021-11-26 | 南京工业大学 | Portable hand scald latent heat eliminating equipment and method based on coil pipe heat convection |
-
2006
- 2006-03-08 CN CN 200620056044 patent/CN2881505Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103479464A (en) * | 2013-08-23 | 2014-01-01 | 珠海和佳医疗设备股份有限公司 | Multi-functional mild hypothermia therapeutic apparatus water tank |
| CN103479464B (en) * | 2013-08-23 | 2015-08-26 | 珠海和佳医疗设备股份有限公司 | Multi-functional mild hypothermia therapeutic water tank |
| CN110307738A (en) * | 2019-07-23 | 2019-10-08 | 黄河勘测规划设计研究院有限公司 | Pipe heat exchanger suitable for power station closed cycle technical water supply system |
| CN113693814A (en) * | 2021-09-07 | 2021-11-26 | 南京工业大学 | Portable hand scald latent heat eliminating equipment and method based on coil pipe heat convection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070321 Termination date: 20120308 |