CN210170066U - Single-circulation double-water-tank medical equipment constant-temperature cooling system - Google Patents
Single-circulation double-water-tank medical equipment constant-temperature cooling system Download PDFInfo
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- CN210170066U CN210170066U CN201920381503.6U CN201920381503U CN210170066U CN 210170066 U CN210170066 U CN 210170066U CN 201920381503 U CN201920381503 U CN 201920381503U CN 210170066 U CN210170066 U CN 210170066U
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Abstract
The utility model relates to a single-circulation double-water-tank medical equipment constant-temperature cooling system, which comprises an air-water heat exchanger, a three-way regulating valve, a water tank A, a water tank B, a temperature measurer II, a temperature measurer I, a circulating pump, medical equipment and a heater; the output end of a heat exchange pipeline of the medical equipment is connected with the input end of the water tank B, and a second temperature measurer is arranged on the heat exchange pipeline; the output end of the water tank B is connected with the input end of the three-way regulating valve; a heater is arranged in the water tank B; the first output end of the three-way regulating valve is connected with the input end of the air-water heat exchanger; the second output end of the three-way regulating valve and the output end of the air-water radiator are connected in parallel with a pipeline and then connected with the input end of the water tank A; the output end of the water tank A is connected with the input end of the medical equipment through a circulating pump; the input end of the medical equipment is provided with a first temperature measurer. The realization can realize the thermostatic control of high accuracy through the mode of power replacement under the condition of adopting single circulation water diversion control cooling mode, guarantees simultaneously that the discharge of water in the single circulation pipeline keeps unchangeable.
Description
Technical Field
The utility model relates to a medical equipment constant temperature cooling field, it is a single circulation water cooling system, adopts the mode of two water tanks to realize the high accuracy constant temperature control of cooling water.
Background
Large medical equipment such as medical accelerators, CT, nuclear magnetic resonance and the like are high-power medical equipment, can generate a large amount of heat during working, and need to be cooled by a matched water cooling system, so that safe, reliable and accurate operation of the large medical equipment is ensured. The equipment requires a constant temperature control function of the water cooling system, namely the temperature of cooling water entering the equipment needs to be constant within a certain precision range, and the temperature precision is generally required to be controlled within +/-0.5 ℃.
As shown in the schematic diagram of FIG. 1, the temperature of T1 point is required to be within + -0.5 deg.C of the set temperature value when the medical equipment is working.
The conventional single-circulation water cooling system has the following disadvantages:
1. if the water temperature of the system is lower than the set temperature value, a heating device in the water tank A needs to be started, heating is a temperature control process with large inertia, the temperature of the T1 point is difficult to be stabilized within the set value allowable precision range in a short time, and substandard water can directly enter medical equipment.
2. Medical equipment generally is the intermittent type nature device that generates heat, and the during operation goes out water temperature and rises rapidly, and three-way control valve can frequently adjust by a wide margin, causes whole pipeline water resistance to appear violent change, makes pipeline flow change great, is unfavorable for the cooling of medical accelerator. And the water temperature entering the water tank A through the wind-water heat exchanger is difficult to quickly stabilize to a set value, and finally the water temperature of the water tank A changes, so that the water temperature in the medical equipment cannot be stably entered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at realizing that the water inlet temperature of the medical equipment is stabilized within the range of +/-0.5 ℃ of the set temperature under the condition of adopting the single-circulation water cooling system, and ensuring the basic constant of the pipeline flow of the whole water cooling system.
In order to realize the purpose, the utility model discloses a technical scheme is:
a single-circulation double-water-tank medical equipment constant-temperature cooling system comprises an air-water heat exchanger, a three-way regulating valve, a water tank A, a water tank B, a temperature measurer, a heater, a circulating pump and medical equipment; the output end of a heat exchange pipeline of the medical equipment is connected with the input end of the water tank B, and a second temperature measurer is arranged on the heat exchange pipeline; the output end of the water tank B is connected with the input end of the three-way regulating valve; a third temperature measurer is arranged at the output end of the water tank B; a heater is arranged in the water tank B; the first output end of the three-way regulating valve is connected with the input end of the air-water heat exchanger; the second output end of the three-way regulating valve and the output end of the air-water radiator are connected in parallel with a pipeline and then connected with the input end of the water tank A; the output end of the water tank A is connected with the input end of the medical equipment through a circulating pump.
The utility model has the advantages that:
1. the utility model discloses being less than the settlement temperature value when the system temperature, starting the heating device in the water tank B, the temperature after the heating can be easier after three-way regulating valve adjusts the temperature that reaches the requirement, again through water tank A's samming effect, and temperature control accuracy can improve greatly, and the temperature of will intaking is stabilized at the required value very easily.
2. The utility model discloses a have heating device in the water tank B, heating device power is the same with medical equipment power, before medical equipment does not work, start heating device, adjust the three-way governing valve, the messenger enters into water tank A well temperature and stabilizes at the value of asking for, after medical equipment work, then stop heating device, realize the power replacement, three-way governing valve need not be frequent action on a large scale this moment, only need can make the temperature that gets into in water tank A at original position fine setting and stabilize at the value of asking for, just so guaranteed that whole water cooling system flow is invariable, more do benefit to the accurate control of temperature value simultaneously.
Drawings
FIG. 1 is a diagram of a conventional single cycle water cooling system.
Fig. 2 is a diagram of a single-circulation double-water-tank water cooling system of the utility model.
Fig. 3 is a schematic diagram of the single-circulation double-water-tank water cooling system of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 2-3 of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The object protected by the utility model is the structure and structure of the product, so the utility model provides a single-cycle double-water-tank medical equipment constant temperature cooling system, which comprises a wind-water heat exchanger 1, a three-way regulating valve V2, a water tank A3, a water tank B4, a temperature measurer I11, a temperature measurer II T12, a temperature measurer III T13, a temperature measurer IV T14, a circulating pump P5 and medical equipment D6;
the output end of a heat exchange pipeline of the medical equipment D is connected with the input end of the water tank B, and a temperature measurer II T2 is arranged on the heat exchange pipeline and used for detecting the outlet water temperature of the medical equipment;
the output end of the water tank B is connected with the input end of a three-way regulating valve V; the first output end of the three-way regulating valve V is connected with the input end of the air-water heat exchanger C; the second output end of the three-way regulating valve V is connected with the input end of the water tank A;
the output end of the air-water heat exchanger C is connected with the input end of the water tank A;
the output end of the water tank A is connected with the input end of the medical equipment D through a circulating pump P;
a temperature measurer T1 is arranged between the circulating pump P and the medical equipment D and used for detecting the water inlet temperature of the medical equipment D.
The heater 7 and the electric heater with a coil pipe structure are arranged in the water tank B.
And a temperature measurer three T3 is arranged between the water tank B and the three-way regulating valve V and is used for detecting the outlet water temperature of the water tank B.
And a temperature measurer IV T4 is arranged at the input port of the water tank A and is used for detecting the water inlet temperature of the water tank A.
The specific implementation mode of the single-circulation double-water-tank water cooling system is as follows: two water tanks are placed in the whole single-circulation water circuit system: the water tank A is positioned at the water inlet end of the medical equipment, and the water tank B is positioned at the water outlet end of the medical equipment and is provided with a heater. When the water cooling system works, the circulating pump P is started to realize water circulation, the heater is started to heat, and the three-way regulating valve V (adopting the US TOOE brand VB3300) is regulated at the same time, so that the temperature of outlet water detected by the temperature measurer four T4 is stabilized at a set value (if the set value is 30 ℃), and after 30 ℃ water enters the water tank A and is subjected to temperature equalization, the temperature detected by the temperature measurer one T1 is also 30 ℃, at the moment, the medical equipment is allowed to start to work, after the medical equipment is started, the heater H1 is stopped to heat, power replacement is realized, the three-way regulating valve V can stabilize the temperature of the temperature measurer one T1 at 30 ℃ only by micro action, so that the flow of the whole water system is basically constant when the medical equipment works, and.
According to the specific embodiment of the invention, the device can be connected with a PLC (programmable logic controller), the PLC belongs to the known technology in the field, the PLC is adopted to collect the temperature of four T4 points of a temperature measurer as the input quantity of automatic control, and the PLC is adopted to control the V opening of the three-way regulating valve through the known PID control method; and (3) stabilizing the temperature of the temperature measurer at the point T4 to 30 ℃, simultaneously acquiring the temperature of the temperature measurer at the point T1 by the PLC, and controlling the medical equipment D to start by the PLC once the temperature of the temperature measurer at the point T1 is stabilized to 30 ℃. The PLC controller collects the operating signals of the medical equipment, and the heating device in the water tank B is switched off, so that power replacement is realized. When the heater in the water tank B works, the PLC acquires the temperature of the temperature measurer at the position of three T3, memorizes the temperature value, and once the temperature of the temperature measurer at the position of three T3 is lower than the temperature value, the heating device in the water tank B is started to stabilize the temperature of the temperature measurer at the position of three T3, so that the micro-motion of the three-way adjusting valve V is ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.
Claims (5)
1. The utility model provides a two water tank medical equipment constant temperature cooling system of single cycle which characterized in that:
the system comprises an air-water heat exchanger, a three-way regulating valve, a water tank A, a water tank B, a temperature measurer, a heater, a circulating pump and medical equipment;
the output end of a heat exchange pipeline of the medical equipment is connected with the input end of the water tank B, and a second temperature measurer is arranged on the heat exchange pipeline;
the output end of the water tank B is connected with the input end of the three-way regulating valve; a third temperature measurer is arranged at the output end of the water tank B; a heater is arranged in the water tank B;
the first output end of the three-way regulating valve is connected with the input end of the air-water heat exchanger; the second output end of the three-way regulating valve and the output end of the air-water radiator are connected in parallel with a pipeline and then connected with the input end of the water tank A;
the output end of the water tank A is connected with the input end of the medical equipment through a circulating pump.
2. The single-cycle dual-tank medical equipment constant-temperature cooling system according to claim 1, characterized in that:
a first temperature measurer is arranged between the circulating pump and the medical equipment.
3. The single-cycle dual-tank medical equipment constant-temperature cooling system according to claim 1, characterized in that:
a heater is arranged in the water tank B.
4. The single-cycle dual-tank medical equipment constant-temperature cooling system according to claim 1, characterized in that:
and a third temperature measurer is arranged between the water tank B and the three-way regulating valve.
5. The single-cycle dual-tank medical equipment constant-temperature cooling system according to claim 1, characterized in that:
and a fourth temperature measurer is arranged at the input port of the water tank A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381503.6U CN210170066U (en) | 2019-03-25 | 2019-03-25 | Single-circulation double-water-tank medical equipment constant-temperature cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381503.6U CN210170066U (en) | 2019-03-25 | 2019-03-25 | Single-circulation double-water-tank medical equipment constant-temperature cooling system |
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| Publication Number | Publication Date |
|---|---|
| CN210170066U true CN210170066U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920381503.6U Active CN210170066U (en) | 2019-03-25 | 2019-03-25 | Single-circulation double-water-tank medical equipment constant-temperature cooling system |
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| Country | Link |
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| CN (1) | CN210170066U (en) |
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- 2019-03-25 CN CN201920381503.6U patent/CN210170066U/en active Active
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