CN201798977U - Electromagnetic infusion thermostat - Google Patents
Electromagnetic infusion thermostat Download PDFInfo
- Publication number
- CN201798977U CN201798977U CN2010202869930U CN201020286993U CN201798977U CN 201798977 U CN201798977 U CN 201798977U CN 2010202869930 U CN2010202869930 U CN 2010202869930U CN 201020286993 U CN201020286993 U CN 201020286993U CN 201798977 U CN201798977 U CN 201798977U
- Authority
- CN
- China
- Prior art keywords
- electromagnetic
- electromagnetic eddy
- temperature
- infusion
- eddy current
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to an electromagnetic infusion thermostat which adopts an electromagnetic eddy current heating body (1) as a heating source body, a contact infusion tube is directly used for carrying out constant-temperature heating, and the constant-temperature heating is realized by directly detecting and controlling the temperature of the heating source body. The electromagnetic eddy current heating body (1) comprises an electromagnetic induction coil (2) and a magnetic alloy material (3), a temperature sensor (4) is embedded on the electromagnetic eddy current heating body (1), and an infusion tube embedding groove (5) is formed on the electromagnetic eddy current heating body (1). An input power supply is converted to low voltage by a transformer (7), the low voltage is outputted to a control circuit board (6), and the frequency modulation is carried out for forming intermediate frequency current which is further outputted to the electromagnetic induction coil (2) on the electromagnetic eddy current heating body (1). The temperature sensor (4) feeds back a signal to the circuit board for controlling the output of the intermediate frequency current. The infusion tube is directly embedded in the infusion tube embedding groove (5) on the electromagnetic eddy current heating body (1) for direct constant-temperature heating. The electromagnetic infusion thermostat has the benefits of effectively simplifying the structure of an infusion thermostatic device and improving the accuracy of infusion constant temperature.
Description
Affiliated technical field
This utility model is a kind of thermostat of medical vein transfusion, particularly a kind of electromagnetism infusion thermostat, adopt electromagnetic eddy heater [1] as the pyrotoxin body,, directly carry out heated at constant temperature with pyrotoxin body contact tube for transfusion by the temperature of direct detection and control heating body source.
Background technology
In the prior art, known electric pyrotoxin body self temperature is wayward, when heating object needs constant temperature or when responsive, need carry out conduction of heat to overtemperature by medium.In heating process, it is temperature required that pyrotoxin body temperature degree can be higher than heating object, when detecting heating object or heat medium and reach serviceability temperature, even and seasonal pyrotoxin body stop heating, this moment, the pyrotoxin body still can continue to discharge heat energy by instant high temperature.
Medicine in the clinical vein transfusion is thermally sensitive material.Human body also is responsive to the temperature of venous transfusion.
Existing transfusion thermostat can't directly be controlled pyrotoxin body temperature degree, adopts the medium conduction heating usually, and device simply easily makes the inaccurate and generation overheating problem of temperature control.Require temperature control complex structure then accurately, the manufacturing cost height.
Summary of the invention
The purpose of this utility model is to provide a kind of electromagnetic eddy heater [1] with temperature controllable as the pyrotoxin body, need not conduct the electromagnetism infusion thermostat that directly heats with pyrotoxin body contact tube for transfusion by means of heat medium.
The technical solution of the utility model is: a kind of electromagnetism infusion thermostat, constitute electromagnetic eddy heater [1] by electromagnetic induction coil [2] and magnetic alloy material [3], and be embedded with temperature sensor [4] on the electromagnetic eddy heater [1] and have tube for transfusion embedded groove [5].The input power supply is converted to low pressure by mains transformer [9] and exports control circuit board [8] to, frequency modulation forms the electromagnetic induction coil [2] that electric current of intermediate frequency exports electromagnetic eddy heater [1] to, electromagnetic eddy heater [1] is gone up temperature sensor [4] feedback signal of embedding to control circuit board [8], the output of control electric current of intermediate frequency.Tube for transfusion directly embeds the middle direct heating of tube for transfusion embedded groove [5] on the electromagnetic eddy heater [1].
This utility model compared with prior art has following advantage:
This utility model is realized the temperature control to the pyrotoxin body, directly carries out heated at constant temperature with pyrotoxin body contact tube for transfusion, structural reduction, and volume is little, makes simple, with low cost, easy to use.
Description of drawings
Accompanying drawing 1 is the structure chart of this utility model electromagnetism infusion thermostat:
[1] electromagnetic eddy heater [7] temperature sensor connecting line
[8] circuit board [9] mains transformer
The AC alternating current power supply
Accompanying drawing 2 is wherein: be the sketch map of this utility model electromagnetic eddy heater [1]: wherein:
[2] electromagnetic induction coil [3] magnetic alloy material
[4] temperature sensor [5] tube for transfusion embedded groove
[6] tube for transfusion
The specific embodiment
With reference to accompanying drawing one, transformator [9] connects civil power, the output low-tension supply is to circuit board [8], transformator and circuit board can adopt suitable shell to be installed together, circuit board is by the electromagnetic induction coil [2] of power line output low pressure intermediate frequency power supply to the electromagnetic eddy heater [1], and the temperature sensor on the electromagnetic eddy heater feeds back to circuit board by temperature sensor connecting line [7].Circuit board comprises intermediate frequency power supply generation, temperature control, current control circuit.
With reference to accompanying drawing two, adopt ferromagnetic material [3] forging and pressing to be processed into electromagnetic eddy heater [1], the electromagnetic eddy heater is a shaped body, heater top is rectangular plate shape, about length 150mm, about width 15-20mm, thickness is to be slightly larger than the tube for transfusion diameter, and vertically the centre has the tube for transfusion embedded groove, is advisable just to embed tube for transfusion, it is long that electromagnetic eddy heater lower periphery is pressed upper plate, wide indentation, two ends are circular-arc, and to twine the solenoid winding, indentation of heater lower periphery and thickness are to be fit to twine the solenoid winding, it is long not exceed upper plate, wide exceeding,, the heater bottom is embedded with temperature sensor.The electromagnetic eddy heater is placed in the shell of suitable material, electromagnetic eddy heater top panel opens at outside the shell.
Claims (3)
1. electromagnetism infusion thermostat, it is characterized in that: by electromagnetic eddy heater [1], mains transformer [9], control circuit board [8] constitutes, electromagnetic eddy heater [1] is made of electromagnetic induction coil [2] and magnetic alloy material [3], have tube for transfusion embedded groove [5] on the electromagnetic eddy heater [1], be embedded with temperature sensor [4].
2. according to claims 1 described electromagnetism infusion thermostat, it is characterized in that: tube for transfusion directly contacts electromagnetic eddy heater [1], embeds the tube for transfusion embedded groove [5] on the electromagnetic eddy heater [1].
3. according to claims 1 described electromagnetism infusion thermostat, it is characterized in that: what import electromagnetic eddy heater [1] electromagnetic induction coil [2] is safe low pressure intermediate frequency power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202869930U CN201798977U (en) | 2010-08-10 | 2010-08-10 | Electromagnetic infusion thermostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202869930U CN201798977U (en) | 2010-08-10 | 2010-08-10 | Electromagnetic infusion thermostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201798977U true CN201798977U (en) | 2011-04-20 |
Family
ID=43868493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202869930U Expired - Fee Related CN201798977U (en) | 2010-08-10 | 2010-08-10 | Electromagnetic infusion thermostat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201798977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160258124A1 (en) * | 2015-03-05 | 2016-09-08 | Jeffrey Ross Johnston | Magnetic Inductive Rail Switch Heater |
| US9717862B2 (en) | 2011-10-13 | 2017-08-01 | Mequ Aps | Infusion fluid warmer |
-
2010
- 2010-08-10 CN CN2010202869930U patent/CN201798977U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9717862B2 (en) | 2011-10-13 | 2017-08-01 | Mequ Aps | Infusion fluid warmer |
| US11364351B2 (en) | 2011-10-13 | 2022-06-21 | Mequ A/S | Infusion fluid warmer |
| US20160258124A1 (en) * | 2015-03-05 | 2016-09-08 | Jeffrey Ross Johnston | Magnetic Inductive Rail Switch Heater |
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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: 20110420 Termination date: 20120810 |