CN2067164U - Temp. controller for transfusion - Google Patents
Temp. controller for transfusion Download PDFInfo
- Publication number
- CN2067164U CN2067164U CN 90212729 CN90212729U CN2067164U CN 2067164 U CN2067164 U CN 2067164U CN 90212729 CN90212729 CN 90212729 CN 90212729 U CN90212729 U CN 90212729U CN 2067164 U CN2067164 U CN 2067164U
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- CN
- China
- Prior art keywords
- heating element
- ptc heating
- element heater
- temperature control
- control circuit
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- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a temperature controller for the transfusion, comprising a PTC heating element, a temperature control circuit, an electronic acoustic integrated circuit composed of a music integrated circuit chip and a piezoelectric loudspeaker and a transformer. The elements and the circuits are installed at the lower part of a box body providing with a cover in the centralized mode to form a heating cavity. The upper part of the box body is a heated cavity. A transfusion observation glass tube is put in the heated cavity. In the normal condition, the PTC heating element is warmed by the constant temperature. When the PTC heating element has the failure or the temperature is out of control to exceed the warning temperature caused by other reasons, the temperature control circuit cuts off the power supply of the PTC heating element and alarms by the audible and visible alarm.
Description
This utility model relates to a kind ofly can be the transfusion liquid Wen Jiawen that weighs, and surpasses set point of temperature and adjusts voltage automatically.The transfusion temperature controller that temperature control is capable of automatic alarm.
Transfusion is one of the most frequently used clinically treatment means, but at the wide geographic area in frigid zone and temperate zone, the time that had four, five months in 1 year at least brings discomfort to patient, even causes infusion reaction because of the transfusion temperature is low.At present still do not have special apparatus and solve this problem, the common employing of medical worker is put into hot water with medicine bottle and is soaked boiling hot method, improves temperature of liquid but very fast cool again, and it is too cold that some patients suffer from transfusion, have to irritate the hot water bag heating.
Therefore the purpose of this utility model is to propose a kind of can surpassing set point of temperature and adjust voltage automatically, the transfusion temperature controller that temperature control is capable of automatic alarm for the transfusion liquid Wen Jiawen that weighs.
This utility model relates to a kind of transfusion temperature controller, comprise the PTC heating element heater, temperature control circuit, electronic audio integrated circuit and the transformator formed by music integrated circuit sheet and piezoelectric loudspeaker, the PTC heating element heater is connected in series with bidirectional triode thyristor in the temperature control circuit, the electronic audio integrated circuit is connected on the light emitting diode in the temperature control circuit, transformator is connected with the input of temperature control circuit, above-mentioned device, circuit is installed the bottom that the hamper body is arranged in concentratedly, constitute heating chamber, the top of box body is the chamber that is heated, the intracavity that is heated is placed with observation tube, have supply socket also is housed on the hamper body, PTC heating element heater weighing apparatus Wen Jiawen under the normal condition, when PTC heating element heater fault or other reason caused temperature control to surpass alert army temperature, temperature control circuit cut off the power supply of PTC heating element heater, light emitting diode gets electroluminescence, and electronic audio integrated circuit buzzing is reported to the police.
Having in this utility model in the heating chamber of hamper body bottom has a midfeather that heating chamber is divided into two cavitys, have eyelet on the midfeather, to wear the lead that connects PTC heating element heater and temperature control circuit, the PTC heating element heater is packed in the cavity, temperature control circuit, electronic audio integrated circuit and transformator are packed in another cavity, so that they and PTC heating element heater are separated, one horizontal baffle is arranged at heating chamber top, horizontal baffle is above to be the chamber that is heated, and the top in the chamber that is heated has semi-circular recesses, and lid and box body are hinged, also have semi-circular recesses on the corresponding position of institute's recessing on lid and the box body, to place observation tube.
Temperature control circuit comprises critesistor R in this utility model, potentiometer W, accurate integrated regulator UA, transistor BG, LED and bidirectional triode thyristor SCR, potentiometer W is with accurate integrated regulator UA and connect with critesistor R and be connected in series, the other end of accurate integrated regulator UA is serially connected with diode D1, D2, to improve the turn-on threshold of accurate integrated regulator UA, the 3rd end of accurate integrated regulator UA is connected with the base stage of transistor BG by resistance R 1, resistance R 1 is the current-limiting resistance of transistor BG, LED and resistance R 3 are with R4 and connect with transistorized colelctor electrode and be connected, the current-limiting resistance R2 of music integrated circuit sheet and piezoelectric loudspeaker and LED also connects the other end that is connected on LED, resistance R 3 is connected in series with the control utmost point of bidirectional triode thyristor SCR, the anode series of bidirectional triode thyristor SCR is connected to the PTC heating element heater, the end of critesistor R, the negative electrode of transistorized emitter stage and bidirectional triode thyristor SCR also connects the positive pole that connects transformator, one end of potentiometer, the end of diode D2, one end of electronic audio integrated circuit, resistance R 2, one end of R4 and PTC heating element heater also connects, connect the transformator negative pole, also and be connected to by capacitor C 2 and be connected in series with diode D3 and be connected in series the capacitor step-down rectifier circuit of forming by Zener diode DW and capacitor C 1, transformator is connected with supply socket by lead on the negative electrode of bidirectional triode thyristor SCR and the PTC heating element heater.
It in this utility model the intravital temperature of observation box, the intracavity that is heated can be provided with a thermometer, thermometer can be fixed on the intravital horizontal baffle of box by fixed block and clamp, outer surface at box body can also be provided with cingulum, so that the transfusion temperature controller can be fixed on patient's the arm, prevent from that arm from moving syringe needle is stirred.
The utlity model has and be transfusion liquid weighing apparatus Wen Jiawen, surpass regulation and adjust voltage automatically, characteristics such as temperature control is capable of automatic alarm, simple in structure in addition in addition, easy to manufacture, easy to carry, advantage such as easy to use.
Description of drawings is as follows:
Fig. 1 is a structural representation of the present utility model
Fig. 2 is the structural representation of heating chamber in this utility model
Fig. 3 is a control circuit block diagram of the present utility model
Fig. 4 is a circuit diagram of the present utility model.
Accompanying drawing has been described embodiment of the present utility model, this utility model comprises PTC heating element heater 1, temperature control circuit 2, electronic audio integrated circuit 5 and the transformator 6 formed by music integrated circuit sheet 3 and piezoelectric loudspeaker 4, PTC heating element heater 1 is connected in series with bidirectional triode thyristor 7 in the temperature control circuit 2, electronic audio integrated circuit 5 is connected on the light emitting diode 8 in the temperature control circuit 2, transformator 6 is connected with the input of temperature control circuit 2, above-mentioned device, circuit is installed the bottom that hamper body 9 is arranged in concentratedly, constitute heating chamber, one midfeather 10 is arranged in the heating chamber, heating chamber is divided into two cavitys, perforate eye on the midfeather 10, PTC heating element heater 1 is packed in the cavity, and fix within it with insulating, temperature control circuit 2, electronic audio integrated circuit 5 and transformator 6 are packed in another cavity, also be fixed in the cavity to insulation, midfeather 10 is with PTC heating element heater 1 and temperature control circuit 2, electronic audio integrated circuit 5 and transformator 6 separate, the eyelet that the lead that connects PTC heating element heater 1 and temperature control circuit 2 is opened from the midfeather 10 passes, one horizontal baffle 11 is arranged at heating chamber top, have the hole 12 that to observe alarm signal on the horizontal baffle 11, horizontal baffle is the chamber that is heated more than 11, the top in the chamber that is heated has semi-circular recesses 13, and lid 14 is hinged with the edge of box body 9, also have semi-circular recesses 15 on institute's recessing 13 corresponding positions on lid 14 and the box body 9, to place observation tube 16, supply socket 17 also is housed on the box body 9, supply socket 17 is adopted commercially available.For observing the temperature in the box body 9, the intracavity that is heated can be provided with a thermometer 18, thermometer 18 is fixed on the horizontal baffle 11 in the box body 9 by fixed block 19 and clamp 20, on the outer surface of box body 9, can also be provided with cingulum 21, so that box body 9 can be fixed on patient's the arm, when preventing that arm from moving syringe needle is stirred.
Temperature control circuit 2 comprises critesistor 22 in this utility model, potentiometer 23, accurate integrated regulator 24, transistor 25, light emitting diode 8 and bidirectional triode thyristor 7, potentiometer 23 is with accurate integrated regulator 24 and connect with critesistor 22 and be connected in series, the other end of accurate integrated regulator 24 is serially connected with diode 26,27, to improve the turn-on threshold of accurate integrated regulator 24, the 3rd end of accurate integrated regulator 24 is connected with the base stage of transistor 25 by resistance 28, resistance 28 is the current-limiting resistance of transistor 25, light emitting diode 8 and resistance 29,30 and connect, be connected with the colelctor electrode of transistor 25, the current-limiting resistance 31 of music integrated circuit sheet 3 and piezoelectric loudspeaker 4 and light emitting diode 8 also connects the other end that is connected on light emitting diode 8, resistance 29 is connected in series with the control utmost point of bidirectional triode thyristor 7, the anode series of bidirectional triode thyristor 7 is connected to PTC heating element heater 1, one end of critesistor 22, the negative electrode of the emitter stage of transistor 25 and bidirectional triode thyristor 7 also connects the positive pole that connects transformator 6, one end of potentiometer 23, one end of diode 27, one end of electronic audio integrated circuit 5, resistance 31,30 and an end of PTC heating element heater 1 and connecing, connect the negative pole of transformator 6, go back on the negative electrode of bidirectional triode thyristor 7 and the PTC heating element heater 1 and be connected to and be connected in series by electric capacity 32 and diode 33, and being connected in series the capacitor step-down rectifier circuit of forming by Zener diode 34 and electric capacity 35, transformator 6 is connected with supply socket 17 by lead.
During use, open the lid 14, to put into the intracavity that is heated of box body 9 with the observation tube 16 that the transfusion sebific duct of carrying liquid links to each other, close lid 14, observation tube 16 two ends are stuck in the semi-circular recesses of being opened on box body 9 and the lid 14 13 and 15, by cingulum 21 box body is fixed, adjust potentiometer 23 and choose alert army temperature spot, external power supply is connected with supply socket 17 on the box body 9, when temperature in the box body is lower than alert army temperature, A point current potential is lower than the turn-on threshold of accurate integrated regulator 24, the input of transistor 25 base stage no currents, transistor 25 ends, the B point is an electronegative potential, bidirectional triode thyristor 7 conductings, PTC heating element heater 1 gets electric intensification, heat in the chamber in order to be heated, place the observation tube of the intracavity that is heated to be heated, be to flow into the intravital liquid heating of people thus through observation tube, when the temperature of heating surpasses police's army temperature, the resistance of critesistor 22 descends, the high turn-on threshold that surpasses accurate integrated regulator 24 of A point potential rise, transistor 25 conductings, B point current potential is high, and bidirectional triode thyristor 7 ends, 1 outage of PTC heating element heater, light emitting diode 8 gets electroluminescence, and music integrated circuit sheet 3 and piezoelectric loudspeaker 4 buzzings are reported to the police.
Claims (3)
1, a kind of transfusion temperature controller, it is characterized in that comprising the PTC heating element heater, temperature control circuit, electronic audio integrated circuit and the transformator formed by music integrated circuit sheet and piezoelectric loudspeaker, the PTC heating element heater is connected in series with bidirectional triode thyristor in the temperature control circuit, the electronic audio integrated circuit is connected on luminous two pipes in the temperature control circuit, transformator is connected with the input of temperature control circuit, above-mentioned device, circuit is installed the bottom that the hamper body is arranged in concentratedly, constitute heating chamber, the top of box body is the chamber that is heated, the intracavity that is heated is placed with observation tube, have supply socket also is housed on the hamper body, PTC heating element heater weighing apparatus Wen Jiawen under the normal condition, when PTC heating element heater fault or other reason caused temperature control to surpass alert army temperature, temperature control circuit cut off the power supply of PTC heating element heater, light emitting diode gets electroluminescence, and the buzzing of electronic audio integrated circuit is reported to the police.
2, transfusion temperature controller according to claim 1, it is characterized in that having in the heating chamber of hamper body bottom has a midfeather that heating chamber is divided into two cavitys, have eyelet on the midfeather, the PTC heating element heater is packed in the cavity, temperature control circuit, electronic audio integrated circuit and transformator are packed in another cavity, one horizontal baffle is arranged at heating chamber top, be the chamber that is heated more than the horizontal baffle, the be heated top in chamber has semi-circular recesses, lid and box body are hinged, also have semi-circular recesses on the corresponding position of institute's recessing on lid and the box body.
3, according to claim 2 or 3 described transfusion temperature controllers, it is characterized in that temperature control circuit comprises critesistor R, potentiometer W, accurate integrated regulator UA, transistor BG, LED and bidirectional triode thyristor SCR, potentiometer W is with accurate integrated regulator UA and connect with critesistor R and be connected in series, the other end of accurate integrated regulator UA is serially connected with diode D1, D2, to improve the turn-on threshold of accurate integrated regulator UA, the 3rd end of accurate integrated regulator UA is connected with the base stage of transistor BG by resistance R 1, resistance R 1 is the current-limiting resistance of transistor BG, LED and resistance R 3 are with R4 and connect with the colelctor electrode of transistor BG and be connected, the current-limiting resistance R2 of music integrated circuit sheet and piezoelectric loudspeaker and LED also connects the other end that is connected on LED, resistance R 3 is connected in series with the control utmost point of bidirectional triode thyristor SCR, the anode series of bidirectional triode thyristor SCR is connected to the PTC heating element heater, the end of critesistor R, the negative electrode of the emitter stage of transistor BG and bidirectional triode thyristor SCR also connects the positive pole that connects transformator, the end of potentiometer W, the end of diode D2, one end of electronic audio integrated circuit, resistance R 2, one end of R4 and PTC heating element heater also connects, connect the negative pole of transformator, also and be connected to by capacitor C 2 and be connected in series with diode D3 and be connected in series the capacitor step-down rectifier circuit of forming by Zener diode DW and capacitor C 1, transformator is connected with supply socket by lead on the negative electrode of bidirectional triode thyristor SCR and the PTC heating element heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90212729 CN2067164U (en) | 1990-06-06 | 1990-06-06 | Temp. controller for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90212729 CN2067164U (en) | 1990-06-06 | 1990-06-06 | Temp. controller for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2067164U true CN2067164U (en) | 1990-12-12 |
Family
ID=4892264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90212729 Withdrawn CN2067164U (en) | 1990-06-06 | 1990-06-06 | Temp. controller for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2067164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838878A (en) * | 2017-11-25 | 2019-06-04 | 秦皇岛欣蔚环保科技有限公司 | Control machine in haze fresh air purifying oxygenation room |
-
1990
- 1990-06-06 CN CN 90212729 patent/CN2067164U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838878A (en) * | 2017-11-25 | 2019-06-04 | 秦皇岛欣蔚环保科技有限公司 | Control machine in haze fresh air purifying oxygenation room |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |