CN211188594U - Transfusion system heating instrument - Google Patents
Transfusion system heating instrument Download PDFInfo
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- CN211188594U CN211188594U CN201921495878.1U CN201921495878U CN211188594U CN 211188594 U CN211188594 U CN 211188594U CN 201921495878 U CN201921495878 U CN 201921495878U CN 211188594 U CN211188594 U CN 211188594U
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- mounting groove
- detection box
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Abstract
The utility model discloses a heating instrument of a transfusion device, which comprises a bottom shell and a middle shell, wherein the bottom shell is fixed at the bottom of the middle shell, the middle shell is provided with a mounting groove, a buckle groove and a notch groove, a buckle plate is arranged at the corresponding position of a top cover and the buckle groove, and the buckle plate is assembled with the buckle groove in a clamping way; the top of the mounting groove is sealed and provided with a heating block; the mounting groove is filled with a phase change energy storage material, and the bottom of the mounting groove is fixed with a first detection box and a second detection box; the two ends of the heat conduction cavity are respectively provided with a temperature probe, and the output end of the temperature probe is electrically connected with the input end of the temperature sensor; the mounting groove is internally provided with an electric heating wire, the electric heating wire is electrified to generate heat, two ends of the electric heating wire are respectively and electrically connected with one ends of a first lead and a second lead, the other end of the first lead is electrically connected with a first electrode of the power socket, and the other end of the second lead is electrically connected with a second electrode of the power socket through a conducting strip; and the first lead or the second lead is provided with a button switch in series, and the button switch is triggered by the overheating protection component.
Description
Technical Field
The utility model relates to a medical appliance, in particular to a heating instrument for an infusion apparatus.
Background
The infusion heater (infusion apparatus heating instrument) is used for keeping the delivered liquid at about thirty-seven degrees, thereby reducing the cold stimulation of the patient and accelerating the medicine absorption. The existing transfusion heaters mainly comprise two types, one type adopts electric heating, and the heating is quick, and the temperature control is stable. The other method is to adopt a self-heating material, and heat is generated through material reflection, so that the method is very simple and convenient, a battery or an electric wire is not needed, but a large potential safety hazard exists, the temperature control is inaccurate, and an accident is easily caused.
Although the former electric heating infusion heating instrument adopts a single chip microcomputer to accurately control the temperature, the temperature is generally detected by adopting a probe, so that a large error exists, and a charging wire or a battery is not required to be connected, otherwise, the instrument cannot be used. However, in the practical application process, hospitals generally do not reserve excessive sockets, and the direct power-on mode easily causes leakage accidents. And once the temperature sensor is damaged, overheating is easily caused, and medical accidents are caused.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide an infusion apparatus heating device, which has an overheat protection function and can be continuously used after power failure.
In order to achieve the purpose, the utility model provides an infusion apparatus heating instrument, which comprises a bottom shell and a middle shell, wherein the bottom shell is fixed at the bottom of the middle shell, the middle shell is provided with a mounting groove, a buckling groove and a notch groove, a buckling plate is arranged at the position of the top cover corresponding to the buckling groove, and the buckling plate is in clamping assembly with the buckling groove; the top of the mounting groove is sealed and provided with a heating block; the mounting groove is filled with a phase change energy storage material, and a first detection box and a second detection box are fixed at the bottom of the mounting groove;
the two ends of the heat conduction cavity are respectively provided with a temperature probe, and the output end of the temperature probe is electrically connected with the input end of the temperature sensor; the mounting groove is internally provided with an electric heating wire, the electric heating wire is electrified to generate heat, two ends of the electric heating wire are respectively and electrically connected with one ends of a first lead and a second lead, the other end of the first lead is electrically connected with a first electrode of a power socket, and the other end of the second lead is electrically connected with a second electrode of the power socket through a conducting strip; the first electrode and the second electrode are respectively one of a positive electrode and a negative electrode; and the first lead or the second lead is provided with a button switch in series, and the button switch is triggered by the overheating protection component.
Preferably, the top cover is further included, a first hinge cylinder is fixed at the top of the middle shell, a second hinge cylinder is fixed at the fixing position of the top cover and the first hinge cylinder, and the rotating shaft penetrates through the first hinge cylinder and the second hinge cylinder and can be assembled in a circumferential rotating mode; the top cover covers the top of the middle shell.
Preferably, a heat conducting sheet is installed on a portion of the heating block located inside the installation groove, and countless through holes are formed in the heat conducting sheet.
Preferably, the heat conducting fins and the heating block are made of materials with high heat conductivity coefficients.
Preferably, a bent heating groove is formed in the heating block and used for placing the infusion leather strap.
Preferably, a signal end of the temperature sensor is in communication connection with a signal end of an MCU, and the MCU is installed on the mainboard; the power socket is electrically connected with the direct current output end of the AC-DC module, and the AC-DC module is used for converting commercial power into direct current which can be used by the mainboard, the temperature sensor, the heating wire and the display screen; the temperature sensor and the mainboard are respectively installed in the bottom cavity inside the bottom shell.
Preferably, the second detection box is internally provided with a hollow heat conduction cavity, heat conduction particles are filled in the heat conduction cavity, the heat conduction particles are made of a particle material with a high heat conduction coefficient, and the temperature probe is in contact with the heat conduction particles for heat conduction.
Preferably, the overheating protection component comprises a trigger rod and a memory spring, the trigger end of the button switch is opposite to one end of the trigger rod, the other end of the trigger rod is arranged in the induction inner cavity of the first detection box, a limiting ring is fixed on the part of the trigger rod arranged in the induction inner cavity, an arc-shaped spring piece is sleeved on the part of the trigger rod between the limiting ring and the bottom surface of the induction inner cavity, and the arc-shaped spring piece has elasticity;
the trigger bar is kept away from button switch and is served and be provided with first inclined plane, first inclined plane and second inclined plane contact, laminating, the second inclined plane sets up on the drive block, and the drive block is fixed on the deflector, response inner chamber inner wall block, slidable assembly of deflector and, install memory spring between the inner wall that deflector and response inner chamber are close to second detection box one end.
Preferably, the memory spring is stretched at 38-40 ℃ and shortened at 25-30 ℃; the first detection box and the second detection box are both made of materials with high heat conductivity coefficients.
Preferably, the middle shell and the bottom shell are respectively provided with a display screen and a button, a signal end of the display screen is in communication connection with an output end of a display circuit on the main board, so that the display screen can display information transmitted by the MCU, and the signal end of the MCU is in communication connection with an input end of the display circuit; the signal end of the MCU is also respectively in communication connection with the buttons, a control instruction can be input into the MCU when the buttons are triggered, and the display screen supplies power through the charging socket.
The utility model has the advantages that: the utility model discloses simple structure, convenient to use realizes overheated automatic power-off protection's function through memory spring to endless heating leads to the medical accident when preventing that electronic equipment or procedure from going wrong. And the utility model discloses a phase change energy storage material to can save the heat and guarantee that the heat evenly releases and continue to use in order to increase heating effect and outage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Fig. 4 is a schematic structural diagram of the present invention.
Fig. 5 is a schematic structural diagram of the present invention.
Fig. 6 is a schematic structural diagram of the present invention.
Fig. 7 is a schematic structural diagram of the present invention.
Fig. 8 is a schematic structural view of the overheat protection module of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-8, an infusion set heating instrument comprises a bottom shell 110, a middle shell 120 and a top cover 130, wherein the bottom shell 110 is fixed at the bottom of the middle shell 120, a first hinge tube 150 is fixed at the top of the middle shell 120, a second hinge tube 131 is fixed at the fixing position of the top cover 130 and the first hinge tube 150, and a rotating shaft 140 penetrates through the first hinge tube 150 and the second hinge tube 131 and can be assembled in a circumferential rotation manner;
the top cover 130 covers the top of the middle shell 120, the middle shell 120 is provided with a mounting groove 121, a buckling groove 122 and a notch groove 123, a buckling plate 132 is arranged at a position of the top cover 130 corresponding to the buckling groove 122, and the buckling plate 132 is buckled and assembled with the buckling groove 122, so that the buckling assembly and fixation of the top cover 130 and the middle shell 120 are realized; the slot 123 is used to facilitate the insertion of a finger under the cover 130, thereby facilitating the opening of the cover 130.
The top of the mounting groove 121 is sealed and provided with a heating block 160, a heat conducting fin 170 is arranged on the part of the heating block 160 positioned at the inner side of the mounting groove 121, and the heat conducting fin 170 and the heating block 160 are both made of materials with high heat conductivity coefficients;
the heating block 160 is provided with a curved heating groove 161, the heating groove 161 is used for placing the infusion leather strap, so as to heat the liquid medicine in the infusion leather strap, and the curved heating groove 161 can increase the heating effect of the liquid medicine.
The phase change energy storage material is filled in the mounting groove 121, the heat conducting sheet 170 is provided with a plurality of through holes 171, the bottom of the mounting groove 121 is fixed with a first detection box 310 and a second detection box 320, the inside of the second detection box 320 is a hollow heat conducting cavity 321, the heat conducting cavity 321 is filled with heat conducting particles 410, and the heat conducting particles 410 are made of particle materials with high heat conductivity coefficient, such as metal balls or metal sand;
the two ends of the heat conducting cavity 321 are respectively provided with a temperature probe 261, the output end of the temperature probe 261 is electrically connected with the input end of a temperature sensor, the signal end of the temperature sensor is in communication connection with the signal end of an MCU, and the MCU is arranged on the mainboard 280;
the heating wire 240 is further installed in the installation groove 121, the heating wire 240 is powered on to generate heat, two ends of the heating wire 240 are respectively electrically connected with one end of a first conducting wire 271 and one end of a second conducting wire 272, the other end of the first conducting wire 271 is electrically connected with a first electrode of the power socket 210, and the other end of the second conducting wire 272 is electrically connected with a second electrode of the power socket 210 through a conducting strip 273; the first electrode and the second electrode are respectively one of a positive electrode and a negative electrode. When the temperature control device is used, the power socket 210 is electrically connected with a direct current output end of the AC-DC module, and the AC-DC module is used for converting commercial power into direct current which can be used by the mainboard, the temperature sensor and the heating wire.
The temperature sensor and the main board are respectively installed in a bottom cavity 111 inside the bottom shell 110, the first wire 271 or the second wire 272 is serially provided with a button switch 250, a trigger end of the button switch 250 is opposite to one end of a trigger rod 540, so that the trigger rod 540 can trigger the button switch 250, the other end of the trigger rod 540 is installed in the sensing inner cavity 311 of the first detection box 310, a limiting ring 542 is fixed on a part of the trigger rod 540 which is installed in the sensing inner cavity 311, an arc-shaped spring leaf 550 is sleeved on a part of the trigger rod 540 which is located between the limiting ring 542 and the bottom surface of the sensing inner cavity 311, and the arc-shaped spring leaf 550 has elasticity and is used for generating elasticity for preventing the trigger rod 540 from moving downwards;
the end, far away from the button switch 250, of the trigger rod 540 is provided with a first inclined surface 541, the first inclined surface 541 is in contact with and attached to a second inclined surface 531, the second inclined surface 531 is arranged on the driving block 530, the driving block 530 is fixed on the guide plate 520, the guide plate 520 is clamped with the inner wall of the induction inner cavity 311 and can be assembled in a sliding mode, a memory spring 510 is arranged between the inner walls of the guide plate 520 and the induction inner cavity 311, close to one end of the second detection box 320, and the memory spring 510 extends at 38-40 ℃ and shortens at 25-30 ℃.
The first detection box 310 and the second detection box 320 are made of materials with high heat conductivity coefficient, when the device is used, the heating block 160, the heat conducting fin 170, the first detection box 310 and the second detection box 320 are directly heated by heat of the phase change energy storage materials, so that the heat conducting fin 170 transmits the heat to the heating block 160, the heating block 160 heats the infusion leather strips, and at the moment, the top cover 130 covers the top of the middle shell 120 to seal the heating groove 161;
and the heat is transmitted to the heat conductive particles 410 and the memory spring 510, and the heat conductive particles uniformly transmit the heat to the temperature probe 261, thereby greatly increasing the accuracy of temperature detection. Once the temperature of the memory spring 510 reaches 38-40 ℃, the memory spring 510 is extended, thereby driving the guide plate 520 and the driving block 530 to move toward the trigger lever, such that the second inclined surface 531 cooperates with the first inclined surface 541 to press the trigger lever down against the elastic force of the arc-shaped spring piece until the trigger lever triggers the button switch 250, at which time the button switch is turned off, the current of the heating wire is turned off to prevent overheating, and the button switch is turned on at the initial state. After the power is cut off, although the heating wire can not be used for heating continuously, the phase change energy storage material can also be used for continuously releasing heat, so that the heating can be maintained for a period of time, and the purpose of continuous use in the power-off state is achieved.
Preferably, the middle shell 120 and the bottom shell 110 are respectively provided with a display screen 220 and a button 230, a signal end of the display screen 220 is in communication connection with an output end of a display circuit (or a display card) on the main board, so that the display screen can display information transmitted by the MCU, and the signal end of the MCU is in communication connection with an input end of the display circuit; the signal end of the MCU is also respectively in communication connection with the button 230, and when the button 230 is triggered, a control instruction can be input into the MCU, so that the program built in the MCU can be adjusted or controlled conveniently, and the display screen supplies power through the charging socket 210.
The details of the present invention are well known to those skilled in the art.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an infusion set heating appearance, includes drain pan, mesochite, top cap, the drain pan is fixed in the mesochite bottom, characterized by: the middle shell is provided with a mounting groove, a buckling groove and a notch groove, a buckling plate is arranged at the position, corresponding to the buckling groove, of the top cover, and the buckling plate is assembled with the buckling groove in a clamping mode; the top of the mounting groove is sealed and provided with a heating block; the mounting groove is filled with a phase change energy storage material, and a first detection box and a second detection box are fixed at the bottom of the mounting groove; the second detection box is internally provided with a hollow heat conduction cavity, two ends of the heat conduction cavity are respectively provided with a temperature probe, and the output end of the temperature probe is electrically connected with the input end of the temperature sensor; the mounting groove is internally provided with an electric heating wire, the electric heating wire is electrified to generate heat, two ends of the electric heating wire are respectively and electrically connected with one ends of a first lead and a second lead, the other end of the first lead is electrically connected with a first electrode of a power socket, and the other end of the second lead is electrically connected with a second electrode of the power socket through a conducting strip; the first electrode and the second electrode are respectively one of a positive electrode and a negative electrode; and the first lead or the second lead is provided with a button switch in series, and the button switch is triggered by the overheating protection component.
2. The infusion set heating apparatus according to claim 1, wherein: the top of the middle shell is fixedly provided with a first hinge cylinder, a second hinge cylinder is fixedly arranged at the fixed position of the top cover and the first hinge cylinder, and a rotating shaft penetrates through the first hinge cylinder and the second hinge cylinder and can be circumferentially and rotatably assembled; the top cover covers the top of the middle shell.
3. The infusion set heating apparatus according to claim 1, wherein: the heating block is provided with a heat conducting sheet on the part positioned at the inner side of the mounting groove, and the heat conducting sheet is provided with countless through holes.
4. The infusion set heating apparatus according to claim 1, wherein: the heat conducting fins and the heating block are made of materials with high heat conductivity coefficients.
5. The infusion set heating apparatus according to claim 1 or 4, wherein: the heating block is provided with a bent heating groove, and the heating groove is used for placing the infusion leather strips.
6. The infusion set heating apparatus according to claim 1, wherein: the signal end of the temperature sensor is in communication connection with the signal end of the MCU, and the MCU is installed on the mainboard; the power socket is electrically connected with the direct current output end of the AC-DC module, and the AC-DC module is used for converting commercial power into direct current which can be used by the mainboard, the temperature sensor, the heating wire and the display screen; the temperature sensor and the mainboard are respectively installed in the bottom cavity inside the bottom shell.
7. The infusion set heating apparatus according to claim 1, wherein: the heat conduction cavity is filled with heat conduction particles, the heat conduction particles are made of particle materials with high heat conduction coefficients, and the temperature probe is in contact with the heat conduction particles for heat conduction.
8. The infusion set heating apparatus according to claim 1 or 6, wherein: the overheating protection component comprises a trigger rod and a memory spring, the trigger end of the button switch is opposite to one end of the trigger rod, the other end of the trigger rod is arranged in the sensing inner cavity of the first detection box, a limiting ring is fixed on the part of the trigger rod arranged in the sensing inner cavity, an arc-shaped spring piece is sleeved on the part of the trigger rod between the limiting ring and the bottom surface of the sensing inner cavity, and the arc-shaped spring piece has elasticity;
the trigger bar is kept away from button switch and is served and be provided with first inclined plane, first inclined plane and second inclined plane contact, laminating, the second inclined plane sets up on the drive block, and the drive block is fixed on the deflector, response inner chamber inner wall block, slidable assembly of deflector and, install memory spring between the inner wall that deflector and response inner chamber are close to second detection box one end.
9. The infusion set heating apparatus according to claim 8, wherein: the memory spring is stretched at 38-40 ℃ and shortened at 25-30 ℃; the first detection box and the second detection box are both made of materials with high heat conductivity coefficients.
10. The infusion set heating apparatus according to claim 8, wherein: the middle shell and the bottom shell are respectively provided with a display screen and a button, the signal end of the display screen is in communication connection with the output end of a display circuit on the mainboard, so that the display screen can display information transmitted by the MCU, and the signal end of the MCU is in communication connection with the input end of the display circuit; the signal end of the MCU is also respectively in communication connection with the buttons, a control instruction can be input into the MCU when the buttons are triggered, and the display screen supplies power through the charging socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495878.1U CN211188594U (en) | 2019-09-10 | 2019-09-10 | Transfusion system heating instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921495878.1U CN211188594U (en) | 2019-09-10 | 2019-09-10 | Transfusion system heating instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211188594U true CN211188594U (en) | 2020-08-07 |
Family
ID=71861979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921495878.1U Expired - Fee Related CN211188594U (en) | 2019-09-10 | 2019-09-10 | Transfusion system heating instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211188594U (en) |
-
2019
- 2019-09-10 CN CN201921495878.1U patent/CN211188594U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20210910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |