CN210311743U

CN210311743U - Portable liquid heat preservation device

Info

Publication number: CN210311743U
Application number: CN201920721756.3U
Authority: CN
Inventors: 杨霜; 徐育智; 练冬慧
Original assignee: Liuzhou Maternity and Child Healthcare Hospital
Current assignee: Liuzhou Maternity and Child Healthcare Hospital
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-04-14
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a portable liquid heat preservation device, which comprises a body, a cover body and a cover body, wherein the body is hinged with the cover body; the temperature control assembly comprises a controller, a heater and a temperature sensor, wherein the heater and the temperature sensor are connected with the controller. Portable liquid heat preservation device conveniently carry, can intelligent heating when the temperature is lower, the temperature that makes the inside storage of device maintains in a certain temperature range.

Description

Portable liquid heat preservation device

Technical Field

The utility model relates to a medicine storage device technical field especially relates to a portable liquid heat preservation device.

Background

Mannitol is a pharmaceutically good diuretic, lowering intracranial pressure, intraocular pressure and treating renal drugs, dehydrators, sugar substitutes, also as excipients for tablets and diluents for solids and liquids.

The mannitol injection is used as a high-permeability hypotensor, is a commonly used medicine for clinical rescue, particularly for the rescue of brain diseases, and has the characteristics of fast hypotensor and accurate curative effect required by the medicine for reducing intracranial pressure. Mannitol can increase the osmotic pressure of blood plasma after entering into the body, dehydrate tissues and reduce intracranial pressure and intraocular pressure, is not easily reabsorbed by the suprarenal glomerulus after being filtered from the glomerulus, increases the osmotic pressure of urine, takes a large amount of water out to dehydrate, and is used for treating edema caused by craniocerebral trauma, cerebroma and cerebral tissue hypoxia, edema caused by large-area burn and ascites glaucoma caused by renal failure. And can be used for preventing and treating early acute renal insufficiency.

The mannitol injection is mostly placed in an environment with the temperature lower than 20 ℃, mannitol is easy to deteriorate and influence the drug effect when being stored in an environment with the temperature higher than 20 ℃ for a long time, mannitol is easy to crystallize when meeting cold, and mannitol is bound to crystallize when the ambient temperature is lower than 10 ℃. According to different disease subjects using the mannitol injection, the mannitol injection has different concentrations, and mannitol particles and even crystallization are easy to generate in the mannitol injection with partial concentration at room temperature of lower than 15 ℃. Therefore, mannitol is required to be carefully checked for crystallization before use, and if the crystallization is found, the mannitol can be used after the crystallization is completely dissolved by placing in hot water or shaking with force. Mannitol carried in the case of outgoing treatment or outgoing first aid in winter is very easy to crystallize, and brings great inconvenience to the use of medical workers.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

The present invention has been made in view of the above and/or the crystallization problem of the prior mannitol during use.

Therefore, one of the objectives of the present invention is to provide a portable liquid thermal insulation device which is convenient to carry and can be heated in time.

In order to solve the technical problem, the utility model provides a following technical scheme: a portable liquid heat preservation device comprises a body, a heat preservation device and a heat preservation device, wherein the body comprises a shell and a cover body, and the shell is hinged with the cover body; the temperature control assembly comprises a controller, a heater and a temperature sensor, wherein the heater and the temperature sensor are connected with the controller; the shell comprises a first accommodating space and a second accommodating space, the first accommodating space is located above the second accommodating space, and the controller is arranged in the second accommodating space.

As a preferred scheme of the portable liquid heat preservation device of the present invention, wherein: the temperature control assembly further comprises a display, and the display is connected with the controller and used for displaying the temperature.

As a preferred scheme of the portable liquid heat preservation device of the present invention, wherein: the temperature control assembly further comprises a buzzer and an indicator light, and the indicator light is connected with the buzzer and then connected with the controller.

As a preferred scheme of the portable liquid heat preservation device of the present invention, wherein: the temperature control assembly further comprises a power supply, and the power supply is arranged in the second accommodating space.

As a preferred scheme of the portable liquid heat preservation device of the present invention, wherein: the lid includes the handle, the handle both ends are connected on the lid.

As a preferred scheme of the portable liquid heat preservation device of the present invention, wherein: the cover body also comprises a connecting piece and a clamping hook, the lifting handle is connected with the connecting piece, and the connecting piece is fixedly connected with the clamping hook; the shell comprises a clamping groove, and the clamping hook is clamped with the clamping groove.

As a preferred scheme of the portable liquid heat preservation device of the present invention, wherein: the cover body also comprises an elastic piece, and the elastic piece is connected with the clamping hook and is arranged in the groove in the cover body.

The utility model has the advantages that: portable liquid heat preservation device conveniently carry, can intelligent heating when the temperature is lower, the temperature that makes the inside storage of device maintains in a certain temperature range.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

fig. 1 is a schematic view illustrating a connection of a temperature control module of a portable liquid thermal insulation device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a half-section of a portable liquid thermal insulation apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic view of the connection of the temperature control assembly of the portable liquid thermal insulation device according to an embodiment of the present invention;

FIG. 4 is a schematic view of the connection of the temperature control module of the portable liquid thermal insulation apparatus according to the fourth embodiment of the present invention;

FIG. 5 is a schematic view of the connection of the temperature control assembly of the portable liquid thermal insulation device according to an embodiment of the present invention;

fig. 6 is a circuit diagram of a temperature control assembly of the portable liquid thermal insulation device according to an embodiment of the present invention;

fig. 7 is a front view of the portable liquid thermal insulation device according to an embodiment of the present invention;

fig. 8 is a schematic view of the overall structure of the portable liquid thermal insulation device according to an embodiment of the present invention;

fig. 9 is a schematic view illustrating the connection of the handle, the connecting member, the hook and the elastic member of the portable liquid thermal insulation device according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1-2, a portable liquid thermal insulation device comprises a body 100 and a temperature control assembly 200, wherein the body comprises a shell 101 and a cover 102, and the shell 101 is hinged with the cover 102; the temperature control assembly 200 includes a controller 201, a heater 202, and a temperature sensor 203, and the heater 202 and the temperature sensor 203 are respectively connected to the controller 201.

In this embodiment, the housing 101 is a main body of the apparatus, the interior of the main body is recessed for storing liquid, the cover 102 is a cover of the apparatus, the cover 102 is hinged to the housing 101, and the connection point can be rotated, so that the cover 102 can rotate on the housing 101 to open and close the cover 102. The controller 201, the heater 202 and the temperature sensor 203 are electrically connected.

The controller 201 is a microprocessor, model AT89C 52. The AT89C52 is a low-voltage and high-performance CMOS 8-bit singlechip, which comprises a Flash read-only program memory with 8k bytes and a random access data memory (RAM) with 256bytes, is produced by adopting the high-density and nonvolatile storage technology of ATMEL company, is compatible with a standard MCS-51 instruction system, is internally provided with a general 8-bit central processing unit and a Flash storage unit, and is widely applied to the electronic industry. The AT89C52 has 40 pins, 32 external bidirectional input/output (I/O) ports, 2 external and internal fractures, 3 programmable timing counters with 16 bits, 2 full-duplex serial communication ports, 2 read-write port lines, and the AT89C52 can be programmed according to a conventional method and can also be programmed online. The universal microprocessor and the Flash memory are combined together, and particularly the Flash memory which can be repeatedly erased and written can effectively reduce the development cost. The AT89C52 is an 8-bit general purpose microprocessor, using an industry standard C51 core, identical in internal functions and pin layout to the general 8xc52, which is mainly used for function control in convergence adjustment. The functions include initialization of functional components such as a convergence main IC internal register, a data RAM, an external interface and the like, convergence adjustment control, convergence test pattern control, receiving and decoding of an infrared remote control signal IR, communication with a mainboard CPU and the like.

The heater 202 is a micro-heater, alternatively of the type DJR-20, a PCT thermistor heater. A PTC thermistor is a semiconductor resistor typically having temperature sensitivity, and its resistance value increases stepwise with an increase in temperature (curie temperature) beyond a certain temperature. The temperature control circuit adopts a triode to control the micro heater, and when the temperature reaches the target temperature, the IO port of the singlechip is changed from high level to low level, and the triode is disconnected with the micro heater to cut off the power supply, so that the temperature is controlled.

The temperature sensor 203 is a common digital temperature sensor with the model number of DS18B20, outputs digital signals, and has the characteristics of small volume, low hardware cost, strong anti-interference capability and high precision. The DS18B20 digital temperature sensor is convenient to wire, and can be applied to various occasions after being packaged, such as a pipeline type, a thread type, a magnet adsorption type, a stainless steel packaging type, various types, LTM8877, LTM8874 and the like. The appearance of the packaged DS18B20 can be changed according to different application occasions, and the packaged DS18B20 can be used for various non-limiting temperature occasions such as cable trench temperature measurement, blast furnace water circulation temperature measurement, boiler temperature measurement, machine room temperature measurement, agricultural greenhouse temperature measurement, clean room temperature measurement, ammunition warehouse temperature measurement and the like. Wear-resisting resistant bumping, small, convenient to use, the encapsulation form is various, is applicable to various narrow and small space equipment digital temperature measurement and control field.

Specifically, the temperature sensor 203 detects the temperature in the device and transmits a temperature signal to the controller 201, and when the temperature signal is low, the controller 201 controls the heater 202 to operate to increase the temperature, and when the temperature reaches a set temperature value, the heating is stopped. Taking mannitol injection as an example, when the temperature detected by the temperature sensor 203 is lower than 10 ℃, the controller 201 controls the heater 202 to start heating, and the temperature rises; when the temperature detected by the temperature sensor 203 is higher than 15 ℃, the controller 201 controls the heater 202 to stop heating. Thus, intelligent heating can be realized, and the temperature stored in the device can be maintained within a certain temperature range.

Example 2

Referring to fig. 2, a portable liquid thermal insulation device includes a body 100 and a temperature control assembly 200, the body includes a casing 101 and a cover 102, the casing 101 is hinged to the cover 102, the casing 101 includes a first accommodating space 101a and a second accommodating space 101b, the first accommodating space 101a is located above the second accommodating space 101b, and a controller 201 is disposed in the second accommodating space 101 b. The temperature control assembly 200 includes a controller 201, a heater 202, and a temperature sensor 203, and the heater 202 and the temperature sensor 203 are respectively connected to the controller 201.

It should be noted that the first accommodating space 101a and the second accommodating space 101b are both cavities for storing objects, and the first accommodating space 101a has a larger volume for storing liquids to be stored, such as mannitol injection; the second accommodating space 101b has a smaller volume, is located below the first accommodating space 101a, and is used for placing the controller 201, and the heater 202 and the temperature sensor 203 are disposed in the first accommodating space 101a and electrically connected to the controller 201.

Example 3

Referring to fig. 3, a portable liquid thermal insulation device includes a body 100 and a temperature control assembly 200, the body includes a casing 101 and a cover 102, the casing 101 is hinged to the cover 102, the casing 101 includes a first accommodating space 101a and a second accommodating space 101b, the first accommodating space 101a is located above the second accommodating space 101b, and a controller 201 is disposed in the second accommodating space 101 b. The temperature control assembly 200 comprises a controller 201, a heater 202, a temperature sensor 203 and a display 204, wherein the heater 202 and the temperature sensor 203 are respectively connected with the controller 201, and the display 204 is connected with the controller 201 and used for displaying the temperature.

The temperature sensor 203 detects the temperature in the apparatus and transmits a temperature signal to the controller 201, the controller 201 transmits a received temperature signal to the display 204, and the display 204 displays the received temperature signal.

In this embodiment, the display 204 is a liquid crystal display (lcd) of type LM 016L. The dot matrix character type liquid crystal display integrates an LCD controller, a dot matrix driver and a character memory on a printed circuit board to form a liquid crystal module convenient for application. The liquid crystal module can display numbers and characters, can display various graphic symbols and a small number of user-defined symbols, and can realize functions of scrolling the screen up and down, left and right, flashing characters and the like. The LM016L liquid crystal module adopts HD44780 controller. The HD44780 controller has a simple instruction set with strong functions, and can realize the functions of character movement, flicker and the like.

Example 4

Referring to fig. 4, a portable liquid thermal insulation device includes a body 100 and a temperature control assembly 200, the body includes a casing 101 and a cover 102, the casing 101 is hinged to the cover 102, the casing 101 includes a first accommodating space 101a and a second accommodating space 101b, the first accommodating space 101a is located above the second accommodating space 101b, and a controller 201 is disposed in the second accommodating space 101 b. The temperature control assembly 200 comprises a controller 201, a heater 202, a temperature sensor 203, a display 204, a buzzer 205 and an indicator light 206, wherein the heater 202 and the temperature sensor 203 are respectively connected with the controller 201, the display 204 is connected with the controller 201, and the indicator light 206 and the buzzer 205 are connected in series and then connected with the controller 201.

In this embodiment, the buzzer 205 is an electronic buzzer with an integrated structure, is powered by a dc voltage, and is widely used as a sounding device in electronic products such as computers, printers, copiers, alarms, electronic toys, automotive electronics, telephones, timers, and the like. The indicator 206 is a light emitting diode, LED for short, that radiates visible light when electrons and holes combine, and thus can be used to make light emitting diodes, as indicator lights in circuits and instruments, or to form text or numeric displays. The buzzer 205 and the indicator 206 are provided on the outer surface of the housing 101.

Taking mannitol injection as an example, when summer ambient temperature is higher, when temperature sensor 203 detects that the temperature in the inside first accommodation space 101a of this portable liquid heat preservation device is higher than 20 ℃, this temperature signal sends controller 201 to, and controller 201 control buzzer 205 sends out the police dispatch newspaper, and pilot lamp 206 lights simultaneously, reminds medical personnel to put into portable liquid heat preservation device in the environment that ambient temperature is less than 20 ℃ in order to protect the liquid medicine.

Example 5

Referring to fig. 5 to 6, a portable liquid thermal insulation device includes a body 100 and a temperature control assembly 200, the body includes a casing 101 and a cover 102, the casing 101 is hinged to the cover 102, the casing 101 includes a first accommodating space 101a and a second accommodating space 101b, the first accommodating space 101a is located above the second accommodating space 101b, and a controller 201 is disposed in the second accommodating space 101 b. The temperature control assembly 200 comprises a controller 201, a heater 202, a temperature sensor 203, a display 204, a buzzer 205, an indicator light 206 and a power supply 207, wherein the heater 202 and the temperature sensor 203 are respectively connected with the controller 201, the display 204 is connected with the controller 201, the indicator light 206 and the buzzer 205 are connected in series and then connected with the controller 201, and the power supply 207 is arranged in the second accommodating space 101 b.

It should be noted that the power source 207 is a storage battery, which is a device for directly converting chemical energy into electric energy, and is a battery designed to be rechargeable, and the storage battery is recharged by reversible chemical reaction, and is usually a lead-acid storage battery, which is one of batteries and belongs to a secondary battery. The power supply 207 supplies electric energy to the temperature control assembly 200 and can be charged through a USB interface, and the USB interface is arranged on the bottom shell 101 at the rear side of the portable liquid heat preservation device.

Preferably, a matrix keyboard circuit is further provided in the circuit diagram of fig. 6, and there are 16 keys in total for starting circuit debugging and setting of temperature values.

Example 6

Referring to fig. 7, a portable liquid thermal insulation device includes a body 100 and a temperature control assembly 200, the body includes a casing 101 and a cover 102, the casing 101 is hinged to the cover 102, the casing 101 includes a first accommodating space 101a and a second accommodating space 101b, the first accommodating space 101a is located above the second accommodating space 101b, a controller 201 is disposed in the second accommodating space 101b, the cover 102 includes a handle 102a, and two ends of the handle 102a are connected to the cover 102. The temperature control assembly 200 comprises a controller 201, a heater 202, a temperature sensor 203, a display 204, a buzzer 205, an indicator light 206 and a power supply 207, wherein the heater 202 and the temperature sensor 203 are respectively connected with the controller 201, the display 204 is connected with the controller 201, the indicator light 206 and the buzzer 205 are connected in series and then connected with the controller 201, and the power supply 207 is arranged in the second accommodating space 101 b.

In this embodiment, the handle 102a is a semi-circular ring with two ends connected to the cover 102 and the handle 102a can rotate between the upper surface of the cover 102 and two planes perpendicular to the upper surface of the cover 102. When the heat preservation device needs to be carried or moved, the lifting handle 102a can be rotated to a vertical position, namely a position vertical to the upper surface of the cover body 102, and the lifting handle 102a is held; when the portable liquid heat preservation device is placed in a standing mode, the lifting handle 102a is rotated to the horizontal position, namely the position of the plane of the upper surface of the cover body 102, so that the space is saved, and the practicability of the portable liquid heat preservation device is improved.

Example 7

Referring to fig. 8 to 9, a portable liquid thermal insulation device includes a body 100 and a temperature control assembly 200, the body includes a casing 101 and a cover 102, the casing 101 is hinged to the cover 102, the casing 101 includes a first accommodating space 101a, a second accommodating space 101b and a slot 101c, the first accommodating space 101a is located above the second accommodating space 101b, a controller 201 is disposed in the second accommodating space 101b, the cover 102 includes a handle 102a, a connector 102b, a hook 102c and an elastic member 102d, the handle 102a is connected to the connector 102b, the connector 102b is fixedly connected to the hook 102c, the hook 102c is engaged with the slot 101c, and the elastic member 102d is connected to the hook 102c and disposed in a groove inside the cover 102. The temperature control assembly 200 comprises a controller 201, a heater 202, a temperature sensor 203, a display 204, a buzzer 205, an indicator light 206 and a power supply 207, wherein the heater 202 and the temperature sensor 203 are respectively connected with the controller 201, the display 204 is connected with the controller 201, the indicator light 206 and the buzzer 205 are connected in series and then connected with the controller 201, and the power supply 207 is arranged in the second accommodating space 101 b.

In this embodiment, the connecting element 102b is connected to the handle 102a and the hook 102c, and the connecting element 102b is a block, and the middle of the connecting element is connected to one end of the handle 102a, and a notch is further formed on the connecting element for the handle 102a to rotate. The cross section of the engaging groove 101c is stepped, and the engaging hook 102c cooperates with the engaging groove 101c to tightly engage the cover 102 with the housing 101. The elastic member 102d is a spring, one end of which is fixedly connected to the hook 102c, and the whole elastic member 102d is disposed in the cover 102. Preferably, a sealing ring may be further disposed on the cover 102 for sealing the joint between the housing 101 and the cover 102 to prevent liquid leakage.

When the cover body 102 needs to be opened, the handle 102a is horizontally pulled, so that the connecting piece 102b and the hook 102c are pulled, the elastic piece 102d is compressed, at the same time, the hook 102c and the clamping groove 101c are released from constraint, and the cover body 102 can be opened by rotating; when the handle 102a is released, the elastic element 102d returns to its original shape, and the handle 102a returns to its original position, so that the closed cover 102 can be tightly engaged with the housing 101 by pressing the cover 102.

It should be noted that the first accommodating space 101a can directly store liquid medicine to keep the liquid medicine at a constant temperature, or the liquid medicine can be placed in a bottle, a certain amount of water is stored in the first accommodating space 101a, and then the bottle is placed in water to keep the temperature or perform water bath heating.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A portable liquid heat preservation device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the body (100) comprises a shell (101) and a cover body (102), wherein the shell (101) is hinged with the cover body (102);

the temperature control assembly (200) comprises a controller (201), a heater (202) and a temperature sensor (203), wherein the heater (202) and the temperature sensor (203) are connected with the controller (201);

the shell (101) comprises a first accommodating space (101a) and a second accommodating space (101b), the first accommodating space (101a) is located above the second accommodating space (101b), and the controller (201) is arranged in the second accommodating space (101 b).

2. The portable liquid warmer of claim 1, wherein: the temperature control assembly (200) further comprises a display (204), and the display (204) is connected with the controller (201) and used for displaying the temperature.

3. The portable liquid warming device according to claim 1 or 2, wherein: the temperature control assembly (200) further comprises a buzzer (205) and an indicator light (206), and the indicator light (206) is connected with the buzzer (205) and then connected with the controller (201).

4. The portable liquid warmer of claim 3, wherein: the temperature control assembly further comprises a power supply (207), and the power supply (207) is arranged in the second accommodating space (101 b).

5. The portable liquid warmer of claim 4, wherein: the cover body (102) comprises a handle (102a), and two ends of the handle (102a) are connected to the cover body (102).

6. The portable liquid warmer of claim 5, wherein: the cover body (102) further comprises a connecting piece (102b) and a clamping hook (102c), the handle (102a) is connected with the connecting piece (102b), and the connecting piece (102b) is fixedly connected with the clamping hook (102 c);

the shell (101) comprises a clamping groove (101c), and the clamping hook (102c) is clamped with the clamping groove (101 c).

7. The portable liquid warmer of claim 6, wherein: the cover body (102) further comprises an elastic piece (102d), and the elastic piece (102d) is connected with the clamping hook (102c) and is arranged in a groove in the cover body (102).