CN215194313U

CN215194313U - Heater for peritoneal dialysis

Info

Publication number: CN215194313U
Application number: CN202120094228.7U
Authority: CN
Inventors: 王淑清
Original assignee: Suzhou Ailixiang Electronic Technology Co ltd
Current assignee: Suzhou Ailixiang Electronic Technology Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-12-17
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a in "application number: 202010435384.5, name: the utility model discloses an improvement that goes on the basis of the chinese patent of heater for passing through, a heater for passing through of abdomen, be equipped with the contact surface of placing peritoneal dialysis medical solution bag, the contact surface is equipped with the interior vacancy of large tracts of land, interior vacancy is equipped with the heat-conducting plate, the contact surface still is equipped with the temperature sensing probe, the edge of interior vacancy is equipped with [ shape layer, the periphery of heat-conducting plate is equipped with the fixed contact surface of taking a plurality of fixed orificess, [ shape layer encircles the heat-conducting plate, [ shape layer and the fixed contact on the heat-conducting plate are E-shaped and closely link to each other, [ shape layer is equipped with corresponding fixed column in a plurality of fixed orificess department on the fixed contact surface on the heat-conducting plate, the fixed column is hidden in [ shape layer, the fixed column is used for further strengthening the heat-conducting plate and the edge of the interior vacancy of upper cover [ closely link to each other between the shape layer ], the utility model discloses stable and reliable to the heat-conducting plate, be favorable to improving warpage, keep the level and smooth of outward appearance structure, And is also beneficial to the integral forming production by using an injection molding machine.

Description

Heater for peritoneal dialysis

Technical Field

The utility model relates to a peritoneal dialysis field, in particular to a heater for peritoneal dialysis.

Background

According to "application No.: 202010435384.5, name: compared with other heaters in the market with the same specification (the resistance value of heating elements is the same), the product realized by the technical scheme of the Chinese patent of the heater has the advantages of fast temperature rise, high heat utilization rate, short heating time and real and reliable temperature of the liquid medicine in the peritoneal dialysis liquid medicine bag detected by the temperature-sensing probe, the heat-conducting plate on the heater is fixed by the viscose, the temperature rise and fall range in a reasonable range is larger in winter, uneven expansion or contraction can be increased in the heating process or the cooling process, the heat-conducting plate can be warped by the expansion or contraction, the warping in the range of the viscous force can not bring adverse effects to the structure, in order to overcome the warping beyond the range of the viscous force, the viscose position can be properly widened, or the viscose is further selected to greatly increase the viscous force or limit the upper temperature limit of the heat-conducting plate, the performance of the current viscose glue on the market is quite excellent, and certain varieties of high-temperature resistant viscose glue still can keep extremely strong adhesive force after being used for years, but the adhesive force still weakens along with the prolonging of the using time, so that the mode of fixing the heat-conducting plate by the viscose glue and limiting the warping of the heat-conducting plate is still slightly beautiful and insufficient based on the expectation of long-service-life use of products, and the fixing mode is also relatively low in the practical production efficiency through manual operation.

SUMMERY OF THE UTILITY MODEL

Based on "application number: 202010435384.5, name: the technical scheme disclosed by the Chinese patent of 'heater' is that the heat conducting plate is fixed at low efficiency by manual glue application, and a new technical scheme is needed to be provided, a glue applying mode is cancelled, the heat conducting plate and the heater are integrally formed through an injection molding machine, the production efficiency is improved, the fastening degree of the installation of the heat conducting plate on the contact surface for placing the peritoneal dialysis solution bag is improved, and the warping of the heat conducting plate is effectively limited.

The utility model provides a technical solution that its technical problem adopted is: a heater for peritoneal dialysis is provided with a contact surface suitable for placing a peritoneal dialysis liquid medicine bag, wherein the contact surface is provided with an inner vacant position, the inner vacant position is provided with a heat conduction plate, the heat conduction plate is in large-area contact with the liquid medicine surface of the peritoneal dialysis liquid medicine bag, the contact surface is also provided with a temperature sensing probe, the temperature sensing probe is in local contact with the liquid medicine surface of the peritoneal dialysis liquid medicine bag, the edge of the inner vacant position is provided with a [ shaped layer, the periphery of the heat conduction plate is provided with a fixed contact surface with a plurality of fixing holes, the [ shaped layer surrounds the heat conduction plate, the [ shaped layer is in E-shaped close connection with the fixed contact surface on the heat conduction plate, the plurality of fixing holes on the fixed contact surface of the [ shaped layer are provided with corresponding fixing columns, the fixing columns are concealed in the [ shaped layer, and the fixing columns are used for further strengthening the heat conduction plate and the edge of the [ shaped layer ] of the inner vacant position of an upper cover Are closely connected with each other.

The utility model discloses a further technical scheme: a power wire harness guiding and fixing structure and a signal wire harness guiding and fixing structure are arranged in the shell of the peritoneal dialysis heater.

The utility model discloses a further technical scheme: the outer surface of the heat conducting plate is provided with a wire drawing and/or a protective layer, the contact surface is also provided with a [ shape layer for installing the temperature sensing probe, and the lower part of the temperature sensing probe is closely connected with the [ shape layer in an E shape.

The utility model discloses a further technical scheme: the heat conducting plate is provided with a positioning hole which penetrates through the lower surface of the [ shape layer ].

The utility model discloses a further technical scheme: the inner surface of the heat conducting plate is provided with an insulating layer, the insulating layer can be selected from a high-temperature-resistant insulating adhesive tape, and the lower part of the high-temperature-resistant insulating adhesive tape is provided with a heating element with insulating protection.

The utility model discloses a further technical scheme: the fixing of the shell provided with the contact surface and the heater for the peritoneal dialysis has two optional reinforced fixing modes, wherein the first mode is that screw positions are arranged at four corners and the middle parts and/or the secondary middle parts of four sides of the shell provided with the contact surface, the two modes are fixed by screws, and the second mode is that the shell provided with the contact surface and the heater for the peritoneal dialysis are fixed by ultrasonic welding.

The utility model discloses a further technical scheme: and sealant is arranged at the joint of the heat conducting plate and the [ shape layer ].

The utility model discloses a further technical scheme: the inner surface of the [ shape layer or the adjacent part thereof is provided with a plurality of supporting ribs surrounding the heat conducting plate.

The utility model discloses a further technical scheme: the temperature sensing probe and/or the area close to the temperature sensing probe are/is provided with a first detection sensor, the first detection sensor is used for detecting the temperature measurement liquid level contact condition of the temperature sensing probe and the peritoneal dialysis solution bag, and the temperature measurement liquid level contact condition is used for identifying the real temperature measurement state of the peritoneal dialysis solution bag on the contact surface.

The utility model discloses a further technical scheme: the heat-conducting plate and/or the region that is close to the heat-conducting plate install the second and detect the sensor, the second detect the sensor and be used for detecting the heating liquid level contact condition of heat-conducting plate and peritoneal dialysis liquid medicine bag, heating liquid level contact condition be used for discerning the peritoneal dialysis liquid medicine bag be in the contact surface on true heating state.

The utility model discloses a further technical scheme: when the temperature measurement liquid level contact condition is that the temperature measurement is well contacted and the heating liquid level contact condition is that the heating is well contacted, the peritoneal dialysis solution bag is in a good working state on the heater for peritoneal dialysis, and when the peritoneal dialysis solution bag is in a good working state on the heater for peritoneal dialysis, the heater for peritoneal dialysis starts to heat or preserve heat or inject into the peritoneal dialysis solution bag.

The utility model discloses a further technical scheme: when the temperature measurement liquid level contact condition is poor temperature measurement contact or the heating liquid level contact condition is poor heating contact, the peritoneal dialysis medical solution bag is stopped being heated or heat-preserved or infused by the peritoneal dialysis heater, and the peritoneal dialysis heater sends out corresponding bad notice.

The utility model discloses a further technical scheme: the shell of heater for peritoneal dialysis on be equipped with the pipeline direction fixing device of peritoneal dialysis medical solution bag, pipeline direction fixing device on or its adjacent region be equipped with the third and detect the sensor, the third detect the sensor be used for detecting the fixed condition of the liquid flow condition or temperature condition or pipeline in the pipeline on the peritoneal dialysis medical solution bag, work as the pipeline in the liquid flow end or air entering or have the temperature unusual or the fixed condition of pipeline when not good the heater for peritoneal dialysis send the notice.

The utility model has the advantages that: through [ the shape layer right the heat-conducting plate carry out surrounding type clamp type fixed, rethread [ the fixed column of shape layer department with encircle a plurality of fixed orificess on the heat-conducting plate and carry out surrounding type reinforcing fixed, the fixed column is built-in [ the shape layer be favorable to the holistic level and smooth pleasing to the eye of outward appearance, [ the reinforcing is fixed to be contained and plays the pincers formula fastening of reinforcing [ the shape layer to the heat-conducting plate ] to the four sides of heat-conducting plate when fixing a position, the periphery of heat-conducting plate be equipped with the locating hole, the locating hole wear [ the lower surface of shape layer, make things convenient for the heat-conducting plate to place the location installation on the plastic mould, be favorable to the heat-conducting plate to pass through the integrated into one piece of injection molding machine and plastic, the utility model discloses a feasible technical scheme is provided for the heater adopts the heating bit architecture improvement warpage deformation of large tracts of land heat-conducting plate for peritoneal dialysis, the utility model discloses to the fixed reliable and stable, a plurality of heat-conducting plate, The warping deformation is improved, the appearance structure is kept smooth, and the injection molding machine is convenient to use for integral forming production; the utility model also discloses a relevant technical scheme detects the real temperature measurement state, the real heating state of peritoneal dialysis liquid medicine bag in the treatment process and the real flow state of liquid medicine in the transfer line, is favorable to taking precautions against unusual emergence, reduces the risk that the relevant unusual initiation of treatment process.

Drawings

Fig. 1 is a schematic view of the overall structure of a peritoneal dialysis heater provided by the present invention.

Fig. 2 is a schematic structural diagram of the heat-conducting plate and the inner hollow space [ shape layer ] provided by the present invention.

Fig. 3 is a schematic structural diagram of the heat conducting plate provided by the present invention.

Fig. 4 is a schematic structural view of the heat-conducting plate and the inner hollow space [ shape layer ] combination provided by the present invention.

Fig. 5 is a schematic view of a partial structure of a support rib at a contact surface [ layer part ] provided by the present invention.

Fig. 6 is a schematic view of a partial structure of the wire harness guiding and fixing structure provided by the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

referring to fig. 1 to 4, a heater for peritoneal dialysis is provided with a contact surface 2 suitable for placing a peritoneal dialysis solution bag 1, wherein a large-area inner vacant position 3 is arranged in the center of the contact surface 2, a heat conduction plate 4 is arranged in the inner vacant position 3, the heat conduction plate 4 is in large-area contact with the solution surface of the peritoneal dialysis solution bag 1, a temperature sensing probe 5 for detecting the solution temperature in the peritoneal dialysis solution bag 1 is further arranged on the contact surface 2, the temperature sensing probe 5 is in local contact with the solution surface of the peritoneal dialysis solution bag 1, a [ shape layer 6 ] is arranged on the edge of the large-area inner vacant position 3 of the contact surface 2, a fixed contact surface 8 with a plurality of fixing holes 7 is arranged on the periphery of the heat conduction plate 4, the [ shape 6 ] surrounds the heat conduction plate 4, and the [ shape layer 6 ] is closely connected with the fixed contact surface 8 on the heat conduction plate 4 in an E shape, the [ shape layer 6 is provided with corresponding fixing columns 9 at a plurality of fixing holes 7 on a fixing contact surface 8 on the heat conduction plate 4, the fixing columns 9 are concealed in the [ shape layer 6, and the fixing columns 9 are used for further strengthening the close connection between the heat conduction plate 4 and the edge [ shape layer 6 of the inner hollow space 3.

Referring to fig. 6, a power harness guide fixing structure 18 and a signal harness guide fixing structure 19 are provided in the housing of the peritoneal dialysis heater, the signal harness (not shown) includes a connection line of the temperature sensing probe 5, and the power harness includes a power supply connection line of a heating element (not shown) under the heat conducting plate 4.

Referring to fig. 3 and 4, the outer surface of the heat conducting plate 4 is provided with a wire drawing and/or a protective layer, which can effectively prevent fingerprints from being generated after wire drawing, the protective layer is an electroplated layer or an oxidized layer or an insulated layer or a nano coating or other protective coatings, which are applied on the surface of the heat conducting plate 4, so as to improve the appearance beauty and/or the service life and/or the use safety of the heat conducting plate 4, the contact surface 2 is further provided with a [ shape layer on which the temperature sensing probe 5 is mounted, and the lower part of the temperature sensing probe 5 is tightly connected with the [ shape layer in an E shape as well.

Referring to fig. 3 and 4, the heat conducting plate 4 is provided with positioning holes 10, the opposite corners of the heat conducting plate are provided with 4 same sizes, the positioning holes 10 penetrate through the lower surface of the [ shape layer 6 ], the positioning holes 10 facilitate the positioning and installation of the heat conducting plate on a plastic mold, the heat conducting plate 4 is kept in a stable state in the injection molding process, and the heat conducting plate is favorably and integrally molded with plastic smoothly through an injection molding machine.

Referring to fig. 1 to 4, an insulating layer (not shown) is disposed on an inner surface of the heat conducting plate 4, the insulating layer (not shown) may be a high temperature resistant insulating tape, such as a polyimide insulating double-sided tape, a 3M468MP, and the like, and a heating element (not shown) with insulation protection is disposed on a lower portion of the high temperature resistant insulating tape, so that the combination of the two components enhances insulation and ensures safety.

The casing that is equipped with contact surface 2 with the peritoneal dialysis heater fixed have two kinds of optional enhancement fixed modes, mode one for be equipped with the casing of contact surface 2 on four corners and the middle part of four sides and/or inferior middle part position be equipped with the screw position, the two rely on the screw to fix, mode two for be equipped with the casing of contact surface 2 with peritoneal dialysis heater fixed carry out welded fastening through the ultrasonic wave, through a plurality of screws or ultrasonic bonding for strengthening its contact surface 2's whole roughness, thereby also indirectly improve the warpage of restraining heat-conducting plate 4.

Referring to fig. 2 to 4, a sealant (not shown) is disposed at a joint of the heat conducting plate 4 and the [ shape layer 6, so as to seal and prevent water and ensure safety.

Referring to fig. 5, a plurality of support ribs 12 surrounding the heat conducting plate are arranged on the inner surface of the [ shape layer 6 and the inner edge of the large-area inner vacancy 3 or adjacent to the inner edge, so as to enhance the forced flattening of the [ shape layer 6 on the heat conducting plate 4 and avoid warping.

Referring to fig. 1, a first detection sensor 13 is installed in a region close to a temperature sensing probe 5, the first detection sensor 13 is configured to detect a contact condition between the temperature sensing probe 5 and a temperature measurement liquid level of a peritoneal dialysis solution bag 1, in this embodiment, two temperature measurement liquid levels are provided at two sides of the temperature sensing probe 5, the contact condition between the temperature measurement liquid levels is configured to identify a real temperature measurement state of the peritoneal dialysis solution bag 1 on the contact surface 2, and of course, the first detection sensor 13 may also be disposed in the temperature sensing probe 5, that is, the temperature sensing probe 5 and the first detection sensor 13 share a housing, so as to realize integration.

See fig. 1, a second detecting sensor 14 is installed beside the heat conducting plate 4, the second detecting sensor 14 is used for detecting the contact condition of the heating liquid level of the heat conducting plate 4 and the peritoneal dialysis solution bag 1, the four sides of the heat conducting plate 4 are provided with four in total in the embodiment, the contact condition of the heating liquid level is used for identifying the real heating state of the peritoneal dialysis solution bag 1 on the contact surface 2, of course, the second detecting sensor 14 can also be arranged on the heat conducting plate 4.

When the temperature measurement liquid level contact condition is that the temperature measurement is well contacted and the heating liquid level contact condition is that the heating is well contacted, the peritoneal dialysis medical solution bag 1 is in a good working state on the contact surface 2, and when the peritoneal dialysis medical solution bag 1 is in a good working state on the contact surface 2, the peritoneal dialysis medical solution bag 1 is heated or insulated or infused by starting the heater for peritoneal dialysis.

When the temperature measurement liquid level contact condition is poor temperature measurement contact or the heating liquid level contact condition is poor heating contact, the peritoneal dialysis medical solution bag 1 is stopped being heated or insulated or infused by the peritoneal dialysis heater, and the peritoneal dialysis heater sends out corresponding bad notice.

Referring to fig. 1, a tube guide fixing device 15 of a peritoneal dialysis solution bag 1 is disposed on a housing of the heater for peritoneal dialysis, a third detection sensor 16 is disposed at an adjacent region of the tube guide fixing device 15 in this embodiment, of course, the third detection sensor 16 may be disposed on the tube guide fixing device 15 to integrate the two, the third detection sensor 16 is preferably an infrared correlation sensor, after setting related parameters, according to light intensity changes, not only can detect the existence and non-existence of a tube, but also can detect the flow condition of a solution in the tube, and can perform isolated temperature measurement on the solution in the tube by using infrared rays, the technology of infrared isolated temperature measurement is quite mature, the technology of detecting the existence of an object by using infrared correlation is also quite mature, and a temperature sensing probe 5 is used for temperature auxiliary monitoring, the safety risk brought by the abnormal temperature of the liquid medicine injected into the abdominal cavity can be further reduced, the third detection sensor 16 is used for detecting the liquid flowing condition or the temperature condition or the fixing condition of the pipeline 17 in the pipeline 17 on the peritoneal dialysis liquid medicine bag 1, and the peritoneal dialysis heater gives a notice when the liquid flowing condition in the pipeline 17 is finished or air enters or the temperature is abnormal or the fixing condition of the pipeline 17 is not good.

The technical proposal disclosed by the utility model can also be directly corresponding to the bottom of a box-shaped heater or a heating tank of a single-plate heater or a peritoneal dialysis machine, because the peritoneal dialysis heater is provided with software, hardware (control circuit board), a display and similar exterior structures, the principle of automatic control of heating and heat preservation is very common, the temperature sensor and the corresponding detection sensor thereof have various types, different structures and various working principles, the sensors can realize the detection of related items such as position, contact and the like by adding different structures, circuits and software, the combination of the two structurally only needs to share one shell, the combination of a pipeline guide fixing device and the related detection sensor is also only an assembly relation, the combination is informed of voice, pictures, characters, indicator lights and the like, which are the common knowledge in the industry, the utility model discloses do not give unnecessary details here one by one.

Claims

1. The utility model provides a heater is used in peritoneal dialysis is equipped with the contact surface that is fit for placing peritoneal dialysis liquid medicine bag, the contact surface be equipped with interior vacancy, interior vacancy be equipped with the heat-conducting plate, the liquid medicine face of heat-conducting plate and peritoneal dialysis liquid medicine bag carry out the large tracts of land contact, the contact surface still be equipped with temperature sensing probe, temperature sensing probe and peritoneal dialysis liquid medicine face of liquid medicine bag carry out local contact, its characterized in that: the edge of the inner vacancy is provided with a [ shape layer ], the periphery of the heat conducting plate is provided with a fixed contact surface with a plurality of fixing holes, the [ shape layer surrounds the heat conducting plate, the [ shape layer and the fixed contact surface on the heat conducting plate are in E-shaped tight connection, a plurality of fixing holes on the fixed contact surface of the [ shape layer on the heat conducting plate are provided with corresponding fixing columns, the fixing columns are concealed in the [ shape layer, the fixing columns are used for further strengthening the tight connection between the heat conducting plate and the edge [ shape layer ] of the inner vacancy, the heat conducting plate is also provided with positioning holes, and the positioning holes penetrate through the lower surface of the [ shape layer ].

2. The peritoneal dialysis heater of claim 1 wherein: a wire harness guiding and fixing structure is arranged in the shell of the heater for peritoneal dialysis.

3. The peritoneal dialysis heater of claim 1 wherein: the outer surface of the heat conducting plate is provided with a wire drawing and/or a protective layer.

4. The peritoneal dialysis heater of claim 1 wherein: and sealant is arranged at the joint of the heat conducting plate and the [ shape layer ].

5. The peritoneal dialysis heater of claim 1 wherein: the inner surface of the heat conducting plate is provided with an insulating layer, and the lower part of the insulating layer is provided with a heating element with insulating protection.

6. The peritoneal dialysis heater of claim 1 wherein: the fixing of the shell provided with the contact surface and the heater for the peritoneal dialysis has two optional reinforced fixing modes, wherein the first mode is that screw positions are arranged at four corners and the middle parts and/or the secondary middle parts of four sides of the shell provided with the contact surface, the two modes are fixed by screws, and the second mode is that the shell provided with the contact surface and the heater for the peritoneal dialysis are fixed by ultrasonic welding.

7. The peritoneal dialysis heater of claim 1 wherein: the inner surface of the [ shape layer or the adjacent part thereof is provided with a plurality of supporting ribs surrounding the heat conducting plate.

8. The peritoneal dialysis heater of claim 1 wherein: the temperature sensing probe and/or the area close to the temperature sensing probe are/is provided with a first detection sensor, the first detection sensor is used for detecting the temperature measurement liquid level contact condition of the temperature sensing probe and the peritoneal dialysis solution bag, and the temperature measurement liquid level contact condition is used for identifying the real temperature measurement state of the peritoneal dialysis solution bag on the contact surface.

9. The peritoneal dialysis heater of claim 1 wherein: the heat-conducting plate and/or the region that is close to the heat-conducting plate install the second and detect the sensor, the second detect the sensor and be used for detecting the heating liquid level contact condition of heat-conducting plate and peritoneal dialysis liquid medicine bag, heating liquid level contact condition be used for discerning the peritoneal dialysis liquid medicine bag be in the contact surface on true heating state.

10. The peritoneal dialysis heater of claim 1 wherein: the shell of heater for peritoneal dialysis on be equipped with the pipeline direction fixing device of peritoneal dialysis medical solution bag, pipeline direction fixing device on or its adjacent region be equipped with the third and detect the sensor, the third detect the sensor be used for detecting the fixed condition of the liquid flow condition or temperature condition or pipeline in the pipeline on the peritoneal dialysis medical solution bag, work as the pipeline in the liquid flow end or air entering or have the temperature unusual or the fixed condition of pipeline when not good the heater for peritoneal dialysis send the notice.