Surface-mounted heating module

Abstract

The utility model provides a patch type heating module, which comprises an aluminum block and a flexible circuit board, one surface of the aluminum block is fixed with the flexible circuit board in a sticking way, the opposite surface of the aluminum block and the flexible circuit board is used for heating a transparent medical slide, and heating wires which are uniformly distributed on the sticking surface of the aluminum block are arranged in the flexible circuit board; the flexible circuit board heating aluminum block is adopted to replace a traditional ceramic heating block, heat loss is reduced, and meanwhile heating is more uniform.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch type heating technical field especially a patch type heating module. BACKGROUND

[0002] The hospital commonly used transparent medical glass, its glass has human tissue, the effect of heating piece is to heat the tissue on the transparent glass, the human tissue can exist in any position in the range of transparent medical glass. And the existing heating scheme is ceramic heating block: it has heating wire inside, the heating mode is that the heating wire heats the ceramic and then heats the aluminum block, there is heat loss. The heating range of the ceramic heating block is small, the temperature around the aluminum block is lower than the position of the ceramic heating block, the heating is uneven, which has influence on the tissue on the glass, and the temperature difference is relatively large. The manufacturing process of the existing ceramic heating block is complicated, and the ceramic heating block needs to be fixed on the aluminum block using a certain special glue, which can be fixed after heating in an oven for a certain time. The ceramic heating block may also have uncontrolled heating, and the temperature of the ceramic heating block may rise to several hundred degrees, damaging other components. SUMMARY

[0003] The utility model solves the problem of heat runaway and uneven heating range of traditional ceramic heating block, and proposes a patch type heating module, which uses a flexible circuit board to heat an aluminum block instead of a traditional ceramic heating block, reduces heat loss and makes heating more uniform.

[0004] To achieve the above-mentioned purpose, the following technical scheme is proposed:

[0005] A patch type heating module, comprising an aluminum block and a flexible circuit board, one side of the aluminum block is fixedly attached to the flexible circuit board, the opposite side of the aluminum block and the flexible circuit board is attached to a transparent medical glass for heating, and the flexible circuit board has heating wires evenly distributed on the attached surface of the aluminum block.

[0006] The utility model directly uses the heating wires evenly distributed on the attached surface of the aluminum block to directly heat the aluminum block, reducing heat loss. The heating wires are evenly distributed on the aluminum block, which has a larger heating range than the prior art and makes heating more uniform. In addition, the heating temperature of the flexible circuit board is determined by the resistance of the heating wires, and the upper limit temperature can be set to 120° to avoid heat runaway. The flexible circuit board will only reach 120° when it loses control and will not affect other surrounding components. The utility model is simpler and more convenient to install than the prior art ceramic heating block, and only needs to attach the flexible circuit board to the aluminum block to use.

[0007] As preferred, the aluminum block is provided with a first ceramic sensor on the side pasted and fixed with the flexible circuit board, the flexible circuit board is divided into two layers, the heating wire is packaged in the first layer of flexible circuit board, the first layer of flexible circuit board is provided with a first power supply gold wire connected with the heating wire, the second layer of flexible circuit board is provided with a second power supply gold wire of the first ceramic sensor, and the flexible circuit board is provided with a first notch for providing a mounting position of the first ceramic sensor.

[0008] The aluminum block is provided with a first ceramic sensor, the first ceramic sensor is fixed on the heated surface of the aluminum block pasted and fixed with the flexible circuit board, the flexible circuit board is provided with two layers in total, and the two layers are a first layer of flexible circuit board and a second layer of flexible circuit board; the first layer of flexible circuit board is packaged with the heating wire and the first power supply gold wire; the heating wire and the first power supply gold wire are in power supply connection; the second layer of flexible circuit board is provided with a second power supply gold wire; the second power supply gold wire is used for power supply for the first ceramic sensor; and the flexible circuit board is provided with a first notch.

[0009] As preferred, the aluminum block is provided with a second ceramic sensor on the side pasted and fixed with the flexible circuit board, the second power supply gold wire is in power supply connection with the second ceramic sensor, and the flexible circuit board is provided with a second notch for providing a mounting position of the second ceramic sensor.

[0010] The aluminum block is provided with a second ceramic sensor, the second ceramic sensor is arranged on the heated surface of the aluminum block pasted and fixed with the flexible circuit board, the second power supply gold wire is connected with the second ceramic sensor, and the second power supply gold wire is used for power supply for the first ceramic sensor and the second ceramic sensor. The flexible circuit board is provided with a second notch, and the second notch provides a mounting position for the second ceramic sensor.

[0011] As preferred, tail slots of the first power supply gold wire and the second power supply gold wire are gold-filled, and the flexible circuit board is integrally coated.

[0012] The utility model discloses in order to prevent corrosion, the flexible circuit board is integrally coated, and the tail slot of the second power supply gold wire and the first power supply gold wire is gold-filled.

[0013] As preferred, the first ceramic sensor and the second ceramic sensor are distributed at diagonal positions of the aluminum block.

[0014] The second ceramic sensor and the first ceramic sensor are distributed at diagonal positions of the heated surface of the aluminum block. The second ceramic sensor and the first ceramic sensor are redundantly arranged, one of which is used for measuring the temperature of the aluminum block, and the other is used for comparing with the sensor before to verify the accuracy of the temperature of the aluminum block.

[0015] Preferably, the surface of the second flexible circuit board is provided with welding spots connected with the second power supply gold wire, and the welding spots are distributed on one side of the first notch and one side of the second notch.

[0016] The surface of the second flexible circuit board is provided with welding spots, the welding spots are connected with the second power supply gold wire, and the welding spots are distributed on one side of the first notch and one side of the second notch. The purpose of the arrangement is to facilitate the welding and installation of the first ceramic sensor and the second ceramic sensor.

[0017] Preferably, the aluminum block is provided with a clamping groove, and the flexible circuit board is clamped in the clamping groove and fixedly attached to the bottom surface of the clamping groove.

[0018] The aluminum block is provided with a clamping groove on the heated surface, the clamping groove is used for clamping the flexible circuit board, and the flexible circuit board is fixedly attached to the bottom surface of the clamping groove. The purpose of the clamping groove is to avoid transverse sliding of the flexible circuit board and enhance the stability of the structure.

[0019] Preferably, the aluminum block is provided with a pair of blocking strips on the opposite surface of the bottom surface of the clamping groove, and the transparent medical glass slide is clamped between the pair of blocking strips.

[0020] The aluminum block is provided with a pair of blocking strips on the opposite surface of the bottom surface of the clamping groove, i.e. the heat dissipation surface, the blocking strips are arranged in parallel on the two side edges of the heat dissipation surface, and are used for limiting the transparent medical glass slide, so that the transparent medical glass slide is placed more accurately on the effective heat exchange position of the heat dissipation surface.

[0021] The aluminum block is directly heated by the heating wires uniformly distributed on the attachment surface of the aluminum block, and the heat loss is reduced. The heating wires are uniformly distributed on the aluminum block, and the heating range is larger than that of the prior art, and the heating is more uniform. In addition, the heating temperature of the flexible circuit board is determined by the resistance of the heating wires, and the upper limit temperature can be set to 120° to avoid thermal runaway. Compared with the prior art ceramic heating block, the installation of the aluminum block is more simple and convenient, and the flexible circuit board can be attached and fixed on the aluminum block for use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic view of the back of the device structure of the utility model.

[0023] Figure 2 is a schematic view of the front of the device structure of the utility model.

[0024] Figure 3 is a schematic view of the flexible circuit board of the utility model.

[0025] Wherein: 1, aluminum block; 2, the first layer of flexible circuit board; 3, the first ceramic sensor; 4, the second layer of flexible circuit board; 5, the second ceramic sensor; 6, heating wire; 7, the first power supply gold line; 8, welding spot; 9, the second power supply gold line; 10, the first gap; 11, the second gap; 12, the blocking strip. DETAILED DESCRIPTION

[0026] Example 1:

[0027] This embodiment proposes a patch type heating module, referring to Figure 1 and Figure 3 , including aluminum block 1 and flexible circuit board, one side of the aluminum block 1 as the heating surface is pasted and fixed with the flexible circuit board with back glue, the opposite side of the aluminum block 1 and the flexible circuit board is pasted as the heat dissipation surface to heat the transparent medical glass slide, the flexible circuit board is internally provided with heating wire 6, and the heating wire 6 is uniformly distributed on the pasting surface of the aluminum block 1.

[0028] The utility model directly utilizes the heating wire 6 uniformly distributed on the pasting surface of the aluminum block 1 to directly heat the aluminum block 1, and reduces heat loss. Compared with the prior art, the heating wire 6 is uniformly distributed on the aluminum block 1, and the heating range is larger, and the heating is more uniform. In addition, the heating temperature of the flexible circuit board is determined by the heating wire resistance, and the upper limit temperature can be set to 120 DEG to avoid thermal runaway. Compared with the prior art ceramic heating block, the utility model is more simple and convenient to install, and only needs to paste and fix the flexible circuit board on the aluminum block 1 to use.

[0029] Reference Figure 3 , the aluminum block 1 is provided with the first ceramic sensor 3, the first ceramic sensor 3 is fixed on the heating surface of the aluminum block 1 and the flexible circuit board pasted and fixed, the flexible circuit board is provided with two layers in total, which are the first layer of flexible circuit board 2 and the second layer of flexible circuit board 4, the first layer of flexible circuit board 2 is encapsulated with the heating wire 6 and the first power supply gold line 7, and the heating wire 6 and the first power supply gold line 7 are in power supply connection. The second layer of flexible circuit board 4 is provided with the second power supply gold line 9, and the second power supply gold line 9 is used for power supply for the first ceramic sensor 3. The flexible circuit board is provided with the first gap 10, and the first gap 10 provides the installation position for the first ceramic sensor 3.

[0030] In order to prevent corrosion, the utility model is integrally coated on the flexible circuit board, and the tail slot of the second power supply gold line 9 and the first power supply gold line 7 is subjected to gold sinking treatment.

[0031] Example 2:

[0032] This embodiment is based on the redundant setting of the ceramic sensor in example 1, and proposes a patch type heating module, referring to Figure 1 andFigure 3 , including aluminum block 1 and flexible circuit board, one side of the aluminum block 1 is pasted and fixed with the flexible circuit board with back glue as the heating surface, the opposite side of the aluminum block 1 and the flexible circuit board is pasted as the heat dissipation surface to heat the transparent medical glass, the flexible circuit board is internally provided with heating wires 6, and the heating wires 6 are uniformly distributed on the pasting surface of the aluminum block 1.

[0033] The utility model directly utilizes the heating wires 6 which are uniformly distributed on the pasting surface of the aluminum block 1 to directly heat the aluminum block 1, and heat loss is reduced. The heating wires 6 are uniformly distributed on the aluminum block 1, and the heating range is larger than that of the prior art, and the heating is more uniform. In addition, the heating temperature of the flexible circuit board is determined by the heating wire resistance, and the upper limit temperature can be set to 120 DEG to avoid thermal runaway. Compared with the prior art ceramic heating block, the utility model is more simple and convenient to install, and only needs to paste and fix the flexible circuit board on the aluminum block 1 to be used.

[0034] Reference Figure 3 The utility model discloses the aluminum block 1 is equipped with first ceramic sensor 3, first ceramic sensor 3 is fixed on the aluminum block 1 and the heating surface of flexible circuit board pasting fixed, the flexible circuit board is equipped with two layers in total, is first layer flexible circuit board 2 and second layer flexible circuit board 4 respectively, first layer flexible circuit board 2 is encapsulated with heating wire 6 and first power supply gold wire 7, and heating wire 6 and first power supply gold wire 7 are powered on. Second layer flexible circuit board 4 is equipped with second power supply gold wire 9, and second power supply gold wire 9 is used to power supply for first ceramic sensor 3. First notch 10 is equipped on the flexible circuit board, and first notch 10 provides installation position for first ceramic sensor 3.

[0035] The utility model discloses in order to prevent corrosion, the whole film is formed to the flexible circuit board, and the tail slot of second power supply gold wire 9 and first power supply gold wire 7 is gold-filled.

[0036] The utility model discloses aluminum block 1 is equipped with second ceramic sensor 5, and second ceramic sensor 5 sets up on the aluminum block 1 and the heating surface of flexible circuit board pasting fixed, and second power supply gold wire 9 is connected with second ceramic sensor 5, and simultaneously powers supply for first ceramic sensor 3 and second ceramic sensor 5. Second notch 11 is equipped on the flexible circuit board, and second notch 11 provides installation position for second ceramic sensor 5.

[0037] The utility model discloses second ceramic sensor 5 and first ceramic sensor 3 are diagonally distributed on the heating surface of aluminum block 1. Second ceramic sensor 5 and first ceramic sensor 3 are redundantly arranged, one of which measures the temperature of the aluminum block, and the other measures the temperature of the aluminum block and compares with the previous sensor to verify the accuracy of the temperature of the aluminum block.

[0038] Embodiment 3:

[0039] This embodiment optimizes the second layer flexible circuit board 4 based on embodiment 2, and proposes a patch type heating module. Figure 1 And Figure 3 , including aluminum block 1 and flexible circuit board, one side of the aluminum block 1 is pasted and fixed with the flexible circuit board with back glue, the opposite side of the aluminum block 1 and the flexible circuit board is pasted as a heat dissipation surface to heat the transparent medical glass, the flexible circuit board is internally provided with heating wire 6, and the heating wire 6 is uniformly distributed on the pasting surface of the aluminum block 1.

[0040] The utility model directly utilizes the heating wire 6 which is uniformly distributed on the pasting surface of the aluminum block 1 to directly heat the aluminum block 1, and reduces heat loss. The heating wire 6 is uniformly distributed on the aluminum block 1, and compared with the prior art, the heating range is larger, and the heating is more uniform. In addition, the heating temperature of the flexible circuit board is determined by the heating wire resistance, and the upper limit temperature can be set to 120 DEG to avoid thermal runaway. Compared with the prior art ceramic heating block, the utility model is more simple and convenient to install, and only needs to paste and fix the flexible circuit board on the aluminum block 1 to use.

[0041] Reference Figure 3 , the aluminum block 1 is provided with a first ceramic sensor 3, the first ceramic sensor 3 is fixed on the heated surface of the aluminum block 1 and the flexible circuit board, the flexible circuit board is provided with two layers in total, which are a first layer flexible circuit board 2 and a second layer flexible circuit board 4, the first layer flexible circuit board 2 is packaged with the heating wire 6 and a first power supply gold wire 7, and the heating wire 6 and the first power supply gold wire 7 are in power supply connection. The second layer flexible circuit board 4 is provided with a second power supply gold wire 9, and the second power supply gold wire 9 is used for power supply for the first ceramic sensor 3. The flexible circuit board is provided with a first notch 10, and the first notch 10 provides a mounting position for the first ceramic sensor 3.

[0042] In order to prevent corrosion, the utility model discloses a whole film coating is carried out on the flexible circuit board, and the tail slot of the second power supply gold wire 9 and the first power supply gold wire 7 is subjected to gold plating treatment.

[0043] The aluminum block 1 of the utility model discloses a second ceramic sensor 5, the second ceramic sensor 5 is arranged on the heated surface of the aluminum block 1 and the flexible circuit board, the second power supply gold wire 9 is connected with the second ceramic sensor 5, and the first ceramic sensor 3 and the second ceramic sensor 5 are powered simultaneously. The flexible circuit board is provided with a second notch 11, and the second notch 11 provides a mounting position for the second ceramic sensor 5.

[0044] The second ceramic sensor 5 and the first ceramic sensor 3 are diagonally distributed on the heated surface of the aluminum block 1.

[0045] With reference Figure 3 The surface of the second layer flexible circuit board 4 is provided with welding spots 8, the welding spots 8 are connected with second power supply gold wires 9, and the welding spots 8 are distributed on one side of the first notch 10 and one side of the second notch 11. The purpose of the arrangement is to facilitate the welding and installation of the first ceramic sensor 3 and the second ceramic sensor 5.

[0046] Embodiment 4:

[0047] The aluminum block is optimized based on the embodiment 3, and a patch type heating module is provided. Figure 1 And Figure 3 The utility model discloses a patch type heating module, which comprises an aluminum block 1 and a flexible circuit board, one side of the aluminum block 1 is pasted and fixed with the flexible circuit board with back glue, the opposite side of the aluminum block 1 and the flexible circuit board is pasted as a heat dissipation surface to heat the transparent medical glass slide, the flexible circuit board is internally provided with heating wires 6, and the heating wires 6 are uniformly distributed on the pasting surface of the aluminum block 1.

[0048] The utility model directly utilizes the heating wires 6 which are uniformly distributed on the pasting surface of the aluminum block 1 to directly heat the aluminum block 1, so that heat loss is reduced. Compared with the prior art, the heating wires 6 are uniformly distributed on the aluminum block 1, so that the heating range is larger and the heating is more uniform. In addition, the heating temperature of the flexible circuit board is determined by the resistance of the heating wires, and the upper limit temperature can be set to 120 DEG to avoid thermal runaway. Compared with the prior art ceramic heating block, the utility model is more simple and convenient to install, and only needs to paste and fix the flexible circuit board on the aluminum block 1 to use.

[0049] The utility model is provided with a clamping groove on the heated surface of the aluminum block 1, the clamping groove is used for clamping the flexible circuit board, and the flexible circuit board is pasted and fixed on the bottom surface of the clamping groove. The purpose of the clamping groove is to avoid transverse sliding of the flexible circuit board and enhance the stability of the structure.

[0050] With reference Figure 2 The utility model is provided with a pair of blocking strips 12 on the opposite surface of the bottom surface of the clamping groove of the aluminum block 1, i.e. the heat dissipation surface, the blocking strips 12 are parallelly arranged on the two side edges of the heat dissipation surface and are used for limiting the transparent medical glass slide, so that the transparent medical glass slide can be more accurately placed on the effective heat exchange position of the heat dissipation surface.

[0051] With reference Figure 3The utility model discloses a first ceramic sensor 3 is equipped with to the aluminium block 1, first ceramic sensor 3 is fixed on the aluminium block 1 with the flexible circuit board pasting fixed heat -receiving surface, the flexible circuit board is equipped with two layers in total, is first layer flexible circuit board 2 and second layer flexible circuit board 4 respectively, first layer flexible circuit board 2 is encapsulated with heating wire 6 and first power supply gold line 7, and heating wire 6 and first power supply gold line 7 are connected in power supply. Second layer flexible circuit board 4 is equipped with second power supply gold line 9, and second power supply gold line 9 is used for power supply for first ceramic sensor 3. First notch 10 is equipped on the flexible circuit board, and first notch 10 provides the mounting position for first ceramic sensor 3.

[0052] The utility model discloses in order to prevent corrosion, the overall film is formed to the flexible circuit board, and the tail slot of second power supply gold line 9 and first power supply gold line 7 is gold -plated processing.

[0053] The utility model discloses an aluminium block 1 is equipped with second ceramic sensor 5, and second ceramic sensor 5 sets up on the aluminium block 1 with the flexible circuit board pasting fixed heat -receiving surface, and second power supply gold line 9 is connected with second ceramic sensor 5, and simultaneously power supply for first ceramic sensor 3 and second ceramic sensor 5. Second notch 11 is equipped on the flexible circuit board, and second notch 11 provides the mounting position for second ceramic sensor 5.

[0054] The utility model discloses the diagonal distribution of second ceramic sensor 5 and first ceramic sensor 3 on the heat -receiving surface of aluminium block 1. Second ceramic sensor 5 and first ceramic sensor 3 are redundantly arranged, and the function of one of them is to measure aluminium block temperature, and the function of the other is to measure aluminium block temperature and compare with the sensor of the former to verify the accuracy of aluminium block temperature.

[0055] Reference Figure 3 The utility model discloses the surface of second layer flexible circuit board 4 is equipped with solder joint 8, and solder joint 8 is connected with second power supply gold line 9, and solder joint 8 is distributed on the one side of first notch 10 and the one side of second notch 11. The utility model discloses thus set -up purpose is convenient for the welding installation of first ceramic sensor 3 and second ceramic sensor 5.

Claims

1. A patch heating module, characterized in that, The application relates to a heating device for transparent medical slides, which comprises an aluminum block (1) and a flexible circuit board, one side of the aluminum block (1) is fixedly bonded with the flexible circuit board, the opposite side of the aluminum block (1) bonded with the flexible circuit board is used for heating a transparent medical slide, and the flexible circuit board is internally provided with heating wires (6) uniformly distributed on the bonding side of the aluminum block (1).

2. A patch heating module according to claim 1, characterised in that The first ceramic sensor (3) is arranged on the side of the aluminum block (1) fixedly bonded with the flexible circuit board, the flexible circuit board is divided into two layers, the heating wires (6) are encapsulated in the first layer of flexible circuit board (2), the first layer of flexible circuit board (2) is provided with first power supply gold wires (7) connected with the heating wires (6), the second layer of flexible circuit board (4) is provided with second power supply gold wires (9) of the first ceramic sensor (3), and the flexible circuit board is provided with first notches (10) for providing mounting positions of the first ceramic sensor (3).

3. A patch heating module according to claim 2, characterised in that The second ceramic sensor (5) is arranged on the side of the aluminum block (1) fixedly bonded with the flexible circuit board, the second power supply gold wires (9) are simultaneously connected with the second ceramic sensor (5) in power supply, and the flexible circuit board is provided with second notches (11) for providing mounting positions of the second ceramic sensor (5).

4. The patch heating module of claim 2, wherein, Tail slots of the first power supply gold wires (7) and the second power supply gold wires (9) are gold-plated, and the whole flexible circuit board is coated.

5. A patch heating module according to claim 3, wherein The first ceramic sensor (3) and the second ceramic sensor (5) are arranged at diagonal positions of the aluminum block (1).

6. A patch heating module according to claim 3, wherein The surface of the second layer of flexible circuit board (4) is provided with welding spots (8) connected with the second power supply gold wires (9), and the welding spots (8) are arranged on one side of the first notches (10) and one side of the second notches (11).

7. A patch heating module according to any one of claims 1 to 6, characterised in that, The aluminum block (1) is provided with a clamping groove, the flexible circuit board is clamped in the clamping groove and fixedly bonded with the bottom surface of the clamping groove.

8. A patch heating module according to claim 7, characterised in that The aluminum block (1) is provided with a pair of blocking strips (12) on the opposite side of the bottom surface of the clamping groove, and the transparent medical slide is clamped between the pair of blocking strips (12).

Images