PTC (Positive Temperature Coefficient) module with bracket for scrubber
By designing a PTC module with a bracket in the floor scrubber, and using an inverted structure and thermally conductive silicone to connect the temperature control bracket and the thermal protection bracket, a tight connection and rapid thermal protection are achieved. This solves the problems of insensitive thermal protection and low integration in traditional floor scrubbers, and improves safety and heat dissipation performance.
Patent Information
- Application Number
- CN202520166189.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-24
AI Technical Summary
The separate design of the heating module and thermal protector in traditional floor cleaning machines results in high complexity, large size, low integration, and insensitive thermal protection.
Design a PTC module with bracket for floor scrubbers. The temperature control bracket and the thermal protection bracket are connected by an inverted structure and bonded with thermally conductive silicone to integrate a temperature controller and a thermal fuse, achieving tight connection and rapid response thermal protection.
It improves the sensitivity and response speed of thermal protection, reduces the module size, simplifies the installation process, and ensures safety and heat dissipation performance.
Smart Images
Figure CN223799743U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of heating module support, concretely to a PTC module with support for scrubber. BACKGROUND
[0002] The heating module is the key component for realizing high-temperature steam mopping in the scrubber, and requires high-efficiency and stable heating performance. The heating module may generate high temperature during operation, and therefore must be equipped with corresponding safety protection technology, such as overheat protection and short circuit protection, to ensure user safety.
[0003] In the traditional design of the scrubber, the heating block and the thermal protector are usually two separate components, which need to be installed and connected respectively, increasing the complexity and assembly difficulty of the whole machine, and the low integration may result in a large volume of the whole machine, which is not conducive to the miniaturization and lightweight design of the scrubber. SUMMARY
[0004] (I) Technical problem solved
[0005] In view of the deficiencies in the prior art, the utility model provides a PTC module with support for scrubber, which has the advantages of heat preservation temperature sensing, more sensitive action, smaller appearance, and more convenient installation, and solves the problems of large volume, low integration, and insensitive heat preservation effect of the support in the prior art.
[0006] (II) Technical scheme
[0007] To achieve the above-mentioned heat preservation temperature sensing, more sensitive action, smaller appearance, and more convenient installation, the utility model provides the following technical scheme: a PTC module with support for scrubber, comprising a temperature control support and a heat preservation support, the temperature control support is used for installing a PTC heating core inside, the upper surface and the side surface of the temperature control support are hollowed out inward to form an open slot, the lead wire of the PTC heating core extends from the open slot and is connected to a power supply; an installation opening is formed on the lower surface of the temperature control support, and a downward extending installation undercut is arranged along the edge of the outer surface of the installation opening; an installation slot is formed on the lower surface of the heat preservation support, the temperature control support is connected inside the heat preservation support through the cooperation between the installation undercut and the installation slot; a placement area is arranged at the upper end of the heat preservation support, the position of the placement area corresponds to the position of the temperature control support, and a temperature controller and a thermal fuse are arranged inside the placement area.
[0008] Preferably, the upper surface of the temperature control support is tightly attached to the inner upper surface of the heat preservation support, and the attachment surface is bonded with heat-conducting silicone.
[0009] Preferably, the installation undercut is overall square and circular, and the top corners around are circular.
[0010] Preferably, the mounting undercut is provided with wire ports corresponding to the lead wire positions of the PTC heating core along the edge, and the number of wire ports is the same as the number of lead wires of the PTC heating core.
[0011] Preferably, the opening slot is provided with a cover plate matched with the upper end thereof.
[0012] Preferably, the cover plate is slidably installed in the opening slot through dovetail grooves.
[0013] Preferably, the length of the cover plate is less than that of the opening slot.
[0014] (Three) beneficial effects
[0015] Compared with the prior art, the utility model provides a PTC module with support for scrubber, which has the following beneficial effects:
[0016] 1、This PTC module with support for scrubber, through setting protruding installation undercut structure on the lower surface of temperature control support, make it form undercut connection between the installation slot of the lower surface of heat preservation support, make temperature control support fixedly installed in the inside of heat preservation support, the connection between the two is not only close, and still extra uses heat conduction silica gel to bond on the surface of fitting, this design greatly promotes the temperature sensing sensitivity and action response speed of heat preservation function, and the upper end of heat preservation support is provided with temperature controller and thermal fuse, because temperature control support and heat preservation support are closely pasted, and the heat conduction silica gel is coated between the two, make the heat on PTC heating core can better transmit to the thermal fuse and temperature controller at the upper end of heat preservation support, once the heating temperature is too high, the temperature controller will respond quickly, control the fuse to cut off the circuit, thereby effectively prevent the safety accident caused by high temperature.
[0017] 2、This PTC module with support for scrubber, through setting the wire port same as the lead wire position and number of PTC heating core around the edge of undercut structure, make lead wire can pass through wire port, avoid the protruding structure to cause the substantial bending of lead wire, at the same time, ensure that each lead wire is isolated separately, thereby prevent the heat accumulation problem caused by lead wire dense stacking, optimize the heat dissipation performance, and the upper portion of temperature control support is provided with cover plate and opening slot connected by dovetail groove structure, and the length of cover plate is less than that of opening slot, which is beneficial to wire outlet and has greater bending space. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a whole structure schematic view of temperature control support of the utility model;
[0019] Figure 2 It is a lower view B-B direction section structure schematic view of temperature control support of the utility model;
[0020] Figure 3 Structure schematic view when the lower surface of the heat preservation support of the utility model faces upward;
[0021] Figure 4 Structure schematic view when the upper surface of the heat preservation support of the utility model is covered with a cover plate;
[0022] Figure 5 Structure schematic view when the upper surface of the heat preservation support of the utility model is not covered with a cover plate.
[0023] In the drawing: 1, temperature control support; 11, open slot; 12, installation reverse buckle; 121, wire port; 13, cover plate; 14, dovetail groove; 2, heat preservation support; 21, installation slot; 22, placement area; 221, temperature controller, 222, thermal fuse; 3, PTC heating core. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Please refer to Figures 1-5 A PTC module with a support for a scrubber, comprising a temperature control support 1 and a heat preservation support 2, the inside of the temperature control support 1 is used for installing a PTC heating core 3, the upper surface and the side surface of part of the temperature control support 1 are hollowed inward to form an open slot 11, the PTC heating core 3 is installed inside the open slot 11, the zero line lead and the live line lead of the PTC heating core 3 respectively extend out from the open slot 11 at the side and the installation reverse buckle 12 below, and are connected to a power supply; the lower surface of the temperature control support 1 is provided with an installation port, the outer surface of the installation port is provided with a downward extending installation reverse buckle 12 along the edge; the lower surface of the heat preservation support 2 is provided with an installation slot 21, the temperature control support 1 is connected inside the heat preservation support 2 through the cooperation between the installation reverse buckle 12 and the installation slot 21, so that the fitting surface is more compact and the temperature sensing is more sensitive; the upper end of the heat preservation support 2 is provided with a placement area 22, the position of the placement area 22 corresponds to the position of the temperature control support 1 fixed inside the heat preservation support 2, the inside of the placement area 22 is provided with a temperature controller 221 and a thermal fuse 222; the upper surface of the temperature control support 1 and the inside upper surface of the heat preservation support 2 are closely fitted, the fitting surface is connected by heat-conducting silicone, so that the heat on the PTC heating core 3 can be better transmitted to the thermal fuse 222 and the temperature controller 221 at the upper end of the heat preservation support 2, once the heating temperature is too high, the temperature controller 221 will respond quickly to control the fuse to cut off the circuit, thereby effectively preventing safety accidents caused by high temperature.
[0026] Please refer toFigure 2 And Figure 3 The mounting reverse buckle 12 is overall square, and the top corners of the four sides are circular, facilitating installation, good sealing, facilitating protection of the wire from scratching, and strengthening the stability.
[0027] Please refer to Figure 1 、 Figures 4-5 The opening slot 11 is provided with a cover plate 13 matched with the upper end thereof, and in the embodiment, a dovetail slot 14 is designed to realize sliding installation of the cover plate 13 and the opening slot 11, and after installation, the fit is good, the heat insulation is good, the length of the cover plate 13 is less than that of the opening slot 11, which is beneficial to wire outlet and has a larger bending space, and the glue will not overflow during gluing.
[0028] In summary, the PTC module with a support for a floor cleaning machine utilizes the reverse buckle structure to connect the temperature control support 1 and the heat preservation support 2, so that the two are tightly connected, the installation space is reduced, the heat response efficiency of the temperature controller 221 is ensured, the overheat protection function responds more quickly, the leads of the PTC heating core 3 directly extend from the reverse buckle structure, the wire temperature is lower and safer, and the support structure is small in appearance, convenient and simple to install.
[0029] It should be noted that in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that comprises a list of elements does not only include those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprises a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.
[0030] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A PTC module with a support for a scrubber, comprising a temperature control support (1) and a heat preservation support (2), the temperature control support (1) is internally used for mounting a PTC heating core (3), the upper surface and the side surface of the temperature control support (1) are hollowed inward to form an open groove (11), the lead wire of the PTC heating core (3) is stretched out from the open groove (11) and connected to a power supply, characterized in that: The lower surface of the temperature control support (1) is provided with a mounting port, and the outer surface of the mounting port is provided with a downwardly extending mounting undercut (12) along the edge; the lower surface of the heat preservation support (2) is provided with a mounting slot (21), and the temperature control support (1) is connected inside the heat preservation support (2) through cooperation between the mounting undercut (12) and the mounting slot (21); the upper end of the heat preservation support (2) is provided with a placement area (22), the position of the placement area (22) corresponds to the position of the temperature control support (1), and the placement area (22) is internally provided with a temperature controller (221) and a thermal fuse (222).
2. The PTC module with bracket for a scrubber according to claim 1, characterized in that: The upper surface of the temperature control support (1) is tightly attached to the inner upper surface of the heat preservation support (2), and the attachment surface is adhered with heat-conducting silica gel.
3. The PTC module with bracket for a scrubber according to claim 1, characterized in that: The mounting undercut (12) is overall square, and the top corners around the mounting undercut (12) are all arc-shaped.
4. The PTC module with bracket for a scrubber according to claim 1, characterized in that: The mounting undercut (12) is provided with wire ports (121) corresponding to the lead positions of the PTC heating core (3) along the edge, and the number of the wire ports (121) is the same as the number of the leads of the PTC heating core (3).
5. The PTC module with bracket for a scrubber according to claim 1, characterized in that: The opening slot (11) is provided with a cover plate (13) adapted to the upper end thereof.
6. The PTC module with bracket for a scrubber as claimed in claim 5, characterized in that: The cover plate (13) is slidably mounted with the opening slot (11) through dovetail grooves (14).
7. The PTC module with bracket for a floor cleaning machine according to any one of claims 5-6, characterized in that: The length of the cover plate (13) is less than that of the opening slot (11).