Temperature controller for disinfection cabinet with novel structure
By designing a new structure in the disinfection cabinet thermostat, using components such as a shaping seat, NTC resistor, polyimide film, aluminum cover and epoxy resin, the existing thermostat is easily broken down and short circuit in the production process, achieving higher voltage withstand voltage and insulation performance, reducing failure rate and production cost.
Patent Information
- Application Number
- CN202421315929.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing disinfection cabinet thermostats are prone to breakdown and short circuit problems in the production process, resulting in low product qualification rate and poor reliability, which increases production costs and customer complaints.
A new structure of the thermostat for disinfection cabinet was designed, using components such as shaping seats, NTC resistors, polyimide films, aluminum covers and epoxy resins to improve voltage and insulation performance by optimizing structure and material selection.
This design significantly improves the product's withstand voltage and insulation performance, avoids inaccurate temperature measurement or low resistance caused by resistance to the edge, reduces the failure rate, and improves production efficiency and product quality.
Smart Images

Figure CN222657502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of temperature controllers for disinfection cabinets, in particular to a temperature controller for disinfection cabinets with a new structure. Background Art
[0002] Currently, most disinfection cabinets on the market use thermostats to achieve temperature control. Their production processes generally have problems with breakdown and short circuits during insulation and voltage resistance tests. This production process problem has defects in the production pass rate and the reliability of the entire machine, resulting in failures, which reduces customer experience and increases production costs. Utility Model Content
[0003] The utility model aims to provide a temperature controller for a disinfection cabinet with a new structure, which has the advantage of high practicability and solves the problem of low practicability of the existing device.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new structure thermostat for a disinfection cabinet, comprising a molding seat, an NTC resistor is arranged at the bottom of the molding seat, a polyimide film is arranged at the bottom of the NTC resistor, an aluminum cover is arranged on the outside of the NTC resistor, nests are arranged on the left and right sides of the aluminum cover, the inner cavity of the aluminum cover is filled with epoxy resin, a sleeve is arranged on the top of the molding seat, a connecting wire is arranged in the inner cavity of the sleeve, and the other end of the connecting wire is connected to a connector.
[0005] Preferably, a positioning hole is provided at the bottom of the shaping seat, and the positioning hole is designed to have a large chamfer and a rounded corner transitions to a straight edge.
[0006] Preferably, the number of the positioning holes is two, and the spacing between the two positioning holes is designed to be the spacing after the NTC resistor pins are bent and formed.
[0007] Preferably, the shaping seat is made of PPS material, and the thickness of the polyimide film is between 0.04 mm and 0.06 mm.
[0008] Preferably, the aluminum cover is an improved metal shell made of stainless steel, and the number of the nests is two and they are located on the same axis.
[0009] Preferably, the connecting wire is fixed by terminal crimping, and the sleeve is sleeved on the connecting wire.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0011] 1. The utility model improves and develops the existing structure. Under the condition of ensuring its performance, the structure improves the voltage resistance and insulation performance, and realizes the effect of resistor centering, avoiding the situation that the resistor is close to the edge and causes inaccurate temperature measurement or the resistor is not at the bottom, thereby improving production efficiency, improving product quality, reducing production costs and loss of defective products. The structure can greatly reduce the probability of product failure during the use of the whole machine, thereby achieving a high practical effect and solving the problem of low practicality of the existing device.
[0012] 2. The utility model designs a polyimide film, which has outstanding high temperature resistance, corrosion resistance and insulation, and will not affect the response speed of the temperature controller. By designing the positioning hole as a large chamfer and transitioning from a rounded corner to a straight edge, it is convenient to install the NTC resistor pins during production; in order to prevent the pins from bending or crossing during the production process, it can effectively avoid the occurrence of pin crossing and skewing, so that the resistor can be kept in the center position, and the nests are designed to fix the molding seat at the same height for preliminary fixation. By designing epoxy resin, the epoxy resin not only has a fixing effect but also an insulating effect. The secondary insulation of this process can greatly improve the reliability of the product in the use environment of the whole machine for voltage breakdown resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 This is a front cross-sectional view of the structure of the shaping seat of the utility model;
[0015] Figure 3 This is a front cross-sectional view of the NTC resistor structure of the utility model.
[0016] In the figure: 1. Molding seat; 2. NTC resistor; 3. Polyimide film; 4. Aluminum cover; 5. Nest; 6. Epoxy resin; 7. Sleeve; 8. Connecting wire; 9. Connector; 10. Positioning hole. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-3A novel structure of a thermostat for a disinfection cabinet includes a forming seat 1, a positioning hole 10 is arranged at the bottom of the forming seat 1, the positioning hole 10 is designed to have a large chamfer and a straight edge transition from a rounded corner, the number of the positioning holes 10 is two, and the spacing between the two positioning holes 10 is designed to be the spacing after the NTC resistor 2 pins are bent and formed, and the polyimide film 3 is designed. The polyimide film 3 has outstanding high temperature resistance, corrosion resistance and insulation, which will not affect the reaction speed of the thermostat. By designing the positioning hole 10 to have a large chamfer and a straight edge transition from a rounded corner, it is convenient to produce NT Installation of the pins of C resistor 2; in order to prevent the pins from bending or crossing during the production process, the pins can be effectively prevented from crossing or skewing, so that the resistor can be kept in the center position. By designing the nest 5, the nest 5 fixes the shaping seat 1 at the same height for preliminary fixation. By designing the epoxy resin 6, the epoxy resin 6 not only has a fixing function but also an insulating function. The secondary insulation of this process can greatly improve the reliability of the product in the use environment of the whole machine. The bottom of the shaping seat 1 is provided with NTC resistor 2, and the bottom of the NTC resistor 2 is provided with Polyimide film 3, the material of the shaping seat 1 is PPS material, the thickness of the polyimide film 3 is between 0.04 mm and 0.06 mm, an aluminum cover 4 is arranged on the outside of the NTC resistor 2, and a nest 5 is arranged on both sides of the aluminum cover 4. The inner cavity of the aluminum cover 4 is filled with epoxy resin 6. The aluminum cover 4 is an improved metal shell made of stainless steel. The number of the nests 5 is two and they are on the same axis. A sleeve 7 is arranged on the top of the shaping seat 1. The inner cavity of the sleeve 7 is provided with a connecting wire 8. The connecting wire 8 is fixed by terminal crimping. The sleeve 7 is sleeved on the connecting wire. On line 8, the other end of the connecting line 8 is connected to a connector 9. By improving and developing the existing structure, while ensuring its performance, the structure improves the voltage resistance and insulation performance, and achieves the effect of resistance centering, avoiding the situation where the resistance is close to the edge and causes inaccurate temperature measurement or the resistance is not at the bottom, improving production efficiency, and improving product quality, reducing production costs and the loss of defective products. The structure can greatly reduce the probability of product failure during the use of the whole machine, thereby achieving a high practical effect and solving the problem of low practicality of the existing device.
[0019] When in use, the connecting wire 8 is fixed by terminal crimping, the sleeve 7 is put on the connecting wire 8 and matched with the connector 9 to assemble as a wiring harness, the NTC resistor 2 is installed on the molding seat 1, and after the polyimide film 3 is glued to the bottom, it is assembled on the aluminum cover 4 and pressed and positioned, filled with epoxy resin 6, and used as a thermostat after curing. After the wiring harness and the thermostat are firmly riveted with copper tape, the sleeve 7 is pushed to the pin of the NTC resistor 2. The sleeve 7 needs to completely wrap the pin to make a thermostat.
[0020] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent. In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.
[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A novel structure of a thermostat for a disinfection cabinet, comprising a molding seat (1), characterized in that: An NTC resistor (2) is arranged at the bottom of the shaping seat (1), a polyimide film (3) is arranged at the bottom of the NTC resistor (2), an aluminum cover (4) is arranged on the outside of the NTC resistor (2), nests (5) are arranged on the left and right sides of the aluminum cover (4), the inner cavity of the aluminum cover (4) is filled with epoxy resin (6), a sleeve (7) is arranged at the top of the shaping seat (1), a connecting wire (8) is arranged in the inner cavity of the sleeve (7), and the other end of the connecting wire (8) is connected to a connector (9).
2. According to claim 1, a new structure thermostat for a disinfection cabinet is characterized in that: A positioning hole (10) is provided at the bottom of the shaping seat (1), and the positioning hole (10) is designed to have a large chamfer and transition from a rounded corner to a straight edge.
3. A novel structure thermostat for a disinfection cabinet according to claim 2, characterized in that: The number of the positioning holes (10) is two, and the spacing between the two positioning holes (10) is designed to be the spacing of the pins of the NTC resistor (2) after being bent and formed.
4. A novel structure thermostat for a disinfection cabinet according to claim 1, characterized in that: The material of the shaping seat (1) is PPS material, and the thickness of the polyimide film (3) is between 0.04 mm and 0.06 mm.
5. The novel structure thermostat for a disinfection cabinet according to claim 1 is characterized in that: The aluminum cover (4) is an improved metal shell made of stainless steel. The number of the nests (5) is two and they are located on the same axis.
6. The novel structure thermostat for a disinfection cabinet according to claim 1 is characterized in that: The connecting wire (8) is fixed by terminal crimping, and the sleeve (7) is sleeved on the connecting wire (8).