CN211555365U

CN211555365U - Temperature controller with LED display

Info

Publication number: CN211555365U
Application number: CN202020143047.4U
Authority: CN
Inventors: 赵晓春
Original assignee: Shanghai Xiyue Data Technology Co ltd
Current assignee: Shanghai Xiyue Data Technology Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-09-22
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a temperature controller that LED shows, include: install the panel on the drain pan, install power supply module in the drain pan, wherein, install display module on the power supply module, display module includes: the LED light source comprises a printed circuit board, a light guide component and a light source, wherein the printed circuit board is provided with a plurality of LED lamp beads and is provided with the light guide component matched with the LED lamp beads; the panel is provided with an opening matched with the light guide assembly, and the opening is covered with a display window. The utility model discloses a mode of LED lamp pearl illumination, cooperation leaded light subassembly has realized that LED lamp pearl on the temperature controller panel shows, is different from traditional scheme that combines black and white segment code formula LCD liquid crystal display in a poor light, the utility model discloses it is adjustable to show the luminance grade, and it is higher to show the definition, and the effect of whole demonstration is more ideal, is favorable to promoting user's use and experiences to, can effectual reduction hardware cost.

Description

Temperature controller with LED display

Technical Field

The utility model relates to a temperature controller especially relates to a temperature controller that LED shows.

Background

The traditional temperature controller panels are all in black and white segment code type LCD liquid crystal display, because the liquid crystal cannot emit light, backlight is needed to be added to combine a display component, the cost of the component is relatively high, the segment code liquid crystal is accompanied with the problem of bottom shadow, and the display component is particularly more obvious at night; if the local icon has color display requirement, only one color LCD can be customized, the manufacturing process of the component is complicated, and the cost is greatly increased.

And adopt LED emitting diode to be used for showing, solved and shown the shadow, colored convenient optional (LED lamp pearl colour kind is many), show that luminance grade is adjustable, show that the definition is higher, and the advantage is showing.

Therefore, the utility model provides an adopt LED to carry out the temperature controller that shows.

SUMMERY OF THE UTILITY MODEL

The above object of the present invention is achieved by the following technical solutions:

a temperature controller with LED display comprises: install the panel on the drain pan, install power supply module in the drain pan, wherein, install display module on the power supply module, display module includes: the LED light source comprises a printed circuit board, a light guide component and a light source, wherein the printed circuit board is provided with a plurality of LED lamp beads and is provided with the light guide component matched with the LED lamp beads; the panel is provided with an opening matched with the light guide assembly, and the opening is covered with a display window.

The temperature controller with LED display as described above, wherein the light guide assembly includes: the light guide panel is covered with a diffusion film and is provided with a plurality of light guide channels matched with the LED lamp beads; the diffusion film is provided with a pattern matched with the light guide channel.

The temperature controller with the LED display is characterized in that the diffusion film is made of PET material.

The temperature controller with the LED display function is characterized in that the display window is made of a semi-transparent dark brown material.

The temperature controller with LED display as described above, wherein the panel includes: the key supports are arranged on two sides of the opening, and keys are arranged on the key supports; the back of the key is provided with two cross ribs, and the printed circuit board is provided with an operation key corresponding to the cross ribs.

The temperature controller with LED display as described above, wherein the key holder comprises: the key comprises two rotating mechanisms which are oppositely arranged, each rotating mechanism is provided with a rotating shaft, and the back of the key is provided with a shaft hole matched with the rotating shaft.

The temperature controller with LED display as described above, wherein the key holder further comprises: two elastic arm mechanisms are arranged on the bottom plate, one ends of the elastic arm mechanisms are arranged on the bottom plate, and the other ends of the elastic arm mechanisms are abutted to the back surfaces of the keys; the elastic arm mechanism is made of elastic materials.

The temperature controller with the LED display function is characterized in that the bottom plate is provided with a square hole corresponding to the cross rib, and the bottom plate is provided with a through hole corresponding to the screw hole of the bottom shell.

The temperature controller with the LED display function, wherein the light guide assembly has a plurality of fasteners, the printed circuit board has a slot matching with the fasteners, and the light guide assembly is mounted on the printed circuit board by the cooperation of the fasteners and the slot.

The temperature controller for LED display comprises a printed circuit board, a main control chip and an LED driving chip, wherein the printed circuit board is provided with the main control chip and the LED driving chip, the power supply assembly is connected with the main control chip for supplying power, the main control chip is connected with the LED driving chip, and the LED driving chip is connected with a plurality of LED lamp beads for controlling.

To sum up, owing to adopted above-mentioned technical scheme, the utility model discloses a mode of LED lamp pearl illumination cooperates the leaded light subassembly, has realized that LED lamp pearl on temperature controller panel shows, is different from traditional scheme that combines black and white segment code formula LCD liquid crystal display in a poor light, the utility model discloses it is adjustable to show the luminance grade, and it is higher to show the definition, and the effect of whole demonstration is more ideal, is favorable to promoting user's use to experience to, can effectual reduction hardware cost.

Drawings

FIG. 1 is an exploded view of the temperature controller with LED display according to the present invention;

FIG. 2 is a schematic view of the temperature controller shown in the LED of the present invention;

FIG. 3 is a schematic diagram of a back side structure of a button of the temperature controller shown by the LED of the present invention;

FIG. 4 is an exploded view of the display module of the temperature controller with LED display according to the present invention;

FIG. 5 is a schematic structural front view of a display module of the LED display thermostat of the present invention;

FIG. 6 is a schematic structural view of a light guide panel of the LED display temperature controller of the present invention;

FIG. 7 is a schematic structural view of a printed circuit board of the LED display temperature controller of the present invention;

fig. 8 is a circuit block diagram of the temperature controller with LED display according to the present invention.

Detailed Description

The invention will be further described with reference to the following figures and examples:

fig. 1 is the structure explosion sketch map of the temperature controller that the utility model discloses LED shows, fig. 2 is the utility model discloses the main view sketch map of the temperature controller that LED shows, fig. 4 is the utility model discloses the structure explosion sketch map of the display module of the temperature controller that LED shows, please see fig. 1, 2, 4, a temperature controller that LED shows, include: install panel 3 on the drain pan 5, install power supply module 4 in the drain pan 5, wherein, install display module 2 on power supply module 4, display module 2 includes: a plurality of LED lamp beads 61 are arranged on the printed circuit board 6, and a light guide component 7 matched with the LED lamp beads 61 is arranged on the printed circuit board 6; the faceplate 3 has an opening matching the light guide member 7, and the opening is covered with a display window 8. Through set up LED lamp pearl 61 on printed circuit board 6, realized the demonstration of LED lamp pearl 61 on temperature controller panel 3.

Fig. 5 is the structure main view schematic diagram of the display module of the temperature controller that the utility model discloses LED shows, fig. 6 is the utility model discloses the light guide panel's of the temperature controller that LED shows structural schematic diagram, fig. 7 is the utility model discloses the printed wiring board's of the temperature controller that LED shows structural schematic diagram please see fig. 5 ~ 7, and is further, light guide module 7 includes: the light guide panel is covered with a diffusion film 73 and is provided with a plurality of light guide channels 71 matched with the LED lamp beads 61; the diffuser film 73 has a pattern thereon that matches the light guide channels 71.

Specifically, the LED lamp beads 61 correspond to the content of the icons on the diffusion film 73 through various combinations and orderings. The icon on the diffusion film 73 is glued on the light guide panel, the icon content on the diffusion film 73 corresponds to the light channel on the light guide channel 71, and the icon content can be displayed in multiple colors. The areas except for the icons are printed in black by a screen printing process on the diffusion film 73.

Further, the diffusion film 73 is made of PET material. The PET material has certain light transmissivity, can also avoid LED lamp pearl 61 night light dazzling or show unclear simultaneously. Films made of PET materials have found wide application in the prior art.

Further, the display window 8 is made of a semi-transparent dark brown material. The display window 8 is assembled on the panel 3 by means of double-sided adhesive tape or a fastener.

The utility model discloses an among the concrete implementation process, LED lamp pearl 61 is luminous white at normal operating condition, projects diffusion barrier 73 through light guide channel 71 on the leaded light panel on, and diffusion barrier 73 is special material, also is the PET material, can the misce bene light, shows clear icon content. The display window 8 is arranged on the display component 2, the temperature controller is in a non-working state or a standby state and forms an integrated black effect with the diffusion film 73, and clear and bright icon contents can be obtained through the display window 8 in the working state.

Fig. 3 is a schematic diagram of the back structure of the button of the temperature controller displayed by the LED of the present invention, further, the panel 3 includes: the key 1 bracket is arranged at the two sides of the opening, and the key 1 is arranged on the key 1 bracket; the back of the key 1 is provided with two cross ribs, and the printed circuit board 6 is provided with an operation key 62 corresponding to the cross ribs.

Further, the support of the key 1 comprises: two rotary mechanism 32 that set up relatively, rotary mechanism 32 has the pivot, and button 1 back has the shaft hole that matches with the pivot. So that key 1 can be pressed.

Further, the support of the key 1 further comprises: two elastic arm mechanisms 31 are arranged on the bottom plate, one ends of the elastic arm mechanisms 31 are arranged on the bottom plate, and the other ends of the elastic arm mechanisms 31 are abutted against the back surfaces of the keys 1; the elastic arm mechanism 31 is made of elastic material. The elastic arm mechanism 31 increases the elasticity of the key 1 during the rotation motion, thereby ensuring the hand feeling.

Furthermore, a square hole 34 is formed in the position, corresponding to the cross rib, of the bottom plate, and a through hole is formed in the portion, corresponding to the screw hole of the bottom shell 5, of the bottom plate. The square hole 34 is used for allowing the cross rib to pass through to contact the operation key 62. The printed circuit board 6 has a recess corresponding to the through hole, so that the printed circuit board 6 and the panel 3 are not affected by the installation of the bottom case 5, and the panel 3 and the bottom case 5 can be installed in a common installation manner in the prior art.

Further, the light guide assembly 7 is provided with a plurality of buckles, the printed circuit board 6 is provided with a clamping groove matched with the buckles, and the light guide assembly 7 is installed on the printed circuit board 6 through the matching of the buckles and the clamping groove.

Fig. 8 is the circuit block diagram of the temperature controller that LED shows of the utility model discloses please see fig. 8, and is further, installs main control chip 64, LED driver chip 68 on the printed circuit board, and power supply module 4 connects the power supply of main control chip 64, and main control chip 64 connects LED driver chip 68, and LED driver chip 68 connects a plurality of LED lamp pearls 61 and controls.

Specifically, the utility model discloses a big singlechip is selected for use to main control chip 64(MCU), and the model is H32L136J8TA, and LED driver chip 68 is for closing tai HT1632C, and the serial communication is adopted in the control between singlechip and the LED driver chip 68, and control signal includes chip selection CS signal, RD read signal, WR write signal, DATA DATA signal. The connection combination of the main control chip 64 and the LED driving chip 68 can control the LED lamp beads 61.

The utility model discloses a power supply module 4 is connected to printed circuit board: the power panel is characterized in that the printed circuit board also comprises a direct current power system module which provides 5V and 3.3V voltages; the display component 2 displays numbers and icons for an LED dot matrix array formed by a plurality of LED lamp beads 61. The main control chip 64 is connected to the temperature detection module 67, and the temperature detection module 67 converts the voltage to the AD interface of the main control chip 64 by the NTC high-precision resistor to detect the current indoor environment temperature. The main control chip 64 may also be connected with a communication module 65, and the communication module 65 may be wireless or wired, such as: WiFi, Sub1G, ZigBee. The main control chip 64 is connected with a valve control module 66; the valve control module 66 is a relay that controls the power on and off to control the valve opening and closing. The operating keys 62 are also connected to the MCU.

The utility model provides a main control chip 64 and LED driver chip 68 realize the control to LED lamp pearl 61, the part that other main control chip 64 are connected, for example: the temperature detection module 67, the communication module 65 and the valve control module 66 can be implemented by using the connection method in the prior art. c. C

Further, the power panel is mainly an AC-DC power module. This is a commonly used technical approach in the art.

Furthermore, a probe hole 33 can be formed in the frame of the panel 3, and the temperature probe 63 of the temperature detection module 67 is arranged corresponding to the probe hole 33 to measure the required ambient temperature.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised in accordance with the principles of the present invention by those skilled in the art without the use of inventive faculty, or through software programming. Therefore, the technical solutions that can be obtained by a person skilled in the art or a general model fan based on the concepts of the present invention through logical analysis, reasoning or limited experiments based on the prior art are all within the scope of protection defined by the claims.

Claims

1. A temperature controller with LED display comprises: install the panel on the drain pan, install power supply module in the drain pan, its characterized in that, install display module on the power supply module, display module includes: the LED light source comprises a printed circuit board, a light guide component and a light source, wherein the printed circuit board is provided with a plurality of LED lamp beads and is provided with the light guide component matched with the LED lamp beads; the panel is provided with an opening matched with the light guide assembly, and the opening is covered with a display window.

2. The LED-displayed thermostat of claim 1, wherein the light guide assembly comprises: the light guide panel is covered with a diffusion film and is provided with a plurality of light guide channels matched with the LED lamp beads; the diffusion film is provided with a pattern matched with the light guide channel.

3. The LED display thermostat of claim 2, wherein the diffusion film is made of PET material.

4. The LED display thermostat of claim 1, wherein the display window is made of a semi-transparent dark brown material.

5. The LED-displayed thermostat of claim 1, wherein the panel comprises: the key supports are arranged on two sides of the opening, and keys are arranged on the key supports; the back of the key is provided with two cross ribs, and the printed circuit board is provided with an operation key corresponding to the cross ribs.

6. The LED-displayed thermostat of claim 5, wherein the key support comprises: the key comprises two rotating mechanisms which are oppositely arranged, each rotating mechanism is provided with a rotating shaft, and the back of the key is provided with a shaft hole matched with the rotating shaft.

7. The LED-displayed thermostat of claim 6, wherein the key support further comprises: two elastic arm mechanisms are arranged on the bottom plate, one ends of the elastic arm mechanisms are arranged on the bottom plate, and the other ends of the elastic arm mechanisms are abutted to the back surfaces of the keys; the elastic arm mechanism is made of elastic materials.

8. The LED temperature controller according to claim 7, wherein the bottom plate has a square hole corresponding to the cross rib, and a through hole corresponding to the screw hole of the bottom case.

9. The LED display temperature controller according to claim 1, wherein the light guide assembly has a plurality of fasteners, the printed circuit board has a slot matching with the fasteners, and the light guide assembly is mounted on the printed circuit board by the fasteners matching with the slot.

10. The LED display temperature controller according to claim 1, wherein a main control chip and an LED driving chip are mounted on the printed circuit board, a power supply assembly is connected with the main control chip for supplying power, the main control chip is connected with the LED driving chip, and the LED driving chip is connected with a plurality of LED lamp beads for control.