Pressure maintaining device

Abstract

The utility model relates to a pressure maintaining device which comprises a holding assembly, a pressure maintaining assembly and a prompting assembly, and the prompting assembly comprises a timing unit, a sensing part and a prompting part. During use, an operator moves the pressure maintaining device through the holding assembly, the light bar is arranged below the pressure maintaining assembly, pressure maintaining is conducted on the light bar through overall gravity downward pressing of the pressure maintaining device, when the sensing piece senses that the distance between the light bar and the pressure maintaining assembly is a preset distance, a distance signal is sent to the timing unit, and the timing unit records the pressure maintaining time; when pressure maintaining reaches preset time, the timing unit sends a pressure maintaining proceeding signal to the prompting part, the prompting part prompts that the pressure maintaining assembly is in a pressure maintaining proceeding state, when pressure maintaining reaches preset time, the timing unit sends a pressure maintaining completion signal to the prompting part, the prompting part prompts that the pressure maintaining assembly is in a pressure maintaining completion state, and pressure maintaining of a single light bar is completed. The pressure maintaining time can be accurately recorded and prompted, so that the pressure maintaining time of each light bar is consistent, the pressure maintaining time is accurate, and the production quality of the light bars is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a lamp strip pressure maintaining jig, in particular to a pressure maintaining device. BACKGROUND

[0002] In the production operation of a television set production line module, the module lamp strip glue dispensing or double-sided adhesive tape pasting process needs some auxiliary pressure maintaining tools. The lamp strip pressure maintaining jig currently used is a block-shaped pressure maintaining jig, a block-shaped pressure maintaining tool is made according to the size of the pasting position of the back plate and the lamp strip substrate, the bottom of the tool is pasted with a sponge, and then a customized anti-static cloth is used to wrap the pressure maintaining tool. Two operators cooperate to place the pressure maintaining tool on the lamp strip for pressure maintaining, and the pressure maintaining time is determined by the operation habit of the operator, so that the pressure maintaining time of each lamp strip cannot be consistent, and the lamp strip pressure maintaining time of the whole machine cannot meet the process requirement of 6-10 seconds, thereby causing the lamp strip pressure maintaining to be not in place, and causing the lamp strip to be loose, displaced, and the screen to have white spots and other defects, which affects the production quality of the lamp strip.

[0003] Therefore, how to realize accurate pressure maintaining time and improve the production quality of the lamp strip is a technical problem to be solved by the person skilled in the art at present. CONTENT OF THE UTILITY MODEL

[0004] The application provides a pressure maintaining device to realize accurate pressure maintaining time and improve the production quality of the lamp strip.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A pressure maintaining device, comprising a holding assembly, a pressure maintaining assembly and a prompting assembly, wherein:

[0007] The holding assembly is connected with the pressure maintaining assembly;

[0008] The pressure maintaining assembly is used for pressure maintaining a lamp strip, and the holding assembly is used for moving the pressure maintaining assembly;

[0009] The prompting assembly is connected with the holding assembly and comprises a timing unit, a sensing piece and a prompting piece, and the timing unit, the sensing piece and the prompting piece are electrically connected;

[0010] The sensing piece is used for sensing the distance between the lamp strip and the pressure maintaining assembly, and sending a distance signal to the timing unit;

[0011] The timing unit is used for recording the cooperation time of the lamp strip and the pressure maintaining assembly, and sending a pressure maintaining performing signal and a pressure maintaining completing signal to the prompting piece;

[0012] The prompting piece is used for prompting the pressure maintaining assembly to be in a pressure maintaining performing state and a pressure maintaining completing state.

[0013] Optionally, in the pressure maintaining device, the pressure maintaining assembly comprises a back plate, a first side of the back plate is fixedly connected with the holding assembly, and a second side of the back plate is provided with a pressing strip, the pressing strip is provided with a groove, and the groove is used for accommodating the lamp beads of the lamp strip.

[0014] Optionally, in the pressure maintaining device, the holding assembly comprises a mounting plate and a handle, wherein:

[0015] a first side of the mounting plate is fixedly connected with a first side of the back plate, and a second side of the mounting plate is provided with a mounting hole used for mounting the handle;

[0016] the handle comprises two handles, and the two handles are fixedly connected with the second side of the mounting plate.

[0017] Optionally, in the pressure maintaining device, the second side of the mounting plate is provided with a plurality of protruding portions, the protruding portions extend away from the back plate, and the mounting hole is arranged in the protruding portion.

[0018] Optionally, in the pressure maintaining device, the pressure maintaining assembly further comprises a limiting piece, the limiting piece is fixedly connected with the back plate, and a side of the limiting piece away from the holding assembly extends in a direction perpendicular to the back plate, and the limiting piece is used for limiting the lamp strip.

[0019] Optionally, in the pressure maintaining device, the sensing piece is a photoelectric sensor, and the photoelectric sensor is used for sensing a distance between the lamp strip and the mounting plate and emitting a distance signal.

[0020] Optionally, in the pressure maintaining device, the prompting piece comprises a connecting portion and a prompting lamp, wherein:

[0021] the connecting portion is used for connecting the prompting lamp with the mounting plate;

[0022] the prompting lamp is electrically connected with the timing unit;

[0023] when the sensing piece senses that the distance between the lamp strip and the pressure maintaining assembly is a first distance, the sensing piece emits a distance signal to the timing unit, the timing unit emits a pressure maintaining signal to the prompting piece, and the prompting lamp is in a first state;

[0024] when the sensing piece senses that the distance between the lamp strip and the pressure maintaining assembly is a second distance, the sensing piece does not emit a distance signal, the timing unit does not emit a pressure maintaining signal, and the prompting lamp is in a second state;

[0025] the first state is one of lighting and extinguishing, and the second state is the other one of lighting and extinguishing.

[0026] Optionally, in the above-mentioned pressure maintaining device, the back plate is rectangular, and at least one of the two sides on which a corner of the back plate is located is provided with the limiting piece.

[0027] Optionally, in the above-mentioned pressure maintaining device, the limiting piece is rectangular or L-shaped.

[0028] Optionally, in the above-mentioned pressure maintaining device, the pressing strip and the back plate are detachably connected.

[0029] The pressure maintaining device provided by the utility model, in use, the operator moves the pressure maintaining device through the holding assembly, so that the lamp strip is arranged below the pressure maintaining assembly, the lamp strip is pressed by the overall gravity of the pressure maintaining device, and the sensing piece senses that the distance between the lamp strip and the pressure maintaining assembly is the preset distance, the sensing piece sends a distance signal to the timing unit, the timing unit starts to record the pressure maintaining time, and sends a pressure maintaining signal to the prompting piece, the prompting piece prompts that the pressure maintaining assembly is in the pressure maintaining state, when the pressure maintaining reaches the preset time, the timing unit sends a pressure maintaining completion signal to the prompting piece, the prompting piece prompts that the pressure maintaining assembly is in the pressure maintaining completion state, the operator moves the pressure maintaining device through the holding assembly, so that the pressure maintaining device is away from the lamp strip, and the pressure maintaining of the single lamp strip is completed, the above operation is repeated, the pressure maintaining of the lamp strip is realized, and the pressure maintaining time can be accurately recorded and prompted in the above process, so that the pressure maintaining time of each lamp strip is consistent, the pressure maintaining time is accurate, and the production quality of the lamp strip is improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] The drawings incorporated into the specification and constituting a part of the specification show embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application. In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below, and obviously, other drawings can also be obtained by those skilled in the art without creative labor. One or more embodiments are exemplarily illustrated by the pictures in the corresponding drawings, and these exemplary illustrations do not constitute a limitation on the embodiments, elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0031] Figure 1 The structure schematic view of the first visual angle of the pressure maintaining device disclosed by the utility model embodiment is shown in the figure;

[0032] Figure 2 The structure schematic view of the second visual angle of the pressure maintaining device disclosed by the utility model embodiment is shown in the figure;

[0033] Figure 3The third view angle structure schematic diagram of the pressure maintaining device is disclosed in the embodiment of the utility model.

[0034] Figure 4 The delay circuit structure schematic diagram is disclosed in the embodiment of the utility model.

[0035] Mark explanation:

[0036] Hold assembly 100, mounting plate 101, handle 102, protruding part 103.

[0037] Pressure maintaining assembly 200, back plate 201, recess 202, limiting piece 203.

[0038] Prompt assembly 300, connecting part 301, prompt lamp 302. Specific implementation

[0039] In order to make the purpose, technical scheme and advantage of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0040] The following disclosure provides many different embodiments or examples for implementing the various structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to the numbers and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides various specific examples of processes and materials, but those skilled in the art can realize the applicability of other processes and / or the use of other materials.

[0041] For the convenience of description, spatial relative terms can be used in the specification to describe the relative position relationship or movement condition of one element or feature with respect to another element or feature as shown in the drawings, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over or the posture is changed or the movement state is changed, the directional indications will also change accordingly, for example: the element described as "under" or "below" another element or feature will be oriented as "above" or "above" another element or feature. Therefore, the example term "below" can include both up and down positions. The device can be additionally oriented (rotated by 90 degrees or in other directions) and the spatial relative relationship descriptors used in the specification are interpreted accordingly.

[0042] In order to solve the problem of the lamp strip pressure maintaining time being not fixed and the lamp strip production quality being low in the prior art, the application provides a pressure maintaining device which can realize accurate pressure maintaining time of the lamp strip and improve the production quality of the lamp strip.

[0043] As shown in Figures 1-3 The utility model discloses a pressure maintaining device, including holding assembly 100, pressure maintaining assembly 200 and prompt assembly 300, wherein holding assembly 100 is connected with pressure maintaining assembly 200, and pressure maintaining assembly 200 is used for maintaining the pressure of the lamp strip, and holding assembly 100 is used for moving pressure maintaining assembly 200, and prompt assembly 300 is connected with holding assembly 100, and prompt assembly 300 includes timing unit, inductor and prompt piece, and timing unit, inductor and prompt piece are electrically connected, and inductor is used for sensing the distance between the lamp strip and pressure maintaining assembly 200 and sending distance signal to timing unit, and timing unit is used for recording the cooperation time of the lamp strip and pressure maintaining assembly 200 and sending pressure maintaining signal and pressure maintaining completion signal to prompt piece, and prompt piece is used for prompting pressure maintaining assembly 200 to be in pressure maintaining state and pressure maintaining completion state. Specifically, the function of prompt assembly 300 is to realize the switching of pressure maintaining assembly 200 between two states, when prompt assembly 300 sends pressure maintaining signal, pressure maintaining assembly 200 is in pressure maintaining state, and when the timing unit of prompt assembly 300 reaches the preset time, prompt assembly 300 sends pressure maintaining completion signal, and pressure maintaining assembly 200 can be switched to pressure maintaining completion state. Specifically, the above-mentioned signal includes but is not limited to sound signal, light signal, etc., as long as it can display prompt to the operator.

[0044] The pressure maintaining device provided by the utility model, when in use, the operator moves the pressure maintaining device through the holding assembly 100, so that the light bar is arranged below the pressure maintaining assembly 200, the pressure maintaining device is pressed downward through the overall gravity to maintain the pressure of the light bar, meanwhile, the sensing part senses the distance between the light bar and the pressure maintaining assembly 200 as the preset distance, sends the distance signal to the timing unit, the timing unit starts to record the pressure maintaining time, and sends the pressure maintaining signal to the prompting part, the prompting part prompts that the pressure maintaining assembly 200 is in the pressure maintaining state, when the pressure maintaining reaches the preset time, the timing unit sends the pressure maintaining completion signal to the prompting part, the prompting part prompts that the pressure maintaining assembly 200 is in the pressure maintaining completion state, the operator moves the pressure maintaining device through the holding assembly 100, so that the pressure maintaining device is far away from the light bar, the pressure maintaining of the single light bar is completed, the above operation is repeated, the flow operation of the light bar pressure maintaining is realized, in the above process, the pressure maintaining time can be accurately recorded and prompted, so that the pressure maintaining time of each light bar is consistent, the pressure maintaining time is accurate, and the production quality of the light bar is improved.

[0045] In order to optimize the above technical scheme, the pressure maintaining assembly 200 comprises a back plate 201, the first side of the back plate 201 is fixedly connected with the holding assembly 100, and the second side of the back plate 201 is arranged with a pressing strip, the pressing strip is provided with a groove 202, and the groove 202 is used for accommodating the lamp beads of the light bar. Specifically, the first side of the back plate 201 and the holding assembly 100 are connected through bolt connection, welding or the like. It should be noted that, in the prior art, a soft material object such as a sponge or an anti-static cloth is usually arranged on the side of the pressure maintaining tool close to the light bar, so as to cover and avoid the lamp beads and prevent the lamp beads from being damaged in the pressure maintaining process. The utility model forms a concave-convex structure on the side close to the light bar by opening the groove 202 on the pressing strip, so that the groove 202 accommodates and avoids the lamp beads, and the convex part of the pressing strip is pressed on the substrate of the light bar, thereby protecting the lamp beads and effectively maintaining the pressure, and the production quality of the light bar is improved. By arranging the pressing strip and the groove 202, the sponge, the anti-static cloth and other soft material objects in the pressure maintaining tool are reduced, which reduces the production cost of the pressure maintaining device on the one hand and improves the production quality of the light bar on the other hand.

[0046] In order to optimize the above technical scheme, the holding assembly 100 comprises a mounting plate 101 and a handle 102, wherein the first side of the mounting plate 101 is fixedly connected with the first side of the back plate 201, and the second side of the mounting plate 101 is provided with a mounting hole for mounting the handle 102, the number of the handle 102 is two, and the handle 102 is fixedly arranged on the second side of the mounting plate 101. Specifically, the mounting plate 101 is in a groove shape, the mounting hole is arranged on the groove wall of the mounting plate 101, and the groove bottom of the mounting plate 101 is fixedly connected with the first side of the back plate 201. Specifically, the two ends of the handle 102 are matched with the two mounting holes arranged oppositely, because the mounting plate 101 is in a groove shape, after the handle 102 is mounted in the mounting hole, the handle 102 still has a certain distance from the groove bottom, so as to facilitate the operator to hold. In use, the handle 102 is mounted in the mounting hole and is fixed, and the operator can hold the two handles 102 to move the pressure maintaining assembly 200. Such an arrangement can realize the stable movement of the pressure maintaining assembly 200, improve the use flexibility of the pressure maintaining assembly 200, and enable the pressure maintaining assembly 200 to be pressed downward in parallel with the lamp strip module, thereby improving the pressure maintaining efficiency.

[0047] In order to optimize the above technical scheme, the second side of the mounting plate 101 is provided with a plurality of protruding portions 103, the protruding portions 103 extend away from the back plate 201, and the mounting hole is arranged in the protruding portion 103. Specifically, the protruding portion 103 is a structure protruding from the groove wall, and the mounting hole is arranged on the protruding portion 103. Without prolonging the height of the groove wall, a larger space is reserved between the handle 102 and the groove bottom, so as to facilitate the operator to hold, thereby facilitating the movement of the pressure maintaining device. Specifically, the protruding portion 103 can have various shapes, and the utility model preferably has a "convex" shape.

[0048] In order to optimize the above technical scheme, the pressure maintaining assembly 200 further comprises a limiting piece 203, the limiting piece 203 is fixedly connected with the back plate 201, and the side of the limiting piece 203 away from the holding assembly 100 extends in a direction perpendicular to the back plate 201, and the limiting piece 203 is used for limiting the lamp strip. Specifically, according to the different sizes of the lamp strip module, the back plate 201 can have various sizes, and as the size of the lamp strip module increases, the overall weight of the pressure maintaining device can also increase, so as to ensure the pressure maintaining effect. Specifically, the back plate 201 and the mounting plate 101 can be detachably connected, and the operator can replace the back plate 201 connected with the mounting plate 101 according to the different sizes of the lamp strip module, so that the limiting piece 203 at the corresponding position of the back plate 201 can be just clamped with the lamp strip module. Such an arrangement can ensure the accurate positioning of the lamp strip, thereby effectively maintaining the pressure of the lamp strip and improving the production quality of the lamp strip.

[0049] In some embodiments of the utility model, the inductor is a photoelectric sensor, the photoelectric sensor is used for inducting the distance between the lamp strip and the mounting plate 101 and emitting a distance signal. Specifically, the photoelectric sensor controls by setting the distance, when the substrate of the lamp strip is at the preset distance from the photoelectric sensor, the photoelectric sensor starts and sends the distance signal to the timing unit, when the operator holds the pressure maintaining device and leaves the lamp strip, the substrate of the lamp strip is at the non-pre-set distance from the photoelectric sensor, the photoelectric sensor disconnects and stops sending the distance signal to the timing unit. By arranging the photoelectric sensor, it can be quickly judged whether the lamp strip cooperates with the pressure maintaining assembly 200, so as to accurately prompt the start time and the end time of the pressure maintaining, and cooperate with the timing unit and the prompting part, so that the pressure maintaining time of the pressure maintaining device for each lamp strip is consistent, the production quality of the lamp strip is improved, and the production efficiency of the lamp strip module is improved.

[0050] In order to optimize the above technical scheme, the prompting part comprises a connecting part 301 and a prompting lamp 302, wherein the connecting part 301 is used for connecting the prompting lamp 302 and the mounting plate 101, the prompting lamp 302 is electrically connected with the timing unit, when the inductor senses that the distance between the lamp strip and the pressure maintaining assembly 200 is the first distance, the inductor sends the distance signal to the timing unit, the timing unit sends the pressure maintaining signal to the prompting part, the prompting lamp 302 is in the first state, when the inductor senses that the distance between the lamp strip and the pressure maintaining assembly 200 is the second distance, the inductor does not send the distance signal, the timing unit does not send the pressure maintaining signal, and the prompting lamp 302 is in the second state, the first state is one of lighting and extinguishing, and the second state is the other one of lighting and extinguishing. Specifically, the connecting part 301 can be plate-shaped, the prompting lamp 302 is installed on the connecting part 301, and the connecting part 301 is bolted with the mounting plate 101. Specifically, the prompting lamp 302 can be an LED lamp. Specifically, the first distance is the preset distance set by the operator, or the range of the preset distance, and the second distance is other distance of the non-pre-set distance or the range of the non-pre-set distance, the operator can adjust the value of the preset distance according to the need, so as to coordinate the time when the inductor sends the distance signal, the time when the timing unit sends the pressure maintaining signal or the pressure maintaining completion signal, and the state switching time of the prompting lamp 302.

[0051] In one embodiment, as Figure 4As shown, the timing unit can be a delay circuit, which includes an LED lamp (LED1), a power supply (VCC) serving as a power source of the entire circuit and providing a required voltage for the circuit, a resistor (R), a resistor (R1), a transistor (Q1), a capacitor (C), and a switch (labeled as "IR SWITCH"). When the circuit is closed and the branch where the LED lamp is located obtains sufficient voltage, the LED lamp emits light. The resistor (R1) is connected between the LED lamp and the transistor (Q1). The charging time is determined by the resistance values of the resistor (R) and the resistor (R1) and the capacity of the capacitor (C). The duration of the voltage maintenance signal can be controlled by adjusting the size of the resistor (R). The switch S1 is controlled by the distance signal emitted by the sensing member. When the light bar is matched with the voltage maintenance assembly 200, the sensing member senses the light bar, and the switch S1 is opened. The power supply (VCC) charges the capacitor (C) through the resistor (R) and the resistor (R1). During the charging process, the base voltage of the transistor (Q1) gradually becomes high, the transistor (Q1) is saturated and turned on, the LED lamp forms a loop through the collector and the emitter of the transistor (Q1) to the ground, and the LED1 lamp is in a lighting state, prompting the operator that the voltage maintenance time meets the process requirements, and the voltage maintenance device can be placed back on its fixing frame, waiting for the next light bar module to flow into the voltage maintenance process. When the voltage maintenance device is placed back on the fixing frame, the sensing member detects that the distance between the light bar and the voltage maintenance assembly 200 is not the preset distance, the switch S1 is closed, the capacitor (C) is discharged through the switch S1, the base of the transistor (Q1) becomes low, the transistor (Q1) is in an off state, and the LED1 lamp is in an extinguished state.

[0052] It should be noted that the above embodiment is a scheme in which the sensing member emits a distance signal, the switch S1 of the timing unit is opened, the prompt lamp 302 is in an extinguished state during the voltage maintenance process, the sensing member does not emit a distance signal, the switch S1 of the timing unit is closed, and the prompt lamp 302 is in a lighting state after the voltage maintenance is completed. According to different arrangement structures of the delay circuit, there can be multiple schemes to enable the sensing member, the timing unit, and the prompting member to achieve the above effects, which will not be described herein again.

[0053] Such an arrangement enables the voltage maintenance time to be adjustable to meet the voltage maintenance process requirements of the light bar, ensures that the process requirements of the voltage maintenance time are met and the excessive voltage maintenance time is not wasted, thereby achieving the purpose of ensuring product quality while improving production efficiency.

[0054] In some embodiments of the utility model, backboard 201 is rectangular, and at least one of the two sides where one corner of backboard 201 is located is provided with a limiting piece 203. Specifically, the number of limiting pieces 203 can be adjusted according to the size of backboard 201, for example, the larger the size, the more limiting pieces 203. Specifically, limiting piece 203 is used to limit the position of the substrate of the light bar, and the optimal method is to limit in both the transverse and longitudinal directions of the substrate, therefore, the utility model preferably arranges limiting piece 203 on both sides where one corner of backboard 201 is located to accurately limit the substrate of the light bar and improve the pressure maintaining effect.

[0055] In some embodiments of the utility model, limiting piece 203 is rectangular or L-shaped. Specifically, the number of limiting pieces 203 can be adjusted according to the shape of limiting piece 203, when limiting piece 203 is rectangular, the utility model preferably arranges limiting piece 203 on both sides where one corner of backboard 201 is located, that is, eight limiting pieces 203 are arranged, limiting the four corners of the substrate of the light bar, when limiting piece 203 is L-shaped, the utility model preferably arranges one limiting piece 203 at each of the four corners of backboard 201 to limit the four corners of the substrate of the light bar. Further, limiting piece 203 and backboard 201 can be an integral structure or a detachable structure, when limiting piece 203 and backboard 201 are a detachable structure, limiting piece 203 and backboard 201 include but are not limited to bolt connection, plug-in connection, etc., the operator can replace limiting piece 203 according to the wear of limiting piece 203 to prolong the service life of backboard 201 and reduce the application cost of the pressure maintaining device.

[0056] In order to optimize the above technical solution, the pressing strip and the backboard 201 are detachably connected. Specifically, according to the different arrangement positions and shapes of the lamp beads and the lampshade, the grooves 202 on the pressing strip can have corresponding shapes to cooperate with the lamp beads and the lampshade. For example, when two light bar modules of the same size but different lamp bead arrangement shapes need to be pressure maintained, the operator can replace the pressing strip, so that one pressure maintaining device can be applied to the two light bar modules, thereby expanding the application range of the pressure maintaining device.

[0057] The utility model has the advantages of:

[0058] 1. The pressure maintaining time can be accurately maintained, and a pressure maintaining completion prompt can be issued, so that the pressure maintaining time of the pressure maintaining device for each light bar is consistent;

[0059] 2. The pressure maintaining efficiency and the production quality of the light bar can be improved;

[0060] 3. The production cost is low, the application range is wide, and the use flexibility is high.

[0061] It should be noted that the pressure maintaining device provided by the utility model can be used in the technical field of lamp strip pressure maintaining jig or other fields. The other fields are any fields except the technical field of lamp strip pressure maintaining jig. The above are only examples and do not limit the application field of the pressure maintaining device provided by the utility model.

[0062] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless specifically identified as an order dependent step. It is also to be understood that additional or alternative steps can be employed.

[0063] Although the terms first, second, third, and the like can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first", "second", and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0064] The specific embodiments described hereinabove are shown by way of example, and could be implemented in various ways. Many modifications of these embodiments could be made by those skilled in the art without departing from the spirit or scope of the application. Therefore, although the present application has been described in connection with specific embodiments thereof, the present application is not to be limited to the specific embodiments. Rather, it is intended to cover all alternatives, modifications and equivalents as can be included within the scope of the application as defined by the following claims.

Claims

1. A pressure maintaining device, characterized by, The holding assembly, the pressure maintaining assembly and the prompting assembly are connected with each other. The pressure maintaining assembly is connected with the holding assembly. The pressure maintaining assembly is used for maintaining the light bar, and the holding assembly is used for moving the pressure maintaining assembly. The prompting assembly is connected with the holding assembly and comprises a timing unit, a sensing element and a prompting element. The sensing element is used for sensing the distance between the light bar and the pressure maintaining assembly and sending a distance signal to the timing unit. The timing unit is used for recording the cooperation time of the light bar and the pressure maintaining assembly and sending a pressure maintaining signal and a pressure maintaining completion signal to the prompting element. The prompting element is used for prompting the pressure maintaining assembly to be in a pressure maintaining process state and a pressure maintaining completion state.

2. The pressure maintenance device of claim 1, wherein The pressure maintaining assembly comprises a back plate.

3. The pressure maintenance device of claim 2, wherein, The first side of the back plate is fixedly connected with the holding assembly, and the second side of the back plate is provided with a pressing strip. The pressing strip is provided with a groove for accommodating the lamp beads of the light bar. The holding assembly comprises a mounting plate and a handle.

4. The pressure maintaining device according to claim 3, wherein The first side of the mounting plate is fixedly connected with the first side of the back plate, and the second side of the mounting plate is provided with a mounting hole for mounting the handle.

5. The pressure maintaining device of claim 2, wherein The handle comprises two handles which are fixedly connected with the second side of the mounting plate.

6. The pressure maintaining device of claim 3, wherein The second side of the mounting plate is provided with a plurality of protrusions which extend away from the back plate.

7. The pressure maintaining device according to claim 3, wherein The pressure maintaining assembly further comprises a limiting element which is fixedly connected with the back plate and extends away from the holding assembly. The sensing element is a photoelectric sensor which is used for sensing the distance between the light bar and the mounting plate and sending a distance signal. The prompting element comprises a connecting portion and a prompting lamp. The connecting portion is used for connecting the prompting lamp with the mounting plate. The prompting lamp is electrically connected with the timing unit. When the sensing element senses that the distance between the light bar and the pressure maintaining assembly is a first distance, the sensing element sends a distance signal to the timing unit, the timing unit sends a pressure maintaining signal to the prompting element, and the prompting lamp is in a first state.

8. The pressure maintaining device of claim 5, wherein When the sensing element senses that the distance between the light bar and the pressure maintaining assembly is a second distance, the sensing element does not send a distance signal, the timing unit does not send a pressure maintaining signal, and the prompting lamp is in a second state.

9. The pressure maintaining device of claim 5, wherein The first state is one of lighting and extinguishing, and the second state is the other of lighting and extinguishing.

10. The pressure maintenance device of claim 2, wherein, The back plate is rectangular, and at least one of the two sides of the back plate is provided with one limiting element. The limiting element is rectangular or L-shaped. The pressing strip is detachably connected with the back plate.

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