CN209657029U - A kind of display screen test lamp box with heat sinking function - Google Patents

Abstract

The utility model discloses a kind of, and the display screen with heat sinking function tests lamp box, including cabinet and lamp plate, lamp bead is provided on lamp plate, the front that lamp bead is distributed in cabinet and with cabinet is corresponding, blower fan and exhaust fan are provided on cabinet, blower fan is used for the air draught in cabinet, and exhaust fan is used for toward the outer air draft of cabinet.The utility model is capable of forming box house and its external air circulation flow by setting blower fan and exhaust fan, in time, it is effectively discharged out the hot-air of box house, cooling and cooling effect is good, it prevents from causing case body temperature excessively high due to use for a long time, improve the service life of associated components in cabinet, to reach preferably test effect, the stability and reliability of equipment are improved.

Description

A kind of display screen test lamp box with heat sinking function

Technical field

The utility model relates to lighting technical fields more particularly to a kind of display screen with heat sinking function to test lamp box.

Background technique

With science and technology and economic fast development, the living standard of the people is continuously improved, it is each in the product with display screen Role is also more and more important in national economy production and people's social life, especially liquid crystal display, these productions Product become more diversified and universalness, and in order to improve the versatility and cost performance of product, product in process of production, is needed to display The optical characteristics of screen is detected, and when detecting, replaces the backlight module in product, test usually using the test lamp box to shine Lamp box is also referred to as backlight, tests in lamp box and generallys use LED light source as light emitting source, light emitting source can generate certain heat when working Amount, and current test lamp box becomes greatly, and the requirement of surface brightness value is higher and higher, and this requires the power of light emitting source is more next Higher, the heat of generation is also more.

But current some display screens test lamp box, certain defect as present on its design, so heat dissipation effect Fruit is poor, for a long time using be easy to causeing lamp box medium temperature to spend height, reduces the service life of light emitting source, to influence equipment test effect Fruit, reliability are poor.

Utility model content

The utility model proposes a kind of with heat sinking function for problem existing for above-mentioned existing display screen test lamp box Display screen tests lamp box.

In order to solve the above-mentioned technical problem, the utility model proposes following technical solutions:

A kind of display screen with heat sinking function tests lamp box, including cabinet and lamp plate, is provided with lamp bead, lamp bead on lamp plate The front being distributed in cabinet and with cabinet is corresponding, and blower fan and exhaust fan are provided on cabinet, and blower fan is used for toward cabinet Interior air draught, exhaust fan are used for toward the outer air draft of cabinet.

The beneficial effects of the utility model are: in use, the intracorporal lamp plate of case and lamp bead generate heat when working, The intracorporal hot-air of case is discharged by the exhaust fan on cabinet, while the blower fan on cabinet inhales external relatively cold air In cartonning body, to form box house and its external air circulation flow, in time, it is effectively discharged out the hot empty of box house Gas, cooling and cooling effect is good, prevents from causing case body temperature excessively high due to use for a long time, improves associated components in cabinet Service life improves the stability and reliability of equipment to reach preferably test effect.

In some embodiments, the sky for disposing blower fan and exhaust fan is formed between lamp plate and the bottom surface of cabinet Between.

In some embodiments, the first ventilation gap, the inside of cabinet are formed between the inner sidewall and lamp plate of cabinet The mounting blocks matched respectively with the both ends of lamp plate are provided on wall.

In some embodiments, the intracorporal two sides of case are formed by first partition for disposing blower fan and air draft respectively First groove body of fan, lamp plate are located between two first partitions.

In some embodiments, blower fan is placed in first groove body, and exhaust fan is placed in another the first slot In body.

In some embodiments, first matched respectively with the both ends of first partition is provided on the inner sidewall of cabinet Locating slot.

In some embodiments, the intracorporal side of case is formed by second partition for disposing blower fan and exhaust fan Second groove body.

In some embodiments, the second groove body forms two of placement blower fan respectively and exhaust fan by third partition Part.

In some embodiments, second matched respectively with the both ends of second partition is provided on the inner sidewall of cabinet Locating slot is respectively arranged on the inner sidewall of cabinet and on second partition the third positioning matched with the both ends of third partition Slot.

In some embodiments, the front of cabinet is provided with light penetrating panel.

It is all to be not specifically noted in addition, in technical solutions of the utility model, it can be by using normal in this field Rule means realize the technical program.

Detailed description of the invention

Fig. 1 is the cross-sectional view of the utility model blower fan and exhaust fan in the test lamp box of the bottom of box.

Fig. 2 is the partial enlarged view in the utility model Fig. 1 at A.

Fig. 3 is the bottom view of the utility model blower fan and exhaust fan in the test lamp box of the bottom of box.

Fig. 4 is the vertical view that the test lamp box of the utility model blower fan and exhaust fan in cabinet two sides removes light penetrating panel Figure.

Fig. 5 is the cross-sectional view of the utility model blower fan and exhaust fan in the test lamp box of cabinet two sides.

Fig. 6 is the partial enlarged view in the utility model Fig. 5 at B.

Fig. 7 is the vertical view that the test lamp box of the utility model blower fan and exhaust fan in cabinet side removes light penetrating panel Figure.

Fig. 8 is partial sectional view of the utility model first partition at the first locating slot.

Fig. 9 be the utility model lamp plate two sides both ends 1/4 at and supply lines connection schematic diagram.

Figure 10 is the both ends two sides of the utility model lamp plate and the connection schematic diagram of supply lines.

Figure 11 is the both ends middle position of the utility model lamp plate and the connection schematic diagram of supply lines.

Numbering in the drawing explanation, cabinet 1, first partition 11, positioning groove 111, the first groove body 12, second partition 13, the Two groove bodies 14, third partition 15, locating slot 16, the first ventilation gap 17, the second ventilation gap 18, the 4th partition 19, mounting blocks 101, the first locating slot 102, the second locating slot 103, third locating slot 104, bulb plunger 105, supporting element 106 mentions Hand 107, aviation plug 108, lamp plate 2, lamp bead 21, the first positive and negative anodes pad 22, pressure drop route 23, the second positive and negative anodes pad 24, blower fan 3, exhaust fan 4, space 5, light penetrating panel 6, equal optic panel 61, light-transmitting support panel 62, supply lines 7, reflective layer 8.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this Utility model is not used to limit the utility model.Furthermore it should be noted that term " top ", " upper end ", " lower end ", " bottom The orientation or positional relationship of the instructions such as portion ", "inner", " outside ", " side " is to be based on the orientation or positional relationship shown in the drawings, only It is the utility model and simplified description for ease of description, rather than the element of indication or suggestion meaning must have specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention, term " first ", " the Two " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

Embodiment:

A kind of display screen test lamp box with heat sinking function, as shown in Fig. 1~11, including cabinet 1 and lamp plate 2, according to The specific size size of cabinet 1, lamp plate 2 can be one, two or more, be provided with lamp bead 21 on lamp plate 2, lamp bead 21 is logical Often it is multiple and uses LED lamp bead 21, the front that whole lamp beads 21 are usually uniformly distributed in cabinet 1 and with cabinet 1 is corresponding, Blower fan 3 and exhaust fan 4 are provided on cabinet 1, blower fan 3 is used for the air draught in cabinet 1, and exhaust fan 4 is used for toward 1 outlet of cabinet Wind, according to the specific size size of cabinet 1, blower fan 3 and exhaust fan 4 can be one, two or more, 3 He of blower fan Any suitable position on cabinet 1 also can be set in exhaust fan 4.

The beneficial effects of the utility model are: in use, lamp plate 2 and lamp bead 21 in cabinet 1 generate when working The hot-air in cabinet 1 is discharged by exhaust fan 4 on cabinet 1 in heat, at the same the blower fan 3 on cabinet 1 by it is external relatively In cold air sucking cabinet 1, to form 1 inside of the cabinet air circulation flow external with it, in time, it is effectively discharged out case Hot-air inside body 1, cooling and cooling effect is good, prevents from causing in cabinet 1 that temperature is excessively high due to use for a long time, improves case The service life of associated components in body 1 improves the stability and reliability of equipment to reach preferably test effect.

In general, can form the section for placing blower fan 3 and exhaust fan 4 in cabinet 1 using partition, lamp plate 2 is usual It is conveniently laid out for rectangle in this way convenient for being preferably covered with entire cabinet 1.

Preferably, as shown in Figures 1 to 3, it is formed between lamp plate 2 and the bottom surface of cabinet 1 for disposing blower fan 3 and exhaust fan 4 space 5 is not only convenient for placement blower fan 3 and exhaust fan 4, stability and high reliablity, and lamp plate 2 and cabinet 1 in this way For underrun installation space 5 without directly contacting, cooling and cooling effect is more preferable.

Preferably, as shown in Fig. 2, being formed with the first ventilation gap 17 between the inner sidewall of cabinet 1 and lamp plate 2, pass through One ventilation gap 17 is convenient for air circulation under the action of blower fan 3 and exhaust fan 4, and cooling and cooling effect is more preferable, cabinet 1 Inner sidewall on be provided with the mounting blocks 101 matched respectively with the both ends of lamp plate 2, mounting blocks 101 are usually to be intervally arranged Multiple, lamp plate 2 can be fixedly connected using modes such as screws with mounting blocks 101, easy to operate.

Preferably, as shown in Figure 1 and Figure 2, lamp plate 2 can also be first integrally attached on the 4th partition 19, then by the 4th partition 19 are fixedly connected with mounting blocks 101, and operation is more convenient, and the 4th partition 19 also has the work of support and protection to lamp plate 2 With more stable, reliable.

Preferably, as shown in Figure 1, the supporting element matched with lamp plate 2 or the 4th partition 19 can also be arranged in space 5 106, the quantity of supporting element 106 as the case may be depending on, this spline structure is more firm, stability and better reliability.Into one Step ground, supporting element 106 can select C-type steel or c-type sheet metal component etc., not only easily facilitate support lamp plate 2 or the 4th partition in this way 19, and the groove body of supporting element 106 itself is also convenient for receiving lamp plate 2 and is connected with external power source supply lines 7, it is more stable, can It leans on.

Preferably, as shown in figures 4-6, the two sides in cabinet 1 pass through first partition 11 respectively and are formed for disposing blower fan 3 and exhaust fan 4 the first groove body 12, lamp plate 2 is located between two first partitions 11, and lamp plate 2 is usually fixed by screws in case On bottom surface in body 1, operate so more convenient, the placement of blower fan 3, exhaust fan 4 and lamp plate 2 is more stable, reliable, cooling Heat dissipation effect is more preferable.

Preferably, as shown in Figure 4, Figure 5, blower fan 3 is placed in first groove body 12, and exhaust fan 4 is placed in another In a first groove body 12, when in use, 4 air draft of exhaust fan of 1 side of cabinet, while 3 air draught of blower fan of 1 other side of cabinet, To reach preferably cooling and cooling effect.

Preferably, as shown in figures 4-6, it is provided on the inner sidewall of cabinet 1 and is matched respectively with the both ends of first partition 11 The first locating slot 102, be placed in cabinet 1 by two the first locating slots 102 convenient for first partition 11, operation is more It is convenient, connect more firm, stability and better reliability.

Preferably, as shown in fig. 7, the side in cabinet 1 is formed by second partition 13 for disposing blower fan 3 and air draft Second groove body 14 of fan 4, lamp plate 2 are usually fixed by screws on the bottom surface in cabinet 1, lamp plate 2 and blower fan 3 and exhaust fan 4 are located at the two sides of second partition 13, this spline structure is simpler, and operation is more convenient, and cooling and cooling effect is more preferable.

Preferably, as shown in fig. 7, the second groove body 14 is formed by third partition 15 disposes blower fan 3 and exhaust fan 4 respectively Two parts, easily facilitate the placement of blower fan 3 and exhaust fan 4 in this way, operate it is more convenient, it is safer and more reliable.

Preferably, it is respectively matched with the both ends of second partition 13 as shown in fig. 7, being provided on the inner sidewall of cabinet 1 Second locating slot 103, is respectively arranged on the inner sidewall of cabinet 1 and on second partition 13 and the both ends of third partition 15 match The third locating slot 104 of conjunction is convenient for second partition 13 and third by the second locating slot 103 and third locating slot 104 The placement of partition 15 operates more convenient, connection more firm, stability and better reliability.

Preferably, as shown in figure 8, being provided with the bulb plunger matched with first partition 11 in the first locating slot 102 105, the quantity of bulb plunger 105 according to the actual situation depending on, bulb plunger 105 generallys use screw-type, in this way operation letter Just, it is easily installed, the inside of bulb plunger 105 is equipped with spring and is located at the lower section of sphere, and sphere can use stainless steel, Buddhist nun Dragon, acetal resin or phenolic resin etc..In use, first partition 11 is inserted into the first locating slot 102, bulb Spring inside the sphere compression of plunger 105, so that the sphere of bulb plunger 105 has certain pressure to first partition 11, To keep first partition 11 more firm in the first locating slot 102.Further, it is provided in first partition 11 and bulb The positioning groove 111 that plunger 105 matches, it is more stable in this way, reliable.In addition, bulb plunger 105 and positioning groove 111 Mode can be used for cooperation and third partition 15 and the third locating slot 104 of second partition 13 and the second locating slot 103 Cooperation.

Preferably, the front of cabinet 1 is provided with light penetrating panel 6, and light penetrating panel 6 both can guarantee that light was accurately passed through, and And it is also convenient for preferably supporting product to be tested.In addition, the top of first partition 11 or second partition 13 respectively with transparent surface The second ventilation gap 18 is formed between the bottom surface of plate 6, is convenient for air circulation under the action of blower fan 3 and exhaust fan 4, it is cold But heat dissipation effect is more preferable.

Preferably, the front of cabinet 1 is provided with the locating slot 16 to match with light penetrating panel 6, and light penetrating panel 6 passes through positioning Slot 16 position and be fixedly connected with cabinet 1, and it is more firm to connect, and stability is more preferable.

Preferably, the lower surface of light penetrating panel 6 is provided with equal optic panel 61, and equal optic panel 61 mainly by scattering or is overflow Reflex equably exhales the light of lamp bead 21, to reach better brightness effect, improves the test essence of equipment Degree and test effect.

Preferably, the lower surface of equal optic panel 61 is provided with light-transmitting support panel 62, and light-transmitting support panel 62 both can guarantee Light is accurately passed through, and can play protection and supporting role to equal optic panel 61, improves the stability and reliability of equipment, To improve the test effect and service life of equipment.

Preferably, reflective layer 8 is provided on the inner sidewall of cabinet 1, first partition 11 or second partition 13 are close to lamp plate 2 It is also equipped with reflective layer 8 on one side, such lamp plate 2 is located in the region that reflective layer 8 surrounds, thus reach better brightness effect, Improve the measuring accuracy and test effect of equipment.Preferably, reflective layer 8 is reflective membrane or reflecting coating etc., is operated more square Just, effect is more preferable.

Preferably, it is provided with handle 107 on cabinet 1, by the lamp box easy to remove of handle 107, and facilitated this Lamp box is hung.

Preferably, it is provided on cabinet 1 and is connected with external power source aviation plug 108, be somebody's turn to do by aviation plug 108 Lamp box is connected with external power supply, easy to operate, safe and reliable.External power supply preferably powerful power supply leads on external power supply It is standing to have dim signal input terminal and voltage input end, by dim signal input terminal, the size of adjustable output voltage, from And adjust the brightness of lamp bead 21 on lamp plate 2.

It is preferably, above-mentioned for disposing space 5, the first groove body 12 or the second groove body 14 of blower fan 3 and exhaust fan 4, It can be used for collecting lamp plate 2 and be connected with external power source supply lines 7, operation is more convenient, and the arrangement of supply lines 7 is clean and tidy, orderly, just In installation, maintenance, so that the equipment be enable preferably to be tested, the safety and reliability of equipment is improved.

Preferably, every for lamp plate 2 be connected with external power source supply lines 7 length it is all the same because for each For supply lines 7, if length is longer, the loss of voltage is with regard to increasing, in cabinet 1, the company of supply lines 7 and lamp plate 2 Connect position usually and have far have it is close, so any one is all provided with for connecting the supply lines 7 of lamp plate 2 and external power supply and is set to identical length Degree, i.e., all supply lines 7, which are all provided with, is set to extreme length, for disposing space 5, the first groove body 12 of blower fan 3 and exhaust fan 4 Or second groove body 14 be also convenient for collection supply lines 7, it is identical for ensuring that the loss of voltage on each supply lines 7 so all , thus the input voltage being finally allocated on each piece of lamp plate 2 be all it is essentially identical, thus the lamp on each piece of lamp plate 2 The brightness of pearl 21 be all it is essentially identical, such overall brightness or luminance are more uniform, improve the visual effect and survey of equipment Accuracy is tried, can be suitable for requiring the higher link for repairing liquid crystal mura (hot spot).

Preferably, as shown in figure 9, being respectively arranged with the first positive and negative anodes pad at the two sides both ends a quarter of lamp plate 2 22, the first positive and negative anodes pad 22 can make each lamp bead 21 to the first on lamp plate 2 for being connected with supply lines 7 in this way The distance of positive and negative anodes pad 22 is substantially identical, and the input voltage of each lamp bead 21 also can be almost the same, so each The luminous flux that lamp bead 21 is discharged can reach unanimously, to keep overall brightness or luminance more uniform.

Preferably, as shown in Figure 10, Figure 11, pressure drop route 23, the both ends two sides of lamp plate 2 or both ends are provided on lamp plate 2 Middle position is respectively arranged with the second positive and negative anodes pad 24, and the second positive and negative anodes pad 24 with supply lines 7 for being connected.In In use process, external power supply passes through supply lines 7 from the both ends two sides of lamp plate 2 or both ends middle position into electricity, and passes through lamp plate 2 On pressure drop route 23 regulate and control lamp bead 21 between small voltage successively decrease, i.e., the voltage from both ends to middle part gradually successively decreases, and prevents from producing Raw 2 middle section of lamp plate is brighter since light filling is sufficient, to keep overall brightness or luminance more uniform.

In addition it is also possible to replace above-mentioned lamp plate 2 using a certain number of lamp bars, lamp bar operates, is easy to adjust, convenient for being applicable in Lamp box is tested in the display screen of various sizes size, can preferably be covered with entire cabinet 1, conveniently be laid out, and lamp bar On be additionally provided with the diffusing reflection lens matched with lamp bead 21, so as to make light by diffusing reflection or scattering equably dissipate It goes out, reaches good brightness effect.

Above-described is only some embodiments of the utility model, it should be appreciated that the common skill of this field For art personnel, without departing from the concept of the present invention, it can also be improved according to the above description or be handed over It changes, and all these improvement and exchange all should belong to the protection scope of the appended claims for the utility model.In this case, All details can be replaced with equivalent elements, and material and shape and size are also possible to arbitrarily.

Claims (10)

1. a kind of display screen with heat sinking function tests lamp box, which is characterized in that including cabinet (1) and lamp plate (2), the lamp It is provided on plate (2) lamp bead (21), the lamp bead (21) is distributed in the cabinet (1) and the positive phase with the cabinet (1) It is corresponding, blower fan (3) and exhaust fan (4) are provided on the cabinet (1), the blower fan (3) is used in the cabinet (1) Air draught, the exhaust fan (4) are used for toward the cabinet (1) outer air draft.

2. a kind of display screen with heat sinking function according to claim 1 tests lamp box, which is characterized in that the lamp plate (2) space (5) for disposing the blower fan (3) and the exhaust fan (4) is formed between the bottom surface of the cabinet (1).

3. a kind of display screen with heat sinking function according to claim 2 tests lamp box, which is characterized in that the cabinet (1) it is formed with the first ventilation gap (17) between inner sidewall and the lamp plate (2), is arranged on the inner sidewall of the cabinet (1) There are the mounting blocks (101) matched respectively with the both ends of the lamp plate (2).

4. a kind of display screen with heat sinking function according to claim 1 tests lamp box, which is characterized in that the cabinet (1) two sides in pass through respectively first partition (11) formed for disposing the blower fan (3) and the exhaust fan (4) first Groove body (12), the lamp plate (2) are located between two first partitions (11).

5. a kind of display screen with heat sinking function according to claim 4 tests lamp box, which is characterized in that the air draught Fan (3) is placed in first groove body (12), and the exhaust fan (4) is placed in another first groove body (12) In.

6. a kind of display screen with heat sinking function according to claim 4 tests lamp box, which is characterized in that the cabinet (1) the first locating slot (102) matched respectively with the both ends of the first partition (11) is provided on inner sidewall.

7. a kind of display screen with heat sinking function according to claim 1 tests lamp box, which is characterized in that the cabinet (1) side in forms the second groove body for disposing the blower fan (3) and the exhaust fan (4) by second partition (13) (14)。

8. a kind of display screen with heat sinking function according to claim 7 tests lamp box, which is characterized in that described second Groove body (14) forms two parts for disposing the blower fan (3) and the exhaust fan (4) respectively by third partition (15).

9. a kind of display screen with heat sinking function according to claim 8 tests lamp box, which is characterized in that the cabinet (1) the second locating slot (103) matched respectively with the both ends of the second partition (13) is provided on inner sidewall, it is described It is respectively arranged on the inner sidewall of cabinet (1) and on the second partition (13) and is matched with the both ends of the third partition (15) Third locating slot (104).

10. lamp box is tested to a kind of display screen with heat sinking function described in any claim in 9 according to claim 1, It is characterized in that, the front of the cabinet (1) is provided with light penetrating panel (6).