High-speed signal acquisition board card

Abstract

The utility model discloses a high-speed signal acquisition board card, and specifically relates to the technical field of acquisition board cards, the high-speed signal acquisition board card comprises a housing and an acquisition board card body arranged in the housing so as to acquire and upload signals, the middle part of the outer top surface of the housing is fixedly provided with an air outlet pipe, and the middle part of the outer bottom surface of the housing is fixedly provided with an air inlet pipe; and a cooling fan is fixedly mounted in the air outlet pipe. According to the high-speed signal acquisition board card provided by the utility model, during actual work, when a cooling fan operates, flowing air jacks up the sealing plate, so that heat in the shell can be dissipated through a gap between the jacked sealing plate and the air outlet pipe, and when external air enters the shell through the air inlet pipe, the heat in the shell can be dissipated through the gap between the jacked sealing plate and the air outlet pipe. Air enters the shell through the intervals between the moisture absorption cotton blocks which are arranged in a staggered mode, the moisture absorption cotton blocks can absorb moisture in the air, and therefore the moisture in the air can be treated conveniently, and the situation that external moisture enters the shell along with the air, and operation of the collection board card is affected can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of acquisition board card, especially a kind of high-speed signal acquisition board card. BACKGROUND

[0002] In modern industry and science and technology field, the accurate collection and analysis of various signals are very important, and PWM signal, as a common control signal, plays an important role in many fields and is widely used in signal acquisition test in the fields of automobile sensor, motor control, light control, power management, audio signal processing, industrial automation, etc. Nowadays, it is generally collected by signal acquisition board card.

[0003] Through retrieval, for example, the utility model with announcement number CN216565915U discloses a kind of high-speed signal acquisition board card, including U-shaped shell, the bottom of the U-shaped shell both sides are fixedly connected with two installation chassis, the both sides of the inner cavity of the U-shaped shell are fixedly connected with support strip, the inner cavity of the U-shaped shell is slidably connected with the signal acquisition board card case that support strip top is in close contact, the utility model is set up by fan, can be for signal acquisition board card case play the role of heat dissipation, but fan operates, air will flow, and then when the moisture in external air is more, the moisture in air will enter the inside of shell with the air that flows, when the moisture in the inside of shell is accumulated to certain degree, the operation of signal acquisition board card will be affected, and the utility model is not convenient for the moisture in air to be handled, therefore, in order to solve above defect, the present application provides a kind of high-speed signal acquisition board card. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of high-speed signal acquisition board card, which can effectively solve the problem of signal acquisition board card not being convenient for processing the moisture in air in the prior art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of high-speed signal acquisition board card, including shell and the acquisition board card body of being arranged in the inside of shell, to collect and upload signal, the outer top surface middle part of the shell is fixedly installed with outlet pipe, and the outer bottom surface middle part of the shell is fixedly installed with inlet pipe, the inside of the outlet pipe is fixedly installed with heat dissipation fan, the outer surface both sides of the outlet pipe are fixedly installed with movable sleeve, and the inside of two movable sleeves is slidably connected with connecting rod, the end of two connecting rods extending to the outside of movable sleeve is fixedly installed with sealing plate, and the end of two connecting rods located in the inside of movable sleeve is fixedly installed with baffle.

[0007] Preferably, the inner top surface and the inner bottom surface of the air inlet pipe are pasted with a plurality of moisture absorption cotton blocks, and the plurality of moisture absorption cotton blocks are staggered arranged, and a dust cover is arranged on one side of the outer surface of the air inlet pipe.

[0008] Preferably, the outer surface of the dust cover is fixedly provided with two telescopic sleeves on both sides, and the inner opposite sides of the two telescopic sleeves are fixedly provided with springs, and the opposite ends of the two springs are fixedly provided with fixed heads, and the ends of the two fixed heads located on the springs are fixedly provided with movable rods, and a part of the two movable rods is arranged in the telescopic sleeve, and the other part of the two movable rods is arranged outside the telescopic sleeve.

[0009] Preferably, the ends of the two movable rods located outside the telescopic sleeve are fixedly provided with handles, and the outer surface of the air inlet pipe is provided with two fixed holes on both sides of the air inlet, and the sizes of the two fixed holes are same as the sizes of the two fixed heads.

[0010] Preferably, the inner top surface and the inner bottom surface of the shell are fixedly provided with two rubber blocks, and the collecting plate card body is arranged between the four rubber blocks, the outer surface of the shell is threadedly connected with two threaded rods on both sides, and the ends of the two threaded rods located in the shell are rotatably connected with fixed plates, the left and right sides of the inside of the shell are fixedly provided with two telescopic rods, and the four telescopic rods are fixedly connected with the two fixed plates.

[0011] Preferably, the opposite sides of the two fixed plates are pasted with rubber pads.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a high -speed signal collecting plate card through setting up air inlet pipe and air outlet pipe, in actual work, flowing air will lift the sealing plate when the heat dissipation fan operates, and then the heat in the shell can be scattered through the interval between the lifted sealing plate and air outlet pipe, and when the external air enters the shell through the air inlet pipe, can enter the shell through the interval between the staggered moisture absorption cotton block, and the moisture absorption cotton block can adsorb the moisture in the air, thereby being convenient for handling the moisture in the air, and can avoid that the external moisture enters the shell along with the air and influences the operation of the collecting plate card. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the air outlet pipe cross section structure schematic diagram of the utility model;

[0016] Figure 3The utility model discloses an air inlet pipe sectional structure schematic view.

[0017] Figure 4 The utility model discloses a dust cover structure schematic view.

[0018] Figure 5 The utility model discloses a shell sectional structure schematic view.

[0019] In the drawing: 1, shell, 2, air inlet pipe, 3, air outlet pipe, 4, collection board card body, 301, cooling fan, 302, movable sleeve, 303, connecting rod, 304, sealing plate, 305, baffle, 201, moisture absorbing cotton block, 202, telescopic sleeve, 203, spring, 204, movable rod, 205, fixed head, 206, dust cover, 207, fixed hole, 101, rubber block, 102, threaded rod, 103, telescopic rod, 104, fixed plate. DETAILED DESCRIPTION

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] The utility model discloses a kind of high-speed signal collection board cards, as shown in Figures 1-5 It includes shell 1 and the collection board card body 4 in shell 1 inside, to carry out collection and upload to signal, the outer top surface middle part of shell 1 is fixedly installed with air outlet pipe 3, and the heat in shell 1 inside can be discharged through air outlet pipe 3.

[0022] And the outer bottom surface middle part of shell 1 is fixedly installed with air inlet pipe 2, and external air can enter shell 1 inside through air inlet pipe 2, so that the air in shell 1 inside can flow.

[0023] Air outlet pipe 3 is fixedly installed with cooling fan 301 in the inside, and the outer surface both sides of air outlet pipe 3 are fixedly installed with movable sleeve 302, and the inside of two movable sleeves 302 is slidably connected with connecting rod 303, and the end of two connecting rods 303 extending to movable sleeve 302 outside is fixedly installed with sealing plate 304 in common, and sealing plate 304 and connecting rod 303 are made of existing lightweight material, when cooling fan 301 operates, flowing air will push sealing plate 304 and two connecting rods 303 to rise, at this time, sealing plate 304 and air outlet pipe 3 opening will generate certain interval, and heat can be dispersed through interval.

[0024] And the end of two connecting rods 303 located in the inside of movable sleeve 302 is fixedly installed with baffle 305, and baffle 305 can avoid connecting rod 303 from falling off from the inside of movable sleeve 302.

[0025] The inner top surface of the air inlet pipe 2 and the inner bottom surface of the air inlet pipe 2 are pasted with a plurality of moisture-absorbing cotton blocks 201, and the plurality of moisture-absorbing cotton blocks 201 are staggered, when the external air enters the air inlet pipe 2, it will flow in the interval between the plurality of moisture-absorbing cotton blocks 201, so as to prolong the time of the air in the air inlet pipe 2, and the plurality of moisture-absorbing cotton blocks 201 can absorb the moisture in the air to avoid the moisture entering the shell 1 together with the air, and the side of the air inlet pipe 2 outer surface located at the air inlet is sleeved with a dust cover 206, and the dust cover 206 can filter the impurities in the air.

[0026] The outer surface of the dust cover 206 is fixedly installed with two telescopic sleeves 202 on both sides, and the opposite side of the two telescopic sleeves 202 is fixedly installed with a spring 203, and the opposite end of the two springs 203 is fixedly installed with a fixed head 205, when the fixed head 205 moves to the side of the spring 203, the spring 203 is pressed, and the fixed head 205 moves to the inside of the telescopic sleeve 202.

[0027] The end of the two fixed heads 205 located on the spring 203 is fixedly installed with an activity rod 204, and a part of the two activity rods 204 is located in the inside of the two telescopic sleeves 202, and the other part of the two activity rods 204 is located outside the two telescopic sleeves 202.

[0028] The end of the two activity rods 204 located outside the telescopic sleeve 202 is fixedly installed with a handle, the outer surface of the air inlet pipe 2 located at the air inlet is provided with a fixed hole 207 on both sides, and the size of the two fixed holes 207 is the same as the size of the two fixed heads 205, pulling the activity rod 204 to the outside of the two telescopic sleeves 202, the two fixed heads 205 move to the inside of the two telescopic sleeves 202, so as to press the two springs 203, then the dust cover 206 is sleeved on the opening of the air inlet pipe 2, and the two activity rods 204 are loosened, the spring 203 is pressed, the fixed head 205 is reset, and the fixed head 205 is inserted into the fixed hole 207.

[0029] The inner top surface of the shell 1 and the inner bottom surface of the shell 1 are fixedly installed with two rubber blocks 101, and the collecting plate card body 4 is located between the four rubber blocks 101, the outer surface of the shell 1 is screw-connected with a threaded rod 102 on the left and right sides, and the end of the two threaded rods 102 located inside the shell 1 is rotatably connected with a fixed plate 104, the left and right sides of the inside of the shell 1 are fixedly installed with two telescopic rods 103, and the four telescopic rods 103 are fixedly connected with the two fixed plates 104, rotating the threaded rod 102 can drive the fixed plate 104 to move, when the fixed plate 104 moves, the telescopic rod 103 is driven to stretch and contract, when the two fixed plates 104 approach each other, the collecting plate card body 4 can be clamped and fixed.

[0030] The opposite side of the two fixing plates 104 is pasted with rubber pads, which can avoid the direct contact between the two fixing plates 104 and the collecting plate body 4, so as to flexibly clamp the collecting plate body.

[0031] The working principle of the utility model is as follows: the heat dissipation fan 301 operates, the flowing air pushes the sealing plate 304 and the two connecting rods 303 to rise, the heat in the shell 1 is dissipated through the interval between the sealing plate 304 and the air outlet pipe 3, with the operation of the heat dissipation fan 301, the external air enters the shell 1 through the air inlet pipe 2, the air in the shell 1 flows, the dust cover can filter the external air, the filtered air enters the air inlet pipe 2, the air flows in the interval of the plurality of staggered arrangement moisture absorbing cotton blocks 201, and the moisture absorbing cotton blocks 201 can absorb the moisture in the air to avoid the moisture entering the shell 1 with the air.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by the person skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-speed signal acquisition board, comprising a housing (1) and an acquisition board body (4) disposed inside the housing (1), for acquiring and uploading signals, characterized in that: An air outlet pipe (3) is fixedly installed in the middle of the outer top surface of the housing (1), and an air inlet pipe (2) is fixedly installed in the middle of the outer bottom surface of the housing (1). A cooling fan (301) is fixedly installed inside the air outlet pipe (3). Movable sleeves (302) are fixedly installed on both sides of the outer surface of the air outlet pipe (3). A connecting rod (303) is slidably connected inside the two movable sleeves (302). A sealing plate (304) is fixedly installed at one end of the two connecting rods (303) extending to the outside of the movable sleeves (302). A baffle (305) is fixedly installed at one end of the two connecting rods (303) inside the movable sleeves (302).

2. The high-speed signal acquisition board according to claim 1, characterized in that: Multiple absorbent cotton blocks (201) are attached to the inner top surface and the inner bottom surface of the air inlet pipe (2), and the multiple absorbent cotton blocks (201) are arranged in an alternating manner. A dust cover (206) is fitted on the outer surface of the air inlet pipe (2) on one side at the air inlet.

3. A high-speed signal acquisition board according to claim 2, characterized in that: Telescopic sleeves (202) are fixedly installed on both sides of the outer surface of the dust cover (206), and springs (203) are fixedly installed on opposite sides inside the two telescopic sleeves (202). Fixing heads (205) are fixedly installed on opposite ends of the two springs (203). Movable rods (204) are fixedly installed on the two fixing heads (205) at the ends of the springs (203). Parts of the two movable rods (204) are located inside the two telescopic sleeves (202), and the other parts of the two movable rods (204) are located outside the two telescopic sleeves (202).

4. A high-speed signal acquisition board according to claim 3, characterized in that: Each of the two movable rods (204) has a handle fixedly installed at one end outside the telescopic sleeve (202). The outer surface of the air inlet pipe (2) has fixing holes (207) on both sides at the air inlet, and the size of the two fixing holes (207) is the same as the size of the two fixing heads (205).

5. A high-speed signal acquisition board according to claim 1, characterized in that: Two rubber blocks (101) are fixedly installed on the inner top surface and the inner bottom surface of the housing (1), and the acquisition board body (4) is located between the four rubber blocks (101). Threaded rods (102) are threadedly connected to the left and right sides of the outer surface of the housing (1), and a fixing plate (104) is rotatably connected to one end of each of the two threaded rods (102) inside the housing (1). Two telescopic rods (103) are fixedly installed on the left and right sides inside the housing (1), and the four telescopic rods (103) are fixedly connected to the two fixing plates (104) respectively.

6. A high-speed signal acquisition board according to claim 5, characterized in that: Rubber pads are attached to the opposite sides of both of the fixing plates (104).

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