Explosion-proof atmosphere sampling device

Abstract

The utility model relates to the technical field of sampling devices, in particular to an anti-explosion atmosphere sampling device which comprises a base, a mounting shell, a sampling head, a blowing assembly and a positioning assembly. The positioning assembly comprises a fixing support, a lifting sliding block, a lifting rotating rod, a positioning motor, a connecting component and a supporting component, the fixing support is fixedly connected with the base, the lifting sliding block is fixedly connected with the mounting shell and is in sliding connection with the fixing support, and the lifting rotating rod is rotationally connected with the fixing support and is in sliding connection with the lifting sliding block; the positioning motor is fixedly connected with the fixing support, the output end of the positioning motor is connected with the lifting rotating rod, the connecting component is connected with the base and the mounting shell, and the supporting component is arranged on the base.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to an explosion-proof atmospheric sampling device. Background Art

[0002] When the atmospheric sampler is working, high temperature will be generated inside it, so a heat dissipation device is needed to dissipate the heat inside. The current heat dissipation method has poor heat dissipation effect, and the dust inside is easily affected by high temperature, posing the risk of explosion.

[0003] Prior art CN214066651U discloses an explosion-proof atmospheric sampler, comprising a shell, a mounting plate, a hair dryer, a bracket, an electric motor, a fan blade, a circuit board, a heat conducting plate, a motor, a rotating plate, an air guide plate and an air collecting plate, wherein the outer wall of the heat conducting plate is provided with a ventilation hole, the surface of the heat conducting plate is provided with a heat conducting protrusion, an outer wall of one side of the shell is provided with an air outlet, and the top inner wall of the air outlet is provided with a groove, the motor can drive the rotating plate to rotate when it is working, so as to control the opening or closing of the air outlet, and can prevent dust from entering the shell when the device is not in use, and when the device is working, the air outlet is controlled to be opened, and the motor can drive the The fan blades rotate, and the rotation of the fan blades can drive the air flow in the shell. When the airflow passes through the air guide plate, it flows to the circuit board after being guided by the No. 1 air guide groove and the No. 2 air guide groove. Since the two air collecting plates are in an eight-shaped structure, the air collecting plates can blow the airflow to the processor on the circuit board for heat dissipation. The heat conducting plate can increase the effective contact area between the circuit board and the air, and the heat conducting protrusions can increase the contact area between the heat conducting plate and the air. The airflow can also flow through the ventilation holes, which improves the heat dissipation efficiency, thereby achieving a good heat dissipation effect, avoiding the risk of explosion of dust inside the shell due to high temperature, and improving the safety of the device during use.

[0004] However, the height of the sampling head of the sampler in the prior art is fixed, and the sampling height cannot be flexibly adjusted, resulting in inconvenience in sampling. Utility Model Content

[0005] The utility model aims to provide an explosion-proof atmospheric sampling device, which solves the technical problem that the height of the sampling head is fixed and the sampling height cannot be flexibly adjusted, resulting in inconvenience in sampling.

[0006] To achieve the above-mentioned purpose, the utility model provides an explosion-proof atmosphere sampling device, comprising a base, a mounting shell, a sampling head and a blowing assembly, wherein the mounting shell is located on one side of the base, the mounting shell has a heat dissipation slot, the heat dissipation slot is located on a side of the mounting shell close to the base and penetrates one side of the mounting shell, the sampling head is fixedly connected to the mounting shell and is located on a side of the mounting shell close to the base,

[0007] Also included is a positioning component;

[0008] The positioning assembly includes a fixed bracket, a lifting slider, a lifting rod, a positioning motor, a connecting member and a supporting member. The fixed bracket is fixedly connected to the base and is located on a side of the base close to the mounting shell. The lifting slider is fixedly connected to the mounting shell and is slidably connected to the fixed bracket and is located on a side of the mounting shell close to the fixed bracket. The lifting rod is rotatably connected to the fixed bracket and is slidably connected to the lifting slider and is located on a side of the fixed bracket close to the lifting slider. The positioning motor is fixedly connected to the fixed bracket and is located on a side of the fixed bracket close to the lifting rod. The output end of the positioning motor is connected to the lifting rod. The connecting member is respectively connected to the base and the mounting shell, and the supporting member is arranged on the base.

[0009] Among them, the connecting component includes a connecting bottom rod and a sliding top rod, the connecting bottom rod is fixedly connected to the base and is located on the side of the base close to the mounting shell; the sliding top rod is fixedly connected to the mounting shell and is slidably connected to the connecting bottom rod, and is located on one side of the mounting shell close to the connecting bottom rod.

[0010] Wherein, the supporting member includes a supporting foot and an anti-skid pad, the supporting foot is fixedly connected to the base and located at the bottom end of the base; the anti-skid pad is fixedly connected to the supporting foot and located at the bottom end of the supporting foot.

[0011] Wherein, the blowing assembly includes a blowing fan blade and a control component, the blowing fan blade is rotationally connected to the mounting shell through the control component and is located inside the mounting shell; the control component controls the rotation of the blowing fan blade.

[0012] Wherein, the control component includes a control motor and a control shaft, the control motor is fixedly connected to the mounting shell and is located on a side of the mounting shell close to the blowing fan blades; the control shaft is fixedly connected to the blowing fan blades and is connected to the output end of the control motor, and is located on a side of the blowing fan blades close to the control motor.

[0013] The utility model provides an explosion-proof atmospheric sampling device, which drives the lifting rod to rotate left and right through the operation of the positioning motor, thereby driving the lifting slider to slide up and down in the fixed bracket, and then the mounting shell and the sampling head are lifted up and down together, and further the sampling head can flexibly sample at different heights, thereby making sampling more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a cross-sectional view of the explosion-proof atmosphere sampling device of the first embodiment of the utility model.

[0016] Figure 2 It is a cross-sectional projection diagram of the explosion-proof atmosphere sampling device of the first embodiment of the utility model.

[0017] Figure 3 It is a cross-sectional view of an explosion-proof atmosphere sampling device according to a second embodiment of the present utility model.

[0018] Figure 4 It is a cross-sectional projection diagram of the explosion-proof atmosphere sampling device of the second embodiment of the utility model.

[0019] In the figure: 101-base, 102-mounting shell, 103 heat sink, 104-sampling head, 105-fixed bracket, 106-lifting slider, 107-lifting rotating rod, 108-positioning motor, 109-connecting bottom rod, 110-sliding top rod, 111-support foot, 112-anti-slip pad, 201-blowing fan blades, 202-control motor, 203-control shaft. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] The first embodiment of the present application is:

[0022] See also Figure 1 and Figure 2 ,in Figure 1 This is a cross-sectional view of the explosion-proof atmospheric sampling device of the first embodiment of the utility model. Figure 2It is a cross-sectional projection diagram of the explosion-proof atmospheric sampling device of the first embodiment of the utility model. The utility model provides an explosion-proof atmospheric sampling device: comprising a base 101, a mounting shell 102, a sampling head 104, a blowing assembly and a positioning assembly, wherein the mounting shell 102 has a heat dissipation slot 103, and the positioning assembly comprises a fixed bracket 105, a lifting slider 106, a lifting rotating rod 107, a positioning motor 108, a connecting member and a supporting member, wherein the connecting member comprises a connecting bottom rod 109 and a sliding top rod 110, and the supporting member comprises a supporting foot 111 and an anti-slip pad 112. The aforementioned scheme solves the problem of fixing the height of the sampling head. It can be understood that the aforementioned scheme can be used in the case of flexible sampling at different heights, and can also be used to solve the problem of poor heat dissipation.

[0023] According to this specific embodiment, the mounting shell 102 is located on one side of the base 101, the heat dissipation slot 103 is located on the side of the mounting shell 102 close to the base 101 and penetrates one side of the mounting shell 102, and the sampling head 104 is fixedly connected to the mounting shell 102 and is located on the side of the mounting shell 102 close to the base 101. The base 101 is a rectangular seat, the mounting shell 102 is a rectangular shell with a mounting cavity, the mounting shell 102 is arranged above the base 101, the heat dissipation slot 103 is located at the bottom of the mounting shell 102 and penetrates the mounting shell 102, the heat of the mounting shell 102 is discharged along the heat dissipation slot 103, and the sampling head 104 is a circular head, the sampling head 104 is fixedly arranged on the mounting shell 102, and performs atmospheric sampling.

[0024] Among them, the fixed bracket 105 is fixedly connected to the base 101 and is located on a side of the base 101 close to the mounting shell 102; the lifting slider 106 is fixedly connected to the mounting shell 102 and is slidably connected to the fixed bracket 105 and is located on a side of the mounting shell 102 close to the fixed bracket 105; the lifting rod 107 is rotatably connected to the fixed bracket 105 and is slidably connected to the lifting slider 106 and is located on a side of the fixed bracket 105 close to the lifting slider 106; the positioning motor 108 is fixedly connected to the fixed bracket 105 and is located on a side of the fixed bracket 105 close to the lifting rod 107; the output end of the positioning motor 108 is connected to the lifting rod 107; the connecting members are respectively connected to the base 101 and the mounting shell 102; and the supporting member is arranged on the base 101. The fixed bracket 105 is a rectangular frame with a lifting groove, and the fixed bracket 105 is fixedly arranged above the base 101. The lifting slider 106 is a rectangular block with a threaded through hole. The lifting slider 106 is fixedly connected to the mounting shell 102, and is slidably connected to the fixed bracket 105 through an internal roller, and is arranged in the lifting groove of the fixed bracket 105. The lifting rod 107 is a cylindrical rod with an external thread. The external thread of the lifting rod 107 is engaged with the threaded through hole of the lifting slider 106. The lifting rod 107 is rotatably connected to the fixed bracket 105 through a bearing, and passes through the lifting slider along the threaded through hole. The descending slide block 106 is vertically arranged in the lifting groove of the fixed bracket 105. The positioning motor 108 is a DC motor. The positioning motor 108 is fixedly arranged at the top of the fixed bracket 105. The output end of the positioning motor 108 is connected with the lifting rotating rod 107. Through the operation of the positioning motor 108, the lifting rotating rod 107 is driven to rotate left and right, thereby driving the lifting slide block 106 to slide up and down in the fixed bracket 105, and then the mounting shell 102 and the sampling head 104 are lifted up and down together, and further the sampling head 104 can flexibly sample at different heights, thereby making sampling more convenient.

[0025] Secondly, the connecting bottom rod 109 is fixedly connected to the base 101 and is located on the side of the base 101 close to the installation shell 102; the sliding top rod 110 is fixedly connected to the installation shell 102 and is slidably connected to the connecting bottom rod 109 and is located on the side of the installation shell 102 close to the connecting bottom rod 109. The connecting bottom rod 109 is a cylindrical rod with a circular slide groove at the top. The connecting bottom rod 109 is fixedly arranged above the base 101. The sliding top rod 110 is a cylindrical rod. The top end of the sliding top rod 110 is fixedly connected to the installation shell 102. The bottom end of the sliding top rod 110 extends into the slide groove of the connecting bottom rod 109 and is slidably connected to the connecting bottom rod 109 through the outer surface. When the installation shell 102 is lifted or lowered, the sliding top rod 110 performs synchronous vertical sliding along the connecting bottom rod 109, thereby supporting the lifting of the installation shell 102.

[0026] At the same time, the support foot 111 is fixedly connected to the base 101 and is located at the bottom of the base 101; the anti-skid pad 112 is fixedly connected to the support foot 111 and is located at the bottom of the support foot 111. The support foot 111 is an enlarged rectangular foot, and there are four support feet 111, which are fixedly connected to the base 101 and are located at the four corners of the base 101. The anti-skid pad 112 is a rectangular pad with anti-skid protrusions, and the anti-skid pad 112 is fixedly arranged under the support foot 111. Through the supporting effect of the anti-skid pad 112 and the support foot 111, the base 101 is not easy to slide when placed on the ground, thereby ensuring the stability of sampling.

[0027] When using an explosion-proof atmospheric sampling device of the present embodiment, the anti-slip pad 112 and the supporting foot 111 make the base 101 not easy to slide when placed on the ground, thereby ensuring the stability of sampling, and the positioning motor 108 drives the lifting rod 107 to rotate left and right, thereby driving the lifting slider 106 to slide up and down in the fixed bracket 105, thereby making the installation shell 102 and the sampling head 104 lift up and down together, and the sliding top rod 110 synchronously slides vertically along the connecting bottom rod 109, thereby supporting the lifting of the installation shell 102, and further enabling the sampling head 104 to flexibly sample at different heights, thereby making sampling more convenient.

[0028] The second embodiment of the present application is:

[0029] See also Figure 3 and Figure 4 ,in Figure 3 is a cross-sectional view of an explosion-proof atmosphere sampling device according to a second embodiment of the utility model, Figure 4It is a cross-sectional projection diagram of the explosion-proof air sampling device of the second embodiment of the utility model. On the basis of the first embodiment, the blowing assembly includes a blowing fan blade 201 and a control component, and the control component includes a control motor 202 and a control shaft 203.

[0030] The blowing fan blade 201 is rotatably connected to the mounting housing 102 through the control member and is located in the mounting housing 102; the control member controls the rotation of the blowing fan blade 201. The blowing fan blade 201 is a rectangular fan blade, and there are three blowing fan blades 201, which are evenly and horizontally arranged in the mounting housing 102. The control member drives the blowing fan blade 201 to rotate, thereby generating wind force, thereby accelerating the heat flow in the mounting housing 102.

[0031] Secondly, the control motor 202 is fixedly connected to the mounting housing 102 and is located on a side of the mounting housing 102 close to the fan blade 201; the control shaft 203 is fixedly connected to the fan blade 201 and is connected to the output end of the control motor 202 and is located on a side of the fan blade 201 close to the control motor 202. The control motor 202 is a rotary motor with a rotary rotor inside. The control motor 202 is fixedly arranged in the mounting housing 102. The control shaft 203 is a cylindrical shaft. The top end of the control shaft 203 is connected to the rotary rotor of the control motor 202. The free end of the control shaft 203 is fixed to the fan blade 201. The control motor 202 works to drive the control shaft 203 to rotate horizontally, thereby driving the fan blade 201 to rotate horizontally.

[0032] When using an explosion-proof atmospheric sampling device of this embodiment, the control motor 202 is operated to drive the control shaft 203 to rotate horizontally, thereby driving the fan blades 201 to rotate horizontally to generate wind force, thereby accelerating the flow of heat in the mounting shell 102 and further improving the heat dissipation effect.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. An explosion-proof atmospheric sampling device, comprising a base, a mounting shell, a sampling head and a blowing assembly, wherein the mounting shell is located on one side of the base, the mounting shell has a heat dissipation slot, the heat dissipation slot is located on one side of the mounting shell close to the base and penetrates one side of the mounting shell, the sampling head is fixedly connected to the mounting shell and is located on one side of the mounting shell close to the base, characterized in that: Also included is a positioning component; The positioning assembly includes a fixed bracket, a lifting slider, a lifting rod, a positioning motor, a connecting member and a supporting member. The fixed bracket is fixedly connected to the base and is located on a side of the base close to the mounting shell. The lifting slider is fixedly connected to the mounting shell and is slidably connected to the fixed bracket and is located on a side of the mounting shell close to the fixed bracket. The lifting rod is rotatably connected to the fixed bracket and is slidably connected to the lifting slider and is located on a side of the fixed bracket close to the lifting slider. The positioning motor is fixedly connected to the fixed bracket and is located on a side of the fixed bracket close to the lifting rod. The output end of the positioning motor is connected to the lifting rod. The connecting member is respectively connected to the base and the mounting shell, and the supporting member is arranged on the base.

2. The explosion-proof atmospheric sampling device according to claim 1, characterized in that: The connecting component includes a connecting bottom rod and a sliding top rod, the connecting bottom rod is fixedly connected to the base and is located on the side of the base close to the mounting shell; the sliding top rod is fixedly connected to the mounting shell and is slidably connected to the connecting bottom rod, and is located on a side of the mounting shell close to the connecting bottom rod.

3. The explosion-proof atmospheric sampling device according to claim 1, characterized in that: The supporting member comprises a supporting foot and an anti-skid pad, wherein the supporting foot is fixedly connected to the base and is located at the bottom end of the base; the anti-skid pad is fixedly connected to the supporting foot and is located at the bottom end of the supporting foot.

4. The explosion-proof atmospheric sampling device according to claim 1, characterized in that: The blowing assembly comprises a blowing fan blade and a control component. The blowing fan blade is rotatably connected to the mounting shell through the control component and is located in the mounting shell. The control component controls the rotation of the blowing fan blade.

5. The explosion-proof atmospheric sampling device according to claim 4, characterized in that: The control component includes a control motor and a control shaft. The control motor is fixedly connected to the mounting shell and is located on a side of the mounting shell close to the fan blades. The control shaft is fixedly connected to the fan blades and is connected to the output end of the control motor and is located on a side of the fan blades close to the control motor.

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