CN220492959U - Dual-output pulse pre-amplifier - Google Patents

Abstract

The utility model relates to the technical field of pulse preamplifiers and discloses a double-output pulse preamplifiers, which comprises a protective box mechanism and a dustproof net mechanism, wherein the dustproof net mechanism comprises a signal output hole, the protective box body is provided with a signal output hole, a dustproof net groove is formed in a box cover, the dustproof net groove is movably connected with a dustproof net, spring grooves are formed in two sides of the dustproof net, first springs are fixedly connected in the spring grooves, beads are fixedly connected to the first springs, bead pressing grooves are formed in the dustproof net grooves, the number of the bead pressing grooves is four, a preamplifiers body is placed in the protective box body to prevent the preamplification body from being accumulated by dust and being influenced by other external environments, the dustproof net can be used for radiating heat in the protective box body through the dustproof net grooves and a fixed block, dust impurities can be filtered, the dust impurities are prevented from entering the protective box body, and the dust impurities are prevented from falling through the beads pressing grooves and the beads pressing grooves in a clamping mode.

Description

Dual-output pulse pre-amplifier

Technical Field

The utility model relates to the technical field of pulse pre-stage amplifiers, in particular to a dual-output pulse pre-stage amplifier.

Background

The pre-amplifier is a device capable of amplifying the voltage or power of an input signal and consists of an electron tube or a transistor, a power transformer and other electrical components. In the prior art, a pre-amplifier is exposed to air for a long time, is easily accumulated with impurities, is easily affected by external environment, and is unfavorable for long-term use of the amplifier, so that a dual-output pulse pre-amplifier is needed to solve the problems.

Disclosure of Invention

In order to overcome the above-mentioned problems, an object of the present utility model is to provide a dual-output pulse pre-amplifier, which solves the problems that the prior art pre-amplifier proposed in the above-mentioned background art is exposed to air for a long time, is prone to accumulate impurities, is susceptible to external environment, and is unfavorable for long-term use of the amplifier.

The utility model provides the following technical scheme: the utility model provides a dual output pulse preamplifier, includes protective housing mechanism, protective housing mechanism includes protective housing body, case lid and preamplifier body, hinge connection has the case lid on the protective housing body, swing joint has preamplifier body in the protective housing body, dust screen mechanism includes the signal output hole, the signal output hole has been seted up on the protective housing body, the dust screen groove has been seted up on the case lid, swing joint has the dust screen in the dust screen groove, the spring groove has been seted up to the both sides of dust screen, and the quantity in spring groove is four, spring inslot fixedly connected with first spring, fixedly connected with pressure pearl on the first spring, the pressure pearl groove has been seted up in the dust screen groove, and the quantity in pressure pearl groove is four, prevents that it from being piled up and other external environment influences by the dust with the front amplifier body in the protective housing body, can carry out the heat dissipation to the protective housing body through the dust screen groove with the fixed block, the impurity can filter the dust, prevents that the dust from getting into the protective housing body, and through the card simple structure and the pressure pearl that falls, has improved the practical stability of the operation, and has prevented the dust from rocking.

Further, the heating panel groove has been seted up in the protection box, fixedly connected with heating panel on protection box and the heating panel groove, one side and the downside of preceding stage amplifier body can dispel the heat through the heating panel, in time absorb heat the cooling to preceding stage amplifier body, prevent to cause the damage of preceding stage amplifier body, improved the job stabilization nature of device.

Further, fixed connection second spring in the protection box, and the quantity of second spring is six, fixedly connected with fixed plate on the second spring, the backing amplifier body is placed and can be made the fixed plate push down the second spring shrink and make the elasticity of second spring carry out preliminary fixed to the backing amplifier body in two fixed plates, and can also carry out certain bradyseism effect through the shrink of second spring, prevent backing amplifier body collision damage, improved the practicality and the job stabilization nature of device.

Further, fixedly connected with fixed block in the protection box, fixedly connected with second rubber pad on the fixed block, the fixed block can be fixed the bottom of preceding stage amplifier body, prevents that preceding stage amplifier body from taking place to rock, and can avoid fixed block and preceding stage amplifier body direct contact through the second rubber pad, causes the damage of preceding stage amplifier body, has improved the practicality of device.

Further, swing joint dust screen in the dust screen groove presses pearl and presses the pearl groove and be convenient for separate, conveniently takes out the dust screen and clear up the activity, prevents that the dust from plugging up the dust screen and causing the heat dissipation unstable, has improved the practicality and the use flexibility of device.

Further, fixedly connected with first rubber pad on the fixed plate, the front end of fixed plate is the arc structure, is convenient for with the installation of preceding stage amplifier body, and first rubber pad has increased the frictional force with preceding stage amplifier body, and is more firm to the preceding stage amplifier body is fixed, also can prevent that preceding stage amplifier body and fixed plate collision friction from leading to the damage of device, has improved the work efficiency of device.

The utility model has the technical effects and advantages that:

1. according to the utility model, the signal output hole, the dustproof net groove, the dustproof net, the spring groove, the first spring, the pressing beads and the pressing bead groove are formed, the front-stage amplifier body is placed in the protective box body to prevent the front-stage amplifier body from being accumulated by impurities and other external environmental influences, the dust net groove and the fixed block can be used for radiating the interior of the protective box body, the dustproof net can be used for filtering dust impurities, the dust impurities are prevented from entering the protective box body, and the pressing beads and the pressing bead groove are clamped and fixed to prevent the dust net from shaking and falling.

2. According to the utility model, the second springs and the fixing plates are arranged, so that the fixing plates can press the second springs to shrink, the elasticity of the second springs can primarily fix the pre-amplifier body, a certain damping effect can be realized through the shrinkage of the second springs, the pre-amplifier body is prevented from being damaged by collision, and the practicability and the working stability of the device are improved.

Drawings

Fig. 1 is a schematic side perspective view of the overall structure of the present utility model.

Fig. 2 is an expanded perspective view of the overall structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of the overall structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

The reference numerals are: 100. a protective box mechanism; 110. a protective box body; 111. a case cover; 112. a pre-amplifier body; 200. a dust screen mechanism; 210. a signal output hole; 211. a dust-proof net groove; 212. a dust screen; 213. a spring groove; 214. a first spring; 215. pressing the beads; 216. a bead pressing groove; 217. a heat radiation plate groove; 218. a heat dissipation plate; 219. a second spring; 220. a fixing plate; 221. a first rubber pad; 222. a fixed block; 223. and a second rubber pad.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1, 3 and 4 of the drawings in the specification, the utility model provides a dual-output pulse preamplifier, which comprises a protective box mechanism 100, wherein the protective box mechanism 100 comprises a protective box body 110, a box cover 111 and a preamplifier body 112, the protective box body 110 is connected with the box cover 111 through a hinge, the protective box body 110 is internally and movably connected with the preamplifier body 112, the dustproof net mechanism 200 comprises a signal output hole 210, the protective box body 110 is provided with the signal output hole 210, the box cover 111 is provided with the dustproof net groove 211, the dustproof net groove 211 is movably connected with the dustproof net 212, the two sides of the dustproof net 212 are provided with spring grooves 213, the number of the spring grooves 213 is four, the spring grooves 213 are fixedly connected with first springs 214, the first springs 214 are fixedly connected with bead pressing grooves 216, the dustproof net groove 211 is internally provided with four bead pressing grooves 216, the protective box body 110 is internally provided with the radiating plate 217, the protective box body 110 and the radiating plate 217 are fixedly connected with the radiating plate 218, and the dustproof net 212 is movably connected with the dustproof net 212.

Working principle: the front-stage amplifier body 112 is placed in the protective box body 110, one side of the output end of the front-stage amplifier body 112 is attached to the signal output hole 210, the subsequent connection work is facilitated, the signal output hole 210 can radiate heat accumulated in the protective box body 110 together with the dust screen groove 211, the bottom surface and one side surface of the front-stage amplifier body 112 are contacted with the radiating plate 218, the radiating plate 218 cools the front-stage amplifier body 112, the front-stage amplifier body 112 is prevented from being damaged, the dust screen 212 mounted in the dust screen groove 211 prevents dust from falling into the protective box body 110, dust is accumulated above the protective box body 110, the inner wall of the dust screen groove 211 presses the first spring 215 against the bead pressing groove 215 to shrink, the bead pressing groove 216 is clamped with the bead pressing groove 215, the dust screen 212 is fixed in the dust screen groove 211, the dust screen 212 is prevented from falling, the bead pressing groove 215 and the bead pressing groove 216 is convenient to separate the dust screen 212 from being detached or replaced, and the dust cleaning blocking screen 212 is prevented from being unstable in heat radiation.

Embodiment two:

referring to fig. 2 and 3 of the drawings, the second embodiment differs from the first embodiment in that: the second springs 219 are fixedly connected in the protective box 110, the number of the second springs 219 is six, the fixing plates 220 are fixedly connected to the second springs 219, the fixing blocks 222 are fixedly connected to the protective box 110, the second rubber pads 223 are fixedly connected to the fixing blocks 222, and the first rubber pads 221 are fixedly connected to the fixing plates 220.

Working principle: the front-stage amplifier body 112 is placed in the protective box 110, the front-stage amplifier body 112 is installed between the two fixing plates 220 in a pressing mode along the arc-shaped opening of the fixing plates 220, the fixing plates 220 prop against the second springs 219 to press down, shrink and rebound, the fixing plates 220 fix the front-stage amplifier body 112, the second springs 219 shrink and can also buffer vibration, the first rubber pads 221 on the fixing plates 220 prevent the front-stage amplifier body 112 from being damaged due to collision between the front-stage amplifier body 112 and the fixing plates 220, the fixing blocks 222 fix the bottom of the front-stage amplifier body 112, and the front-stage amplifier body 112 is prevented from being fixed on the other two sides of the fixing plates 220, so that the front-stage amplifier body 112 is stably placed in the protective box 110.

Claims (6)

1. The utility model provides a dual output pulse preamplifier, includes protective housing mechanism (100), protective housing mechanism (100) are including protective housing body (110), case lid (111) and preceding stage amplifier body (112), hinge connection has case lid (111) on protective housing body (110), swing joint has preceding stage amplifier body (112) in protective housing body (110), its characterized in that:

the dustproof net mechanism (200), dustproof net mechanism (200) includes signal output hole (210), signal output hole (210) have been seted up on protection box (110), dustproof net groove (211) have been seted up on case lid (111), swing joint has dust screen (212) in dustproof net groove (211), spring groove (213) have been seted up in the both sides of dustproof net (212), and the quantity of spring groove (213) is four, fixedly connected with first spring (214) in spring groove (213), fixedly connected with pressure pearl (215) on first spring (214), pressure pearl groove (216) have been seted up in dustproof net groove (211), and the quantity of pressure pearl groove (216) is four.

2. A dual output pulse pre-amplifier as defined in claim 1, wherein: a heat dissipation plate groove (217) is formed in the protective box body (110), and heat dissipation plates (218) are fixedly connected to the protective box body (110) and the heat dissipation plate groove (217).

3. A dual output pulse pre-amplifier as defined in claim 1, wherein: the second springs (219) are fixedly connected in the protective box body (110), the number of the second springs (219) is six, and the second springs (219) are fixedly connected with a fixing plate (220).

4. A dual output pulse pre-amplifier as defined in claim 1, wherein: the protection box body (110) is internally fixedly connected with a fixed block (222), and the fixed block (222) is fixedly connected with a second rubber pad (223).

5. A dual output pulse pre-amplifier as defined in claim 1, wherein: the dustproof net groove (211) is internally and movably connected with a dustproof net (212).

6. A dual output pulse pre-amplifier as set forth in claim 3 wherein: the fixed plate (220) is fixedly connected with a first rubber pad (221).