CN218272668U - Voltage and current calibration detection equipment with constant voltage output function - Google Patents

Abstract

The utility model discloses a voltage current calibration check out test set with constant voltage output function relates to circuit equipment detection area, including the guard box, the inner wall fixedly connected with constant current constant voltage drop detector of guard box, one side fixedly connected with interconnecting link of constant current constant voltage drop detector upper surface, the opposite side of constant current constant voltage drop detector upper surface is provided with the link, one side fixedly connected with connection piece of link inner wall. The utility model discloses can calibrate when detecting between constant current constant voltage drop detector and the circuit equipment and carry out sealed protection to the junction between circuit equipment and the constant current constant voltage drop detector and handle, prevent that external rivers from entering into constant current constant voltage drop detector and circuit equipment junction, lead to constant current constant voltage drop detector and circuit equipment to take place the condition of short circuit damage, ensure the security and the stability that constant current constant voltage drop detector calibration detected.

Description

Voltage and current calibration detection equipment with constant voltage output function

Technical Field

The utility model relates to a circuit equipment detection area, in particular to voltage electric current calibration check out test set with constant voltage output function.

Background

The voltage and current process check meter is a hand-held comprehensive digital check meter integrating digital display type direct-current voltage, current signal source and direct-current function into a whole, and having high precision, high resolution, high reliability and anti-drop performance, the meter adopts a large liquid crystal display, the reading is clear, meanwhile, the meter also has a backlight source, a reading keeping function and an automatic shutdown function, the meter can be powered by a direct-current or alternating-current power supply, the use is more convenient, and the precision can reach 0.05%.

At present, when a constant-current constant-voltage drop detector is used for detecting voltage and current of an instrument and circuit equipment, a connection end of the circuit equipment is generally connected in a clamping mode, the connection end is exposed outside in the detection mode, if the external water flow is met carelessly, the short circuit damage between the circuit equipment and the constant-current constant-voltage drop detector is easily caused, and the safety of the calibration detection of the circuit equipment and the constant-current constant-voltage drop detector is further influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a voltage current calibration check out test set with constant voltage output function, generally all adopt the clamping mode to connect the circuit equipment link when solving the constant current constant voltage drop detector that proposes among the above-mentioned background art and carrying out voltage and current detection to instrument and circuit equipment, the mode of connecting like this can appear the link and expose the condition outside detecting, if meet the external rivers condition of short circuit damage just very easily leading to taking place between circuit equipment and the constant current constant voltage drop detector carelessly, and then influence the problem of the security that circuit equipment and constant current constant voltage drop detector calibration detected.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltage electric current calibration check out test set with constant voltage output function, includes the protecting box, the inner wall fixedly connected with constant current constant voltage drop detector of protecting box, one side fixedly connected with interconnecting link of constant current constant voltage drop detector upper surface, the opposite side of constant current constant voltage drop detector upper surface is provided with the link, one side fixedly connected with connection piece of link inner wall, the round mouth has been seted up to one side of link inner wall, the one end of interconnecting link extend to the link inner wall through the round mouth and with one side center fixed connection of connection piece, the first sealed pad of inner wall fixedly connected with of round mouth, the inner wall of first sealed pad contacts with surface one side of interconnecting link, the equal fixedly connected with arc pin piece of upper surface and the lower surface of connection piece one side, the sealed pad of opposite side fixedly connected with second of link.

Preferably, a box cover is rotatably connected to the rear side of the upper surface of the protection box.

Preferably, the periphery of the lower surface of the box cover is fixedly connected with a third sealing gasket, and the lower surface of the third sealing gasket is in contact with the upper surface of the protection box.

Preferably, the equal fixedly connected with of four corners department of protective housing lower surface supports the protection foot, and is a plurality of anti-skidding line has all been seted up to the lower surface that supports the protection foot.

Preferably, a handle is fixedly connected to the center of the upper surface of the case cover.

Preferably, the equal fixedly connected with joint pole in both sides around the protective housing one side top, two the equal fixedly connected with elasticity joint arch in one side of joint pole upper and lower surface.

Preferably, the front surface and the rear surface of one side of the box cover are respectively and rotatably connected with a clamping plate, the clamping openings are formed in the lower portion of one side of the clamping plates, and the inner walls of the clamping openings are respectively clamped with one side of the surface of the corresponding clamping rod through elastic clamping protrusions.

The utility model discloses a technological effect and advantage:

1. through setting up constant current constant voltage drop detector, interconnecting link, the round mouth, first sealed pad, the connection piece, the arc pin piece, the sealed pad of second, thereby can carry out the sealed protection processing to the junction between circuit equipment and the constant current constant voltage drop detector when carrying out calibration detection between constant current constant voltage drop detector and the circuit equipment, prevent that external rivers from entering into constant current constant voltage drop detector and circuit equipment junction, lead to constant current constant voltage drop detector and circuit equipment to take place the condition of short circuit damage, ensure the security and the stability of constant current constant voltage drop detector calibration detection.

2. Through setting up protective housing and case lid and the sealed pad of third to can carry out fine protection to constant current constant voltage drop detector and handle, and can prevent that external dust and rivers from entering into the protective housing inside, ensure the security that constant current constant voltage drop detector deposited.

3. Through setting up joint pole, elasticity joint arch, cardboard, bayonet socket to can seal the processing between protective housing and the case lid, prevent to carry and open at will with the in-process case lid of depositing, ensure the effect that the protective housing used.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the front section structure of the protective box of the present invention.

Fig. 3 is a schematic view of the front cross-sectional structure of the protective joint cover of the present invention.

Fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a protective box; 2. a constant-current constant-voltage drop detector; 3. connecting a line; 4. a connecting end; 5. a round mouth; 6. a first gasket; 7. connecting sheets; 8. an arc-shaped lead piece; 9. a second gasket; 10. a box cover; 11. a third seal gasket; 12. supporting the protection feet; 13. a handle; 14. a clamping and connecting rod; 15. the elastic clamping bulge is connected with the base; 16. clamping a plate; 17. and (4) clamping.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a voltage and current calibration check out test set with constant voltage output function as shown in fig. 1-4, including protective housing 1, protective housing 1's inner wall fixedly connected with constant current constant voltage drop detector 2, one side fixedly connected with interconnecting link 3 of constant current constant voltage drop detector 2 upper surface, the opposite side of constant current constant voltage drop detector 2 upper surface is provided with link 4, one side fixedly connected with connection piece 7 of link 4 inner wall, round mouth 5 has been seted up to one side of link 4 inner wall, interconnecting link 3's one end extends to link 4 inner wall through round mouth 5 and with one side center fixed connection of connection piece 7, round mouth 5's the first sealed pad of inner wall fixedly connected with 6 of first sealed pad, the inner wall of first sealed pad 6 contacts with surface one side of interconnecting link 3, the equal fixedly connected with arc pin piece 8 of upper surface and lower surface of connection piece 7 one side, the sealed pad 9 of the opposite side fixedly connected with second of link 4, can carry out the seal protection to the junction between constant current device and constant voltage drop detector 2 when carrying out the calibration detection between constant current drop 2 and the constant voltage drop detector, prevent that external rivers from getting into constant voltage drop detector 2 and constant voltage drop detector and the constant voltage drop detector 2 damage the constant current constant voltage drop and the constant voltage drop detector 2 condition of constant current constant voltage drop.

As shown in fig. 1 and 2, the rear side of the upper surface of the protection box 1 is rotatably connected with a box cover 10, the common fixedly connected with third sealing gasket 11 is arranged around the lower surface of the box cover 10, the lower surface of the third sealing gasket 11 is in contact with the upper surface of the protection box 1, the constant current and constant voltage drop detector 2 can be well protected, and external dust and water can be prevented from entering the protection box 1, the safety of the constant current and constant voltage drop detector 2 in storage is ensured, the four corners of the lower surface of the protection box 1 are fixedly connected with supporting protection feet 12, anti-skid lines are arranged on the lower surfaces of the supporting protection feet 12, the whole equipment can be placed and supported, the sliding phenomenon can be prevented from occurring when the equipment is placed, a handle 13 is fixedly connected with the center of the upper surface of the box cover 10, the box cover 10 can be conveniently closed and opened after the clamping equipment is opened, and the whole equipment can be conveniently carried.

As shown in fig. 4, the equal fixedly connected with joint pole 14 in both sides around protective housing 1 one side top, the equal fixedly connected with elasticity joint arch 15 in one side of surface about two joint poles 14, the surface all rotates around case lid 10 one side and is connected with cardboard 16, bayonet 17 has all been seted up to the below of two cardboard 16 one sides, the inner wall of two bayonet 17 all passes through elasticity joint arch 15 and the surperficial one side joint of corresponding joint pole 14, can seal the processing between protective housing 1 and case lid 10, prevent to carry and the in-process case lid 10 of depositing and open at will, ensure the effect that protective housing 1 used.

The utility model discloses the theory of operation: when in use, the whole protective box 1 can be carried by the handle 13, then the supporting and protective feet 12 can be used for placing equipment, and the antiskid placing treatment can be carried out on the whole equipment by the antiskid lines arranged below the supporting and protective feet 12;

then when the device is used, the clamping plate 16 is pulled to separate the bayonet 17 arranged on the clamping plate 16 from the elastic clamping protrusion 15 connected with the clamping rod 14, so that the clamping plate 16 is separated from the clamping rod 14, the connected protective box 1 is separated from the box cover 10, then the box cover 10 is opened, and the connecting circuit 3 and the connecting end 4 connected with the constant-current constant-voltage drop detector 2 are taken out;

later be connected link 4 and circuit equipment's calibration detection end, link 4 is connected with circuit equipment link 4 through the inside arc pin piece 8 that sets up when connecting, then two arc pin pieces 8 communicate arc pin piece 8 and interconnecting link 3's circuit through connection piece 7, and then in data transfer constant current constant voltage drop detector 2, link 4 seals the gap between round mouth 5 and interconnecting link 3 through the first sealed pad 6 of round mouth 5 inner wall fixed connection when connecting, thereby ensure the safety of junction, later a side surface of link 4 seals the gap between circuit equipment and link 4 through the sealed 9 of second pad, and then ensure the security of junction again, make calibration detection process go on steadily.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a voltage and current calibration check out test set with constant voltage output function, includes protective housing (1), its characterized in that: the inner wall fixedly connected with constant current constant voltage drop detector (2) of guard box (1), one side fixedly connected with interconnecting link (3) of constant current constant voltage drop detector (2) upper surface, the opposite side of constant current constant voltage drop detector (2) upper surface is provided with link (4), one side fixedly connected with connection piece (7) of link (4) inner wall, round mouth (5) have been seted up to one side of link (4) inner wall, the one end of interconnecting link (3) is passed through round mouth (5) and is extended to link (4) inner wall and locate fixed connection with one side center of connection piece (7), the first sealed pad (6) of inner wall fixedly connected with of round mouth (5), the inner wall of the first sealed pad (6) contacts with surface one side of interconnecting link (3), the upper surface and the equal fixedly connected with arc pin piece (8) of lower surface of connection piece (7) one side, the sealed pad (9) of opposite side fixedly connected with second of link (4).

2. The voltage-current calibration detecting apparatus with a constant voltage output function according to claim 1, wherein: the rear side of the upper surface of the protective box (1) is rotatably connected with a box cover (10).

3. The voltage-current calibration detecting apparatus with a constant voltage output function according to claim 2, wherein: the box cover is characterized in that a third sealing gasket (11) is fixedly connected to the periphery of the lower surface of the box cover (10) in a common mode, and the lower surface of the third sealing gasket (11) is in contact with the upper surface of the protection box (1).

4. A voltage-current calibration detecting apparatus having a constant voltage output function according to claim 1, wherein: the equal fixedly connected with of four corners department of protective housing (1) lower surface supports protection foot (12), and is a plurality of anti-skidding line has all been seted up to the lower surface that supports protection foot (12).

5. The voltage-current calibration detecting apparatus with a constant voltage output function according to claim 2, wherein: the center of the upper surface of the box cover (10) is fixedly connected with a handle (13).

6. The voltage-current calibration detecting apparatus with a constant voltage output function according to claim 2, wherein: the protection box is characterized in that clamping rods (14) are fixedly connected to the front side and the rear side of the upper portion of one side of the protection box (1), and elastic clamping protrusions (15) are fixedly connected to the upper surface and the lower surface of each clamping rod (14).

7. The voltage-current calibration detecting apparatus with a constant voltage output function according to claim 6, wherein: the front surface and the rear surface of one side of the box cover (10) are respectively and rotatably connected with a clamping plate (16), two clamping ports (17) are respectively arranged below one side of the clamping plate (16), and the inner walls of the clamping ports (17) are respectively clamped with one side of the surface of a corresponding clamping rod (14) through elastic clamping protrusions (15).

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