CN208458772U - The detection device of portable pressure, thermometric instrument accessory - Google Patents

Abstract

Disclosed by the utility model is the detection device of portable pressure, thermometric instrument accessory, can be used for carrying out fault detection, easy maintenance and replacement to the various accessories of the pressure transmitter and temperature transmitter to break down.The present apparatus includes pressure pump and heater, this detection device is additionally provided with temperature signal generating mechanism, pressure signal generating mechanism and signal acquisition module, and signal acquisition module is equipped with cable interface and is connect with the microcomputer equipped with error analysis software by cable by cable interface；Temperature signal generating mechanism, pressure signal generating mechanism and signal acquisition module are each attached to and pull in cabinet.Detection mouth of the utility model provided with display board, control board, power panel, sensor in pressure transmitter and temperature transmitter, the quality of above-mentioned accessory can directly be detected, the reparation for completing pressure transmitter and temperature transmitter, significantly reduces scrappage, reduces production cost.

Description

The detection device of portable pressure, thermometric instrument accessory

Technical field

The utility model relates to the detection device of pressure gauge and thermometric instrument accessory, especially portable pressures, temperature The detection device of instrument accessory can be used for carrying out failure to the various accessories of the pressure transmitter and temperature transmitter to break down Detection, easy maintenance and replacement.

Background technique

Used in the automatic control system run in petroleum, chemical industry, production a large amount of pressure transmitter and Temperature transmitter, the internal structure of both instrument mainly include four part such as display board, control board, power panel, sensor.Mesh The preceding pressure used, temperature checker are the special instruments for verifying pressure transmitter and the various pressure and temperatures of temperature transmitter, Can be when pressure, temperature transmitter break down, no professional tool can be to matching in pressure transmitter and temperature transmitter Part carries out fault detection, i.e., which component that can not be predicted in pressure transmitter and temperature transmitter failure occurs, causes to press Power transmitter and temperature transmitter can not be completed to repair in production unit.If manufacturer is sent to repair, maintenance cycle length, institute The transshipment charge and part replacement of generation are costly, very nearly the same with the expense of replacement new product, lead to pressure transmitter and temperature The scrappage for spending transmitter is high, increases production cost.Production scene needs one kind to be able to detect pressure transmitter and temperature change The device for sending device interior fittings enables pressure transmitter and temperature transmitter to complete to repair in production unit, and reduction is produced into This.

Summary of the invention

The purpose of this utility model is just to provide the detection device of portable pressure, thermometric instrument accessory, can be Production unit completes the detection and verification to accessory in pressure transmitter and temperature transmitter, and pressure transmitter and temperature is facilitated to become The reparation for sending device reduces its scrappage, reduces production cost.

The technical solution of the utility model is: the detection device of portable pressure, thermometric instrument accessory, including suppresses Pump and heater, this detection device are additionally provided with temperature signal generating mechanism, pressure signal generating mechanism and signal acquisition module, temperature It spends signal generating mechanism and is equipped with normal temperature transmitter socket, dut temperature transmitter control board detection mouth, dut temperature pick-up Device sensor detection mouth and heater, normal temperature transmitter socket, dut temperature transmitter control board detection mouth and measured The connecting terminal for spending transmitter sensor detection mouth is in parallel with the connecting terminal block of signal acquisition module by cable, heater Heating plate is arranged in the shell of temperature signal generating mechanism；Normal pressure pick-up is equipped in the shell of pressure signal generating mechanism Device socket, tested pressure transmitter display board detection mouth, tested pressure transmitter control board detection mouth, tested pressure transmitter electricity Source plate detection mouth and tested pressure transmitter sensor detection mouth, standard pressure transmitter socket, tested pressure transmitter are shown Plate detection mouth, tested pressure transmitter control board detection mouth, tested pressure transmitter power panel detection mouth and tested pressure inverting The pressure transmission mouth of device sensor detection mouth is connect with valve and to pass through hydraulic line in parallel with pressure pump, and standard pressure transmitter is inserted Mouth, tested pressure transmitter display board detection mouth, tested pressure transmitter control board detection mouth, tested pressure transmitter power panel The connecting terminal of detection mouth and tested pressure transmitter sensor detection mouth passes through the terminals of cable and signal acquisition module Son row is in parallel；Signal acquisition module is equipped with cable interface and is led to by cable interface and the microcomputer equipped with error analysis software Cross cable connection；Temperature signal generating mechanism, pressure signal generating mechanism and signal acquisition module are each attached to and pull in cabinet.

The significant using effect of the utility model is: soft equipped with error analysis in the microcomputer that the utility model uses Part, function is strong, small in size, separately matches mini-printer.The power supply of the utility model use AC and DC mode, field by The power supply of 24V battery, DC power supply needed for interior is converted to the utility model as alternating current-direct current adapter.Whole Mechanism Combinations exist One portable to pull in cabinet, easy to carry, is suitble to indoor use with the various occasions of open field.Signal acquisition module is adopted It is manufactured with single-chip microcontroller or programmable logic controller (PLC), i.e. PLC is manufactured, can not only acquire 4~20mA electric current, but also 1~5V electricity can be acquired Pressure, it is easy to use.

The utility model is provided with display board, control board, power panel, sensor in pressure transmitter and temperature transmitter Detection mouth, can directly detect the quality of above-mentioned accessory, complete the reparation of pressure transmitter and temperature transmitter, significantly reduce Scrappage reduces production cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

In figure: temperature signal generating mechanism 1, pressure signal generating mechanism 2, signal acquisition module 3, normal temperature transmitter Socket 4, dut temperature transmitter control board detection mouth 5, dut temperature transmitter sensor detection mouth 6, standard pressure transmitter Socket 7, tested pressure transmitter display board detection mouth 8, tested pressure transmitter control board detection mouth 9, tested pressure transmitter Power panel detection mouth 10, tested pressure transmitter sensor detection mouth 11, cable interface 12, power switch 13, pressure pump 14, hand Machine drawing case 15, connecting terminal block 16, valve 17, heating plate 18 and temperature controller 19.

Specific embodiment

The utility model is described in detail below in conjunction with attached drawing, not limits the protection scope of the utility model.It is as described below to be only The preferred embodiment of the utility model, other use the equivalence changes of the utility model, should belong to the protection of the utility model Range.

Referring to Fig. 1, portable pressure, thermometric instrument accessory detection device include pressure pump 14 and heater, this detection Device is additionally provided with temperature signal generating mechanism 1, pressure signal generating mechanism 2 and signal acquisition module 3, temperature signal generating mechanism 1 is equipped with normal temperature transmitter socket 4, dut temperature transmitter control board detection mouth 5, the detection of dut temperature transmitter sensor Mouth 6 and heater, normal temperature transmitter socket 4, dut temperature transmitter control board detection mouth 5 and dut temperature transmitter pass The connecting terminal of sensor detection mouth 6 is in parallel with the connecting terminal block 16 of signal acquisition module 3 by cable, the heating plate of heater 18 are arranged in the shell of temperature signal generating mechanism 1；Standard pressure transmitter is equipped in the shell of pressure signal generating mechanism 2 Socket 7, tested pressure transmitter display board detection mouth 8, tested pressure transmitter control board detection mouth 9, tested pressure transmitter Power panel detection mouth 10 and tested pressure transmitter sensor detection mouth 11, standard pressure transmitter socket 7, tested pressure inverting Device display board detection mouth 8, tested pressure transmitter control board detection mouth 9, tested pressure transmitter power panel detection mouth 10 and by The pressure transmission mouth of measuring pressure transmitter sensor detection mouth 11 connect with valve 17 and by hydraulic line it is in parallel with pressure pump 14, Standard pressure transmitter socket 7, tested pressure transmitter display board detection mouth 8, tested pressure transmitter control board detection mouth 9, The connecting terminal of tested pressure transmitter power panel detection mouth 10 and tested pressure transmitter sensor detection mouth 11 passes through electricity Cable is in parallel with the connecting terminal block 16 of signal acquisition module 3；Signal acquisition module 3 is equipped with cable interface 12 and passes through cable interface 12 are connect with the microcomputer equipped with error analysis software by cable；Temperature signal generating mechanism 1, pressure signal generating mechanism 2 and signal acquisition module 3 be each attached to and pull in cabinet 15, be convenient for carrying.Error analysis software is housed in microcomputer, is passed through The normal temperature transmitter in normal temperature transmitter socket 4 is accessed compared with the dut temperature transmitter all parts of access And the ratio by standard pressure transmitter and tested pressure transmitter all parts in access standard pressure transmitter socket 7 Compared with predicting the place of trouble unit.The power switch 13 of the signal acquisition module 3 is connect or is passed through with battery by cable Alternating current-direct current adapter is connect with alternating-current power supply, use the present apparatus can in the wild production site, can also be used indoors.

The battery is 24V battery.

The signal acquisition module 3 be single-chip microcontroller either programmable logic controller (PLC), can acquire 4~20mA electric current and Acquire 1~5V voltage.Single-chip microcontroller and programmable logic controller (PLC) can be manufactured directly by professional production producer.

The valve 17 is needle-valve, and microcomputer can also be connect with mini-printer.

The heater includes heating plate 18 and temperature controller 19, and the shell of temperature signal generating mechanism 1 is arranged in temperature controller 19 By cable connection, the temperature of heating plate 18 is controlled by temperature controller 19 for external face and heating plate 18.

The pressure pump 14 is hydraulic hand-pump.

Described pull can also fix microcomputer in cabinet 15, such as thin touch screen computer.

When detecting the accessory of temperature transmitter, normal temperature transmitter is accessed into normal temperature transmitter socket 4.It will be tested The accessory of temperature transmitter is respectively connected to dut temperature transmitter control board detection mouth 5 and the detection of dut temperature transmitter sensor Mouth 6；The cable interface 12 of signal acquisition module 3 is connected with the microcomputer equipped with error analysis software with cable.It opens Power switch 13 controls heating plate 18 by temperature controller 19 and heats up to the enclosure interior of temperature signal generating mechanism 1, in microcomputer Analysis software whether can automatically analyze access accessory therein normal.

When detecting pressure transmitter accessory, standard pressure transmitter is accessed into standard pressure transmitter socket 7.By tested pressure The accessory of power transmitter is respectively connected to tested pressure transmitter display board detection mouth 8, tested pressure transmitter control board detection mouth 9, pressure transmitter power panel detection mouth 10 and tested pressure transmitter sensor detection mouth 11 are tested.With cable by cable interface 12 connect with microcomputer.13 are turned on the power switch, is boosted by pressure pump 14, the error analysis software in microcomputer It is whether normal that each accessory can be automatically analyzed.

The embodiment described above is only exemplary embodiments, but the utility model is not limited only to these embodiments, ability The technical staff in domain can make modification under the spirit and enlightenment without departing from the utility model.Aspect disclosed herein may In the presence of many changes, combination and modification, and all in the scope of the utility model, therefore, protection scope is not limited only to above Explanation.

Claims (8)

1. the detection device of portable pressure, thermometric instrument accessory, including pressure pump and heater, characterized in that this detection dress It sets and is additionally provided with temperature signal generating mechanism, pressure signal generating mechanism and signal acquisition module, temperature signal generating mechanism is equipped with Normal temperature transmitter socket, dut temperature transmitter control board detection mouth, dut temperature transmitter sensor detection mouth and add Hot device, normal temperature transmitter socket, dut temperature transmitter control board detection mouth and the detection of dut temperature transmitter sensor The connecting terminal of mouth is in parallel with the connecting terminal block of signal acquisition module by cable, and the heating plate setting of heater is believed in temperature In the shell of number generating mechanism；Standard pressure transmitter socket is equipped in the shell of pressure signal generating mechanism, is become by measuring pressure It send device display board detection mouth, tested pressure transmitter control board detection mouth, tested pressure transmitter power panel detection mouth and is tested Pressure transmitter sensor detection mouth, standard pressure transmitter socket are tested pressure transmitter display board detection mouth, by measuring pressure The biography of transmitter control board detection mouth, tested pressure transmitter power panel detection mouth and tested pressure transmitter sensor detection mouth Pressure mouth connect with valve and to pass through hydraulic line in parallel with pressure pump, and standard pressure transmitter socket is tested pressure transmitter Display board detection mouth, is tested pressure transmitter power panel detection mouth and by measuring pressure at tested pressure transmitter control board detection mouth It is in parallel with the connecting terminal block of signal acquisition module that the connecting terminal of transmitter sensor detection mouth passes through cable；Signal acquisition Module is equipped with cable interface and is connect with the microcomputer equipped with error analysis software by cable by cable interface；Temperature letter Number generating mechanism, pressure signal generating mechanism and signal acquisition module are each attached to and pull in cabinet.

2. the detection device of portable pressure as described in claim 1, thermometric instrument accessory, characterized in that the signal is adopted The power switch of collection module is connect with battery by cable or is connect by alternating current-direct current adapter with alternating-current power supply.

3. the detection device of portable pressure as claimed in claim 2, thermometric instrument accessory, characterized in that the battery is 24V battery.

4. the detection device of portable pressure as claimed in claim 1 or 2, thermometric instrument accessory, characterized in that the signal Acquisition module is single-chip microcontroller either programmable logic controller (PLC), can acquire 4~20MA electric current and acquisition 1~5V voltage.

5. the detection device of portable pressure as described in claim 1, thermometric instrument accessory, characterized in that the valve is Needle-valve；Microcomputer can also be connect with mini-printer.

6. the detection device of portable pressure as described in claim 1, thermometric instrument accessory, characterized in that the heater Including heating plate and temperature controller, temperature controller, which is arranged in outside the shell of temperature signal generating mechanism, to be connected with heating plate by cable It connects.

7. the detection device of portable pressure as claimed in claim 5, thermometric instrument accessory, characterized in that the pressure pump It is hydraulic hand-pump.

8. the detection device of portable pressure as claimed in claim 5, thermometric instrument accessory, characterized in that described to pull machine Microcomputer can also be fixed in case.