CN206945178U - A kind of pressure transmitter - Google Patents
A kind of pressure transmitter Download PDFInfo
- Publication number
- CN206945178U CN206945178U CN201720922084.3U CN201720922084U CN206945178U CN 206945178 U CN206945178 U CN 206945178U CN 201720922084 U CN201720922084 U CN 201720922084U CN 206945178 U CN206945178 U CN 206945178U
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- pressure transmitter
- circuit board
- pressure
- sensor
- casing
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Abstract
It the utility model is related to pressure transmitter technical field, more particularly to a kind of pressure transmitter.The pressure transmitter includes chip carrier, front casing, rear casing, sensor, pressure ring, circuit board, sensor is provided with the chip carrier, circuit board is tightened together with screw in the rear end of pressure ring, the front casing is enclosed on the outside of the circuit board, the threaded one end of the front casing is connected on the outside of the chip carrier, the other end of the front casing is threadedly coupled with the rear casing, the power line and signal wire of pressure transmitter are picked out from the rear casing, and the outlet cable of the pressure transmitter is locked above the rear casing by locking member.Pressure transmitter provided by the utility model, simple in construction, each parts interchangeability is good, while realizing that convenient and reliable assembly and production efficiency are high, has been greatly reduced the cost of product.
Description
Technical field
It the utility model is related to pressure transmitter technical field, more particularly to a kind of pressure transmitter.
Background technology
Pressure signal measurement is the e measurement technology means commonly used in industrial automatic control, according to application scenario, measurement model
Enclose, required precision, factor, the selected sensor type such as application cost it is different.Pressure transmitter is a kind of common
Pressure signal measuring apparatus.
In pressure transmitter production, the shell structure of pressure transmitter is various informative, but mostly using first by screw fastening
Tight mode assembling pressure sensor core, then transmission circuit plate is fixed on threaded fastener, finally using threaded connection
Mode load onto shell body rear cover, for assembling the connector of signal output.This shell structure is in pressure transmitter production field
Extensive application, most of pressure inverting production requirements are met, but as pressure transmitter market demands improve constantly, this
Kind pressure transmitter shell structure has the following disadvantages：Because assembling transmission circuit plate, even if employing simpler and more direct, more
Cost can be reduced and the less mode of pressure sensor performance impact is assembled, it is also necessary to retain threaded fastener；Due to
Pressure transmitter shell needs accessory processing to ensure transmitter outward appearance with bonnet, thus the interchangeability of parts is poor, and these are led
Cause needs to meet that inexpensive structural member, small stock and pressure transmitter product high-volume and efficient production requirement are difficult to reality
It is existing.
Therefore, how make it that overall assembling structure is reliable and stable and technique is simple, while can also reduce the cost of product, into
For those skilled in the art's technical barrier urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of pressure transmitter, and the pressure transmitter entirety assembling structure is reliable and stable
And technique is simple, while it can also substantially reduce the cost of product, it is easy to accomplish large-scale production.
To achieve these goals, the utility model provides a kind of pressure transmitter, including chip carrier, front casing, after
Shell, sensor, pressure ring, circuit board, sensor is provided with the chip carrier, it is in the rear end screw of pressure ring that circuit board is tight
Gu together, the front casing is enclosed on the outside of the circuit board, the threaded one end of the front casing is connected to the chip carrier
Outside, the other end of the front casing are threadedly coupled with the rear casing, and the power line and signal wire of pressure transmitter are from described
Rear casing is picked out, and the outlet cable of the pressure transmitter is locked above the rear casing by locking member.
Preferably, the sensor is oil filling core body sensor, the pressure-sensitive diaphragm face pressure of the oil filling core body sensor
The center in power hole, the oil filling core body ceramic circuit postlaminar part point of the oil filling core body sensor and oil filling core body sensor
Outlet is locked on the chip carrier by pressure ring.
Preferably, the circuit board is pressure transmitter resistance frequency interference circuit board.
Preferably, the circuit board includes diode D1, triode Q1 and FET Q2, and diode D1 passes through triode
Q1 is connected with FET Q2, and triode Q1 is connected processor MCU with the connected B end points of FET Q2 by triode Q3；Three
The pole pipe Q1 B end points that is connected with FET Q2 is connected with comparator U1.
Pressure transmitter provided by the utility model, simple in construction, each parts interchangeability is good, realize it is easy to assembly can
Lean on and while production efficiency is high, be greatly reduced the cost of product.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the pressure transmitter that a kind of embodiment of the utility model provides；
Wherein, in Fig. 1：
Sensor 1, chip carrier 2, pressure ring 3, circuit board 4, front casing 5, rear casing 6, locking member 7.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Fig. 1 is refer to, Fig. 1 is the structural representation for the pressure transmitter that a kind of embodiment of the utility model provides
Figure.
As shown in figure 1, pressure transmitter provided by the utility model, including chip carrier 2, front casing 5, rear casing 6, sensing
Device 1, pressure ring 3, circuit board 4, sensor 1 is provided with the chip carrier 2, fastens circuit board 4 in the rear end screw of pressure ring 3
Together, the front casing 5 is enclosed on the outside of the circuit board 4, and the threaded one end of the front casing 5 is connected to the chip carrier
2 outsides, the other end of the front casing 5 is threadedly coupled with the rear casing 6, and the power line and signal wire of pressure transmitter are from institute
State rear casing 6 to pick out, and the outlet cable of the pressure transmitter is locked above the rear casing 6 by locking member 7.
Pressure transmitter provided by the utility model, simple in construction, each parts interchangeability is good, realize it is easy to assembly can
Lean on and while production efficiency is high, be greatly reduced the cost of product.
In preferable scheme, the sensor 4 is oil filling core body sensor, the pressure-sensitive diaphragm of the oil filling core body sensor
The center of face pressure port, the oil filling core body ceramic circuit postlaminar part point and oil filling core body of the oil filling core body sensor pass
The outlet of sensor is locked on the chip carrier 2 by pressure ring 3.
In preferable scheme, the circuit board 4 is pressure transmitter resistance frequency interference circuit board.
In further scheme, the circuit board 4 can include diode D1, triode Q1 and FET Q2, two poles
Pipe D1 is connected by triode Q1 with FET Q2, and the triode Q1 B end points that is connected with FET Q2 is connected by triode Q3
Meet processor MCU；The triode Q1 B end points that is connected with FET Q2 is connected with comparator U1.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (4)
- A kind of 1. pressure transmitter, it is characterised in that including chip carrier, front casing, rear casing, sensor, pressure ring, circuit board, Sensor is provided with the chip carrier, circuit board is tightened together with screw in the rear end of pressure ring, the front casing is enclosed on The outside of the circuit board, the threaded one end of the front casing are connected on the outside of the chip carrier, the other end of the front casing It is threadedly coupled with the rear casing, the power line and signal wire of pressure transmitter pick out from the rear casing, and pass through locking member The outlet cable of the pressure transmitter is locked above the rear casing.
- 2. pressure transmitter according to claim 1, it is characterised in that the sensor is oil filling core body sensor, institute State the center of the pressure-sensitive diaphragm face pressure port of oil filling core body sensor, the oil filling core body pottery of the oil filling core body sensor The outlet of porcelain circuit postlaminar part point and oil filling core body sensor is locked on the chip carrier by pressure ring.
- 3. pressure transmitter according to claim 1, it is characterised in that the circuit board is that pressure transmitter resistance frequency is dry Disturb circuit board.
- 4. pressure transmitter according to claim 1, it is characterised in that the circuit board includes diode D1, triode Q1 and FET Q2, diode D1 are connected by triode Q1 with FET Q2, and triode Q1 is connected B with FET Q2 End points passes through triode Q3 connection processors MCU；The triode Q1 B end points that is connected with FET Q2 is connected with comparator U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922084.3U CN206945178U (en) | 2017-07-27 | 2017-07-27 | A kind of pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720922084.3U CN206945178U (en) | 2017-07-27 | 2017-07-27 | A kind of pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945178U true CN206945178U (en) | 2018-01-30 |
Family
ID=61370220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720922084.3U Active CN206945178U (en) | 2017-07-27 | 2017-07-27 | A kind of pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945178U (en) |
-
2017
- 2017-07-27 CN CN201720922084.3U patent/CN206945178U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |